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JRM Vol.23 No.3 pp. 416-425
doi: 10.20965/jrm.2011.p0416
(2011)

Paper:

Development of the Energy Simulator for the Water Hydraulic System Under Flow Condition Changes

Satoshi Ashizawa, Toshiya Watanabe, Yuki Kamiya,
Hidenori Aoki, and Takeo Oomichi

Department of Mechanical Engineering, Meijo University, 1-501 Shiogamaguchi, Tenpaku-ku, Nagoya-shi, Aichi 468-8502, Japan

Received:
October 9, 2010
Accepted:
April 13, 2011
Published:
June 20, 2011
Keywords:
energy simulator, dynamic model, water hydraulic system
Abstract

The new energy simulator we developed is based on a hydraulic servosystem dynamic flow model introducing flow coefficients determined by Reynolds number. One is the pipe flow coefficient flow determined by the Moody diagram and the other is the servovalve flow coefficient based on flow model experiments. The motor dynamic model is introduced to determine efficiency such as coil resistance or rotor viscosity loss. Leakage of the hydraulic servovalve was also determined by the leak model. The feasibility of the proposed simulator was verified using computer simulation and experiments, showing differences from conventional simulators that depend on manually set parameters such as flow coefficients. Simulation and experiment results agreed well, and the proposed simulator determines hydraulic servosystem energy consumption. New simulator concepts, calculation models, and experiment results are also discussed.

Cite this article as:
Satoshi Ashizawa, Toshiya Watanabe, Yuki Kamiya,
Hidenori Aoki, and Takeo Oomichi, “Development of the Energy Simulator for the Water Hydraulic System Under Flow Condition Changes,” J. Robot. Mechatron., Vol.23, No.3, pp. 416-425, 2011.
Data files:
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