Gotowe bibliografie tematyczne / Track

Gotowa bibliografia na temat „Track”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 9 marca 2023

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Artykuły w czasopismach na temat "Track"

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Zou, Ke, Hao Zhu, Allan De Freitas, Yongfu Li i Hamid Esmaeili Najafabadi. "Track-to-Track Association for Intelligent Vehicles by Preserving Local Track Geometry". Sensors 20, nr 5 (4.03.2020): 1412. http://dx.doi.org/10.3390/s20051412.

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Track-to-track association (T2TA) is a challenging task in situational awareness in intelligent vehicles and surveillance systems. In this paper, the problem of track-to-track association with sensor bias (T2TASB) is considered. Traditional T2TASB algorithms only consider a statistical distance cost between local tracks from different sensors, without exploiting the geometric relationship between one track and its neighboring ones from each sensor. However, the relative geometry among neighboring local tracks is usually stable, at least for a while, and thus helpful in improving the T2TASB. In this paper, we propose a probabilistic method, called the local track geometry preservation (LTGP) algorithm, which takes advantage of the geometry of tracks. Assuming that the local tracks of one sensor are represented by Gaussian mixture model (GMM) centroids, the corresponding local tracks of the other sensor are fitted to those of the first sensor. In this regard, a geometrical descriptor connectivity matrix is constructed to exploit the relative geometry of these tracks. The track association problem is formulated as a maximum likelihood estimation problem with a local track geometry constraint, and an expectation–maximization (EM) algorithm is developed to find the solution. Simulation results demonstrate that the proposed methods offer better performance than the state-of-the-art methods.
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Wertheimer, Albert I. "Welcome track and trace". Journal of Pharmaceutical Health Services Research 7, nr 4 (11.11.2016): 207–8. http://dx.doi.org/10.1111/jphs.12158.

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Xing, Lida, Martin Lockley, Zhitao Wang, Jianjun Liu, W. Scott Persons IV, Bolin Tong i Liu Chang. "Dinosaur Track from the Jurassic Xiahuayuan Formation of Northern China". Biosis: Biological Systems 3, nr 1 (1.04.2022): e003. http://dx.doi.org/10.37819/biosis.003.01.0168.

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An isolated but moderately well-preserved theropod track from the coal-bearing strata of the Zhangjiakou City region of Hebei Province was reported to have originated from the Xiahuayuan Formation, which is considered Middle Jurassic in age. Although the track has a wide divarication angle and length-width ratio reminiscent of Cretaceous tracks like Magnoavipes, it would be speculative to apply this Identification based on a single track. Therefore, it is considered most likely to be a preservational variant of Kayentapus, in which the heel trace is lacking. Kayentapus is widely known from the Lower Jurassic of China. This is the first report of a track or any vertebrate fossil from the Middle Jurassic of this region of Hebei Province, China.
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Fedosov, A. D., i E. S. Antereykin. "Comparison of work volumes on maintenance of tram track sections on various stages of life cycle". Transport of the Urals, nr 2 (2021): 79–84. http://dx.doi.org/10.20291/1815-9400-2021-2-79-84.

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The paper presents the assessment of technical condition of track on the example of two tram sections on Titov and Svyazistov streets in Novosibirsk. The authors have compared sections by the number of derailments and have revealed the main reasons of the derailments. As a result, they have established the volumes of maintenance of tram tracks and the required labour costs, as well as the works that make the main share of labour costs for 5 years on both considered sections. In order to control the track position for the provision of comfortable and safe transportation of passengers the authors recommend to use a track measuring truck.
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O'Neill, Tanya A., Megan R. Balks i Jerónimo López-Martínez. "Ross Island recreational walking tracks: relationships between soil physiochemical properties and track usage". Polar Record 51, nr 4 (3.07.2014): 444–55. http://dx.doi.org/10.1017/s0032247414000400.

