Relevant bibliographies by topics / Truck

Academic literature on the topic 'Truck'

Author: Grafiati
Published: 4 June 2021
Last updated: 21 February 2023

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Journal articles on the topic "Truck"

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ElMaraghy, W. H., and R. V. Dukkipati. "LATERAL STABILITY ANALYSIS OF A RAILWAY TRUCK ON ROLLER RIG." Transactions of the Canadian Society for Mechanical Engineering 21, no. 3 (September 1997): 317–26. http://dx.doi.org/10.1139/tcsme-1997-0015.

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Generic linear models were developed of a freight car (with a characteristic North American three-piece truck) on tangent track. The models were developed using the generalized multi-body dynamics software MEDYNA. Predictions were made of the theoretical linear model hunting (lateral stability) characteristics of the freight car, i.e., the critical speeds and frequencies, for five different configurations: (a) freight car on track, (b) the freight car’s front truck on the roller stand and its rear truck on track, (c) freight car on the roller rig, (d) a single truck on track and (e) single truck on the roller stand. These were compared with the Association of American Railroads’ field test data for an 80-ton hopper car equipped with A-3 ride control trucks. Agreement was reached among all the analytical models, with all models indicating a range of hunting speeds of 2% from the highest to lowest. The largest discrepancy, approximately 8%, was indicated between the models and the field test data.
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Khan, Waleed A., and Aemal J. Khattak. "Injury Severity of Truck Drivers in Crashes at Highway-Rail Grade Crossings in the United States." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 10 (June 11, 2018): 38–47. http://dx.doi.org/10.1177/0361198118781183.

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The physical and operational characteristics of large trucks distinguish them from other types of vehicles in terms of facility design needs and safety requirements. A critical node in the surface transportation network is the highway-rail grade crossing (HRGC) because it represents a conflict point between different modes of transportation. The focus of this research was to identify factors related to different injury severity levels of truck/truck-trailer drivers in crashes reported at HRGCs. This study utilized a mixed logit model to investigate injury severity of those drivers and relied on 2007–2014 Federal Railroad Administration (FRA) crash and inventory data involving trucks/truck-trailers. Results showed that truck/truck-trailer drivers’ injuries in crashes reported at HRGCs were positively associated with train speed, when train struck the road user (truck/truck-trailer), when the driver “went around crossing gates”, older drivers, crashes reported in rural areas, and crashes at crossings with a minimum crossing angle of 60–90 degrees. Presence of crossbucks, gates, track obstructions, and HRGCs located within 500 feet of a highway were associated with relatively less severe driver injuries. The paper provides recommendations for safety improvements at HRGCs and recommendations for future research.
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Kim, Jonghoek. "Truck Platoon Control Considering Heterogeneous Vehicles." Applied Sciences 10, no. 15 (July 23, 2020): 5067. http://dx.doi.org/10.3390/app10155067.

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This paper presents control algorithms enabling autonomous heterogeneous trucks to drive in platoons. Heterogeneous trucks imply that the hardware information (e.g., truck length, break, accelerator, or engine) of a truck may be distinct from that of another truck. A platoon is defined as a collection of trucks where a manually driven truck (leader truck) is followed by several automatically controlled following trucks. This paper is novel in presenting the longitudinal control of a truck platoon, as the trucks move along a curved lane as well as a straight lane. For a lateral maneuver, this paper proposes making every autonomous truck keep following the leader’s waypoints while maintaining a designated distance from its predecessor truck. This paper develops both a lateral maneuver and speed control considering a platoon of heterogeneous trucks. The efficiency of the proposed approach is verified using simulations.
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Lee, Yongki, Taewon Ahn, Chanhwa Lee, Sangjun Kim, and Kihong Park. "A Novel Path Planning Algorithm for Truck Platooning Using V2V Communication." Sensors 20, no. 24 (December 8, 2020): 7022. http://dx.doi.org/10.3390/s20247022.

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In truck platooning, the leading vehicle is driven manually, and the following vehicles run by autonomous driving, with the short inter-vehicle distance between trucks. To successfully perform platooning in various situations, each truck must maintain dynamic stability, and furthermore, the whole system must maintain string stability. Due to the short front-view range, however, the following vehicles’ path planning capabilities become significantly impaired. In addition, in platooning with articulated cargo trucks, the off-tracking phenomenon occurring on a curved road makes it hard for the following vehicle to track the trajectory of the preceding truck. In addition, without knowledge of the global coordinate system, it is difficult to correlate the local coordinate systems that each truck relies on for sensing environment and dynamic signals. In this paper, in order to solve these problems, a path planning algorithm for platooning of articulated cargo trucks has been developed. Using the Kalman filter, V2V (Vehicle-to-Vehicle) communication, and a novel update-and-conversion method, each following vehicle can accurately compute the trajectory of the leading vehicle’s front part for using it as a target path. The path planning algorithm of this paper was validated by simulations on severe driving scenarios and by tests on an actual road. The results demonstrated that the algorithm could provide lateral string stability and robustness for truck platooning.
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Mareev, Ivan, and Dirk Sauer. "Energy Consumption and Life Cycle Costs of Overhead Catenary Heavy-Duty Trucks for Long-Haul Transportation." Energies 11, no. 12 (December 9, 2018): 3446. http://dx.doi.org/10.3390/en11123446.

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The overhead catenary truck is an interesting technology for long-haul transportation with heavy-duty trucks because it can combine the advantage of energy supply via catenary while driving and the flexibility of a battery truck on routes without catenary using the traction battery. This study investigates the energy consumptions of overhead catenary trucks on German highways and considers different configurations for the traction battery and catenary power system. Afterwards the life cycle costs of overhead catenary trucks are calculated for a specified long-haul transportation scenario and the results are compared to battery electric truck and diesel truck using the findings of a previous study by the authors. The energy consumption of the considered overhead catenary trucks is approximately equal to that of a battery electric truck but only about a half of the equivalent energy consumption of a conventional diesel truck. According to the cost assumptions in this study, the total life cycle costs of overhead catenary trucks can be in the range of the conventional diesel truck, showing the competitiveness of this alternative truck technology.
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Lee, Jaeyoung, Suyi Mao, Mohamed Abdel-Aty, Yanqi Lian, Lishengsha Yue, and Ilsoo Yun. "Association between Truck Crashes due to Mechanical Failure and Truck Age." Journal of Advanced Transportation 2021 (April 14, 2021): 1–7. http://dx.doi.org/10.1155/2021/8857458.

