Sensitivity of Dynamic Characteristics of Electrohydraulic Servo Drive

被引：0
|
作者：
Sosnovskiy, N. G. [1 ]
Popov, D. N. [1 ]
Siukhin, M., V [1 ]
机构：
[1] Bauman Moscow State Tech Univ, Moscow, Russia
来源：
2018 INTERNATIONAL CONFERENCE ON INDUSTRIAL ENGINEERING, APPLICATIONS AND MANUFACTURING (ICIEAM) | 2018年
关键词：
dynamic processes; hydraulic system; hydrodynamic characteristics; non-stationarity of characteristics; sensitivity; throttle drive component;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The article deals with the formulation and solution of a problem important for multicriteria optimization of electrohydraulic servo drives. The sensitivity of the system under study is included in the number of optimization criteria. In the theory of automatic control, the concept of system sensitivity is associated with the result of differentiating the transfer function of a closed-loop system by one of its parameters. Thus, the indirect influence of the selected parameter on the dynamic characteristics of a closed system is determined. The solution proposed in the article expands the boundaries of the above concept, since computer research makes it possible to reveal the influence of non-stationary hydrodynamic processes on the mathematical model of the electrohydraulic servo drive. The effect on drive dynamics can be estimated from the results of transient calculations and their changes caused by specific nonstationary hydrodynamic characteristics of the devices making up the drive. The research results presented in this article can be useful in determining the "catastrophe germs", the elimination of which increases the reliability of the drive.
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页数：5
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