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ABSTRACTThe objective of this research was to determine the number of people using the Ross Island recreational walking tracks, and to examine the relationships between the number of users, track morphological characteristics, and soil physiochemical properties. Infrared track counters provided 2-years of data on five walking tracks on the island. Track width and track incision were measured and soil sampling in the vicinity of the track counter and an adjacent control site was undertaken. Between January 2009 and January 2011 5084 passes were recorded on the Scott Base to McMurdo Station walking track, 2842 on the Wind Vane Hill walking track, 3561 on the Round Observation Hill walking track, 10936 on the Up Observation Hill track, and 693 on the Crater Hill summit walking track. There were more users on all tracks in the 2010–2011 summer season than the 2009–2010 summer season. The highest frequency of visitors occurred on Sundays during the summer (November to January). There was no relationship between the number of passes on the track and the measured impact indicators. This indicates that higher usage of a formed track had little cumulative impact. Track width and incision were related to the slope of the terrain, with tracks traversing flatter areas generally wider (R2 = 0.85) and less incised (R2 = 0.96), than those traversing steeper hillsides. There were no significant differences between tracks and control samples in soil pH, soil EC, organic C, total N, and total P. However, soil bulk density was higher in the walking tracks than adjacent control areas (p < 0.05).
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Shibata, Masateru, i David J. Varricchio. "Horseshoe crab trace fossils from the Upper Cretaceous Two Medicine Formation of Montana, USA, and a brief review of the xiphosurid ichnological record". Journal of Paleontology 94, nr 5 (15.05.2020): 887–905. http://dx.doi.org/10.1017/jpa.2020.16.

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AbstractA locality in the Upper Cretaceous Two Medicine Formation of Montana preserves abundant and variable horseshoe crab tracks and trails of the ichnotaxon Kouphichnium isp. These specimens span six morphologies differing in track form and trail configuration. These differences likely reflect variations in track-maker locomotion and behavior, substrate consistency, epichnial versus hypichnial preservation, and undertrack versus true tracks. Several tracks preserve the first clear appendage impressions for an extinct horseshoe crab. This discovery adds new information to the fossil horseshoe crab diversity in the Cretaceous Period. Trackway dimensions, such as the external width across the pusher legs or of the prosomal drag mark, provide information on the track-maker size. Most trackways correspond with crabs 9–14 cm wide; the abundance but limited size range of the traces suggests the large assemblage corresponds to a mating aggregation. The trace fossil record of xiphosurids indicates that throughout their history, horseshoe crabs inhabited both marine and nonmarine settings. They were definitively present in freshwater habitats from the lower Carboniferous through at least the Paleogene. Horseshoe crab trace abundance is highest from the upper Carboniferous through the Jurassic and likely reflects two factors: true upper Carboniferous taxonomic diversity and a preponderance of suitable sites for trackway preservation in the Late Triassic and Jurassic. Cretaceous traces are uncommon, and this Two Medicine locality is the first occurrence of horseshoe crab traces in the Late Cretaceous worldwide. Overall, track abundance and diversity would seem to correspond well with the reported horseshoe crab body fossil record.
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Dong, Kai, Hai Peng Wang i Yu Liu. "Formation Track Association Algorithm in the Presence of Sensor Bias Based on Double Fuzzy Topology". Applied Mechanics and Materials 536-537 (kwiecień 2014): 329–32. http://dx.doi.org/10.4028/www.scientific.net/amm.536-537.329.

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Aiming to solve the track association problem of the formation targets in the presence of sensor bias, a formation track association algorithm based on double fuzzy topology (DFT-FTA) is proposed according to the topology characteristics of the formation tracks. The formations are identified among sensors tracks based on the circulatory threshold model firstly. Then the formation tracks are replaced by their center track so that the first fuzzy topology model is established to realize preparatory association of formation tracks and common tracks. At last, the second fuzzy topology model based on the associated formation tracks and associated common tracks is established to realize formation inner track association. The simulation result shows that the proposed algorithm outperforms the fuzzy track alignment-association algorithm based on target invariable information (TII-FTA) and modified weight track association algorithm (MW-TA).
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Zarei-Jalalabadi, Mahboubeh, Seyed M. B. Malaek i Solmaz S. Kia. "A Track-to-Track Fusion Method for Tracks With Unknown Correlations". IEEE Control Systems Letters 2, nr 2 (kwiecień 2018): 189–94. http://dx.doi.org/10.1109/lcsys.2017.2779465.

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Nikezic, Dragoslav, Peter Yu i Dragana Kostic. "Three-dimensional model of track growth: Comparison with other models". Nuclear Technology and Radiation Protection 18, nr 2 (2003): 24–30. http://dx.doi.org/10.2298/ntrp0302024n.

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Here, we present a three-dimensional model of track growth in nuclear track detectors. The equation for the track wall in three dimensions and the equation of the contour line of the track opening have been derived for all types of tracks (i. e., tracks with sharp tips and tracks with rounded tips). The expression for the surface area of the track opening has also been found. The equations become the well-known expressions for minor and major axes for the special case of constant track etch rates. Computations of track parameters based on our model have been compared with the track growth models given by Somogyi and Szalay and the one given by Fews and Henshaw. Good agreements have been found among these three independent models.
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Ouyang, Cheng, Hong Bing Ji i Jun Gen Zhang. "Improved Estimate-to-Track Association Method for Track Continuity". Key Engineering Materials 467-469 (luty 2011): 806–11. http://dx.doi.org/10.4028/www.scientific.net/kem.467-469.806.

