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To solve the problems of poor smoothness and big frictional work in start-up of automated mechanical transmission with wet clutch. The start-up fuzzy control strategies is proposed. The precise control of clutch pressure is obtained by using optimization of fuzzy control parameter based on ant colony algorithm. The simulation and experiment results showed that the control strategy reduces the driveline...
This paper first presents a simplified single wheel model for underground mining electric vehicles with bounds of system uncertainties. Then, a fuzzy parameter tuning (FPT) technique is used to adjust the parameters in the sliding mode control (SMC) to improve system stability and robustness at an unexpected external disturbances and unbound system uncertainties. The comparison of the simulation results...
Control of regenerative retarding of a vehicle equipped with a new energy recovery retarder is investigated in this paper. The handle and pedal operations are designed to satisfy the need of control of vehicle brake under different working conditions. As the dynamics of the retarding process is highly nonlinear and time-variant, the control of regenerative retarding becomes rather complicated. For...
The simulated chassis dynamometer is a kind of test equipment which is used to test vehicle performances. The main objective of the system is to accurately simulate actual operating conditions of the vehicle. Based on previous experiences, an improved controlling mechanism has been developed in which a fuzzy-PID controller and the associated mathematical models are introduced. The results of simulation...
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