Готові списки джерел за темами / Dynamics of braking

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Добірка наукової літератури з теми "Dynamics of braking"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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Статті в журналах з теми "Dynamics of braking"

Wan, Ying, Li Mai, and Zhi Gen Nie. "Dynamic Modeling and Analysis of Tank Vehicle under Braking Situation." Advanced Materials Research 694-697 (May 2013): 176–80. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.176.

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Considering the instability of the direction dynamics of tank vehicle system under braking maneuver, the longitudinal equivalent model of liquid was formulated with consideration of both the steady-state and the transient state dynamics of the liquid. The Matlab/simulink program of the liquid was built and was combined with the vehicle model in Trucksim software to simulate and analyze the motion of the liquid cargo centroid and its dynamical effects on the vehicle under braking maneuver. It is observed that the liquid cargo slosh motion in tank vehicles has significant influences on braking performance, pitch motion and perpendicular motion of the vehicle. The results of this paper have significant help for studies on dynamics of vehicle tankers under braking maneuver and ensurement of braking stability and security.

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Yan, Yan, Xu Chen, Wenzhe Wang, Peng Hang, Haishan Chen, and Jinbo Liu. "Research on braking dynamics of multi-axle vehicle." Journal of Physics: Conference Series 2246, no. 1 (April 1, 2022): 012019. http://dx.doi.org/10.1088/1742-6596/2246/1/012019.

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Abstract Braking dynamics is an important part of longitudinal dynamics. Through the analysis of braking performance of multi-axle vehicles, we can deepen our understanding of longitudinal dynamics. Starting from the braking dynamics analysis of the whole vehicle, this paper proposes to establish the braking dynamics model of multi-axle vehicle by using the suspension deformation coordination equation, so as to calculate the general calculation formula of ground reaction force of multi-axle vehicle when braking. The brake force distribution of 4-axle brake is analyzed to verify its rationality and provide basis for multi-axle brake design.

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Wang, Guo Ye, Lu Zhang, Guo Yan Chen, and Zhong Fu Zhang. "EBD Control Research on Bisectional Roads for Electric Vehicles on Energy Regenerative and Feedback Friction Integrated Braking." Applied Mechanics and Materials 229-231 (November 2012): 2327–33. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.2327.

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Project the integrated braking system for electric vehicles based on in-wheel motor and friction brake. Set up the integrated system dynamic model based on energy regenerative and feedback friction integrated braking. Come up with EBD control strategy on bisectional roads based on ABS system. Establish the dynamics simulation system and EBD control simulation system for the electric vehicles with the integrated braking system based on Matlab/Simulink. Simulate and analyze EBD control performance of the integrated braking system on bisectional road straight condition aimed at Chery A3 sedan. The study results indicate that the EBD control performance of electric vehicle with the integrated braking system has a high braking energy recovery ratio, braking efficiency and braking stability.

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Anderson, Jeffery R., John Adcox, Beshah Ayalew, Mike Knauff, Tim Rhyne, and Steve Cron. "Interaction of a Slip-Based Antilock Braking System with Tire Torsional Dynamics." Tire Science and Technology 43, no. 3 (September 1, 2015): 182–94. http://dx.doi.org/10.2346/tire.15.430303.

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ABSTRACT This paper presents simulation and experimental results that outline the interaction between a tire's torsional dynamic properties and antilock braking system (ABS) during a hard braking event. Previous work has shown the importance of the coupled dynamics of the tire's belt, sidewall, and wheel/hub assembly on braking performance for a wheel acceleration-based ABS controller. This work presents findings based on a proprietary slip-based ABS controller. A comprehensive system model including tire torsional dynamics, dynamics of the tread–ground friction (LuGre friction model), and dominant brake system hydraulic dynamics was developed for simulation studies on this slip-based controller. Results from key sensitivity studies of tire torsional parameters are presented along with experimental results obtained on a quarter car braking test rig. In this work, it was found that within a reasonable tire design space (with respect to tire torsional properties), the ABS algorithm tested was extremely robust to changing these parameters. The main conclusion of this result is that when a consumer replaces his or her tires with different (than original equipment) tires, there should be little effect on braking performance.

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Xia, Rong-xia, De-hua Wu, Jie He, Ya Liu, and Deng-feng Shi. "A New Model of Stopping Sight Distance of Curve Braking Based on Vehicle Dynamics." Discrete Dynamics in Nature and Society 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/4260705.