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The probability hypothesis density (PHD) filter is a practical alternative to the optimal Bayesian multi-target filter based on finite set statistics. However, the PHD filter keeps no record of target identities and hence does not produce track-valued estimates of individual targets. To solve this problem, an improved estimate-to-track association method for track continuity is proposed in this paper. Firstly, a multi-step prediction of current target states is made, and then the weighted labels are assigned to them according to the inertia. Secondly, the fuzzy membership degrees of the current state estimates belonging to the tracks are obtained by utilizing the maximum entropy fuzzy clustering. Finally, the tracks are maintained by integrating all this information. Different from the traditional estimate-to-track association method, the proposed algorithm does not update the track information by simply summing the log likelihood ratios between adjacent scans, but take the entire multi-scan information into account by the operations such as weighting and clustering. The simulation results show that the proposed algorithm can maintain target tracks more accurately, even when the targets cross each other, implying strong robustness and excellent performance of track continuity.
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Rozprawy doktorskie na temat "Track"

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Risberg, Patrik. "IT Track or People Track?" Thesis, University of Gävle, Department of Business Administration and Economics, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-73.

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This thesis deals with knowledge management at companies in the Falun-Borlänge region. The purpose is to create better understanding of which path companies have chosen and why, respectively. A qualitative survey seeks to discover if companies have chosen IT track or people track. This is a practical and useful model for an evaluative study. In the same context, a number of important models for evaluating knowledge management are presented.

The result shows that the companies provide a multitude of training within several frameworks. Education is mostly provided in a traditional manner but there are many examples of interactive state-of-the-art training. Furthermore, most of the companies primarily focus upon people and processes, but some focus at technical facilities as well. In some cases are the technical frameworks used for support of core processes.

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Poon, Chun-hin. "An RFID-based track-and-trace anti-counterfeiting system". Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/HKUTO/record/B39556906.

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潘俊軒 i Chun-hin Poon. "An RFID-based track-and-trace anti-counterfeiting system". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39556906.

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Hawari, Haitham M. "Minimising track degradation through managing vehicle/track interaction". Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16366/1/Haitham_Hawari_Thesis.pdf.

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The rate at which a railway track deteriorates depends on the response of the track under different static and repeated dynamic forces. These wheel/rail forces lead to imperfections in the rail surface and deviation in track geometry alignment. The wheel/rail forces are dependent upon the quality of maintenance of the characteristics of both train and track. If train components such as wheelsets and suspensions are maintained to a high standard, less dynamic forces are generated at the wheel/rail interface and less damage is caused over time. Therefore, the amount and cost of maintenance of track are reduced. However, there is little known about how the characteristics of train components affect time-dependent track degradation. Track degradation through deviation of track from its ideal position has the most effect on maintenance costs. Therefore, the present research aims to investigate this track degradation and improve understanding of the effects of train characteristics (such as train mass and speed, suspension stiffness and damping) on railway tracks. The research is conducted by looking into the relationship between wheel/rail forces and track degradation on one hand and between wheel/rail forces and train characteristics on the other hand, with the objective of assisting in managing vehicle/track interaction in order to minimise track degradation. This aim is achieved by investigating the above two relationships to attain the desired relationship between track degradation and train characteristics. The research focuses on wheel/rail vertical forces (both amplitudes and frequencies), vertical track alignment (longitudinal vertical profile), and rail head defects. The study started by collecting wheel/rail vertical forces data in addition to data on vertical track degradation under sustained traffic loads on a heavy haul railway section of track in Central Queensland. Also, five years of degradation and maintenance history data were collected on three other test sections of railway track under variety of traffic conditions and loads in Central Queensland. There were four main analyses of this data employed to probe the study. The first analysis was performed by examining the track degradation history data. The standard deviation method was used in this first analysis to acquire the rate of deterioration in terms of its relationship to track profile (roughness). The second analysis was accomplished by correlating the vertical wheel/rail forces to both vertical track profile and rail roughness using signal processing principles and a function know as coherence. The third analysis was carried out by using the computer simulation software NUCARS to obtain the link between wheel/rail forces and the deterioration of the vertical track profile. The fourth analysis was achieved by combining the results obtained from the above three analyses to acquire the rate of track deterioration in terms of its relationship to varying train characteristics. The first analysis mentioned above quantified the relationship between the level of roughness of the track and rate at which that roughness deteriorated. An important outcome of this relationship is that there is a threshold of roughness below which track deterioration is minimal. The track maintenance planners can now use that threshold for cost effective targeting of tamping activities. The correlation study between track roughness and wheel/rail forces using the coherence function found, surprisingly, that the overall deterioration of the track roughness, in the absence of frequencies of forces above 30 Hz, is due to the so-called quasi-static lower frequency oscillations of dynamic forces. This conclusion together with the relationship between vehicle characteristics and track forces, established in the analyses above, has significant implications for the design of wagon bogies and for charges track owners might levy on trains using their tracks. This research is part of a larger Rail CRC project 11/4 called 'Enhancing the Optimisation of Maintenance/Renewal' being carried out in the School of Urban Development in Queensland University of Technology.
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Hawari, Haitham M. "Minimising track degradation through managing vehicle/track interaction". Queensland University of Technology, 2007. http://eprints.qut.edu.au/16366/.

