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A multi-body dynamic model of Electric Power Steering (EPS) is set up by using ADAMS in this paper, and also a PID control strategy for the assist torque of EPS is described. The dynamic model & control system model are combined by ADAMS/Controls. Based on these, steering lightness and dynamic characteristic of vehicle are investigated by simulation analysis. The results show that the dynamic...
Acoustic wave signals, radiated from moving vehicles, can be used for automatic vehicle classification as an effective source of information. Acoustic wave signals are processed by self-correlation analysis in frequency domain based on Welch spectrum estimation. Original feature vectors of the linear power spectrum are obtained. Principal component analysis (PCA), aiming to reduce data dimension,...
An approach of power spectrum estimation is utilized to extract the feature vectors from acoustic signal radiated from different types of moving vehicles. A method of feature selection based on principal component analysis (PCA) is proposed to reconstruct effective feature vectors via dimension reduction. The classification of three typical targets is achieved by supported vector machine (SVM). Experiment...
A dual electric machines hybrid electric bus is investigated in this paper. The mechanical clutch and the manual transmission fixed in a conventional bus are replaced by dual electric machines in the novel system, which work as an electromagnetic clutch and a continuously variable transmission simultaneously. The basic operation coordinated control for the system components is implemented to satisfy...
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