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There have been efforts to restrict older trucks in many jurisdictions all over the world. The primary goal of the restrictions is to minimize greenhouse gas emissions. In addition to the environmental benefits, it is also possible that the truck age restriction could contribute to the enhancement of traffic safety. Older trucks are subject to longer travel-miles than newer trucks and tend to have higher mechanical failure rates. Extremely few studies have been done to explore the impact of trucks’ age on their crash occurrence due to mechanical problems. This study aims to investigate the association between the truck crashes due to mechanical issues and the truck age. Two approaches are adopted to achieve the objective. First, a chi-square test reveals that the proportions of the mechanical failures among older trucks are higher than those among newer ones ( χ 2 = 256.199, p < 0.0001 ). Second, the modeling results indicate that the number of truck crashes due to mechanical failures is significantly increased by the truck age. The findings suggest that policies restricting older trucks should consider not only environmental effects but also traffic safety benefits.
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Abdelkareem, Mohamed AA, Mina MS Kaldas, Mohamed Kamal Ahmed Ali, and Lin Xu. "Analysis of the energy harvesting potential–based suspension for truck semi-trailer." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 11 (November 17, 2018): 2955–69. http://dx.doi.org/10.1177/0954407018812276.

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As the articulated trucks are mainly used for long distance transportations, the design of the suspension system became a major concern and a research hotspot not only for ride comfort and driving safety but also for energy consumption. Therefore, the objective of this study is to conduct a comprehensive parametrical–based conflict analysis between the ride comfort and road holding together with the potential power of the shock absorbers. The simulation analysis is performed using a 23 degree-of-freedom full truck semi-trailer mathematical model with random road surface model. The bounce and combined excitation modes for the truck model are applied to present the pro and contra of the simplified and realistic analysis. The bounce mode is applied for a road Class C and truck driving speed of 20 m/s, while the combined mode is performed with the same truck-speed but considering a Class C road for the left track and Class D road for the right track considering the time delay between the truck axles. The truck dynamics including the mean potential power, average dynamic tire load and bounce, and pitch and roll accelerations is comprehensively combined in the conflict analysis–based suspension and driving parameters. The obtained simulation results showed that the articulated truck suspension should be designed considering a realistic excitation condition. In contrast to the bounce mode, under the combined road input, the tractor ride quality and road handling performances are improved when a heavily damped suspension is considered. Furthermore, the otherwise dissipated energy through the damping events can reach an overall value between 2 and 4 kW.
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Zhang, Zexi. "The Truck Platooning Routing Optimization Model Based on Multicommodity Network Flow Theory." Journal of Advanced Transportation 2023 (January 7, 2023): 1–12. http://dx.doi.org/10.1155/2023/6906655.

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Truck platooning has been identified as an emerging and promising operational technology with the advantages of fuel consumption savings and carbon emissions reductions. We formulate the truck platooning routing optimization problem as a multi-commodity network flow problem from a transportation optimization and scheduling perspective. Based on fuel consumption savings generated through the reduction of aerodynamic drag by the formation of truck platooning, the route of each truck is also set to be a decision variable needing settlement to facilitate the formation of truck platooning to maximize fuel consumption savings. Considering fuel consumption and detour costs, we construct a truck platooning routing optimization model with minimum overall system fuel consumption as the optimization objective. The output of the routing optimization model could both reflect the composition of each truck platooning on each link and directly show the routings of each truck. To explore the impact of the restrictions on the number of trucks in truck platooning on overall fuel consumption savings, road networks are constructed and the truck platooning routing optimization model is solved by the commercial solver CPLEX. Compared to individual trucks, 8% or 12% fuel consumption savings are achieved, respectively, with the number of trucks being restricted or not restricted in truck platooning. Considering the different fuel reduction rates of the following trucks in platooning on the system performance in terms of the total fuel cost, a sensitivity analysis is also conducted. The results also show that the ideal truck platooning routing plan can be obtained by the proposed model, and the study provides a theoretical reference for the promotion and application of truck platooning.
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Wang, Z. X., Felix T.S. Chan, S. H. Chung, and Ben Niu. "A decision support method for internal truck employment." Industrial Management & Data Systems 114, no. 9 (October 7, 2014): 1378–95. http://dx.doi.org/10.1108/imds-07-2014-0215.

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Purpose – The purpose of this paper is to propose a model that determines the strategy of owning and renting trucks in combinations with internal truck scheduling and storage allocation problems in container terminals. Design/methodology/approach – To deal with this complicated problem, a two-level heuristic approach is developed, in which the integration problem is decomposed into two levels. The first level determines the daily operations of the internal trucks, while the second level determines the truck employment strategy based on the calculation in the first level. Findings – The results show that: even if the using cost of owned yard trucks is much lower than the cost of rented yard tucks, terminal companies should not purchase too many trucks when the purchasing price is high. In addition, the empirical truck employment strategies, which are purchasing all the trucks or renting all the trucks, are not cost-effective when compared with the proposed yard truck employment strategy. Originality/value – The paper provides a novel insight for the internal truck employment strategy in container terminals which is the determination of the strategy of employing renting and outsourcing yard trucks to meet operational daily transportation requirements and minimize the long-term cost of employing yard trucks. A mathematical model is proposed to deal with the practical problem. Also, this study presents better solution than empirical method for employing different types of yard truck. Thus, in order to obtain more benefit, terminal companies should employ the proposed yard truck employment strategy.
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Zhong, Ji Wei, Kun Quan Huang, and Xing Xin Li. "Proposed Standard Fatigue Truck in Montane Speedway of Southwest China." Applied Mechanics and Materials 90-93 (September 2011): 1239–44. http://dx.doi.org/10.4028/www.scientific.net/amm.90-93.1239.