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The rate at which a railway track deteriorates depends on the response of the track under different static and repeated dynamic forces. These wheel/rail forces lead to imperfections in the rail surface and deviation in track geometry alignment. The wheel/rail forces are dependent upon the quality of maintenance of the characteristics of both train and track. If train components such as wheelsets and suspensions are maintained to a high standard, less dynamic forces are generated at the wheel/rail interface and less damage is caused over time. Therefore, the amount and cost of maintenance of track are reduced. However, there is little known about how the characteristics of train components affect time-dependent track degradation. Track degradation through deviation of track from its ideal position has the most effect on maintenance costs. Therefore, the present research aims to investigate this track degradation and improve understanding of the effects of train characteristics (such as train mass and speed, suspension stiffness and damping) on railway tracks. The research is conducted by looking into the relationship between wheel/rail forces and track degradation on one hand and between wheel/rail forces and train characteristics on the other hand, with the objective of assisting in managing vehicle/track interaction in order to minimise track degradation. This aim is achieved by investigating the above two relationships to attain the desired relationship between track degradation and train characteristics. The research focuses on wheel/rail vertical forces (both amplitudes and frequencies), vertical track alignment (longitudinal vertical profile), and rail head defects. The study started by collecting wheel/rail vertical forces data in addition to data on vertical track degradation under sustained traffic loads on a heavy haul railway section of track in Central Queensland. Also, five years of degradation and maintenance history data were collected on three other test sections of railway track under variety of traffic conditions and loads in Central Queensland. There were four main analyses of this data employed to probe the study. The first analysis was performed by examining the track degradation history data. The standard deviation method was used in this first analysis to acquire the rate of deterioration in terms of its relationship to track profile (roughness). The second analysis was accomplished by correlating the vertical wheel/rail forces to both vertical track profile and rail roughness using signal processing principles and a function know as coherence. The third analysis was carried out by using the computer simulation software NUCARS to obtain the link between wheel/rail forces and the deterioration of the vertical track profile. The fourth analysis was achieved by combining the results obtained from the above three analyses to acquire the rate of track deterioration in terms of its relationship to varying train characteristics. The first analysis mentioned above quantified the relationship between the level of roughness of the track and rate at which that roughness deteriorated. An important outcome of this relationship is that there is a threshold of roughness below which track deterioration is minimal. The track maintenance planners can now use that threshold for cost effective targeting of tamping activities. The correlation study between track roughness and wheel/rail forces using the coherence function found, surprisingly, that the overall deterioration of the track roughness, in the absence of frequencies of forces above 30 Hz, is due to the so-called quasi-static lower frequency oscillations of dynamic forces. This conclusion together with the relationship between vehicle characteristics and track forces, established in the analyses above, has significant implications for the design of wagon bogies and for charges track owners might levy on trains using their tracks. This research is part of a larger Rail CRC project 11/4 called 'Enhancing the Optimisation of Maintenance/Renewal' being carried out in the School of Urban Development in Queensland University of Technology.
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Yang, Bo, i 楊波. "Implementation issues in RFID-based track-and-trace anti-counterfeiting". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/208016.

