Academic literature on the topic 'Motor vehicles weighing up to 3'
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Journal articles on the topic "Motor vehicles weighing up to 3"
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Vargas-Sobrado, Ana, Luis Rodríguez-Solano, José Aguiar-Moya, Henry Hernández-Vega, and Luis Loría-Salazar. "Truck Weights on Municipal and National Roads without Weight Enforcement." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 2 (February 2019): 275–84. http://dx.doi.org/10.1177/0361198119828283.
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One of the main causes of premature deterioration in pavement structures is overweight heavy vehicles. To characterize these vehicles, real loads of motor vehicles of more than four tons should be monitored, especially vehicles classified as C2 (2-axles, single units), C3 (3-axles, single units), T3-S2 (5-axles, single trailer) and T3-S3 (6-axles, single trailer) type, as they represent 99.5% of the Costa Rican truck fleet. This study includes six temporal weighing surveys on municipal roads and seven weighing surveys on national roads, comprising the weight of 525 and 554 trucks, respectively. On municipal roads, C2 vehicles with bulk and wagon body types are predominant (67% of surveyed vehicles), whereas on national routes T3-S2 vehicles predominate (42%). Likewise, it was determined that most of exceeding data correspond to vehicles transporting pit material, construction materials, and merchandise on both types of roads. Compared with municipal roads (8%), the percentage of overweight vehicles is more than twice that on national roads (18%) where weight regulations are not enforced. To estimate updated and realistic load data that can be included in pavement design manuals and guides, the same results are provided in parameters such as truck factors and load spectra.
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Wang, Qing Song, Xue Liang Yuan, and Chun Yuan Ma. "Air Environmental Impact Research of Urban Traffic Development – A Case Study." Advanced Materials Research 113-116 (June 2010): 854–58. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.854.
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With the speed-up of urbanization, the number of motor vehicles has increased rapidly, which is the main urban air pollutant source because of too much emitted exhaust gas. Based on the motor vehicle exhaust emissions in Shandong Province in 2006, using trend extrapolation and scenario analysis, predict the motor vehicle exhaust emissions for future planning. The results show that the motor vehicles in 2015and 2020 are 27.52 million and 34.53 million, which is 1.9times and 2.38 times of the motor vehicles in 2006, respectively. For the specific air pollutants from motor vehicles exhaust in 2020, SO2, NOx, PM2.5 and PM10 will reach 28.4 thousand tons, 356.7 thousand tons, 10.8 thousand tons and 12.2 thousand tons, which will be 3 times, 1.2 times, 5 times and 5 times of the emissions in 2006. The urban air pollutions caused by motor vehicles exhaust will be very serious.
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Shimizu, Osamu, Sakahisa Nagai, Toshiyuki Fujita, and Hiroshi Fujimoto. "Potential for CO2 Reduction by Dynamic Wireless Power Transfer for Passenger Vehicles in Japan." Energies 13, no. 13 (June 30, 2020): 3342. http://dx.doi.org/10.3390/en13133342.
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In this study, a novel system named the third-generation wireless in-wheel motor (WIWM-3), which has a dynamic wireless power transfer (DWPT) system, is developed. It can extend the cruise range, which is one of the key specifications of electric vehicles. DWPT also reduces CO2 emission as the driving resistance is reduced due to light weight of the batteries. In this study, CO2 emission by an internal combustion vehicle, a long range drivable electric vehicle with the same cruise range, and an electric vehicle with WIWM-3 equipped with the DWPT system are analyzed using actual measurement data and calculated data based on actual measurement or specification data. A WPT system with WIWM-3 achieves 92.5% DC-to-DC efficiency as indicated by an actual measurement at the nominal position. Thus, the electric vehicle with DWPT can reduce up to 62% of CO2 emission in internal combustion vehicles, and the long-range drivable vehicle emits 17% more CO2 than the electric vehicle with DWPT. Moreover, it is expected that by 2050, electric vehicles with DWPT will reduce CO2 emissions from internal combustion vehicles by 95% in Japan. DWPT systems make electric vehicles more sustainable and, hence, more acceptable for consumers.
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Yushkevych, Olena. "Legislative lacunas in holding persons responsible for driving vehicles under the influence of alcohol." Naukovyy Visnyk Dnipropetrovs'kogo Derzhavnogo Universytetu Vnutrishnikh Sprav 3, no. 3 (September 30, 2020): 108–13. http://dx.doi.org/10.31733/2078-3566-2020-3-108-113.