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The fatigue truck model is an important parameter in a fatigue evaluation, a 3-axle fatigue truck model was developed based on the weigh-in-motion traffic data and an analytical bridge model in the montane highway of Southwest China. The truck traffic data shows that the fatigue damage was dominated by the 6-axles trucks,a 3-axle fatigue truck model was developed based on the 6-axle truck statistic data,the damage accumulations caused by the Proposed fatigue truck righty meet the actual damage accumulations. Based on the cumulative probabilitie of the moment ranges, the peak stress range is suggested to be a stress level at 3 times of the effective stress range because of overload,however,the ratio of the effective stress in AASHTO was 2 times.The damage accumulations obtained from the simulation of the truck database were compared with BS5400,AASHTO and Proposed fatigue truck, Proposed fatigue truck and AASHTO fatigue truck with the actural daily flow of trucks are suggested in the montane speedway of Southwest China ,BS5400 is impropriety which relatively overestimate the damage.
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Dissertations / Theses on the topic "Truck"

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Srivastava, Rajesh. "Algorithms for solving the location - routing problem." Connect to resource, 1986. http://rave.ohiolink.edu/etdc/view.cgi?acc%5Fnum=osu1262289394.

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Arias, Paredes Carmen Rosa María, Flores Yadira Casafranca, Gonzales Angela María Farfán, Tello Liz Maritza Palacin, and Flores Renzo Dennis Rodríguez. "Alma Truck." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/654864.

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Este proyecto, nace con la finalidad de cubrir la demanda insatisfecha que hoy en día existe en el mercado de salones de belleza por la búsqueda de una atención personalizada y sin demoras; siendo el tiempo uno de los recursos más valorados para la elección de este servicio. En el presente trabajo, hemos desarrollado un plan de negocios que presenta un concepto innovador de Salón de Belleza Móvil “Alma Truck”, siendo el objetivo dar a conocer el desarrollo del plan, análisis del mismo y evaluar su rentabilidad. Alma Truck aprovechará el incremento en el uso de las tecnologías, siendo una de las herramientas claves para darse a conocer y promocionar, asimismo el manejo de reservas, seguimiento y fidelización, lo que conllevará al ahorro de tiempo y alcanzar confianza y seguridad en nuestros futuros clientes. Será una propuesta nueva, cómoda, agradable y a su vez rentable, presentaremos los márgenes e indicadores que demuestren su sostenibilidad y la gran posibilidad de éxito de la inversión.
This project was born with the purpose of covering the unsatisfied demand that exists today in the beauty salon market for the search for personalized attention and without delay; being time one of the most valued resources for choosing this service. In this work, we have developed a business plan that presents an innovative concept of Mobile Beauty Salon "Alma Truck", the objective being to publicize the development of the plan, its analysis and evaluate its profitability. Alma Truck will take advantage of the increase in the use of technologies, being one of the key tools to become known and promote, as well as the management of reservations, follow-up and loyalty, which will lead to saving time and achieving confidence and security in our futures customers. It will be a new, comfortable, pleasant and profitable proposal, we will present the margins and indicators that demonstrate its sustainability and the great possibility of investment success.
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Gutierrez, Casaverde Ana Isabel, Chávez Luis Enrique Ramírez, Vilogrón Shirley Kay Shibata, Gamarra Jhossellin Guiliana Valenzuela, and Raya José Andrés Vásquez. "Barber Truck." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/653206.

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El objetivo del proyecto es implementar un Barber truck, a través del cual se satisfaga de manera distinta el creciente mercado de la belleza y cosmética masculina. Si bien, el rubro de la barbería es competitivo, los competidores prestan servicios que no difieren mucho entre sí. Por ello, el proyecto busca implementar una barbería rodante de nivel superior, donde la principal tarea será trabajar al detalle con cada cliente. El servicio de barbería móvil “Barber Truck Lima” está enfocado al público masculino entre los 18 y 39 años de los distritos de Independencia, Los Olivos y San Martín de Porres, en los sectores socioeconómicos A, B y C. Teniendo en cuenta la necesidad encontrada, el servicio de una barbería móvil pretende ser una ayuda para aquellos caballeros que cuidan su imagen personal y desean organizar mejor su tiempo en relación con el servicio de corte de cabello y barbería. Por ello, nos enfocamos en brindar un servicio ajustado a las necesidades del hombre moderno sin perder de vista los cuidados y atenciones que pueden encontrarse en las barberías tradicionales.
The objective of the project is to implement a Barber truck, in which it is hoped to satisfy in a different way the growing market for men's beauty and cosmetics. Although this market is growing in general, the competitors can be standardized in their presentation and services and do not differ much from each other. The project seeks the implementation of a higher level rolling barbershop, where the main task will be to work on every detail. The mobile barber service "Barber Truck Lima" is focused on the male public between 18 and 39 years old who live or frequent the districts of Independencia, Los Olivos and San Martín de Porres in socioeconomic sectors A, B and C. Taking into account the need to find the service of a mobile barber shop seeks to be an aid to those gentlemen who are constantly taking care of their personal image and who want to better organize their time in relation to the haircutting and barber service they access. Provide a service that meets the needs of modern man without losing sight of all the care and attention that can be found in traditional barbershops.
Trabajo de investigación
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Kamali, Mohammadreza. "Development of Truck Route Choice Data Using Truck GPS." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5968.