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Counterfeit products, particularly pharmaceuticals, electronic devices, and apparels, are widespread. They threaten consumer safety and cause huge economic losses to licit supply chain partners and governments. Although a number of traditional anti-counterfeiting technologies, such as holograms and chemical tags, are available to combat counterfeiting, they are vulnerable to imitation or being reused. Besides, these technologies are intended to protect individual items, rather than to safeguard an entire supply chain. As such, fake products may likely be injected into the supply chain to hurt end-consumers. Track-and-trace technology based on Radio Frequency Identification (RFID) has recently emerged as a promising tool to combat counterfeiting, because of its automatic and non-line-of-sight capability to identify massive product items. By maintaining an electronic pedigree (e-pedigree) that records the transaction information of product items along the supply chain, this approach stands out for protecting the supply chain against infiltration, eliminating theft and fraud, facilitating recall of defective products, and supporting remote authentication. However, a number of technical and critical issues have yet to be solved for practical implementation of RFID-based track-and-trace anti-counterfeiting. These include generation of accurate initial product e-pedigree in fast moving manufacturing lines, precise e-pedigree updating in batch product distributing and receiving, and fast e- pedigree queries for remote and real-time product authentication from end-customers. Without fully addressing these issues, the accumulated product e-pedigree data would be untrustworthy, rendering any subsequent operations of track-and-trace and product authentication unreliable. This thesis investigates the crucial implementation issues in RFID-based track-and-trace anti-counterfeiting. It firstly presents an innovative track-and-trace anti-counterfeiting system, based on which a TDPS algorithm is proposed for generation of initial product e-pedigree in fast moving production lines. The TDPS overcomes many practical issues, such as tag writing error and tag locking failure, and helps identify the bottleneck of initial product e-pedigree generation. To tackle the bottleneck, the TDPS is further optimized by incorporating a block writing method to enhance the tag EPC writing efficiency and an integration method to balance the overhead of RFID equipment. In product distributing and receiving, a mechanized 3D scanning method is proposed to improve bulk item identification rate and enhance the accuracy and completeness of product e-pedigree. Indeed, RFID-based track-and-trace anti-counterfeiting mandates a relatively high bulk item identification rate for product authentication and e-pedigree updating. Experimental results demonstrate that the mechanized 3D scanning can achieve a bulk item reading rate of up to 98.9%, which largely outperforms the widely documented bulk reading rate (70%) in real applications. In retailing level, the efficiency of e-pedigree queries would hugely impact on customer shopping experience and the effectiveness of track-and-trace anti-counterfeiting. A partition-based method is therefore developed to cluster product e-pedigree data to improve the speed of e-pedigree queries. This approach partitions the accumulated e-pedigree data into fixed and dynamic groups, such that queries are conducted mainly on active data, rather than on the whole historical data sets. By addressing the above key issues, this thesis contributes to making implementation of RFID-based track-and-trace anti-counterfeiting practically viable and reliable.
published_or_final_version
Industrial and Manufacturing Systems Engineering
Master
Master of Philosophy
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Zhang, Yu-Jiang. "An integrated rail track degradation model". Thesis, Queensland University of Technology, 2000. https://eprints.qut.edu.au/36110/7/36110_Digitised%20Thesis.pdf.

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There has been a worldwide trend to increase axle loads and train speeds. This means that railway track degradation will be accelerated, and track maintenance costs will be increased significantly. There is a need to investigate the consequences of increasing traffic load. The aim of the research is to develop a model for the analysis of physical degradation of railway tracks in response to changes in traffic parameters, especially increased axle loads and train speeds. This research has developed an integrated track degradation model (ITDM) by integrating several models into a comprehensive framework. Mechanistic relationships for track degradation hav~ ?een used wherever possible in each of the models contained in ITDM. This overcc:mes the deficiency of the traditional statistical track models which rely heavily on historical degradation data, which is generally not available in many railway systems. In addition statistical models lack the flexibility of incorporating future changes in traffic patterns or maintenance practices. The research starts with reviewing railway track related studies both in Australia and overseas to develop a comprehensive understanding of track performance under various traffic conditions. Existing railway related models are then examined for their suitability for track degradation analysis for Australian situations. The ITDM model is subsequently developed by modifying suitable existing models, and developing new models where necessary. The ITDM model contains four interrelated submodels for rails, sleepers, ballast and subgrade, and track modulus. The rail submodel is for rail wear analysis and is developed from a theoretical concept. The sleeper submodel is for timber sleepers damage prediction. The submodel is developed by modifying and extending an existing model developed elsewhere. The submodel has also incorporated an analysis for the likelihood of concrete sleeper cracking. The ballast and subgrade submodel is evolved from a concept developed in the USA. Substantial modifications and improvements have been made. The track modulus submodel is developed from a conceptual method. Corrections for more global track conditions have been made. The integration of these submodels into one comprehensive package has enabled the interaction between individual track components to be taken into account. This is done by calculating wheel load distribution with time and updating track conditions periodically in the process of track degradation simulation. A Windows-based computer program ~ssociated with ITDM has also been developed. The program enables the user to carry out analysis of degradation of individual track components and to investigate the inter relationships between these track components and their deterioration. The successful implementation of this research has provided essential information for prediction of increased maintenance as a consequence of railway trackdegradation. The model, having been presented at various conferences and seminars, has attracted wide interest. It is anticipated that the model will be put into practical use among Australian railways, enabling track maintenance planning to be optimized and potentially saving Australian railway systems millions of dollars in operating costs.
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Sárik, Veronika. "Decision-making model for track system of high-speed rail lines : Ballasted track, ballastless track or both?" Thesis, KTH, Byggvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-226308.

