2001, Volume 3, Issue 11
Strategic Study of CAE >> 2001, Volume 3, Issue 11
Experiments on a Secondary Regulated Loading System
1. Department of Instrumentation Engineering, Shanghai Jiaotong University, Shanghai 200030, China
2. Department of Mechanical Engineering, Harbin Institute of Technology, Harbin 150001, China
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Abstract
With secondary regulation, a novel hydraulic transmission technology, the secondary regulated loading system described here is oriented to rotational speed experiment of reduction gear or material. In this paper, the hardware structure of the system is introduced with specialties of the transducers, electro-hydraulic servo valves and the computer data collector used. Then, signal-adjusting circuit between computer control system and transducers or servo valves is designed. Next, a VC+ + control program under Windows operating system is worked out. Experiments on Step, Rectangle, Ramp and Sine Responses of the speed sub-system are done under alternative oil pressure and load. Finally, some meaningful results are given by contrasting the experimental curves.
Keywords
hydrostatic driving ; secondary regulation ; loading ; experiments
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References
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