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Compared with straight-line braking, cornering brake has longer braking distance and poorer stability. Therefore, drivers are more prone to making mistakes. The braking process and the dynamics of vehicles in emergency situations on curves were analyzed. A biaxial four-wheel vehicle was simplified to a single model. Considering the braking process, dynamics, force distribution, and stability, a stopping sight distance of the curve braking calculation model was built. Then a driver-vehicle-road simulation platform was built using multibody dynamic software. The vehicle test of brake-in-turn was realized in this platform. The comparison of experimental and calculated values verified the reliability of the computational model. Eventually, the experimental values and calculated values were compared with the stopping sight distance recommended by the Highway Route Design Specification (JTGD20-2006); the current specification of stopping sight distance does not apply to cornering brake sight distance requirements. In this paper, the general values and limits of the curve stopping sight distance are presented.

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Guan, Hsin, Chun Guang Duan, and Ping Ping Lu. "Subjective Evaluation of Braking System and Dynamics Analysis." Applied Mechanics and Materials 644-650 (September 2014): 76–80. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.76.

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Subjective evaluation of the braking based on the people's feelings. When braking, the response of vehicle and the convenience of brake determines the driving safety and comfort. Research major vehicle company's subjective evaluation of braking system, and summarize large numbers of projects into tactile indicators, somatosensory indicators, and braking performance three evaluation projects in accordance with the people's subjective feelings. Through sorting, the loads of evaluation can be reduced when evaluation for subjective driver. To analysis of typical index by dynamics methods to find the reasons of negative phenomena, so provides the design basis of the brake system for meet the subjective feelings.

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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 system used for transportation works.

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Di Loreto, C., J. Dutschke, M. Forrest, A. Van Den Berg, J. Chardonnet, F. Mérienne, J. Mackenzie, and B. Sandoz. "Head dynamics during emergency braking events." Computer Methods in Biomechanics and Biomedical Engineering 22, sup1 (October 3, 2019): S224—S226. http://dx.doi.org/10.1080/10255842.2020.1714249.

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Cruceanu, Cătălin, and Camil Ion Crăciun. "About Longitudinal Dynamics of Classical Passenger Trains during Braking Actions." Applied Mechanics and Materials 378 (August 2013): 74–81. http://dx.doi.org/10.4028/www.scientific.net/amm.378.74.

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There are presented and analyzed specific aspects regarding the main mechanic and pneumatic issues determining the in-train dynamic forces developed during braking actions. Particularities in case of passenger trains are highlighted, with the aim of proving that even in the case of short trains, fitted with UIC type P braking system, longitudinal dynamics can cause significant reactions whose effect cannot be neglected, both in terms of traffic safety and comfort. Numerical examples presented stand for this.

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Zhou, Yaoqun, Frank Gauterin, Hans-Joachim Unrau, and Michael Frey. "Experimental Study of Tire-Wheel-Suspension Dynamics in Rolling over Cleat and Abrupt Braking Conditions." Tire Science and Technology 43, no. 1 (April 1, 2015): 42–71. http://dx.doi.org/10.2346/tire.15.430102.

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ABSTRACT The braking performance of recent vehicles is controlled by the interaction between the antilock braking system (ABS) and the transmitted force between road and tire. Because of tire and suspension elasticity, an abrupt braking or the ABS regulation initiates tire belt and wheel axle oscillations, which lead to a closed loop of acceleration and force transmission in the tire-wheel-suspension assembly in both translational and rotational directions. As a result, the oscillation of wheel slip and wheel load can influence the force transmission potential in the contact patch and thus the braking distance as well. The objective of the presented study is to investigate the influence of the tire-wheel-suspension dynamics on the force transmission potential between tire and road. To obtain acceleration and force dynamics in the tire-wheel-suspension assembly without inducing the influence from other vehicle components, a McPherson suspension was isolated from a real car and adapted to the inner drum test bench at the Karlsruhe Institute of Technology, Institute of Vehicle System Technology. After mounting different tires, measurements were carried out under various driving conditions. First, tire measurements with a measuring hub were done on the test bench to obtain both quasistatic characteristics and dynamic response in rolling over cleat. Second, different tire-wheel-suspension assemblies were driven on the test bench while the wheel brake was initiated by a hydraulic braking system based on a modified ESP control unit. This modified unit allows generation of abrupt braking pressure slopes by a direct control of the valves. The accelerations of different wheel-suspension components and forces in the links were measured. In this article, the experimental study of the dynamics of a run-flat and a standard tire and their respective coupled assembly with the suspension excited by rolling over cleat and abrupt braking is presented. After a description of the experimental setup, the results of tire-wheel-suspension dynamics of two different tires will be analyzed, interpreted, and compared. Furthermore, a simulation model of the tire-wheel-suspension assembly with the FTire model and dynamic models of suspension components will be built up.

