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Journal articles on the topic 'Trailer for tractor'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Cole, D. J., and D. Cebon. "Influence of tractor—trailer interaction on assessment of road damaging performance." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 212, no. 1 (1998): 1–10. http://dx.doi.org/10.1243/0954407981525759.

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The influence of dynamic interaction between tractor and trailer on the assessment of the road damaging performance of heavy goods vehicles is investigated using simple mathematical models. Tractor and trailer damage indices are used to quantify the ‘in-service’ road damaging performance of a simulated fleet of vehicles with parametric variations typical of highway traffic in the United Kingdom. Simulated results of assessment tests on individual tractor—trailer combinations are correlated with the performance of the simulated vehicle fleet. The main aim is to establish the characteristics of

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2

Janulevičius, Algirdas, and Kazimieras Giedra. "THE SLIPPAGE OF THE DRIVING WHEELS OF A TRACTOR IN A CULTIVATED SOIL AND STUBBLE." TRANSPORT 24, no. 1 (2009): 14–20. http://dx.doi.org/10.3846/1648-4142.2009.24.14-20.

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The article analyses the relation between the slippage of driving wheels and the traction characteristics of a tractor. The indicators for estimating wheel slippage are a coefficient of tractor weight force utilization for driving wheel grip and a coefficient of the ratio of trailer and tractor mass. The dependencies of wheel slippage on the weight utilization coefficient of tractors and the ratio of trailer and tractor mass are overviewed. The presented and carried out analysis of the equations of weight utilization coefficient ϕ g determined its dependencies on rolling resistance coefficient

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3

Abu-Hamdeh, Nidal H., and Hamid F. Al-Jalil. "Computer simulation of stability and control of tractor-trailed implement combinations under different operating conditions." Bragantia 63, no. 1 (2004): 149–62. http://dx.doi.org/10.1590/s0006-87052004000100015.

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The mechanics of a tractor-trailer system moving up and down sloping ground under different operating conditions was theoretically simulated. A computer program was developed to analyze the system to predict the effect of both the trailer loading weight and the slope angle on the tractor stability, traction ability, and drawbar loading. The program was used to analyze a tractor-trailer system moving at uniform motion up and downhill. The results of this analysis showed that the tractor becomes unstable when towing a 3750 kg trailer uphill at 28° slope angle. Insufficient traction occurred at s

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4

Zhang, Qin, Yan Li, and Yoshitsugu Kamiya. "The Research and Simulation of Trajectory Generation Method for Tractor-Trailer Mobile Robot." Advanced Materials Research 139-141 (October 2010): 2121–25. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.2121.

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The tractor-trailer mobile robot (TTMR) is composed of a tractor and multiple trailers. It belongs to a typical nonholonomic, underactuated system. The general control theory can hardly be applied to this system. Because of the multi-body tractor-trailer mobile robot existence, the moving trajectory control is very complicated, especially backward path control becomes a difficult problem for this kind of robot control. This paper takes parking trajectory generation for example, makes tentativeness on tractor-trailer mobile robot to generate the trajectory based on Repeatedly Direct Kinematics

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5

Gangopadhyay, S., and F. R. Wilson. "Analysis of the braking performance of a tractor-trailer unit." Canadian Journal of Civil Engineering 22, no. 6 (1995): 1178–84. http://dx.doi.org/10.1139/l95-136.

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An analysis of the braking performance of a tractor-trailer unit is presented in this paper. The analysis revealed that there existed a wide variation in the ratio of braking force to vertical load values on each axle of the tractor-trailer. Braking efficiency was higher for the loaded condition than for an empty tractor-trailer. At all initial speeds, the trailer axles attained the maximum ratio of braking force to vertical load and were the first to lock up. Key words: highway, safety, heavy vehicles, braking performance, tractor-trailers.

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6

Nastasoiu, Mircea, and Nicolae Ispas. "Study on the Dynamic Interaction between Agricultural Tractor and Trailer during Braking Using Lagrange Equation." Applied Mechanics and Materials 659 (October 2014): 515–20. http://dx.doi.org/10.4028/www.scientific.net/amm.659.515.