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During the 50 years of existence of high speed railways, the track structure solutions have developed both in number and in type. As of today, in case of conventional railway, there are 2 main types one could mention: ballasted and ballastless track solutions. However, there is no standardized procedure for choosing between these systems and between their respective variants, the decision is made on a case-by-case basis. This thesis aims to create a generic framework for decision making, primarily taking into account technical details. The model, the input parameters and variables can be easily adjusted and customized based on national standards, practices or other considerations, but the primary focus in the thesis have been the current Swedish regulations. The thesis has an overview on the influencing factors and attempts to include the most crucial ones of these into a decision-making model. This model compares 3 alternatives, namely the ballastless alternative, the ballasted alternative and the alternating system option, in which case the track system selection happens based on local factors, such as geotechnical conditions. These are considered and evaluated through Fuzzy logic, which supports the system selection affected by various sources of uncertainty. The decision is finally made through an LCC calculation. In order to handle the great uncertainties in the data used in the LCC, a Monte Carlo simulation is performed. The main added value of the thesis is considered to be the methodology for choosing the systems based on life-cycle cost after careful technical evaluation. This approach might provide basis for decision for track systems of high speed rail lines.
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Southcott, Michael L. "Radar track association /". Title page, table of contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09phs726.pdf.

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Dongue, Dongue Dietrich Kevin, i Lorenzo Grosso. "The Speed-Track". Thesis, KTH, Maskinkonstruktion (Inst.), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-142612.

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The Speed-Track is a prototype of tracked vehicle made for material transportation on yards andgalleries. It was realized in 2011 and during the past two years has been employed mainly forload transportation on mountains. The main innovations adopted by the vehicle are about thesuspension system and the hydrostatic transmission; the combination of both allows acomfortable driving up to a maximum speed of 20 km/h.First of all, the present thesis aims to quantitatively evaluate the performances of the vehiclefrom the point of view of the suspension system and the transmission. The design of the vehicle,in fact, has been driven by the designer’s experience and no preliminary simulations and sizingcomputations have been performed.According to the outcomes of the first step as well as the feedback, some improvements to thecurrent configuration are designed and evaluated. The feedback has been submitted to theprototype’s users through a questionnaire. Improvements are supposed to be easily implementedon the existing vehicle.The outcomes of the previous steps as well as the communication with employees andentrepreneurs and the knowledge of the state of the art in terms of construction and earthmovingmachines drive the last step of the present work.The employees and entrepreneurs consulted mainly work in the agricultural sector and they havebeen contacted through web-based forums. In addition, the participation to the fair Bauma 2013allowed us to get a more complete picture of the state of the art.New solutions, starting from scratch, are designed in the last part.Keywords:
Speed-Track är en prototyp av en spårfarkost utvecklad för materialtransport på gårdar och igallerior. Den konstruerades 2011 och under de senaste två åren har den främst använts för tungatransporter på berg.De huvudsakliga innovationerna av vilka farkosten använder sig av är kopplade tillsuspensionssystemet och den hydrostatiska transmissionen; kombinationen av dessa möjliggören bekväm resa i hastigheter upp till 20 km/h.Målet med detta examensarbete är framför allt att utvärdera prestandan hos farkosten medhänsyn till suspensionssystemet och transmissionen. Designen av farkosten har utformats baseratpå utvecklarens erfarenheter och inga preliminära simuleringar eller beräkningar har utförts.Baserat på resultaten från, och utvärdering av det första steget har vissa förbättringar till denrådande uppbyggnaden framtagits och utvärderats. Utvärderingen har lämnats till användare avprototypen genom ett frågeformulär.Förbättringarna skall vara lätta att tillämpa på den existerande farkosten.Resultaten från de föregående stegen tillsammans med en dialog med anställda och entreprenörersamt teknisk kunskap med avseende på konstruktion och jordfraktande maskiner driva det sistasteget av det presenterade arbetet.Medarbetare och entreprenörer härstammar framför allt från arbete inom jordbrukssektorn ochhar blivit kontaktade genom web-forum.Dessutom har medverkan under mässan Bauma 2013 givit en mer komplett bild av den rådandetekniken.Nya lösningar skapade från början utvecklas i arbetets sista del.
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Książki na temat "Track"

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Wells, Zachariah. Track & Trace. Emeryville, ON: Biblioasis, 2009.

