STUDY ON H∞ CONTROLLER IN SUPER HIGH-SPEED ELECTRO-HYDRAULIC PROPORTIONAL SYSTEM

Abstract

Abstract: The mathematical dynamical model and state-space function of a super high-speed electro-hydraulic proportional system is built. Tracking compensation and undetermined compensation’s influence on the system is analyzed, and hybrid sensitivity H∞ controller is designed according to model. Simulation results indicate：band-width up to 100 Hz steady super high-speed electro-hydraulic proportional system can be gotten, algorithm of H∞ control is utilized, ensuring good tracking precision. The correctness and effectiveness of the H∞ controller are proved by experiment in the super high-speed electro-hydraulic proportional system.

Key words: Dynamic model Super high-speed electro-hydraulic proportional, H∞ controller, system, Hysteresis filter, Multi-system application, Slope recognition, Vehicle electronic control system

CLC Number:

TH137

JIN Zhe;KE Jian;YU Lanying;WANG Guozhi;DENG Bin. STUDY ON H∞ CONTROLLER IN SUPER HIGH-SPEED ELECTRO-HYDRAULIC PROPORTIONAL SYSTEM[J]. , 2006, 42(3): 104-109.

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STUDY ON H∞ CONTROLLER IN SUPER HIGH-SPEED ELECTRO-HYDRAULIC PROPORTIONAL SYSTEM

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