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Over the past few decades, the value and weight of freight shipments have grown steadily in both developed and developing countries. A recent statistic in the U.S. reveals that weight of shipments increased from 18,879 to 19,662 million tons between 2007 and 2012 (1). It is also expected that this amount will increase to 28,520 million tons by 2040 (1). It is worth mentioning that 67 percent of shipments are shipped by truck mode in 2012. The monetary value of freight is expected to escalate even faster than weight. This value is estimated to rise from US$ 882 per ton in 2007 to US$ 1,377 per ton in 2040. As a result, freight transportation management and modeling has aroused the interest of both public sector and groups of firms to improve the efficiency of the business operations. Traffic assignment plays a central role in the current freight modeling, and freight route analysis is of fundamental importance in understanding the truck flows explicitly. In the first part of this thesis, large streams of truck-GPS data from the American Transportation Research Institute (ATRI) are cleaned, processed, and analyzed using easy to implement and practical procedures to study the diversity of observed truck routes between a given origin-destination (OD) pair. This is because, for any given OD pair, the analyst could observe and compare the route choices of a large number of trips, as opposed to observing only one or a few trips. Doing so helps in quantifying the number of different routes taken by trucks between an OD pair and paves the way for a systematic analysis of the “diversity” in route choices between any OD pair. This thesis develops methods to measure the diversity of routes between a given OD pair and identifies unique routes used between the given OD pair. From a practical standpoint, such analysis of the diversity in observed route choices helps in improving the existing route choice set generation algorithms. In the second part of the thesis, the methodologies developed in the first part are implemented in an FDOT sponsored project entitled “GPS Data for Truck-Route Choice Analysis of Port Everglades Petroleum Commodity Flows”. This project aims to use truck-GPS data from ATRI to derive petroleum tanker trucks’ travel path (or route) information, describing the routes that the tanker trucks take to travel from Port Everglades to their final delivery points.
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Hawk, Zachary. "Gourmet Food Trucks: An Ethnographic Examination of Orlando's Food Truck Scene." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5943.

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Gourmet food trucks have emerged as increasingly popular dining alternatives for consumers in today's urban landscape. Existing literature, as well as my own ethnographic research within Orlando, Florida's mobile food vending scene, reveals that food truck owner/operators utilize various strategies to establish a viable niche for themselves in this diversified and burgeoning market. Among other things, these strategies include online social networking, creating and maintaining a recognizable brand identity, collaborating with local retailers and bar owners, and incorporating organic and locally produced ingredients in their dishes whenever possible. As in other parts of the country, there appears to be a growing concern in greater Orlando about local diets and the profound and subtle messages it conveys about contemporary eating habits. I contend that dining at gourmet food trucks represents a legitimate declaration of consumer identity about individual beliefs and values. In my thesis, I examine how Orlando's gourmet food trucks offer consumers a greater selection of food options and allow locals to participate in a viable social network and community.
M.A.
Masters
Anthropology
Sciences
Anthropology
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Guzda, Mark Richard. "Development of site-specific fatigue truck weights and truck volume." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 1.18 Mb., p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:1435844.

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Hurtado, Olea Arturo. "Food Truck Itacate." Tesis, Universidad de Chile, 2014. http://www.repositorio.uchile.cl/handle/2250/130470.

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Tesis para optar al grado de Magíster en Administración
Autor no autoriza el acceso a texto completo de su documento
A pesar de la entrada en vigor de la ley anti alcohol, la industria restaurantera tuvo un crecimiento del 15% en 2012 ya que el aumento del consumo de alimentos contrarrestó la disminución en el consumo de bebidas alcohólicas (-30%). Para 2013 se estima un valor de mercado de la industria de la comida rápida de USD 988 millones. Representando un crecimiento en ventas en 2013 del 9% respecto a 2012 (7.5%) de acuerdo a lo informado por la Cámara Nacional de Comercio Servicios y Turismo de Chile. Abriéndose 42 locales en promedio mensualmente. La zona de Las Condes ha tenido un crecimiento sostenido debido a la expansión de la línea 1 del metro. Entre 2013 y 2014 la oferta de oficinas en Santiago crecerá en 400 mil metros cuadrados. El sector de Nueva Las Condes, formado por el triángulo entre las calles Av. Alonso de Córdoba, Av. Manquehue Norte y Av. Presidente Riesgo, atrae la circulación de 30mil personas al día debido a las 20 torres de oficinas con las que cuenta. El propósito de este proyecto es crear un plan estratégico para implementar un servicio de comida estilo mexicano en un camión “Food Truck” bajo el nombre de ITACATE. Esta palabra tiene su origen en la palabra del náhuatl ITACATL que significa mochila. Por eso los mexicanos usan el término para denominar a la comida para llevar. La principal diferenciación será el foco en una atención rápida y de calidad resaltando el sabor y aroma de la comida a través de la experiencia de comer en la calle. La idea inicial es ubicar el camión en la comuna de Las Condes en los alrededores del parque Araucano. Los clientes podrán escoger de un menú limitado pero flexible para adaptarse a los cambios en la estación o ubicación. Este tipo de negocio se considera una excelente oportunidad ubicándose en una zona de gran tránsito de personas en los días laborales ofreciendo un concepto diferente. El precio se fija con base en el promedio de restaurantes de comida rápida y Food Trucks existentes. Se aceptará la forma de pago de vales o tarjeta de restaurante. En primera instancia el púbico objetivo son los trabajadores del sector. La inversión inicial es de CLP 44 millones que contempla la compra del camión de comida y el flujo para mantenerse en operación por los primeros 6 meses de actividades. El valor presente del proyecto a 10 años es de CLP 4 millones asumiendo perpetuidad del valor residual, con una Tasa interna de retorno (TIR) del 18% y una tasa de descuento del 20%. Este proyecto se basa en el supuesto de obtener el permiso de la municipalidad las Condes. En caso de no obtenerlo se evaluarán las comunas de Vitacura, Providencia y Lo Barnechea. De obtener la negativa del permiso en estas comunas el inicio de actividades se postergaría hasta la obtención de este, por lo que no se incurrirá en la inversión inicial hasta cumplir con el requisito. A pesar de las restricciones legislativas actuales para la implementación del proyecto hay indicios de una apertura del mercado chileno para los Food Truck. Del 25 al 27 de julio de 2014 la comuna de Providencia abrió sus puertas en el parque Bustamente organizando un festival gastronómico de Food Trucks denominado “Entre Ruedas 2014”. Más de 22 emprendimientos sobre ruedas se dieron lugar para tres días de comida, música y cultura. La alcaldesa de Providencia, Josefa Errázuriz, inauguró el festival dirigiendo un discurso a los asistentes “Para la municipalidad de Providencia esta feria es un gran logro porque ejemplifica la innovación y el empuje de decenas de microempresarios y microempresarias que hacen para sacar adelante sus ideas. En el caso de los emprendimientos móviles han golpeado puertas en otros municipios y organismos públicos y simplemente han obtenido la respuesta, la legislación o la normativa vigente no es posible. Nosotros pudimos haber respondido lo mismo sin embargo si alguien se atreve a emprender alguien le debe tender la mano. En Providencia nos interesa apoyar a nuestros emprendedores y emprendedoras”
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Mendoza, Chumacero Zulema Jasmin, Andahua Jordan Cris Moreno, Abad Paula Isabel Torres, and Valerio Diana Liz Vasquez. "Pacha's Fashion Truck." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652857.

