Mathematical Modeling and Experimental Characterization of the Piezoelectric Servo Valve System

Author:

Zhang Yixin1,Pan Wei1,Chen Shujiang1,Zhang Yongtao2,Lu Changhou1

Affiliation:

1. Shandong University Key Laboratory of High-Efficiency and Clean Mechanical Manufacture of MOE, National Demonstration Center for Experimental Mechanical Engineering Education, School of Mechanical Engineering, , Jinan 250061, Shandong Province , China

2. Qingdao University of Science and Technology Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-Materials, College of Electromechanical Engineering, , Qingdao 266061 , China

Abstract

Abstract The dynamic performance of the hydraulic system depends on the dynamic characteristics of the servo valve. In this article, the control characteristics of the piezoelectric servo valve are studied theoretically and experimentally. The mathematical model of the system is established by considering the influence of the piezoelectric servo valve, the influence of the pipeline, and the interaction between them. The frequency response characteristics of the system and the influence of the pipeline parameters on the control characteristics of the system are discussed. The simulation results are compared with the experimental results to verify the accuracy and efficiency of the piezoelectric servo valve dynamic model established in this article.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Shandong Province

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

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