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The paper elaborates a mathematical model in order to study the dynamics of tractor-trailer systems during braking. The braking dynamics is analyzed by considering two versions for the tractor’s braking system: 1) braking applied on the rear wheels and 2) braking applied on all four wheels. In both versions the trailer is braked on all wheels. This model enables us to determine the evolution of the following parameters: braking deceleration, braking forces, and force at the tractor-trailer hitch point. The authors present applications of the mathematical model elaborated on a tractor-trailer s

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7

Giedra, Kazimieras, and Algirdas Janulevičius. "TRACTOR BALLASTING IN FIELD TRANSPORT WORK." TRANSPORT 20, no. 4 (2005): 146–53. http://dx.doi.org/10.3846/16484142.2005.9638012.

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The article presents the investigation of the interaction of tractor traction force, mass, trailer and tractor mass ratio and wheel slippage. The analysis of the influence of ballast weight and wheel slippage on the fuel consumption under various field and road conditions was carried out. Wheel slippage dependence on the pull force, a weight force utilization coefficient and ratio of the mass of a trailer and tractor were stated and analyzed. The nomogram for operative selection of the optimal ballast weight and its location place is presented when instantaneous wheel slippage is known. The no

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8

Ritzen, Paul, Erik Roebroek, Nathan van de Wouw, Zhong-Ping Jiang, and Henk Nijmeijer. "Trailer Steering Control of a Tractor–Trailer Robot." IEEE Transactions on Control Systems Technology 24, no. 4 (2016): 1240–52. http://dx.doi.org/10.1109/tcst.2015.2499699.

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9

Yuan-yuan, Ren, Zheng Xue-lian, and Li Xian-sheng. "Handling Stability of Tractor Semitrailer Based on Handling Diagram." Discrete Dynamics in Nature and Society 2012 (2012): 1–16. http://dx.doi.org/10.1155/2012/350360.

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Handling instability is a serious threat to driving safety. In order to analyze the handling stability of a tractor semitrailer, a handling diagram can be used. In our research, considering the impact of multiple nonsteering rear axles and nonlinear characteristics of tires on vehicle handling stability, the handling equations are developed for description of stability of tractor semi-trailer. Then we obtain handling diagrams so as to study the influence of driving speed, loaded mass, and fifth wheel lead on vehicle handling stability. The analysis results show that the handling stability of a

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10

Jílek, L., R. Pražan, V. Podpěra, and I. Gerndtová. "The effect of the tractor engine rated power on diesel fuel consumption during material transport." Research in Agricultural Engineering 54, No. 1 (2008): 1–8. http://dx.doi.org/10.17221/710-rae.

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The authors of this paper determined in a field measurement how the change of the tractor engine power in a tractor-trailer combination affects the diesel fuel consumption related to the unit of transport output (l/tkm) and the transport performance (t/h) in the conditions of a mountainous region. Transport combinations (tractor – trailer) were compared that were formed by a tipping trailer connected to three tractors with different engine powers when passing allong a route with the gradient of 0°–5.5°. It is obvious from the results of these measurements that the diesel fuel consumption diffe

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11

Kushairi, Sahril, Reinhard Schmidt, Abdul Rahman Omar, Ahmad Azlan Mat Isa, and Khisbullah Hudha. "Tractor-trailer modelling and validation." International Journal of Heavy Vehicle Systems 21, no. 1 (2014): 64. http://dx.doi.org/10.1504/ijhvs.2014.057802.

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12

Скурятин, N. Skuryatin, Соловьев, and Evgeniy Solovev. "Determination of the limiting load on tractor hydromounting by trailer." Forestry Engineering Journal 4, no. 3 (2014): 269–73. http://dx.doi.org/10.12737/6302.

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Analysis of the known technical solutions for the additional loading of tractor from the trailer has shown that they are ineffective. Their ineffectiveness is the complexity of the design and construction of interfering in hydro-mounting construction of tractor or trailer hitch frame. Also, reasonable reloaded on tractor hydromounting is not provided. In order to avoid these shortcomings towing additional loading device to the trailer with a hydraulic cylinder mounted on the frame of the trailer rotatable carriage was suggested. The tests showed that the maximum additional loading of the tract

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13

Tung, Nguyen Thanh. "Setting up the braking force measurement system of the tractor semi-trailer." Engineering Solid Mechanics 9, no. 4 (2021): 415–24. http://dx.doi.org/10.5267/j.esm.2021.6.001.