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Дисертації з теми "Dynamics of braking"

Ahmad, Husain Abdulrahman. "Dynamic Braking Control for Accurate Train Braking Distance Estimation under Different Operating Conditions." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/19322.

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The application of Model Reference Adaptive Control (MRAC) for train dynamic braking is investigated in order to control dynamic braking forces while remaining within the allowable adhesion and coupler forces. This control method can accurately determine the train braking distance. One of the critical factors in Positive Train Control (PTC) is accurately estimating train braking distance under different operating conditions. Accurate estimation of the braking distance will allow trains to be spaced closer together, with reasonable confidence that they will stop without causing a collision. This study develops a dynamic model of a train consist based on a multibody formulation of railcars, trucks (bogies), and suspensions. The study includes the derivation of the mathematical model and the results of a numerical study in Matlab. A three-railcar model is used for performing a parametric study to evaluate how various elements will affect the train stopping distance from an initial speed. Parameters that can be varied in the model include initial train speed, railcar weight, wheel-rail interface condition, and dynamic braking force. Other parameters included in the model are aerodynamic drag forces and air brake forces.
An MRAC system is developed to control the amount of current through traction motors under various wheel/rail adhesion conditions while braking. Minimizing the braking distance of a train requires the dynamic braking forces to be maximized within the available wheel/rail adhesion. Excessively large dynamic braking can cause wheel lockup that can damage the wheels and rail. Excessive braking forces can also cause large buff loads at the couplers. For DC traction motors, an MRAC system is used to control the current supplied to the traction motors. This motor current is directly proportional to the dynamic braking force. In addition, the MRAC system is also used to control the train speed by controlling the synchronous speed of the AC traction motors. The goal of both control systems for DC and AC traction motors is to apply maximum available dynamic braking while avoiding wheel lockup and high coupler forces. The results of the study indicate that the MRAC system significantly improves braking distance while maintaining better wheel/rail adhesion and coupler dynamics during braking. Furthermore, according to this study, the braking distance can be accurately estimated when MRAC is used. The robustness of the MRAC system with respect to different parameters is investigated, and the results show an acceptable robust response behavior.

Ph. D.

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He, Junjie. "Integrated vehicle dynamics control using active steering, driveline and braking." Thesis, University of Leeds, 2005. http://etheses.whiterose.ac.uk/979/.

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This thesis investigates the principle of integrated vehicle dynamics control through proposing a new control configuration to coordinate active steering subsystems and dynamic stability control (DSC) subsystems. The active steering subsystems include Active Front Steering (AFS) and Active Rear Steering (ARS); the dynamic stability control subsystems include driveline based, brake based and driveline plus brake based DSC subsystems. A nonlinear vehicle handling model is developed for this study, incorporating the load transfer effects and nonlinear tyre characteristics. This model consists of 8 degrees of freedom that include longitudinal, lateral and yaw motions of the vehicle and body roll motion relative to the chassis about the roll axis as well as the rotational dynamics of four wheels. The lateral vehicle dynamics are analysed for the entire handling region and two distinct control objectives are defined, i.e. steerability and stability which correspond to yaw rate tracking and sideslip motion bounding, respectively. Active steering subsystem controllers and dynamic stability subsystem controller are designed by using the Sliding Mode Control (SMC) technique and phase-plane method, respectively. The former is used as the steerability controller to track the reference yaw rate and the latter serves as the stability controller to bound the sideslip motion of the vehicle. Both stand-alone controllers are evaluated over a range of different handling regimes. The stand-alone steerability controllers are found to be very effective in improving vehicle steering response up to the handling limit and the stand-alone stability controller is found to be capable of performing the task of maintaining vehicle stability at the operating points where the active steering subsystems cannot. Based on the two independently developed stand-alone controllers, a novel rule based integration scheme for AFS and driveline plus brake based DSC is proposed to optimise the overall vehicle performance by minimising interactions between the two subsystems and extending functionalities of individual subsystems. The proposed integrated control system is assessed by comparing it to corresponding combined control. Through the simulation work conducted under critical driving conditions, the proposed integrated control system is found to lead to a trade-off between stability and limit steerability, improved vehicle stability and reduced influence on the longitudinal vehicle dynamics.

