Electricity: motive power systems – Positional servo systems – With stabilizing features
Patent
1991-04-09
1992-10-27
Ip, Paul
Electricity: motive power systems
Positional servo systems
With stabilizing features
318618, 318630, 318632, 318610, G05B 1101
Patent
active
051592541
ABSTRACT:
A numerical control unit for controlling the position of a movable part, such as a machine table, in response to input machining information. The unit employs a servo control loop that detects the values of the position, velocity, acceleration and motor current for the movable part at predetermined times. Using such detected values and, on the basis of a representative spring mass system model, values of inertia, mass, viscous friction and sliding friction can be calculated and used for automatically optimizing the gain and offset parameters applicable to control of the machine.
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Ip Paul
Mitsubishi Denki K.K.
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