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The braking force of the tractor semi-trailer depends on many random factors and road parameters. Therefore, determining the braking force based on theoretical calculation or simulation is not accurate. This paper presents the method of setting up the braking force measurement system of the tractor semi-trailer on the road and constructing the braking dynamics model of the tractor semi-trailer to investigate the braking force using Matlab-Simulink software. The study results show that the average error between the simulation and experimental results of the tractor semi-trailer braking force is

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14

Čupera, J., and T. Šmerda. "Influence of engine power and shifting mode on energy-performance parameters of tractor's set." Research in Agricultural Engineering 56, No. 2 (2010): 47–52. http://dx.doi.org/10.17221/29/2009-rae.

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The aim of the paper is to assess the impact of engine power and shifting mode on the parameters of a tractor used in transport operation. To meet the objective, measurements were performed with three tractors of the Case IH product line with different maximum power and with the same trailer and load that crossed a track with 21,8 km of distance. The record files saved following values: altitude, time of trip, tractor velocity, hour fuel consumption, engine speed, actual engine torque, fuel temperature, and position. The measurement results clearly show the unsuitability of aggregation of a tr

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15

Ibragimov, E. V. "IMPROVING THE RELIABILITY OF TRAILED DUMP VEHICLES." AGRO-INDUSTRIAL TECHNOLOGIES OF THE CENTRAL RUSSIA 2, no. 21 (2021): 89–96. http://dx.doi.org/10.24888/2541-7835-2021-20-89-96.

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Increasing the productivity and efficiency of agricultural cargo transportation in the agro-industrial complex of the Russian Federation is achieved through the use of tractor trains consist-ing of tractors and trailer links, the main of which are trailers. This method allows you to ensure the quality and safety of agricultural goods, as well as reduce the cost of transportation. During the analysis of the known designs of tractor-trailer dump trailers, it was revealed that a character-istic drawback is the imperfection of the design of the locking elements of the platforms designed to fix the

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16

Zhou, Shu Wen, Si Qi Zhang, and Guang Yao Zhao. "Jackknife Control on Tractor Semi-Trailer during Emergency Braking." Advanced Materials Research 299-300 (July 2011): 1303–6. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.1303.

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Emergency braking on a low coefficient of friction or split-mu road surface, the semi-trailer may push the tractor from behind until it spins round and faces backwards, and a jackknife accident occurs. In this paper, the tractor semi-trailer kinematics was analyzed and a 3-dof of tractor semi-trailer model was used to design a state observer to estimate the articulation angle. To avoid a jackknife, the four-channel ABS which can produce maximum braking force will be switch to three-channel ABS according the estimated articulation angle. The virtual prototyping simulation results show that the

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17

Lund, Adrian K., David F. Preusser, Richard D. Blomberg, and Allan F. Williams. "Drug Use by Tractor-Trailer Drivers." Journal of Forensic Sciences 33, no. 3 (1988): 12474J. http://dx.doi.org/10.1520/jfs12474j.

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18

Beilock, Richard. "Schedule Tightness Among Tractor-Trailer Drivers." Traffic Injury Prevention 4, no. 2 (2003): 105–12. http://dx.doi.org/10.1080/15389580309869.

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19

Zhou, Shu Wen, Si Qi Zhang, and Guang Yao Zhao. "Stability Control on Tractor Semi-Trailer during Split-Mu Braking." Advanced Materials Research 230-232 (May 2011): 549–53. http://dx.doi.org/10.4028/www.scientific.net/amr.230-232.549.

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Handling behaviour of articulated vehicles combination is more complex and less predictable than that of non-articulated vehicles. It is usually difficult for drivers to maneuver a tractor semi-trailer during high speed emergency braking on split-mu road surface. Braking on this type of road surface, the conventional anti-lock braking systems will cause the vehicle deviate from the desired direction, or overmuch stopping distance. In this paper, a 3-dof of tractor semi-trailer model was used to produce desired yaw rates which were compared with actual yaw rates. An active front steering contro

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20

Saakian, Alexander. "Results of comparative experimental studies of turning conditions of tractor trains and observance of the width of the transport corridor." АгроЭкоИнфо 3, no. 45 (2021): 20. http://dx.doi.org/10.51419/20213320.