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Pacha’s Fashion Truck, es un emprendimiento basado en la creación de una boutique móvil, la cual estará orientada a la venta de ropa femenina y al ser un vehículo tendrá la facilidad de movilizarse a diferentes lugares de Lima y llegar a los clientes con mayor. La idea de negocio surge a partir del malestar de muchas mujeres, quienes demoran horas buscando exclusividad y calidad, por lo cual la empresa busca aliviar este malestar y generar un ahorro de tiempo al momento de comprar ropa y ofrecer diseños nacionales y exclusivos. A diferencia de las tiendas convencionales de ropa, Pacha’s Fashion Truck acercará a los clientes variedad de prendas nacionales con diseños únicos y elaborados por emprendedores peruanos, esto debido a que estará ubicado en diferentes ferias o eventos. Asimismo, las redes sociales será el principal medio para tener contacto con los clientes de manera constante y mantenerlos informado sobre la ubicación de la boutique móvil. La empresa tendrá como principales proveedores a diferentes diseñadores independientes, quienes van a proveer las prendas para la venta, esto con el objetivo de incentivar a los emprendedores peruanos y a la compra de productos nacionales. La inversión inicial que se requiere para poder ejecutar el emprendimiento es de S/ 73,620. Asimismo, se evaluaron los escenarios base, pesimista y optimista para conocer y analizar la viabilidad del proyecto y en los tres escenarios el resultado del TIR superó al COK, lo cual nos permite concluir que el proyecto es viable en el tiempo.
Pacha's Fashion Truck is a venture based on the creation of a mobile boutique, which will be oriented to the sale of women's clothing and being a vehicle will have the facility to move to different parts of Lima and reach customers with greater. The business idea arises from the discomfort of many women, who take hours looking for exclusivity and quality, so the company seeks to alleviate this discomfort and generate a time savings when buying clothes and offer national and exclusive designs. Unlike conventional clothing stores, Pacha's Fashion Truck will bring customers a variety of national garments with unique designs and made by Peruvian entrepreneurs, this because it will be located at different fairs or events. Also, social networks will be the main means to have constant contact with customers and keep them informed about the location of the mobile boutique. The company will have as its main suppliers different independent designers, who will provide the garments for sale, this with the aim of encouraging Peruvian entrepreneurs and the purchase of national products. The initial investment required to execute the project is S/ 73,620. Likewise, the base, pessimistic and optimistic scenarios were evaluated to know and analyze the viability of the project and in the three scenarios the IRR result exceeded the COK, which allows us to conclude that the project is viable in time.
Trabajo de investigación
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Maran, Juliano. "Study of truck allocation and truck dispatching problems in open pit mines." Thesis, Virginia Tech, 1987. http://hdl.handle.net/10919/45807.

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In recent years, fierce competition, rising production costs and depressed prices for mineral products, have forced mining companies to find ways to improve efficiency and lower production costs. Given the fact that loading and hauling operations account for up to 60 % of the total costs in surface mining, the optimization and control of these operations can provide substantial reductions in the costs.

Assignment of truck to shovels has been traditionally performed by fixed truck allocation and by truck dispatching. Several operations research and simulation techniques, which can be used to solve problems concerning surface mining operations, are discussed. The types of problems addressed are: how to allocate trucks to loading equipment, how to evaluate the performance of an existing operation, and how to predict the performance of a future system.

For truck allocation, operations research methods such as: dynamic programming, integer programming, and heuristic algorithms are discussed. These methods are used mainly for decision making purposes. Queuing theory techniques, also analyzed, are used mainly for evaluation purposes.


Master of Science
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Khorashadi, Ahmad. "Analysis of driver injury severity : logit models of truck involvement/truck causation /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://uclibs.org/PID/11984.

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Books on the topic "Truck"

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Truck trouble. New York: DK Pub., 2013.

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Royston, Angela. Truck trouble. New York, N.Y: DK Pub., 1998.

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Iverson, Gregory. Tyler's big blue truck. DeForest, WI: Sandbox Books, 2006.

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ill, Ulrich George, ed. Truck driver. Mahwah, N.J: Troll Associates, 1989.

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Riley, J. D. Axel the truck: Speed track. New York, NY: Greenwillow Books, 2018.

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Johnston, Scott D. Monster truck racing. Minneapolis: Capstone Press, 1994.

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Radford, Derek. Bernie drives a truck. London: Walker Books for Sainsbury, 1992.

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Thomas, William David. Truck driver. Pleasantville, NY: Gareth Stevens Pub., 2008.

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Off-road truck racing. Mankato, Minn: Capstone High/Low Books, 1999.

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Truck. London: Dorling Kindersley, 2013.

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Book chapters on the topic "Truck"

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Itzin, Catherine. "Hull Truck." In Stages in the Revolution, 129–34. London: Routledge, 2021. http://dx.doi.org/10.4324/9781003194255-17.