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A general review of the legal framework for holding persons administratively responsible for driving vehicles under the influence of alcohol has been carried out. Lacunas in the current legislation on holding persons responsible for driving vehicles under the influence of alcohol have been identified. Thus, there is nowadays virtually no practice of drawing up re-ports on administrative offenses for transferring control of a vehicle to a person who is in a state of alcohol intoxication. The legislative alternative presupposing the police inspecting a vehicle on the scene using specialist equipment or medical staff examining the driver of that vehicle leads, in certain cases, to the closure of the administrative offense proceedings in the actual absence of the administrative offense case to answer. The relevant judicial practice has been analyzed. The distinctive features of the use by the police of specialist equipment, by means of which the drivers of vehicles are detected to have signs of alcohol intoxication, have been highlighted. Opposing views have been given on the issue of classifying certain equipment, currently used by the police officers, as specialist. Proposals regarding amendments to the respective regulations have been formulated. In particular, this is the establishment of the lower and upper limits of administrative penalties; taking disciplinary action against respective persons for failure to appear in court for hearing an administrative offense case, as well as conducting internal reviews in case the court recognizes the fact of unlawful drawing up of the report on an administrative offense; the expansion of the list of documents that must be carried by the driver of a motor vehicle, etc.
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Widiyatmoko, Bambang, and Mefina Y. Rofianingrum. "Dynamic Characterization of Macrobending Loss Optical Fiber-Based Load Sensor." Journal of Technomaterials Physics 3, no. 1 (February 26, 2021): 74–82. http://dx.doi.org/10.32734/jotp.v3i1.5543.
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The weight of vehicles passing through the road greatly affects road damage, so it is necessary to have a non-stop weighing system or Weight in Motion (WIM). In this study, the dynamic characterization of the WIM sensor was carried out based on the principle of optical fiber macrobending. In this study, a single-mode step-index optical fiber was used as the sensor material and a laser diode with a power of 5 mW and a wavelength of 1,550 nm as a light source. Characterization was carried out by running over the sensor using a motor with three variations of speed, namely 10 km/hour, 15 km/hour, and 20 km/hour. Two different conditions were also carried out, namely, the sensor was directly crushed and the sensor was reinforced in the form of a half-cylinder wooden beam. The test was carried out with three different types of sensors. From the observations, data shows that the addition of a beam can increase the accuracy of the reading as seen from the smaller the difference in the output voltage reading for the same type of sensor and vehicle speed. Besides that, there is a strengthening of the sensor resistance up to 10 times which is known from the sensor output voltage where the voltage at the addition of the beam is 1/10 of the reading without the beam. This is due to an increase in the sensor area exposed to the load.
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ADAM, JIFLY ZULFAHMI, and TN SYAMSAH. "EFEKTIVITAS PAJAK PROGRESIF KENDARAAN RODA DUA PADA SISTEM ADMINISTRASI MANUNGGAL SATU ATAP (SAMSAT) DI WILAYAH BOGOR." JURNAL ILMIAH LIVING LAW 10, no. 1 (January 30, 2018): 45. http://dx.doi.org/10.30997/jill.v10i1.1492.
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Identification of this research are1) How is the progressive tax’s effectiveness of two-wheeled vehicles in the Bogor Region’s Samsat? 2) What are the obstacles and efforts made by the regional government to overcome the implementation of progressive taxes? 3) What is the solution to implementing a fair progressive tax between the government and taxpayers?. The research method used in this research is the normative juridical approach, namely the law is conceptualized as norms, rules, principles or dogmas/jurisprudence. The result of this research are: 1) implementation of progressive tax of two-wheeled vehicle at Samsat City Bogor and Bogor Regency not yet optimal; 2) Inhibiting factors that occur in the implementation of progressive tax on motorcycle taxpayers include: Inhibiting factors for officers in the field, facilities and infrastructure factors, community factors as taxpayers; 3) Solutions are given to overcome the inhibiting factors, namely: Adding facilities and infrastructure in the form of samsat corner in the mall, samsat to pick up the ball with samsat around, Samsat City Office Bogor and Bogor regency also facilitate taxpayers who do report on the sale of vehicles motor that has been sold for the taxpayer is not subject to progressive tax.
