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By the test, this paper analyzed the position gain of the NC machine tool servo system controlled by the closed-loop impact on position error, steady-state errors. It provides an important basis for improving the impact on Servo system's follow performance, inertia, dead zone and other factors in the machining process of high-speed and high-precision.
The interval models of uncertain plants are frequently used in the field of robust control. In this paper, a novel interval model identification method based on linear programming is proposed. By certain prepossessing on the measured data of the plant, the interval model identification problem is transformed into several linear programming problems, which can be easily solved through various algorithms...
In order to prevent global warming, it is important to minimize the dissipated energy of machines. This present paper discusses a method for a reduction ratio of gear trains in a mechanical servo system with friction of all types to minimize the dissipated energy. The Coulomb friction of a gear in the servo system is represented by an efficiency of the gear. Even if the system is nonlinear due to...
In motion control, the major sources of uncertainties are friction, stiffness, inertia and disturbances. These uncertainties should be taken into account by any high performance robust motion controller. Position and speed controllers for two-mass systems with different performances, ranges of applicability and of different complexity need to be used. The objective of the paper is to propose a motion...
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