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Improving the efficiency of using tractor-transport units (tractor trains) in the central agricultural zone of the Amur Region is an economically important issue, especially relevant for small peasant farms. This is due to the fact that in such farms the area of fields occupied for the cultivation of agricultural crops is relatively small, while most of them belong to the category of slope lands. It was also found that during the periods of sowing and harvesting operations, traffic on agricultural roads is hampered by safety conditions due to regional climatic features, which include a large a

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21

Li, Hongqi, Yue Lu, Jun Zhang, and Tianyi Wang. "Solving the Tractor and Semi-Trailer Routing Problem Based on a Heuristic Approach." Mathematical Problems in Engineering 2012 (2012): 1–12. http://dx.doi.org/10.1155/2012/182584.

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We study the tractor and semi-trailer routing problem (TSRP), a variant of the vehicle routing problem (VRP). In the TSRP model for this paper, vehicles are dispatched on a trailer-flow network where there is only one main depot, and all tractors originate and terminate in the main depot. Two types of decisions are involved: the number of tractors and the route of each tractor. Heuristic algorithms have seen widespread application to various extensions of the VRP. However, this approach has not been applied to the TSRP. We propose a heuristic algorithm to solve the TSRP. The proposed heuristic

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22

Gómez-Bravo, F., F. Cuesta, and A. Ollero. "AUTONOMOUS TRACTOR-TRAILER BACK-UP MANOEUVERING BASED ON CHANGING TRAILER ORIENTATION." IFAC Proceedings Volumes 38, no. 1 (2005): 301–6. http://dx.doi.org/10.3182/20050703-6-cz-1902.01320.

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23

Posmetev, Valeriy, Vadim Nikonov, Viktor Posmetev, and Vladimir Zelikov. "MODELING THE OPERATION OF A RECUPERATIVE SPRING-HYDRAULIC FIFTH-WHEEL COUPLING LOCATED IN THE SEMITRAILER OF LUMBER TRUCK." Forestry Engineering Journal 11, no. 2 (2021): 133–48. http://dx.doi.org/10.34220/issn.2222-7962/2021.2/13.

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The substantiation of the necessity of using timber trucks, consisting of timber tractors with semi-trailers, when transporting timber, is given. Attention is focused on improving the efficiency of the functioning of log trucks by con-structive improvement of the fifth-wheel couplings used in them. The analysis of scientific works of foreign scientists engaged in the study of the influence of fifth- wheel coupling on the efficiency of log trucks is carried out. A promising scheme of a recuperative spring-hydraulic fifth-wheel coupling, located in the front part of the semi-trailer frame of a t

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24

ITO, Nobuaki, Hiroyuki OKUDA, and Tatsuya SUZUKI. "Model predictive driving for tractor-trailer system with omni-directional tractor." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2020 (2020): 1A1—G06. http://dx.doi.org/10.1299/jsmermd.2020.1a1-g06.

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25

Xu, Hongguo, Hongfei Liu, and Jinsong Dong. "Research Overview on Tractor-Trailer Lateral Stability." Journal of Highway and Transportation Research and Development (English Edition) 1, no. 1 (2006): 100–106. http://dx.doi.org/10.1061/jhtrcq.0000153.

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26

Odhams, A. M. C., R. L. Roebuck, B. A. Jujnovich, and D. Cebon. "Active steering of a tractor–semi-trailer." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 225, no. 7 (2011): 847–69. http://dx.doi.org/10.1177/0954407010395680.

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27

Wei, Chao Yi, Xu Guang Li, Mei Zhi Xie, and Feng Yan Yi. "Soft Measurement Technology for Tractor-Semi Trailer." Applied Mechanics and Materials 494-495 (February 2014): 821–24. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.821.

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A three degree of freedom vehicle dynamic model of a tractor semi trailer is established and a simulation mode is set up with the Matlab/simulink software. Then, design a Kalman state estimator, using easily measured parameters to estimate the tractor side slip angle, trailer yaw rate those are difficult measured or measuring in high cost; the simulation show that: the estimated value coming from estimator agree well with the simulation measurements, and can improve the estimation accuracy by adjusting the process noise covariance matrix and measurement noise covariance matrix.

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28

Jones, Ian S., and Howard S. Stein. "Defective equipment and tractor-trailer crash involvement." Accident Analysis & Prevention 21, no. 5 (1989): 469–81. http://dx.doi.org/10.1016/0001-4575(89)90007-9.

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29

Khalaji, Ali Keymasi, and S. Ali A. Moosavian. "Stabilization of a tractor-trailer wheeled robot." Journal of Mechanical Science and Technology 30, no. 1 (2016): 421–28. http://dx.doi.org/10.1007/s12206-015-1246-z.

