Full-closed loop positioning control system and method
A positioning control and full-closed-loop technology, applied in the direction of electric speed/acceleration control, etc., can solve the problems that the full-closed-loop positioning responsiveness cannot be effectively improved, the pulse transmission frequency cannot be arbitrarily increased, and the debugging personnel have high requirements, so as to achieve practicability Strong, reduce errors, simple way to achieve the effect
Active Publication Date: 2018-05-04
SHENZHEN ENCOM ELECTRIC TECH
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Problems solved by technology
However, because the pulse sending frequency capability of the upper computer is limited by software and hardware, it is impossible to increase the pulse sending frequency arbitrarily. At the same time, the ability of the servo driver itself to receive pulse frequency is also limited. Therefore, it is not effective to increase the pulse sending frequency of the upper computer. Improve the responsiveness of full-closed-loop positioning
Gain switching is mainly classified according to different operating parameter characteristics of the system (such as: according to torque command, speed command, speed command change rate, position deviation, position command, etc.), and different types of switching methods are obtained. However, this method is realized by software. It is complex, and at the same time has high requirements for on-site commissioning personnel, and has certain limitations
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[0033] In order to make those skilled in the art more clearly understand the purpose, technical solutions and advantages of the present invention, the present invention will be further elaborated below in conjunction with the drawings and embodiments, and similar component numbers in the drawings represent similar components. Apparently, the embodiments described below are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0034] refer to figure 1 , in some embodiments, such as this embodiment, the full-closed-loop positioning control system 10 of the present invention is used for a mechanical motion device with a mechanical load 21 and a motor 22, so as to realize the positioning control of the mechanical motion device, said Th...
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The invention discloses a full-closed loop positioning control system. The full-closed loop positioning control system is used for a mechanical movement device with a mechanical load and a motor. Thefull-closed loop positioning control system includes a position feedback device for obtaining actual displacement information of the mechanical load and a motor encoder for obtaining position information of the motor. The full-closed loop positioning control system further includes a feedback gain setting unit, a position control module, a speed detection unit, a speed control module and a power driving module. The feedback gain setting unit is used for determining position feedback gain G according to the accuracy information of the position feedback device and the motor encoder. According tothe full-closed loop positioning control system, the error of the feedback information of the system can be reduced, and the responsiveness of the positioning control system can be improved. The implementation mode is simple. At the same time, the invention also provides a full-closed loop positioning control method.
Description
technical field [0001] The present invention relates to a positioning control system and method, in particular to a full-closed loop positioning control system and method. Background technique [0002] Today, position positioning control systems have been widely used in the field of automation control. Its working principle is: Feedback the actual displacement of the moving parts detected by the position detection device, compare it with the position command signal, adjust the position of the difference between the two, convert it into a speed control signal, and drive the servo through the drive device The motor moves towards the direction of eliminating the deviation at a given speed until the difference between the command position and the actual position of the feedback is equal to zero. According to the way the position detection device feeds back position information, it can be divided into semi-closed-loop control mode and full-closed-loop control mode. [0003] The...
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CPCG05D13/62
Inventor 吴远
Owner SHENZHEN ENCOM ELECTRIC TECH