An Application of Mixed Sensitivity Control Method in Direct-Drive Electro-Hydraulic Servo System

Li, Deyou; Wang, Hongjie; Yang, Yao; Liu, Shixun; Han, Lei

doi:10.1016/j.proeng.2011.08.1119

Cited by 6 publications

(2 citation statements)

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“…In order to analyze or design the feedback control system, correspondingly, both the closed-loop frequency characteristic and the error frequency characteristic have to be considered [1,2]. Because of combined actions of the reference input and the disturbance input, it is not easy to analyze or design the closed-loop and error frequency characteristics directly [3,4]. Furthermore, when the design of controlled plant parameters or the selection of controller parameters are taken into account, the analyses on closed-loop and error frequency characteristics will be more complicated and interactive [5].…”

Section: Introductionmentioning

confidence: 99%

Sensitivity Function with Applications to Analyze Frequency Characteristics under Conditions of System Parameter Varying

Zhang¹,

Zhang²,

Tang³

et al. 2017

dteees

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This paper focuses on analyzing the sensitivity of frequency characteristics of closed-loop system under reference input and external disturbance. In the first place, the sensitivity function of linear time-invariant control system is defined. Then the sensitivity functions of frequency characteristics including plant and controller parameters are derived in accordance with the closed-loop transfer functions and error transfer functions of closed-loop systems. And then the sensitivity of amplitude-frequency characteristics, while plant parameter and controller parameter are varying, is analyzed. Application results indicate the effects, which the plant parameter and controller parameter exert on the frequency characteristics of closed-loop systems, can be analyzed directly by sensitivity function. The analysis method about frequency characteristics facilitates the plant parameter design and the controller parameter determination for closed-loop systems.

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Section: Introductionmentioning

confidence: 99%

Sensitivity Function with Applications to Analyze Frequency Characteristics under Conditions of System Parameter Varying

Zhang¹,

Zhang²,

Tang³

et al. 2017

dteees

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show abstract

“…Load alteration is another system parameter used to verify the performance of the proposed controller proposed by the researchers in [6,10,14,15,19,[20][21][22][23][24][25]. Different material, environment, and sizes required different forces to be carried, hold, and formed.…”

Section: Introductionmentioning

confidence: 99%

The Effects of Parameter Variation in Open-Loop and Closed-Loop Control Scheme for an Electro-hydraulic Actuator System

Soon

Ghazali

Jaafar

et al. 2016

IJCA

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A Novel Fast-moving Device Driven by Hydraulic System for Aerodynamic Heating Tests

Bai

Tian

et al. 2019

Exp Tech

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An Application of Mixed Sensitivity Control Method in Direct-Drive Electro-Hydraulic Servo System

Cited by 6 publications

References 0 publications

Sensitivity Function with Applications to Analyze Frequency Characteristics under Conditions of System Parameter Varying

Sensitivity Function with Applications to Analyze Frequency Characteristics under Conditions of System Parameter Varying

The Effects of Parameter Variation in Open-Loop and Closed-Loop Control Scheme for an Electro-hydraulic Actuator System

A Novel Fast-moving Device Driven by Hydraulic System for Aerodynamic Heating Tests

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