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30

Mikhailov, A. V., A. I. Zhigulskaya, and YA Kasakov. "Modeling of peat tractor semi-trailer motion." IOP Conference Series: Materials Science and Engineering 1061, no. 1 (2021): 012026. http://dx.doi.org/10.1088/1757-899x/1061/1/012026.

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31

Zhou, Shuwen, and Siqi Zhang. "Study on Tractor Semi-Trailer Roll Stability Control." Open Mechanical Engineering Journal 8, no. 1 (2014): 238–42. http://dx.doi.org/10.2174/1874155x01408010238.

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The rollover accidents in the tractor semi-trailer are often fatal and many factors could cause the tractor semi-trailer rollover. In this paper, a rollover prevention control method was proposed based on real-time calculation of rollover index. The vehicle Center of Gravity (CG) height from the ground is an important parameter in the rollover index and it is estimated through lateral acceleration sensor and suspension deflection sensors. Comparing the rollover index with the preset threshold, the differential braking will be applied to corresponding wheels once the trigger conditions are met.

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32

Yang, Xiujian, Juntao Song, and Jin Gao. "Fuzzy Logic Based Control of the Lateral Stability of Tractor Semitrailer Vehicle." Mathematical Problems in Engineering 2015 (2015): 1–16. http://dx.doi.org/10.1155/2015/692912.

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A novel control scheme is proposed to improve the yaw stability of a tractor semitrailer vehicle in critical situations. The control scheme is a two-layer structure consisting of an upper yaw moment controller and a lower brake force distributor. The tractor and the trailer are, respectively, stabilized by two independent fuzzy logic based yaw moment controllers. The controllers for the tractor and the trailer are, respectively, designed to track the reference yaw rate of the tractor and the hitch angle between the tractor and the trailer while considering the variation of the hitch angular ra

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33

Zhang, H. W., H. Zhang, and J. Q. Yang. "Passing Ability Evaluation and Impact Factors Analysis of Articulated Vehicle with 6×4 Tractor." Applied Mechanics and Materials 743 (March 2015): 463–66. http://dx.doi.org/10.4028/www.scientific.net/amm.743.463.

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Passing Ability of articulated vehicles is tested and analyzed, which are combined of different 6×4 tractors and different loaded semitrailers. Test methods and test procedure is designed and developed. 90 times of test data are collected in ‘3rd Swap Trailer Transport Recommended Vehicles Test’. Articulated vehicles are combined of 25 different 6×4 tractors and 21 different loaded semitrailers. Test data are statistically analyzed and passing ability is evaluated according to the requirements of GB 1589-2004. Linear regression is used to study how tractor front overhang, distance between cent

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34

Chen, Luwei, Hao Wu, Qin Fang, and Tao Zhang. "Numerical analysis of collision between a tractor-trailer and bridge pier." International Journal of Protective Structures 9, no. 4 (2018): 484–503. http://dx.doi.org/10.1177/2041419618775124.

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Accidents involving collisions of heavy-duty trucks with highway bridge piers occurred occasionally, in which the bridge piers might be subjected to severe damage, and cause the collapse of the superstructure due to the loss of axial loading capacity. The existing researches are mostly concentrated on the light- or medium-duty trucks. This article mainly concerns about the collisions between the heavy-duty trucks (e.g. tractor-trailer) and bridge piers as well as the evaluation of the impact force. First, by modifying the finite element model of Ford F800 single-unit truck, which was developed

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35

Tian, Jie, Qingkang Zeng, Peng Wang, and Xiaoqing Wang. "Active steering control based on preview theory for articulated heavy vehicles." PLOS ONE 16, no. 5 (2021): e0252098. http://dx.doi.org/10.1371/journal.pone.0252098.

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This paper investigates the active steering control of the tractor and the trailer for the articulated heavy vehicle (AHV) to improve its high-speed lateral stability and low-speed path following. The four-degree-of-freedom (4-DOF) single track dynamic model of the AHV with a front-wheel steered trailer is established. Considering that the road information at the driver’s focus is the most clear and those away from the focus blurred, a new kind controller based on the fractional calculus, i.e., a focus preview controller is designed to provide the steering input for the tractor to make it trav

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36

Khalaji, Ali Keymasi. "PID-based target tracking control of a tractor-trailer mobile robot." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 13 (2019): 4776–87. http://dx.doi.org/10.1177/0954406219830438.

