Accurate Modeling of a High Speed on/off Valve Actuator
Accurate Modeling of a High Speed on/off Valve Actuator
- Author(s): Jigen Fang ; Jinjun Wu ; Xifeng Wang ; Xiaoguang Wang ; Liang Li ; Xiang Gao ; Shuo Cheng
- DOI: 10.1049/cp.2018.0162
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- Author(s): Jigen Fang ; Jinjun Wu ; Xifeng Wang ; Xiaoguang Wang ; Liang Li ; Xiang Gao ; Shuo Cheng Source: CSAA/IET International Conference on Aircraft Utility Systems (AUS 2018), 2018 page (9 pp.)
- Conference: CSAA/IET International Conference on Aircraft Utility Systems (AUS 2018)
- DOI: 10.1049/cp.2018.0162
- ISBN: 978-1-78561-791-1
- Location: Guiyang, China
- Conference date: 19-22 June 2018
- Format: PDF
A high speed on/off valve Actuator (HSVA) is a main interface between electronic control and hydraulic system for most fluid power applications such as braking systems of vehicles and aircrafts. Accurate theoretical model is the key to control the high speed on/off valve smoothly. However, modeling of a HSVA is a challenging difficulty due to the unavoidable multi-physics coupling problems in practice. For establishing mathematical model of a HSVA accurately, this study dismantles the coupling model into three interrelated sub-models, including a mechanical sub-model, an electromagnetic sub-model, and a thermal sub-model. And then, these three subsystems are modeled as a spring/mass/damper system, a nonlinear resistor/inductor system and a multi-wall heat transfer system, separately. At last, the feasibility of above three sub-models is verified by comparing the simulation results with the experimental results obtained on a test bench. Our study shows that the three subsystems are coupled to each other through resistance, displacement, and temperature. Besides, our results can be regarded as a research tool for future investigation and development of the Solenoid valves.
Inspec keywords: shock absorbers; shipbuilding industry; brakes; braking; heat transfer; computational fluid dynamics; hydraulic systems; valves; vibration control; design engineering; solenoids; springs (mechanical)
Subjects: Fluid mechanics and aerodynamics (mechanical engineering); Numerical approximation and analysis; Mechanical components; Heat and thermodynamic processes (mechanical engineering)
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