Research of the servo pump´s electrically driven variable displacement mechanism

Author

Bo, Gao ; Yong-ling, Fu ; Zhong-cai, Pei

Author_Institution

Sch. of Autom. Sci. & Electr. Eng., BUAA, Beijing, China

Volume

4

fYear

2005

fDate

29 July-1 Aug. 2005

Firstpage

2130

Abstract

In this paper, an electrically driven variable displacement servo pump was designed to meet the requirement of dual-variable control in integrated electro-hydrostatic-actuator. The driving force of variable displacement mechanism of the servo pump was analyzed, and the mathematical model was created. A DC servo motor was selected as the executive unit of the variable displacement mechanism, the structure of the mechanism that drives the swashplate and the digital controller using digital signal processor (DSP) was designed.

Keywords

DC motors; control system synthesis; digital signal processing chips; displacement control; electric actuators; hydraulic actuators; machine control; pumps; servomechanisms; variable structure systems; DC servo motor; digital controller; digital signal processor; dual-variable control; integrated electro-hydrostatic-actuator; servo pump; swashplate; variable displacement mechanism; DC motors; Digital control; Digital signal processing; Digital signal processors; Displacement control; Drives; Electric variables control; Mathematical model; Servomechanisms; Servomotors;

fLanguage

English

Publisher

ieee

Conference_Titel

Mechatronics and Automation, 2005 IEEE International Conference

Print_ISBN

0-7803-9044-X

Type

conf

DOI

10.1109/ICMA.2005.1626892

Filename

1626892