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Byrne, James V., Philip Boardman, Ioannis Ioannidis, Jane Adcock, and Zoe Traill. "Seizures after Aneurysmal Subarachnoid Hemorrhage Treated with Coil Embolization." Neurosurgery 52, no. 3 (March 1, 2003): 545–52. http://dx.doi.org/10.1227/01.neu.0000047672.25068.4a.
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Abstract OBJECTIVE We sought to determine the incidence of seizures among patients treated with endovascular coil embolization for ruptured intracranial aneurysms because data on which to base antiepileptic drug (AED) prescriptions and advice to patients regarding driving motor vehicles and other high-risk activities are currently lacking. METHODS We conducted a single-institute, single-operator observational study of 243 patients referred for endovascular treatment after aneurysmal subarachnoid hemorrhage. Prospective data collection was performed, and all successfully treated patients were followed. The incidence of seizures was compared with published surgical data, and logistic regression analysis of potential clinical associations was performed. Patients were followed for up to 7.7 years (mean follow-up period, 21.9 mo). RESULTS Ictal seizures occurred at the time of subarachnoid hemorrhage in 26 (11%) of 243 patients and correlated with middle cerebral artery aneurysm location, loss of consciousness at ictus, and AED prescription. No patients experienced periprocedural seizures during their hospitalization. Seven of 233 successfully treated patients (3%) experienced seizures more than 30 days after treatment: late seizures occurred de novo in four patients (1.7%) and in three patients (1.4%) were caused by preexisting epilepsy. Two patients (0.85%) who had de novo seizures developed epilepsy. Late seizures correlated with a history of previous seizures, the presence of a cerebrospinal fluid shunt, and the use of AEDs. CONCLUSION The low incidence of seizures does not justify the use of prophylactic AED therapy after aneurysmal subarachnoid hemorrhage in patients treated solely with coil embolization, nor does it justify subsequent restrictions on the driving of motor vehicles if the patient is otherwise fit to drive.
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Jung, Jinwon, Nguyen Van Sy, Dongkyu Lee, Seonggun Joe, Jaihyuk Hwang, and Byungkyu Kim. "A Single Motor-Driven Focusing Mechanism with Flexure Hinges for Small Satellite Optical Systems." Applied Sciences 10, no. 20 (October 12, 2020): 7087. http://dx.doi.org/10.3390/app10207087.
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For earth observation, the optical systems in small satellites are crucial to obtain high- resolution images. However, the alignment between a primary and a secondary mirror in an optical system can be disturbed due to the harsh environments inside vehicles or space (i.e., vibrations, shock loading during launch, dramatic temperature changes, or high vacuum pressure in space). To compensate for such undesired deformations, a focusing mechanism should be embedded into the optical system. In this paper, we propose a novel Single Motor-Driven Focusing mechanism with Flexure Hinges (SMFH), allowing the Flexure Hinge (FlexHe) to displace in the longitudinal direction. The presented FlexHe incorporates radial zig-zag-patterned slits to achieve flexibility, and preloading of the hinge structures to reduce the resulting hysteresis. To investigate an optimal configuration of FlexHe, a numerical simulation is performed by means of ANSYS 19.2. The variation of Modulation Transfer Function (MTF), corresponding to an image resolution, is evaluated by using an optics simulation program (CODE-V). The experimental setups are built by exploiting the fabricated SMFH and five LVDT (Linear Variable Differential Transformer) sensors with a high resolution of 0.031 µm. As a result, hysteresis can be reduced up to 6.52% with a pre-stretched length of 3 µm. The proposed SMFH allows not only the De-space to displace up to 23.93 µm, but also the De-center and the Tilt to achieve the desired displacements of 5.20 µm and 88.45 µrad, respectively. Conclusively, the SMFH shows promising characteristics to embed a feedback control, due to its high resolution (up to 0.1 µm) for De-space with the MTF of 37%.
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Gagarin, S. A., I. L. Malkova, and A. V. Semakina. "ASSESSMENT OF THE LEVEL OF MEDICAL AND ECOLOGICAL WELFARE OF THE TERRITORY OF IZHEVSK." Bulletin of Udmurt University. Series Biology. Earth Sciences 29, no. 3 (September 25, 2019): 374–82. http://dx.doi.org/10.35634/2412-9518-2019-29-3-374-382.