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Deng, Jiantao. "Adaptation of A TruckSim Model to Experimental Heavy Truck Hard Braking Data." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1259633762.

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Handoko, Yunendar Aryo, and yunendar@inka web id. "INVESTIGATION OF THE DYNAMICS OF RAILWAY BOGIES SUBJECTED TO TRACTION / BRAKING TORQUE." Central Queensland University. Centre for Railway Engineering, 2006. http://library-resources.cqu.edu.au./thesis/adt-QCQU/public/adt-QCQU20070209.101959.

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The limitations of current simulation packages in addressing the true longitudinal behaviour of railway bogie dynamics during braking/traction has prompted the development of a Rail Bogie Dynamics (RBD) program in this thesis. The RBD program offers novel features for the calculation of the speed profile as a function of the brake torque as well as explicitly determining wheelset angular velocity. With such capability, the speed profile is no longer treated as an input calculated as a priori as required by most of the current simulation systems. The RBD program has been developed using a formulation that includes the wheelset pitch degree of freedom explicitly with a coordinate reference system that is fixed in space and time. The formulation has made the simulation of the bogie dynamics during braking/traction possible in a natural way using the brake/traction torque as the input and the resulting speed profile as the output without any need for working out the speed profile as a priori. Consequently, severe dynamics during braking such as the wheelset skid and the onset of wheel climb derailment can be modelled and critical parameters investigated using the RBD program. The RBD program has been validated, where possible, through a series of simulations using a commercial software package (VAMPIRE). For cases which cannot be simulated by VAMPIRE such as the wheelset skid, a novel experimental program has been designed and commissioned in the Heavy Testing Laboratory of the Central Queensland University as reported in this thesis. One of the possible applications of the RBD program in examining the effect of asymmetric brake shoe force in bogies equipped with one-side push brake shoe arrangement is illustrated in this thesis. It is believed that the model and RBD program will have significant benefit in understanding the true longitudinal behaviour of wagons in suburban passenger trains that operate under braking/ traction torques for most of their travel. Similar studies will also be useful to freight train wagon dynamics during entry and exit of speed restriction zones and tight curves.

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Jaiswal, Manish. "The interaction of tyre and anti-lock braking in vehicle transient dynamics." Thesis, Loughborough University, 2009. https://dspace.lboro.ac.uk/2134/15201.

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The thesis presents an intermediate modelling approach to study transient behaviour of vehicle systems, with emphasis put on simplified yet accurate representation of important system elements. A representative non-linear vehicle model is developed in MA TLAB/Simulink environment, where non-linear characteristics of tyre, suspension and braking system are included to capture the dynamic behaviour of a vehicle under transient conditions. The novel aspect of this work is the application of a representative full vehicle-tyre-ABS integrated set-up to study the complicated interaction between tyre and anti-lock braking, under a range of demanding operating conditions, including combined cornering and braking. The modelling methodology involves development of low end vehicle models, based on the Newton-Euler formulation. Subsequently, an intermediate vehicle model is devised, where more details are incorporated such as additional DOF to capture the sprung mass motion in space, along with its non-linear interactions with the un-sprung masses, large angle effects, kinematics of steering/wheels and an appropriate tyre model suitable for transient manoeuvres. Particular attention is paid to the suspension system modelling, through inclusion of non-linear effects in springs, dampers, bump-stops, and anti-roll bars, along with the jacking and anti-dive effects using the virtual work method. The model also incorporates a hydraulic brake model, based on the reduced order brake system dynamics for realistic simulation of the braking manoeuvres. A complex multi-body ADAMS/Chassis model, with much greater level of detail, has also been established to extensively compare and enhance the realistic behaviour of the intermediate vehicle model. During the simulation exercise, the intermediate vehicle model has shown good agreement with the complex ADAMS model, thus justifying the accurate representation of vehicle.non-linear characteristics, particularly the suspension system. The realistic behaviour of the vehicle model is further ascertained with a reliable GPS enabled test vehicle, by performing number of manoeuvres on test tracks, including combined cornering and braking. A representative 4-channel conventional ABS system is modelled and integrated in the intermediate vehicle model. The ABS adopts generic peak seeking approach, employing wheel deceleration and brake slip as control variables. External braking inputs, in form of stepped pressure pulses, are also separately used to represent the transient braking system dynamics. In the current work, different transient tyre models based on the single point contact approach and using Magic Formula steady-state characteristics are applied, while studying the influence of their dynamic behaviour on the ABS system. By employing a representative ABS system in a multi-body vehicle model and considering the particularly demanding situation of combined braking I cornering, it is shown that the models which are adequate for pure braking might struggle when the complicated full vehicle dynamics are excited. It is shown that the first order relaxation length approach may not be sufficient to fully satisfy the requirements of an ABS braking, especially if the relaxation length is not modelled as a variable dependent on tyre slip. In comparison, the modelling approach, where the carcass compliances and contact patch properties are explicitly represented, can handle the oscillatory tyre behaviour associated with ABS braking, in a far more accurate manner. In comparison to the earlier studies, which were mostly conducted for straight-line braking, this thesis stresses the fact that the tyre behaviour can be influenced by the complex interaction of handling and braking, and hence the effect should be captured while investigating or evaluating the performance of a tyre model in relation with ABS simulation.

