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This paper proposes an new algrithem framework for video based vehicle âtailgate' behavior detection in urban road junction. Based on the road traffic regualtion about the illegal parking behavior definition, the author proposes traffic lights signal monitor, vehicle tracking and road conjestion detection algrithems in the real time video analyse. The measured parameters including vehicles' trojactory,...
A novel compound controller is developed for the vehicle active suspension with an electro-hydraulic actuator. The models of the actuator and the quarter vehicle are both first established. A compound controller is designed to utilize RBF neural network approximate the output of PID, and to combine PID algorithm with a RBF neural network output as its control laws. This controller synthesizes both...
An approach of gathering parking grade is explained. It gathers parking grade using SCA61T sensor, and the grade information is transmitted to center ECU by CAN bus real time. As a result, the electric parking system can control parking strength real time. Using the method, parking vehicle can be brought suitable restrict strength when the vehicle on different grades. It can make electric parking...
A reasonable mathematical model of semi-active suspension is established based on a quarter vehicle. A fuzzy controller is proposed and its fuzzy rules are deduced using Matlab Fuzzy logic control toolbox. Simulation model for the whole system is completed by means of Matlab/Simulink. The response curves under random road profile excitations of semi-active suspension are given, which are compared...
A semi-active seat suspension scheme is presented to replace the passive damper of traditional seat suspension. A human body-seat five-DOF model is applied to this system which includes a modified Bouc-Wen model for MR damper. An improved single neuron PID controller is proposed to enhance the seat suspension dynamic performance. A simulation model was established with MATLAB/SIMULINK and the simulation...
Mechanism design is one crucial step in vehicle simulator developing. A combined approach of particle swarm optimization (PSO) algorithm and mutative scale chaos search algorithm is proposed for the parameters optimization of motion mechanism of vehicle simulator. The PSO algorithm is run to get the global best particle as the candidate solution, and then mutative scale chaos search iterations are...
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