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Jiang, Wei, Wei Wang, Zhichao Song, Changqing Jiang, Chenglong Zhang, and Yijian Yuan. "Equivalent Standard Axle Load Analysis Considering Dynamic Load Based on Vehicle Axle-Tire Vertical Acceleration Field Testing." In Advances in Frontier Research on Engineering Structures, 325–35. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8657-4_29.

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AbstractIn order to examine equivalent axles load with dynamic load taken into account, pavement roughness test is carried out with a Vehicle Axle-tire Dynamic Load Tester, where axle-tire vertical acceleration of heavy trucks and light trucks are tested, respectively. Dynamic load is considered as a series of static loads following a normal distribution, and equivalent axles load is calculated according the Asphalt Pavement Design Specification. The results show that equivalent axles load time increase accordingly based on highway class. when tensile strain at bottom of surface is taken as design index, on high class highway equivalent standard load increases 8.3–14.9% for heavy truck, 3.6–5.4% for light truck; on low class highway, it increases 6.8–17.3% for heavy truck, 3.2–12.5% for light truck; when tensile stress at the bottom of semi-rigid base is taken as checking index. On a high class highway, it increases 34.2–64.9% for a heavy truck, 14.2–21.8% for a light truck; on a low class highway, it increases 27.5–77.1% for a heavy truck, 12.6–53.2% for a light truck. These research findings provide in-depth understanding regarding vehicle axle load conversion in dynamic load environment.
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Schulte, Frederik, Rosa G. González, and Stefan Voß. "Reducing Port-Related Truck Emissions: Coordinated Truck Appointments to Reduce Empty Truck Trips." In Lecture Notes in Computer Science, 495–509. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-24264-4_34.

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Kospach, Alexander. "Truck Platoon Slipstream Effects Assessment." In Energy-Efficient and Semi-automated Truck Platooning, 57–68. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-88682-0_5.

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AbstractWith the increase of stringent emission standards and higher road transportation cycles in the last few decades, the importance of transport and fuel efficiency plays a major role. The aerodynamic forces on trucks have a huge impact of the overall fuel consumption rate. For a 40 tonnes semi-trailer truck at 85 km/h on a flat highway, around 40% of the provided engine power is needed to overcome the air resistance (Hucho in Aerodynamik des Automobils. Vieweg + Teubner, Wiesbaden, [1]). An efficient way to reduce the aerodynamic drag of trucks is to build a platoon of trucks. To assess the potential of a truck platoon due to slipstream effect, computational fluid dynamic (CFD) simulations were conducted. The simulations were performed for a platoon with three trucks for different constant velocities at different inter-vehicle distances. The results are summarised in a normalised drag coefficient and fuel reduction map. As a limiting factor of platooning, the thermal management aspect must be considered, because the slipstream reduces the air mass flow through the engine compartment. This aspect of reduced air mass flow through the engine compartment was analysed as well.
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Poorsartep, Mohammad, and Thomas Stephens. "Truck Automation Opportunities." In Road Vehicle Automation 2, 173–85. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19078-5_15.

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Switkes, Joshua P., and Steve Boyd. "Connected Truck Automation." In Road Vehicle Automation 3, 195–200. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40503-2_15.

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Maolin, Feng, and Xu Kuangdi. "Underground Dump Truck." In The ECPH Encyclopedia of Mining and Metallurgy, 1–2. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0740-1_257-1.

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Turri, Valerio, Jonas Mårtensson, and Karl H. Johansson. "Automated Truck Driving." In Encyclopedia of Systems and Control, 106–15. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-44184-5_100117.

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Arnott, Eric J. "The pink truck." In A New Beginning in Sight, 260–65. London: CRC Press, 2022. http://dx.doi.org/10.1201/9780367813871-44.

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Turri, Valerio, Jonas Mårtensson, and Karl H. Johansson. "Automated Truck Driving." In Encyclopedia of Systems and Control, 1–10. London: Springer London, 2021. http://dx.doi.org/10.1007/978-1-4471-5102-9_100117-1.

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Conference papers on the topic "Truck"

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Janiszewski, John A., Steven M. Chrismer, and John B. Pearson. "Investigation and Analysis of Structural Cracking in Transit Car Trucks." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/rtd-25700.

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Abstract This paper describes an investigation into the causes of cracking of transit car truck side frames on the PATCO system. The investigation included inspection of the PATCO fleet, laboratory examination of a sample from a failed truck, field-testing of an instrumented truck, measurement of residual stresses in the truck, and engineering analysis of the resulting data. It was concluded that the observed cracks were slowly propagating due to fatigue from low-level stresses induced by lateral and vertical loading from routine curving forces and other vehicle-track interactions. The side frames with fatigue cracks can be repaired by welding without the need for postweld stress relief and the lifetime of those that do not have cracks at present can be extended by preventive measures. The combination of preventive measures and repairs should enable the trucks to serve for the balance of the PATCO fleet lifetime without the need to purchase replacement trucks. Continued surveillance of the trucks in the area of concern will be necessary.
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Smith, Roy E., Robert W. Blank, and Stephen S. Woody. "Findings From Wayside Measurements of Steered and Unsteered Freight Car Trucks in Coal Service." In ASME/IEEE 2007 Joint Rail Conference and Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/jrc/ice2007-40070.

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Prototype versions of the RESCO Steered Frame Truck were operated through a section of revenue track at Louden, TN, which has been outfitted as a wayside measurement site. The site contains several different measurement stations, which record lateral forces, angles-of-attack, etc. The site routinely measures revenue trains passing along that section of track. A test car, fully loaded to 286,000 lbs and fitted with the steered trucks, was operated through the test site a substantial number of times. The results from this testing were compared with data from standard 3-piece trucks and also from premium M-976 trucks, both in revenue service trains, from the same test site. It was found that neither the premium trucks, nor the standard 3-piece trucks, showed any significant steering through the ∼5° curves at the test site. The premium trucks did show a tendency to be more ‘square’ in the curves, although there were still substantial numbers that showed significant ‘warping’ behaviour. By comparison, the steered trucks showed virtually perfect steering and alignment behaviour. This was impressive in itself but was more so when it was found, after the test was concluded, that an interference between the truck and a bracket on the car body had prevented full rotation of the steered truck throughout these tests.
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Orr, Larry W. "Truck Pavement Factors - The Truck Manufacturer's Viewpoint." In SAE International Truck and Bus Meeting and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/881842.