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Hossein, Nia Saeed. "An Investigation of the Iron-Ore Wheel Damages using Vehicle Dynamics Simulation." Licentiate thesis, KTH, Spårfordon, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-159733.

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Maintenance cost is one of the important issues in railway heavy haul operations. For the iron-ore company LKAB, these costs are mainly associated with the reprofiling and changing of the wheels of the locomotives and wagons. The main reason for the wheel damages is usually surface initiated rolling contact fatigue (RCF) on the wheels.The present work tries to enhance and improve the knowledge of the vehicle-track interaction of the Swedish iron-ore freight wagons and locomotives used at Malmbanan. The study is divided into two parts. Firstly, it is tried to get into the roots of RCF using the simulation model of the iron ore wagon (Paper A). Secondly, the study is focused on predicting wear and RCF on the locomotive wheels also via a dynamic simulation model (Paper B).In the first paper, some key issues of the dynamic modelling of the wagons with three piece bogies are first discussed and then parameter studies are carried out to find the most important reasons of wheel damages. These parameter studies include track design geometry, track irregularities, wheel-rail friction level, cant deficiency and track stiffness. The results show a significant effect of the friction level on the amount of RCF risk.As the locomotive wheel life is much shorter than that of the wagons, LKAB has decided to change the locomotive wheel profile. Two final wheel profiles are proposed; however, one had to be approved for the field tests. In the second paper, the long term evolution of the two profiles is compared via wear simulation analysis. Also, the RCF evolution on the wheel profiles as a function of running distance is discussed. The process is first carried out for the current locomotive wheel profiles and the results are compared with the measurements. Good agreement is achieved. Finally, one of the proposed profiles is suggested for the field test because of the mild wear and RCF propagation.

QC 20150210

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Siramdasu, Yaswanth. "Discrete Tire Model Application for Vehicle Dynamics Performance Enhancement." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/74394.

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Tires are the most influential component of the vehicle as they constitute the only contact between the vehicle and the road and have to generate and transmit forces necessary for the driver to control the vehicle. The demand for the tire models are increasing due to the need to study the variations of force generation mechanisms due to various variables such as load, pressure, speed, and road surface irregularities. Another need from the vehicle manufactures is the study of potential incompatibilities associated with safety systems such as Anti-lock Braking System (ABS) and Electronic Stability Control (ESC) and tires. For vehicle dynamic simulations pertaining to the design of safety systems such as ABS, ESC and ride controllers, an accurate and computationally efficient tire model is required. As these control algorithms become more advanced, they require accurate and extended validity in the range of frequencies required to cover dynamic response due to short wavelength road disturbances, braking and steering torque variations. Major thrust has been provided by the tire industry to develop simulation models that accurately predict the dynamic response of tires without the use of computationally intensive tools such as FEA. The objectives of this research are • To develop, implement and validate a rigid ring tire model and a simulation tool to assist both tire designers and the automotive industry in analyzing the effects of tire belt vibrations, road disturbances, and high frequency brake and steering torque variations on the handling, braking, and ride performances of the vehicle. • To further enhance the tire model by considering dynamic stiffness changes and temperature dependent friction properties. • To develop, and implement novel control algorithms for braking, stability, and ride performance improvements of the vehicle
Ph. D.