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The tractor-trailer wheeled robot is an articulated nonholonomic vehicle. This paper presents a novel PID-based tracking control law for the tractor-trailer wheeled robot. Theoretical anticipations do not always match the behavior of real systems. This is as a result of the existence of various uncertainties and disturbances. Consequently, controllers that are less dependent on systems' theoretical models are more desirable that is aimed at this research. Therefore, a PID-based kinematic controller is proposed as a non-model based controller to navigate the tractor-trailer wheeled robot follow

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Janulevičius, Algirdas, and Kazimieras Giedra. "THE EVALUATION OF BRAKING EFFICIENCY OF TRACTOR TRANSPORT AGGREGATE." TRANSPORT 17, no. 4 (2002): 152–58. http://dx.doi.org/10.3846/16483840.2002.10414033.

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The theoretical investigation of the braking process of a tractor transport aggregate is carried out. The influence of the mass of machines on the efficiency ofbraking is set. The dependencies of forces acting the coupler on the trailer and tractor ratio of masses ( λ c ), and on the difference of ratios of the brekable and whole masses of a trailer and tractor (λp -λt), are presented. The nomogram for operative set and the selection of the main braking parameters of various tractor transpm1s aggregates were established. With the help of the nomogram it is possible to set: braking efficiency,

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38

Chung, Woodam, and John Sessions. "Uphill and Downhill Gradeability of Log Trucks with Short Log Trailers." Western Journal of Applied Forestry 19, no. 2 (2004): 88–94. http://dx.doi.org/10.1093/wjaf/19.2.88.

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Abstract The use of cut-to-length systems has increased the use of short log truck and trailers in the western United States and elsewhere. The equations for uphill and downhill gradeability for loaded short log truck and trailer units are derived under conditions of nonturning motion. A sensitivity analysis shows both uphill and downhill gradeability of the short log truck and trailer is highly affected by the load distribution and is also affected by the angle of the tongue between the tractor and trailer. West. J. Appl. For. 19(2):88–94.

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39

Kumar, Sonu, Prabhanjan K. Pranav, and Anubhab Pal. "Effect of hitch distance on haulage performance for 2WD tractors: A theoretical analysis." Spanish Journal of Agricultural Research 18, no. 2 (2020): e0203. http://dx.doi.org/10.5424/sjar/2020182-15296.

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Aim of study: A computer program was developed in Visual Basic 10 environment for predicting the haulage performance of 2WD tractors using various empirical and theoretical equations.Methodology: Three types of inputs related to tractor, trailer and operating parameters were used to calculate the performance parameters through empirical and theoretical equations. The performance parameters included mainly draft, slip, transport efficiency, transport productivity, fuel economy index, rear and front axle dynamic weight, etc. The program was used to evaluate the haulage performance by varying hit

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40

Dhafir, Muhammad, Tineke Mandang, Wawan Hermawan, and Muhammad Faiz Syuaib. "Ergonomic Design of Trailer Hitching System for Two Wheel Tractor." Jurnal Keteknikan Pertanian 07, no. 1 (2019): 99–106. http://dx.doi.org/10.19028/jtep.07.1.99-106.

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41

Potter, T. E. C., D. Cebon, and D. J. Cole. "Review Paper: Assessing ‘road-friendliness’: A review." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 211, no. 6 (1997): 455–75. http://dx.doi.org/10.1243/0954407971526588.

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This paper is concerned with assessing the dynamic tyre forces generated by articulated heavy goods vehicles for road damaging potential. Various factors are discussed, including: (a) general testing methodologies; (b) road damage issues such as ‘spatial repeatability’ of dynamic tyre forces and road damage criteria; (c) vehicle response issues, such as test duration and sampling details, road roughness, testing speed, wheel-base filtering, tractor—trailer interaction, suspension maintenance and ‘indirect’ testing methods; and (d) implementation issues. It is concluded that the most practical

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42

Zhang, Qianwen, Chuqi Su, Yi Zhou, Chengcai Zhang, Jiuyang Ding, and Yiping Wang. "Numerical Investigation on Handling Stability of a Heavy Tractor Semi-Trailer under Crosswind." Applied Sciences 10, no. 11 (2020): 3672. http://dx.doi.org/10.3390/app10113672.