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The article presents the results of zoning of the territory of Izhevsk by the level of medical and ecological well-being using the statistical method of weighted points. The level of morbidity of the child population (per 1000 children up to 15 years old) in the context of 170 pediatric sites was used as the main indicator of the ecological comfort of the urban environment. Among the factors that determine the territorial heterogeneity of medical and statistical indicators, a complex index of air pollution, noise pollution from motor vehicles, and area of gardening were considered. As a result, micro-districts of the city were divided into three groups according to the level of medical and ecological comfort: disadvantaged (20 %), satisfactory (62 %) and comfortable (18 %). The most tense situation is typical for the residential districts Center, Bummash and Nagorny with a consistently high level of morbidity among children. Micro-districts with the most comfortable medical and ecological situation are concentrated in Pervomaisky district.
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Maryama, Siti. "Permasalahan Manajemen Usaha Mikro Studi Kasus Pada Pabrik Kerupuk UD. Manunggal Karsa Di Kel. Lebak Bulus Kec. Cilandak Kodya Jakarta Selatan." Liquidity 1, no. 1 (July 2, 2018): 81–90. http://dx.doi.org/10.32546/lq.v1i1.159.
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The purpose of the study are to (1) review the main problems faced by the factory of Kepuruk Manunggal Karsa (MK), and (2) assessing the entrepreneur attempts to be able to solve the problems faced. The research was carried out using qualitative descriptive design. The results showed that (1) the lack of supply of raw materials as a result of lack of capital. Sequel is due, the difficulty of the plant to meet consumer demand (excess demand). (2), the system of capital used is circulating capital (capital turnover). Earned income used up to finance the operation of the plant. (3) Innovation has been done in the form of deal with bad weather (rain) as an effort of crackers drying process is by using the oven. (4) There has been no cooperation with financial institutions. (5) There is no organizational structure as a modern factory for traditionally managed by family management. (6) Marketing using modes of transportation carts and motor vehicles.
Dissertations / Theses on the topic "Motor vehicles weighing up to 3"
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Nováková, Libuše. "Strategie rozvoje podniku." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2021. http://www.nusl.cz/ntk/nusl-442888.
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This thesis is aimed at business plan of further development of the company XY, s.r.o. The theoretical basis for the work include basic concepts related to the focusing on the main idea of the company´s development plan. The analysis section deals with the evaluation of the current problém and includes the identification of key factors in the wider context of the environment, the summary of which is then followed by a suitable strategy for the implementation of future development. In this part, analyzes of External and internal factors are used. The proposals are based on a performer SWOT analysis. This section lists appropriate measures to eliminate risks in the field.
Book chapters on the topic "Motor vehicles weighing up to 3"
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Halbey, Julian, Ralf Philipsen, Teresa Schmidt, and Martina Ziefle. "Range Makes All the Difference? Weighing up Range, Charging Time and Fast-Charging Network Density as Key Drivers for the Acceptance of Battery Electric Vehicles." In Advances in Intelligent Systems and Computing, 939–50. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60441-1_90.
Full textConference papers on the topic "Motor vehicles weighing up to 3"
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Thornton, Richard D., Tracy Clark, and Brian Perreault. "Linear Synchronous Motor Propulsion of Small Transit Vehicles." In ASME/IEEE 2004 Joint Rail Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/rtd2004-66020.
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The Linear Synchronous Motor (LSM) has been used for several high speed maglev applications but only recently have developers applied it to urban transit. MagneMotion has worked with the Federal Transit Administration (FTA), as part of their Urban Maglev Project, to develop an LSM propelled maglev transit system called M3. The top speed is only half that of the Transrapid maglev trains now operational in China but by using small vehicles with short headway and rapid acceleration it is possible to achieve outstanding performance at much lower cost. The combination of LSM technology and small vehicles is a cost effective replacement for rotary motor and Linear Induction Motor (LIM) powered trains for all transit applications, including conventional rail and monorail. LSM is the enabling technology that makes it economically and technically feasible to achieve high capacity with short vehicles and, conversely, the use of small vehicles makes LSM propulsion economically attractive. Small vehicles operating with short headway and organized in clusters can achieve high capacity without offline loading. Very precise position sensing and guideway based propulsion and control make short headways safe and affordable. This paper describes the objectives of the MagneMotion LSM development, discusses some of the design features, and presents 3 examples. The examples are based on operational speeds up to 60 m/s (134 mph), accelerations up to 0.16 g, vehicle headways down to 4 seconds, and capacities up to 12,000 passengers per hour per direction (pphpd). Examples include a 1 mile high capacity shuttle, a 4 km unidirectional loop with several stations, and a 30 km high-speed airport connector. Calculations show that an LSM propelled transit system has lower capital cost than conventional transit systems using vehicle-based electric propulsion with either rotary motors or LIMs. Vehicles are simplified, the cost of energy and maintenance is reduced and, most important, users of the transit system experience major reductions in trip times.