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Hossein, Nia Saeed. "On Heavy-Haul Wheel Damages using Vehicle Dynamics Simulation." Doctoral thesis, KTH, Spårfordon, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-220344.

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Анотація:

Maintenance cost is one of the important issues in railway heavy-haul operations. In most of the cases, these costs are majorly referring to reprofiling and changing the wheels of the locomotives and the wagons. The main reason of the wheel damages is usually severe wear and/or surface initiated rolling contact fatigue (RCF).This work tries to enhance and improve the knowledge of the wheel wear and RCF prediction models using dynamic simulations. While most of the contents of this study can be generalised to other operational networks, this study is focused on the locomotives and wagons of the Swedish iron-ore company LKAB. The trains are operating on the approximately 500 km long IORE line from Luleå to Narvik in the north of Sweden and Norway respectively.Firstly, a literature survey of dynamic modelling of the wagons with various three-piece bogie types is presented. Then, with concentrating on the standard three-piece bogies, parameter studies are carried out to find out what the most important reasons of wheel damages are. Moreover, the long-term stability of wheel profiles of the IORE wagons is analysed. This is done by visualising the wear and RCF evolution on the wheel profiles over 150,000km of simulated running distance.Most of the calculations for the wagons are repeated for the locomotives. However, traction and braking are also considered in the simulation model and their effects on wheel damages are briefly studied. To improve the accuracy of the wheel damage analysis, a newly developed algorithm called FaStrip is used to solve the tangential contact problem instead of FASTSIM. The damage prediction model developed in the thesis is used to study the effects of increasing axle load, correcting the track gauge, limiting the electro-dynamic braking and using a harder wheel material on the wheel life. Furthermore, a new method is developed to predict the running distance between two consecutive reprofilings due to severe surface initiated fatigue. The method is based on shakedown analysis and laboratory tests.Most of the research works in wear calculation are limited to two approaches known as wear number and Archard methods. The correlation between these two methods is studied. The possibility of using the relation between the two methods for the wear calculation process is investigated mainly to reduce the calculation time for wheel profile optimisation models.

QC 20171219

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Dahlberg, Erik. "Commercial Vehicle Stability - Focusing on Rollover." Doctoral thesis, Stockholm, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3143.

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Chandrasekharan, Santhosh. "Development of a tractor-semitrailer roll stability control model." The Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=osu1196260360.

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Книги з теми "Dynamics of braking"

Truck, &. Bus Meeting &. Exposition (1989 Charlotte N. C. ). Vehicle dynamics related to braking and steering. Warrendale, PA: Society of Automotive Engineers, 1989.

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Vehicle Dynamics, Braking, Steering and Suspensions. Society of Automotive Engineers Inc, 2003.

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Engineers, Society of Automotive. Heavy Vehicle Dynamics and Simulation in Braking, Steering and Suspension Systems. SAE International, 1994.

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Engineers, Society of Automotive, and International Truck and Bus Meeting & Exposition (1994 : Seattle, Wash.), eds. Heavy vehicle dynamics and simulation in braking, steering, and suspension systems. Warrendale, PA, USA: Society of Automotive Engineers, 1994.

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Guiggiani, Massimo. The Science of Vehicle Dynamics: Handling, Braking, and Ride of Road and Race Cars. Springer, 2014.

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Guiggiani, Massimo. The Science of Vehicle Dynamics: Handling, Braking, and Ride of Road and Race Cars. Springer, 2016.

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Guiggiani, Massimo. The Science of Vehicle Dynamics: Handling, Braking, and Ride of Road and Race Cars. Springer, 2018.

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Guiggiani, Massimo. The Science of Vehicle Dynamics: Handling, Braking, and Ride of Road and Race Cars. Springer, 2019.

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Guiggiani, Massimo. The Science of Vehicle Dynamics: Handling, Braking, and Ride of Road and Race Cars. Springer, 2014.

