Development of the Small Flow Rate Water Hydraulic Servo Valve | Zendy

Toshiya Watanabe | Zendy; Tomokazu Inayama | Zendy; Takeo Oomichi | Zendy

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Development of the Small Flow Rate Water Hydraulic Servo Valve

Author(s) -

Toshiya Watanabe,

Tomokazu Inayama,

Takeo Oomichi

Publication year - 2010

Publication title -

journal of robotics and mechatronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 19

eISSN - 1883-8049

pISSN - 0915-3942

DOI - 10.20965/jrm.2010.p0333

Subject(s) - electrohydraulic servo valve , controllability , volumetric flow rate , servo , control theory (sociology) , leakage (economics) , servo control , valve actuator , computer science , engineering , control engineering , mechanical engineering , ball valve , mathematics , control (management) , mechanics , physics , artificial intelligence , economics , macroeconomics

A small capacity servo valve was developed for a small size water hydraulic manipulator, focusing the saving energy. The new servo valve optimizes the machines small flow rate use, makes the stroke longer for wideband use, reduces leakage and makes control easier. The test and evaluation of the servo valve was conducted by examining flow rate characteristics, leakage characteristics and responsibility. The flow rate and leak rate of the servo valve shows to be the same as the oil hydraulic servo valve, while the step and frequency response show good controllability for the water hydraulic manipulator.

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