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Sweatman, P. F. "Truck Size And Weight Issues Influencing Truck Design." In 22nd FISITA Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/885143.

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Engle, Thomas H. "Design Outline for a Lightweight Inside Frame Freight Car Truck." In ASME 2011 Rail Transportation Division Fall Technical Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/rtdf2011-67029.

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Inside frame trucks were historically unacceptable on freight cars, because of bearing maintenance problems which the modern roller bearing eliminated. This paper is a design study showing the potential advantages of a modern inside frame truck particularly in improvements in reducing weight and maintenance requirements, and was inspired by a short wheelbase inside bearing four wheel truck that the auhor designed to replace the original single axle trucks on an updated version of the Iron Highway articulated integral train. The new truck had to be interchangeable with the original without frame or car structure: a four wheel truck in a two wheel space! The design was completed, operation simulated, and a truck built, but the development stopped, for economic reasons, prior to equipping a demonstration train. This effort, though, suggested that an AAR compatible version of that truck might be advantageous, and this paper outlines how and why such a truck might be built. The paper is divided into six sections: 1) Background in the Iron Highway; 2) Requirement dictating conversion to a 4 wheel truck; 3) Design of a 286,000lb. GRL North American freight truck; 4) Maintenance considerations; 5) Economic Considerations; and 6) an Annex describing testing by the Pennsylvania Railroad of Timken inside frame roller bearing trucks 80 years ago.
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Weyer, Rob. "Truck Electronic Packaging." In International Truck & Bus Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1995. http://dx.doi.org/10.4271/952628.

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Stratton, Ralph, and David Rowe. "The Virtual Truck." In International Truck & Bus Meeting & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2001. http://dx.doi.org/10.4271/2001-01-2800.

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Mapelli, Ferdinando Luigi, Davide Tarsitano, Davide Annese, Nicola Pirri, and Emanuele Zorzi. "Study of a Concrete Mixer Hybrid Truck." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62955.

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Decrease of availability of fossil fuels and environment issues, push research towards the development of high efficiency power trains for vehicles that transport people, goods and mobile operating machines, like the concrete mixer trucks considered in this paper. Conventional concrete mixer trucks use diesel engine to move the truck and a hydraulic system which keep spinning the concrete drum. A hybrid powertrain based on battery-powered electrical drives can replace the conventional hydraulic system assuring an efficiency improvement. Furthermore, thanks to the reversibility of the electrical drives, it is possible to recover kinetic energy during the braking phases of the truck. Aim of this paper is to study and develop a hybrid powertrain for the concrete mixer drum. The study is based on a full energetic model of the vehicle developed for sizing the components and designing the control strategies. A model of the conventional hydraulic mixer truck has also been proposed in order to evaluate the benefit introduced by the proposed hybrid system. Simulation models have been validated comparing experimental data collected on a conventional mixer truck in different operating conditions.
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Greenbaum, Joseph J., and Michael A. Kluger. "Aerodynamic and Mechanical Drag Characteristics of Light Trucks and Truck-Trailer Combinations." In International Truck & Bus Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1993. http://dx.doi.org/10.4271/932976.

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Ustrzycki, Tyler, Christy Fernando, Michael Ligori, and Nisha Papneja. "Inflatable Truck Roof Deicing System." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-10242.

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Every winter, ice debris from the trailer’s of transport trucks cause significant problems on northern highways. This issue can cause a wide variety of damages ranging from broken windows to passenger injuries. This paper proposes a safe and durable design for an inflatable truck roof deicing system. The system is comprised of a rubber bladder secured to the roof of the trailer and fail-safe electrical system. The approach taken seeks to eliminate the accumulation of ice and snow on the roofs of trailers that could cause serious harm to surrounding vehicles. The rubber bladder is designed to be inflated with an on-board compression system while the vehicle is at rest, dislodging all ice on the surface of the trailer and then deflating the bladder before the truck is set in motion. This design seeks to take into account all aspects of the above mentioned problem to create a solution that is not only technically feasible but also safe, reliable and cost effective. Accompanying this design is a full needs assessment complete with scale model testing and safety report. Implementation of a safe, reliable truck roof deicing system on transport trucks a huge step to making our roads a safer place.
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Reports on the topic "Truck"

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Shaver, Greg, and Miles Droege. Develop and Deploy a Safe Truck Platoon Testing Protocol for the Purdue ARPA-E Project in Indiana. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317314.

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Hilly terrain poses challenges to truck platoons using fixed set speed cruise control. Driving the front truck efficiently on hilly terrain improves both trucks fuel economies and improves gap maintenance between the trucks. An experimentally-validated simulation model was used to show fuel savings for the platoon of 12.3% when the front truck uses long horizon predictive cruise control (LH-PCC), 8.7% when the front truck uses flexible set speed cruise control, and only 1.2% when the front truck uses fixed set speed cruise control. Purdue, Peloton, and Cummins have jointly configured two Peterbilt 579 trucks for relevant combinations of: (1) coordinated shifting, (2) constant or variable platoon gap controls, (3) flexible or constant speed setpoint cruise control of the front trucks, and (4) long-horizon predictive cruise control (LHPCC) of the front truck. Confirmation of this functionality during platooning was demonstrated at the Continental Test track in Uvalde, Texas. In Indiana, on-road experiments were limited to single truck operation with long-horizon predictive cruise control, flexible set speed cruise control, and constant setpoint cruise control. Data from all of the above was used to improve the fidelity of simulations used to arrive at the fuel savings and gap control findings for hilly terrain per what is summarized in the findings section. Additionally, in early summer 2020, Purdue submitted to, and received improvement from, INDOT for a safe truck platoon testing protocol (located in this report’s appendix), which could not be implemented in Indiana before the end of the project because of COVID-19. Presentations of the subject matter at COMVEC, MAASTO, Purdue Road School, and the Work Truck Show are listed in the appendix.
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Al-Qadi, Imad, Egemen Okte, Aravind Ramakrishnan, Qingwen Zhou, and Watheq Sayeh. Truck Platooning on Flexible Pavements in Illinois. Illinois Center for Transportation, May 2021. http://dx.doi.org/10.36501/0197-9191/21-010.

