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Control system for servo press

A technology for servo presses and control systems, applied in presses, manufacturing tools, etc., can solve the problems of high control system cost, waste of hardware resources, and high power consumption, and achieve improved system accuracy, enhanced real-time performance, and low power consumption. Effect

Active Publication Date: 2014-03-26
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI Technical Summary

Problems solved by technology

[0002] Most of the current servo press control systems use a personal computer or an industrial computer combined with a motion control card in the upper computer and lower computer mode, using a general-purpose operating system, such as windows, Linux and other operating systems. This method can combine the openness and The information processing capability is combined with the motion processing characteristics of the motion control card, which is easy to upgrade and expand, but this method also has the disadvantages of high cost of the control system, serious waste of hardware resources, and high power consumption

Method used

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Embodiment Construction

[0013] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0014] figure 1 Shown the structure of a preferred embodiment of the present invention, as shown in the figure, the servo press control system of the present invention, take S3C2440 chip 1 as core, take SRAM unit 3, NANDFLASH unit 4 as memory and storage device to form ARM9 microprocessing Device sub-module; the external interface sub-module includes a USB interface, a serial port, and a parallel port, which can be connected with the host machine through the external interface sub-module, so as to facilitate the upgrade of the system in the core board; the operation panel 20 and the touch screen 21 constitute the whole man-machine interface The sub-module realizes the connection with the ARM9 microprocessor sub-module through serial port communication, transmits the user-set parameters to the system, and can display the monitoring screen of the servo pr...

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Abstract

The invention discloses a control system for a servo press, and belongs to the technical field of electromechanical control. The control system for the servo press comprises an ARM9 microprocessor submodule and an FPGA submodule, wherein the ARM9 microprocessor submodule and the FPGA submodule carry out communication through a bus, the ARM9 microprocessor submodule is used for reading sliding block position information output by a position detection device, obtaining the theoretical speed of a sliding block at the position according to the sliding block position information, and transmitting the theoretical speed of the sliding block to the FPGA submodule, and the FPGA submodule uses a three-level series connection fuzzy PID control structure to have control over a servo motor. Further, the ARM9 microprocessor submodule comprises a real-time embedded operating system with combination between the Linux and the Xenomai. Compared with the prior art, the control system for the servo press has the advantages of being low in cost, compact in software and hardware resource, low in power consumption, good in real-time control performance and high in accuracy.

Description

technical field [0001] The invention relates to a servo press control system, which belongs to the technical field of electromechanical control. Background technique [0002] Most of the current servo press control systems use a personal computer or an industrial computer combined with a motion control card in the upper computer and lower computer mode, and use a general-purpose operating system, such as windows, Linux and other operating systems. This method can combine the openness and Combining the information processing capability with the motion processing characteristics of the motion control card, it is easy to upgrade and expand, but this method also has the disadvantages of high cost of the control system, serious waste of hardware resources, and high power consumption. At the same time, in the development process of servo presses, how to improve the accuracy of servo presses and achieve fast and stable response has always been the focus of research on servo presses...

Claims

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Application Information

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IPC IPC(8): B30B15/26B30B15/14
Inventor 唐敦兵张伟张泽群杨俊孙竞伟殷磊磊周建华桑泽磊王昌生崔祥友
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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