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System modeling and computer aided simulation have been increasingly used in vehicle engineering to reduce development time, improve and simplify complex systems. A Type C Electronic Power Steering (EPS) modeling and simulation program has been developed based on Matlab. The aim of this simulation is to simulate completed system dynamic behavior regarding optimizing main parameters of system model.
Steer-by-wire is such a technology that replaces the traditional mechanical and hydraulic control systems by electronic control systems. As the next generation automotive network communications protocol, FlexRay meets the future demands of steer-by-wire network. This paper builds the co-simulation model of steer-by-wire and FlexRay bus on the basis of CANoe_MATLAB, which combines the advantages of...
Vehicle stability control for the vehicle is investigated using electro-hydraulic brake (EHB) control in this paper. It describes a vehicle stability controller based on Electro-Hydraulic Braking (EHB) System which acts on the brake system to generate a corrective yaw moment that helps the vehicle to follow the course desired by the driver. A cosimulation system for EHB has been developed in this...
As automobile systems become more and more sophisticated, the need to integrate the science research and engineering software is increasing. As a modeling and simulation software tool, MATLAB can help automobile engineers solve lots of practical problems. Based in vehicle acceleration characteristics, this article introduces a method to get an optimized dynamic 3-parameter gear-shift algorithm of...
A model for the fuel cell-battery hybrid electric vehicle (FCHEV) power train in parallel configuration simulation based on the empirical formulation and MATLAB/Simulink blocks has been constructed with the power control strategy using logic threshold approach. Using accelerator pedal signal generated by the driving schedule as the primary input, the simulation implements difference power flow and...
Searching for an ideal logic principle has been being the key for the research and development of vehicle anti-lock braking system (ABS). Basing on MATLAB/Simulink development environment, realizes the computer software simulation of vehicle dynamics model with ABS system, builds the definite state machine state flow model for the ABS electronic control unit, and further successfully architectures...
Tracked vehicle runs under dynamic condition frequently. Due to the inner complex physical and chemical changes in the course of engine operation, its system model are highly non-linear, so it is difficult to obtain the precision of model by means of mechanism modeling. To meet the requirement of making automatic shift schedule, the best power shift schedules of a tracked vehicle are deduced in this...
Hardware-in-loop (HIL) is an interesting methodology for developing and testing the operation of components in a complex system. In this paper, HIL is applied to a hybrid fuel cell/battery system that can be usually found in electric vehicles or peak-loaded stationary applications. The fuel cell is modeled dynamically in Matlab/Simulink by means of current interrupt tests. The system includes a dynamic...
Active steering is a newly developed technology for passenger cars to enhance vehicle stability and handling performance. A fractional-order PIlambdaDmu control strategy is applied on active steering vehicle based on a multi-body vehicle dynamic model in this paper and the active control is expressed as a sum of PIlambda and PDmu control. The multi-body vehicle dynamic model using ADAMS can accurately...
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