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Частини книг з теми "Dynamics of braking"

Guiggiani, Massimo. "Braking Performance." In The Science of Vehicle Dynamics, 99–111. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8533-4_4.

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Guiggiani, Massimo. "Braking Performance." In The Science of Vehicle Dynamics, 169–88. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73220-6_4.

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Yu, Jingsheng, and Vladimir Vantsevich. "Braking Mechanics." In Control Applications of Vehicle Dynamics, 111–28. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003134305-6.

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Yu, Jingsheng, and Vladimir Vantsevich. "Regenerative Braking." In Control Applications of Vehicle Dynamics, 129–40. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003134305-7.

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Savaresi, Sergio M., and Mara Tanelli. "Control-oriented Models of Braking Dynamics." In Advances in Industrial Control, 17–52. London: Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-350-3_2.

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Tavares, J. M. "Dynamics of Braking Vehicles: From Coulomb Friction to Anti-Lock Braking Systems." In Offbeat Physics, 3–16. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003187103-1.

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Raste, Thomas. "Vehicle Dynamics Control with Braking and Steering Intervention." In Handbook of Driver Assistance Systems, 1007–20. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-12352-3_41.

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Savaresi, Sergio M., and Mara Tanelli. "Braking Control Systems Design: Actuators with Continuous Dynamics." In Advances in Industrial Control, 55–84. London: Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-350-3_3.

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Savaresi, Sergio M., and Mara Tanelli. "Braking Control Systems Design: Actuators with Discrete Dynamics." In Advances in Industrial Control, 85–105. London: Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-350-3_4.

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Raste, Thomas. "Vehicle Dynamics Control with Braking and Steering Intervention." In Handbook of Driver Assistance Systems, 1–11. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-09840-1_41-1.

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Тези доповідей конференцій з теми "Dynamics of braking"

Gokce, Can, Ozgur Ustun, and Ahmet Yasin Yeksan. "Dynamics and limits of electrical braking." In 2013 8th International Conference on Electrical and Electronics Engineering (ELECO). IEEE, 2013. http://dx.doi.org/10.1109/eleco.2013.6713845.

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Sorniotti, Aldo. "Hardware in the Loop for Braking Systems with Anti-lock Braking System and Electronic Stability Program." In SAE 2004 Automotive Dynamics, Stability & Controls Conference and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2004. http://dx.doi.org/10.4271/2004-01-2062.

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Wielenga, Thomas J., and Milton A. Chace. "A Study in Rollover Prevention Using Anti-Rollover Braking." In SAE 2000 Automotive Dynamics & Stability Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2000. http://dx.doi.org/10.4271/2000-01-1642.

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Podrigalo, Mikhail, Dmytro Klets, Mykhailo Kholodov, Valeriy Klimenko, Volodymyr Rudzinskyi, and Anton Kholodov. "Analysis of the Tractor-Trailer Dynamics during Braking." In Brake Colloquium & Exhibition - 37th Annual. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2019. http://dx.doi.org/10.4271/2019-01-2144.

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Matsumoto, Shinji, Hirotsugu Yamaguchi, Hideaki Inoue, and Yoshiki Yasuno. "Improvement of Vehicle Dynamics Through Braking Force Distribution Control." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/920645.

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Ahmad, Husain, and Mehdi Ahmadian. "Model Reference Adaptive Control of Train Dynamic Braking." In 2012 Joint Rail Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/jrc2012-74141.

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Model Reference Adaptive Control (MRAC) is developed to control the amount of current through the traction motors under various wheel/rail adhesion conditions while braking. More accurate estimation and control of train braking distance will allow the trains to be run with closer spacing. In order to minimize the braking distance of a train, dynamic braking forces need to be maximized while maintaining good wheel/rail adhesion. Wheel/rail adhesion coefficient plays an important role in safe train braking. Excessively large dynamic braking can cause wheel lockup that can damage the wheels and the rail. In addition, it can cause large buff loads that cause derailment or coupler damage. Dynamic braking force is directly proportional to the current supplied to the traction motors. In this study, a multibody formulation of a locomotive and three railcars is used to develop a model reference adaptive controller for adjusting the current provided to the traction motors such that the maximum dynamic braking is achieved, without wheel lockup. Aerodynamic drag and air brake forces are included in the model. The coupler forces are also considered in the control model to ensure that they remain within acceptable levels. The results indicate that the MRAC system significantly improves braking distance while maintaining better wheel/rail adhesion and coupler dynamics during braking.