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Wells, Zachariah. Track & trace. Emeryville, Ont: Biblioasis, 2009.

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National Research Council (U.S.). Transportation Research Board., red. Track design and construction. Washington, D.C: Transportation Research Board, National Research Council, 1985.

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

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Schulte, Christopher F. The dictionary of railway track terms. Philadelphia, Pa. (Box 153, Philadelphia 19152): RCON Services, 1989.

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Czyczuła, Włodzimierz. Eksploatacyjna stabilność drogi kolejowej. Kraków: Politechnika Krakowska, 1992.

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Klinov, S. I. Zheleznodorozhnyĭ putʹ na iskusstvennykh sooruzhenii͡a︡kh. Moskva: "Transport", 1990.

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Track planning for realistic operation: Prototype railroad concepts for your model railroad. Wyd. 3. Waukesha, WI: Kalmbach Pub. Co., 1998.

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National Research Council (U.S.). Transportation Research Board., red. Lateral track stability, 1991: Proceedings of a conference May 15-17, 1990, St. Louis, Missouri. Washington, D.C: Transportation Research Board, National Research Council, 1991.

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Institution of Civil Engineers (Great Britain), red. Track technology: Proceedings of a conference organized by the Institution of Civil Engineers and held at the University of Nottingham, 11-13 July 1984. London: T. Telford, 1985.

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Części książek na temat "Track"

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Weik, Martin H. "track". W Computer Science and Communications Dictionary, 1801. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_19798.

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Paczkowski, Walter R. "Track". W Deep Data Analytics for New Product Development, 191–237. First Edition. ∣ New York : Routledge, 2020. ∣ Includes bibliographical references and index.: Routledge, 2020. http://dx.doi.org/10.4324/9780429022777-7.

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Frühwirth, Rudolf, i Are Strandlie. "Track Finding". W Pattern Recognition, Tracking and Vertex Reconstruction in Particle Detectors, 81–102. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-65771-0_5.

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Streszczenie:
AbstractThere is no systematic theory of track finding yet. Therefore, the first section of this chapter presents a list of basic techniques which have been successfully used, stand-alone or in combination, in past and present experiments. Among them are the conformal transformation, the Hough and the Legendre transform, cellular automata and neural networks, pattern matching, and track following by the combinatorial Kalman filter. The following section gives a brief excursion into online or real-time track finding in the collider experiments CDF, ATLAS, and CMS. As track finding in most cases delivers some candidates that do not correspond to actual particle tracks, the concluding section discusses methods for an efficient selection of valid candidates.
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Schulkey, Curt. "Track Layouts and the Tracks Screen". W Getting to Work with the Avid S6, 133–47. New York: Routledge, 2021. http://dx.doi.org/10.4324/9781003111801-17.

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Koch, Wolfgang. "Aspects of Track-to-Track Fusion". W Tracking and Sensor Data Fusion, 107–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39271-9_6.

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Bennett, Richard, i Joseph E. Oliver. "The ‘on track, off track’ exercise". W Acceptance and Commitment Therapy, 234–36. Milton Park, Abingdon, Oxon ; New York, NY : Routledge, 2019.: Routledge, 2019. http://dx.doi.org/10.4324/9781351056144-100.

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Gladston, Paul. "Track Changes". W Chinese Contemporary Art Series, 105–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46488-5_12.

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Tzanakakis, Konstantinos. "Track Settlements". W Springer Tracts on Transportation and Traffic, 147–48. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36051-0_20.

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Tzanakakis, Konstantinos. "Track Drainage". W Springer Tracts on Transportation and Traffic, 157–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36051-0_23.

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Tzanakakis, Konstantinos. "Track Design". W Springer Tracts on Transportation and Traffic, 199–202. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36051-0_29.

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Streszczenia konferencji na temat "Track"

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Bar-Shalom, Y., i Huimin Chen. "Multisensor track-to-track association for tracks with dependent errors". W 2004 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601). IEEE, 2004. http://dx.doi.org/10.1109/cdc.2004.1428864.