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Due to the large lateral area of the trailer and variable road conditions, the handling stability of a heavy tractor semi-trailer under crosswind is very important for road safety. In this present work, numerical simulation is performed to study the crosswind effects on handling stability of a tractor semi-trailer. The aerodynamic characteristics of the tractor semi-trailer under different crosswind were computed by computational fluid dynamics (CFD). Then, mathematical models to reveal the relationship between the aerodynamic forces and crosswind were constructed to serve as inputs of the mul

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43

Smith, Jeff, Rick Mihelic, Brandon Gifford, and Matthew Ellis. "Aerodynamic Impact of Tractor-Trailer in Drafting Configuration." SAE International Journal of Commercial Vehicles 7, no. 2 (2014): 619–25. http://dx.doi.org/10.4271/2014-01-2436.

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YUAN, Jing, Ya-Lou HUANG, and Feng-Chi SUN. "Stabilization of Multi-steering Tractor-trailer Mobile Robot." Acta Automatica Sinica 37, no. 4 (2011): 471–79. http://dx.doi.org/10.3724/sp.j.1004.2011.00471.

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Roy, Christopher J., Jeffrey Payne, and Mary McWherter-Payne. "RANS Simulations of a Simplified Tractor/Trailer Geometry." Journal of Fluids Engineering 128, no. 5 (2006): 1083–89. http://dx.doi.org/10.1115/1.2236133.

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Steady-state Reynolds-averaged Navier-Stokes (RANS) simulations are presented for the three-dimensional flow over a simplified tractor/trailer geometry at zero degrees yaw angle. The simulations are conducted using a multi-block, structured computational fluid dynamics (CFD) code. The turbulence closure model employed is the two-equation Menter k-ω model. The discretization error is estimated by employing two grid levels: a fine mesh of 20 million cells and a coarser mesh of 2.5 million cells. Simulation results are compared to experimental data obtained at the NASA-Ames 7×10ft wind tunnel. Qu

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Pradalier, Cédric, and Kane Usher. "Robust trajectory tracking for a reversing tractor trailer." Journal of Field Robotics 25, no. 6-7 (2008): 378–99. http://dx.doi.org/10.1002/rob.20241.

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DeSantis, R. M. "Path-tracking for a Tractor-Trailer-like Robot." International Journal of Robotics Research 13, no. 6 (1994): 533–44. http://dx.doi.org/10.1177/027836499401300606.

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Hertz, Robin P. "Hours of service violations among tractor-trailer drivers." Accident Analysis & Prevention 23, no. 1 (1991): 29–36. http://dx.doi.org/10.1016/0001-4575(91)90032-z.

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Shermukhamedov, Abdulaziz, Nurillo Ergashev, and Abdukhamid Azizov. "Substantiating parameters brake system of the tractor trailer." E3S Web of Conferences 264 (2021): 04019. http://dx.doi.org/10.1051/e3sconf/202126404019.

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The article discusses substantiating the parameters brake system of a tractor-trailer (TT). The section offers a comparative analysis of theoretical and experimental studies of the TT brake drive and the parameters of its elements. Based on that, ordinary differential equations were solved by the Runge - Kutta method, the first-order accuracy (Euler's method). To solve partial differential equations, we used a modified Lax - Wendroff scheme. The results were obtained using the methods described above are theoretically very consistent with the triggering time ts = 0.47 s and the experimental va

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Kushnarev, Aleksey, Sergey Schitov, and Evgeniy Kuznetsov. "STUDY OF ROTATION KINEMATICS OF MULTI-LINK TRACTOR AND TRANSPORTATION UNITS WITH DEVICES CORRECTING THE WIDTH OF THE TRANSPORTATION CORRIDOR." Tekhnicheskiy servis mashin 1, no. 142 (2021): 65–71. http://dx.doi.org/10.22314/2618-8287-2020-59-1-65-71.

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The efficiency of the tractor-transport unit is largely due to its mobility, which in turn depends on many interrelated factors, such as handling, stability of movement and agility. One of the most important factors is the turnability, which ensures the ability of the tractor-transport unit to perform curved movement efficiently and safely. (Research purpose) The research purpose is in increasing the efficiency of the tractor-transport unit by using multi-link tractor trains. (Materials and methods) The main deterrent to the use of multi-link tractor trains in the Russian Federation is the inc

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