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Truck platoons have many benefits over traditional truck mobility. Truck platoons have the potential to improve safety and reduce fuel consumption between 5% and 15%, based on platoon configuration. In Illinois, trucks carry more than 50% of freight tonnage and constitute 25% of the traffic on interstates. Therefore, expected fuel savings would be significant for trucks. Deployment of truck platoons within interstate highways may have a direct effect on flexible pavement performance, as the time between consecutive axle loads (i.e., resting time) is expected to decrease significantly. Moreover, platoons could potentially accelerate pavement damage accumulation due to trucks’ channelized position, decreasing pavement service life and increasing maintenance and rehabilitation costs. The main objective of this project was to quantify the effects of truck platoons on pavements and to provide guidelines to control corresponding potential pavement damage. Finite-element models were utilized to quantify the impact of rest period on pavement damage. Recovered and accumulated strains were predicted by fitting exponential functions to the calculated strain profiles. The results suggested that strain accumulation was negligible at a truck spacing greater that 10 ft. A new methodology to control pavement damage due to truck platoons was introduced. The method optimizes trucks’ lateral positions on the pavements, and an increase in pavement service life could be achieved if all platoons follow this optimization method. Life cycle assessment and life cycle cost analysis were conducted for fully autonomous, human-driven, and mixed-traffic regimes. For example, for an analysis period of 45 years, channelized truck platoons could save life cycle costs and environmental impacts by 28% and 21% compared with human-driven trucks, respectively. Furthermore, optimum truck platoon configuration could reduce life cycle costs and environmental impacts by 48% and 36%, respectively, compared with human-driven trucks. In contrast, channelized traffic could increase pavement roughness, increasing fuel consumption by 15%, even though platooning vehicles still benefit from reduction in air drag forces. Given that truck platoons are expected to be connected only in the first phase, no actions are required by the agency. However, in the second phase when truck platoons are also expected to be autonomous, a protocol for driving trends should be established per the recommendation of this study.
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Batra, Romesh C. Computations for Truck Sliding with TRUCK 3.1 Code. Fort Belvoir, VA: Defense Technical Information Center, August 1989. http://dx.doi.org/10.21236/ada212270.

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Larry Slone and Jeffery Birkel. Truck Essential Power Systems Efficiency Improvements for Medium-Duty Trucks. Office of Scientific and Technical Information (OSTI), December 2007. http://dx.doi.org/10.2172/939575.

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Larry Slone and Jeffrey Birkel. Truck Essential Power Systems Efficiency Improvements for Medium-Duty Trucks. Office of Scientific and Technical Information (OSTI), December 2007. http://dx.doi.org/10.2172/940168.

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Meidani, Hadi, and Amir Kazemi. Data-Driven Computational Fluid Dynamics Model for Predicting Drag Forces on Truck Platoons. Illinois Center for Transportation, November 2021. http://dx.doi.org/10.36501/0197-9191/21-036.

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Fuel-consumption reduction in the truck industry is significantly beneficial to both energy economy and the environment. Although estimation of drag forces is required to quantify fuel consumption of trucks, computational fluid dynamics (CFD) to meet this need is expensive. Data-driven surrogate models are developed to mitigate this concern and are promising for capturing the dynamics of large systems such as truck platoons. In this work, we aim to develop a surrogate-based fluid dynamics model that can be used to optimize the configuration of trucks in a robust way, considering various uncertainties such as random truck geometries, variable truck speed, random wind direction, and wind magnitude. Once trained, such a surrogate-based model can be readily employed for platoon-routing problems or the study of pavement performance.
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Skone, Timothy J. Bale Truck, Transport. Office of Scientific and Technical Information (OSTI), September 2011. http://dx.doi.org/10.2172/1508988.

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Skone, Timothy J. Container Truck, Transport. Office of Scientific and Technical Information (OSTI), September 2011. http://dx.doi.org/10.2172/1509268.

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Al-Qadi, Imad, Egemen Okte, Aravind Ramakrishnan, Qingwen Zhou, and Watheq Sayeh. Truck-Platoonable Pavement Sections in Illinois’ Network. Illinois Center for Transportation, February 2021. http://dx.doi.org/10.36501/0197-9191/21-002.

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Truck platooning has many benefits over traditional truck mobility. Literature shows that platooning improves safety and reduces fuel consumption between 5% and 15% based on platoon configuration. In Illinois, trucks carry more than 50% of freight tonnage and constitute 25% of the traffic on interstates. Deployment of truck platooning within interstate highways would result in significant fuel savings, but may have a direct impact on flexible pavement performance. The channelization of the platoon and reduced rest time between consecutive loads would accelerate the damage accumulation at the channelized position. Ultimately, this would lead to pavement service life reduction and a subsequent increase in maintenance and rehabilitation costs. Therefore, the main objective of this project is to quantify the effects of platooning on flexible pavements and provide guidelines for the state of Illinois by considering the aforementioned factors. Although the benefits of platooning are quantifiable, not every truck route is platoonable. For efficient platooning, trucks need to travel at a constant high speed for extended distances. The integrity of the platoon should be preserved because interfering vehicles would compromise the platooning benefits and road safety. An introduced high-level approach considers the volume/capacity of a roadway and the expected number of highway exit and entry conflicts. Using these parameters, each roadway section is assigned a level of platoonability, ranging from one to five—with five being the highest. A framework was developed to analyze the Illinois highway network. It was found that 89% of the network highway is platoonable under average capacity conditions.
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Srajer, V. Truck management systems review. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/304869.

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