论文信息 - A hybrid control strategy for the GPCM electro-hydraulic position servo control system

A hybrid control strategy for the GPCM electro-hydraulic position servo control system

A hybrid control strategy has been designed and developed for the electro-hydraulic position servo control system with generalized pulse code modulation (GPCM), which is suitable for the occasion that the work condition is poor and a large flow rate is required. The control strategy integrates the merits of bang-bang control, PID control and fuzzy control. With this hybrid control strategy, the electro hydraulic control system has good performance, and the servo control is carried out with GPCM through on-off valves.

Rong Liu | Xuanying Wang | Rong Liu | Xuan-yin Wang

[1] J. O'Donnell. Bounds on limit cycles in two-dimensional bang-bang control systems with an almost time-optimal switching curve , 1964 .

[2] A. S. Hodel,et al. Adaptive control to minimize shock in bang/bang systems , 1990, [Proceedings] IECON '90: 16th Annual Conference of IEEE Industrial Electronics Society.

[3] Paulo J. Costa Branco,et al. On using fuzzy logic to integrate learning mechanisms in an electro-hydraulic system. II. Actuator's position control , 2000, IEEE Trans. Syst. Man Cybern. Part C.

[4] Wjm Walter Kickert,et al. ANALYSIS OF A FUZZY LOGIC CONTROLLER , 1978 .

[5] Hao Ying,et al. A nonlinear fuzzy controller with linear control rules is the sum of a global two-dimensional multilevel relay and a local nonlinear proportional-integral controller , 1993, Autom..