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Bar-Shalom, Yaakov, i Huimin Chen. "Track-to-track association for tracks with features and attributes". W Optics & Photonics 2005, redaktor Oliver E. Drummond. SPIE, 2005. http://dx.doi.org/10.1117/12.614967.

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Böcker, Heinz-Dieter, i J. Herczeg. "Track---a trace construction kit". W the SIGCHI conference. New York, New York, USA: ACM Press, 1990. http://dx.doi.org/10.1145/97243.97318.

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Dong, Hai, Farookh Khadeer Hussain i Elizabeth Chang. "Project Track and Trace Ontology". W Second International Conference on Internet and Web Applications and Services (ICIW'07). IEEE, 2007. http://dx.doi.org/10.1109/iciw.2007.48.

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Altunkan, Serap Malcok, Alper Yasemin, Ismail Taha Aykac i Elgin Akpinar. "Turkish pharmaceuticals track & trace system". W 2012 7th International Symposium on Health Informatics and Bioinformatics (HIBIT). IEEE, 2012. http://dx.doi.org/10.1109/hibit.2012.6209037.

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Stephenson, M. J., i G. P. Hancke. "Self-contained track and trace using GPRS". W TENCON 2015 - 2015 IEEE Region 10 Conference. IEEE, 2015. http://dx.doi.org/10.1109/tencon.2015.7372995.

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Gong Peng, Zhao Cuirong i Ran Wei. "Customer orders for track and trace system". W 2011 6th International Conference on Pervasive Computing and Applications (ICPCA). IEEE, 2011. http://dx.doi.org/10.1109/icpca.2011.6106521.

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Song, Sunghak, Tak-kiel Shim i Ju-hyun Park. "Proxy based EPC Track&Trace Service". W 2006 IEEE International Conference on e-Business Engineering (ICEBE'06). IEEE, 2006. http://dx.doi.org/10.1109/icebe.2006.82.

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Zajic, Tim. "Probabilistic track-to-track association". W SPIE Defense + Security, redaktor Ivan Kadar. SPIE, 2015. http://dx.doi.org/10.1117/12.2177206.

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Novoselsky, Akiva, Shlomo E. Sklarz i Miya Dorfan. "Track to track fusion using out-of-sequence track information". W 2007 10th International Conference on Information Fusion. IEEE, 2007. http://dx.doi.org/10.1109/icif.2007.4408008.

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Raporty organizacyjne na temat "Track"

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Drobilisch, Sandor. Spiral track oven. Office of Scientific and Technical Information (OSTI), grudzień 1998. http://dx.doi.org/10.2172/761038.

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Burkhardt, P., R. Fowler i M. Moses. Balloon Track Data Analysis. Fort Belvoir, VA: Defense Technical Information Center, marzec 1987. http://dx.doi.org/10.21236/ada184750.

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Hutchinson, D. R. Along track ice conditions. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2012. http://dx.doi.org/10.4095/290250.

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Nowitzky, Albin M. Lightweight MBT Track Pin Development. Fort Belvoir, VA: Defense Technical Information Center, styczeń 1985. http://dx.doi.org/10.21236/ada396079.

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Karafiath, Leslie L. Dynamic Track-Terrain Interaction Model. Fort Belvoir, VA: Defense Technical Information Center, kwiecień 1988. http://dx.doi.org/10.21236/ada196031.

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Allan, James, Ben Carterette, Javed A. Aslam, Virgil Pavlu, Blagovest Dachev i Evangelos Kanoulas. Million Query Track 2007 Overview. Fort Belvoir, VA: Defense Technical Information Center, styczeń 2007. http://dx.doi.org/10.21236/ada477388.

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Kosenko, S. A., I. A. Kotova, I. V. Nikitin i I. K. Sokolovskiy. Railway track. Calculations and design. Siberian Transport University, grudzień 2021. http://dx.doi.org/10.12731/ofernio.2021.24935.2.

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Kosenko, S. A., I. A. Kotova, I. V. Nikitin i I. K. Sokolovskiy. Railway track. Calculations and design. OFERNIO, grudzień 2021. http://dx.doi.org/10.12731/ofernio.2021.24935.

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Doerry, Armin W. Cross-Track Stereo SAR Height Map. Office of Scientific and Technical Information (OSTI), wrzesień 2018. http://dx.doi.org/10.2172/1469444.

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Hall, Robert. Corporate Earnings Track the Competitive Benchmark. Cambridge, MA: National Bureau of Economic Research, grudzień 2003. http://dx.doi.org/10.3386/w10150.

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