Unidirectional Proportional PumpControlled Asymmetric Cylinder Control Method Based on Predictive Control

Abstract

Abstract: Abstract： To resolve the problem of nonovershooting position control of the unidirectional proportional pumpcontrolled asymmetric cylinder system, this paper proposed a threeorder state space model with constraints to describe the system of unidirectional proportional pumpcontrolled asymmetric cylinder. It also proposed a design of model predictive controller applicable to this model to guarantee its nonovershooting output. The simulation results indicate that the proposed method has successfully resolved the overshooting problem without introducing nonlinear characteristics, thus realizing the aim of highprecision position control under multiple constraints.

Key words: Key words： pumpcontrolled asymmetric hydraulic cylinder, nonovershooting, model predictive control, precision position control, multiple constraints

CLC Number:

WANG Xuan,TAO Jianfeng,ZHANG Fengrong,WU Yajin,LIU Chengliang. Unidirectional Proportional PumpControlled Asymmetric Cylinder Control Method Based on Predictive Control[J]. Journal of Shanghai Jiaotong University, 2016, 50(05): 696-701.

References

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