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- Title
Simulation of BP-PID Control for Electrohydraulic Proportional Position Servo System.
- Authors
Zheng Jian-ming; Xiao Min; Yang Ming-shun; Li Yan; Kong Ling-fei
- Abstract
The electro-hydraulic proportional position servo system is a kind of highly non-linear and time-varying system as well as parameter uncertainties. It is often difficult to achieve satisfactory control results with the traditional control methods. Considering that the adaptive neural network PID control method has the characteristics of online learning and adjustment PID control parameters adaptively, this paper puts forward to adopt BP-PID control method for the position servo control of electro-hydraulic proportional system. An online adaptive BP-PID controller is designed. The simulation model of the system is established based on Simulink platform. The step response and Sinusoidal tracking characteristics are researched through simulations and experiments. The results show that BP-PID has a strong ability of online learning and self-tuning PID parameters. Compared with the traditional PID control method, the BP-PID control has strong self-adaptability and robustness, and can significantly improve the step response speed and tracking control precision.
- Subjects
COMPUTER simulation; PID controllers; ELECTROHYDRAULIC effect; SIMULINK (Computer software); PROPORTIONAL control systems; MATHEMATICAL models; ARTIFICIAL neural networks
- Publication
International Journal of Interactive Mobile Technologies, 2013, p40
- ISSN
1865-7923
- Publication type
Article
- DOI
10.3991/ijoe.v9i3.2602