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Derbaremdiker, Anatoliy. "Damping mechanisms and algorithmic models of friction in braking devices and oscillation dampers of highway and flying vehicles." In Dynamics Specialists Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1996. http://dx.doi.org/10.2514/6.1996-1253.

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Kazemi, R., B. Hamedi, and B. Javadi. "A New Sliding Mode Controller for Four-Wheel Anti-Lock Braking System (ABS)." In SAE 2000 Automotive Dynamics & Stability Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2000. http://dx.doi.org/10.4271/2000-01-1639.

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Fedin, Alexey, Yaroslav Kalinin, and Evgeniy Marchuk. "ANN in car antilock braking systems modeling." In 2019 3rd School on Dynamics of Complex Networks and their Application in Intellectual Robotics (DCNAIR). IEEE, 2019. http://dx.doi.org/10.1109/dcnair.2019.8875513.

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Ahmad, Husain, and Mehdi Ahmadian. "Adapting Dynamic Braking of AC Motors to Varying Wheel/Rail Adhesion Condition." In 2013 Joint Rail Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/jrc2013-2412.

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Model reference adaptive control (MRAC) is developed to control the electrical excitation frequency of AC traction motors under various wheel/rail adhesion conditions during dynamic braking. More accurate estimation and control of train braking distance can allow more efficient braking of rolling stock, as well as spacing trains closer together for Positive Train Control (PTC). In order to minimize the braking distance of a train, dynamic braking forces need to be maximized for varying wheel/rail adhesion. The wheel/rail adhesion coefficient plays an important role in safe train braking. Excessively large dynamic braking can cause wheel lockup that can damage the wheels and rail, or may lead to large coupler forces, possibly causing derailment or broken components. In this study, a multibody formulation of a locomotive and three railcars is used to develop a model reference adaptive controller for adjusting the voltage excitation frequency of an AC motor such that the maximum dynamic braking is achieved, without locking up the wheels. A relationship between creep forces, creepages, and motor braking torque is established. This relationship is used to control the motor excitation frequency in order to closely follow the reference model that aims at achieving maximum allowable adhesion during dynamic braking. The results indicate that MRAC significantly improves braking distance while maintaining better wheel/rail adhesion and coupler dynamics during dynamic braking.

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Звіти організацій з теми "Dynamics of braking"

Nishimura, Masatsugu, Yoshitaka Tezuka, Enrico Picotti, Mattia Bruschetta, Francesco Ambrogi, and Toru Yoshii. Study of Rider Model for Motorcycle Racing Simulation. SAE International, January 2020. http://dx.doi.org/10.4271/2019-32-0572.

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Various rider models have been proposed that provide control inputs for the simulation of motorcycle dynamics. However, those models are mostly used to simulate production motorcycles, so they assume that all motions are in the linear region such as those in a constant radius turn. As such, their performance is insufficient for simulating racing motorcycles that experience quick acceleration and braking. Therefore, this study proposes a new rider model for racing simulation that incorporates Nonlinear Model Predictive Control. In developing this model, it was built on the premise that it can cope with running conditions that lose contact with the front wheels or rear wheels so-called "endo" and "wheelie", which often occur during running with large acceleration or deceleration assuming a race. For the control inputs to the vehicle, we incorporated the lateral shift of the rider's center of gravity in addition to the normally used inputs such as the steering angle, throttle position, and braking force. We compared the performance of the new model with that of the conventional model under constant radius cornering and straight braking, as well as complex braking and acceleration in a single (hairpin) corner that represented a racing run. The results showed that the new rider model outperformed the conventional model, especially in the wider range of running speed usable for a simulation. In addition, we compared the simulation results for complex braking and acceleration in a single hairpin corner produced by the new model with data from an actual race and verified that the new model was able to accurately simulate the run of actual MotoGP riders.

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Chovnyuk, Yuriy, Michail Dikterjuk, Svetlana Komotskaya, and Ivan Kadikalo. Substantiation of equivalent circuits of rota-tion mechanisms of load-lifting cranes, their dynamic analysis and optimization during the processes of starting and braking. Gіrnichі, budіvelnі, dorozhnі ta melіorativnі mashini, April 2019. http://dx.doi.org/10.31493/gbdmm1892.0101.

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