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Saczalski, Kenneth J., Anthony Sances, Srirangam Kumaresan, Steve Meyer, Joseph Lawson Burton, and Paul R. Lewis. "Biomechanical Study of Rear Child Chest Injury Measures Related to Collapsing Front Seats in Rear Impacts." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43061.
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Government recommendations have been made to place children into the rear seating areas of motor vehicles in order to alleviate airbag hazards in frontal impact. In most moderate to severe rear impacts, however, the adult occupied front seats will “yield” or “collapse” into the rear seat area and thus pose another potential head and chest injury hazard to the rear seated children. Numerous factors or variables, each with a wide parameter range, influence whether or not an occupied collapsing front seat will result in engagement with the rear occupant, and whether that engagement is likely to cause injury to the rear-seated occupant. A combined experimental and analytical method, employing instrumented surrogates in a sled-buck test set-up, has been utilized to study the multivariable potential injury problem of the rear-seated child in rear impact. A 3 year-old H-III surrogate, seated in the built-in booster seat of a minivan, was used as the rear seat passenger in this study. Five tests were utilized. The experimental surrogate data from the test method is combined into a “polynomial response function” that expresses “injury levels” (i.e. HIC and chest G) as a function of the many variables, and allows for analytical “interpolation and extrapolation” at variable combinations and ranges not tested. Actual accident cases were compared with the biomechanical injury measures. The present study presents a methodology to delineate the biomechanics of injuries using multivariate analysis.
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Anderson, Walter, The Nguyen, and Mohammad Elahinia. "Vibration Mitigation With a Multi-Axial Magnetorheological Mount." In ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2009. http://dx.doi.org/10.1115/smasis2009-1353.
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This paper presents a multi-axial magnetorheological (MMR) mount. An MMR mount has been developed for use with hydraulic hybrid vehicles (HHV). Like hybrid electric vehicles (HEV), HHV provides better fuel economy. An inherent problem to hydraulic hybrid vehicles is vibration of the hydraulic pump-motor (P/M). This vibration can be classified as shock loading for initial start-up, and periodic vibration over a large frequency range. The latter vibration opportunity can be classified as having large displacement at low frequency and small displacement at high frequency. This requires a stiff mount for the low frequency response and a soft mount for the high frequency response. A single axis magnetorheological (MR) mount has previously been developed and studied by the same group. This was done to develop an understanding of the MR fluid and to discover the limitations of such a mount. Models to predict the experimental results have also been generated. These models show a good correlation to the experimental results. Then, the model has been enhanced from the single axis mount to a multi-axial. This was done by examining the 3-D CAD model to develop the different boundary conditions for the simulation. With a multi-axial magnetorheological mount, damping and stiffness can be altered to yield acceptable transmissibility over the frequency range. This is achieved through the use of an inertia track paired with a pseudo-decoupler. These features are commonly found in a passive hydraulic mount; however through the use of MR fluid, the downfalls of the hydraulic mount can be mitigated, e.g. performance deterioration outside of notch frequency. Additionally, a magnetorheological mount is semi-active so there is an inherent stability to the mount. The MMR mount uses elastomer and MR fluid to achieve the static stiffness to support the P/M and achieve low dynamic stiffness for the high frequency response, which is necessary for a good isolator. The advantages of the use of a multi-axial magnetorheological mount are as follows: fewer mounts are required, stability when compared to an active mount, less power required when compared to an active mount, better isolation when compared to pure elastomeric and passive hydraulic mounts. A model for a multi-axial magnetorheological mount has been developed and simulated. For the purposes of this study, elastomer has been considered to have a linear dynamic response. Additionally, the shock response of the mount has not been considered. Future work includes manufacturing a multi-axial MR mount to verify the simulation results.