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Driver-in-the-loop and different human-machine goal consistency should be considered when designing driver-AFS interactive steering control system. In this paper, a novel design approach, namely dynamic game theory is used for the modelling of shared steering control between driver and AFS. Linear Quadratic dynamic optimization approach is used to derive the non-cooperative Nash, non-cooperative Stackelberg,...
The accurate information of tire-road forces and vehicle velocities that could not be obtained directly by onboard sensors is virtual important for vehicle active safety systems. In this manuscript, it focuses on modular scheme for vehicle tire-road forces and velocities estimation using sliding mode observer. The longitudinal tire-road force is estimated first. Then, the lateral tire-road force could...
In order to improve vehicle lateral stability and handling stability, a novel integrated vehicle yaw stability control scheme is proposed in this manuscript which considers front steering wheel angle and additional yaw moment as control variables. The reference yaw rate is firstly determined according to Lyapunov's second law which is determined by keeping sideslip angle within a stable range. In...
The hypersphere support vector machine is an efficient method to evaluate the state of mechanism. The state of Power-Shift Steering Transmission (PSST) is studied using hypersphere support vector machine. The theory of hypersphere support vector machine is researched and an evaluation model is developed. The generalization of the model is analyzed. The spectrometric oil analysis data are processed...
The planetary gear assembly is a key sub-mechanical set of the Power Shift-Steering Transmission Device (PSSTD). With the help of vibration measurement, the diagnosis issue of the needle bearing failure in the planetary gear assembly is solved. For what, there are collision pulses appearing when the Elastohydro Dynamic Lubrication (EHDL) oil film break in the needle bearing, which can be monitored...
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