Turntable servo control system

A servo control system and turntable technology, applied in the direction of using feedback control, etc., can solve problems such as unsatisfactory performance, narrow speed regulation range, and poor low-speed performance, and achieve high positioning accuracy, wide speed regulation range, and good low-speed performance Effect

Inactive Publication Date: 2013-05-01
中船鹏力(南京)大气海洋信息系统有限公司
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AI Technical Summary

Problems solved by technology

[0004] At present, most of the turntable servo systems that appear in the domestic market do not have the superior performance of the turntable using servo motors, and often show shortcomings such as low response, narrow speed range, poor low-speed performance, and low precision, and most of them. The system uses stepper motors, the performance is not ideal

Method used

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  • Turntable servo control system

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Embodiment Construction

[0013] The present invention will be further described below.

[0014] The structure of the turntable servo control system of the present invention is as follows: figure 1 As shown, it includes a terminal display module, a key input module, a serial communication interface module and a microcontroller, and the microcontroller is connected to a PC, an azimuth and pitch motor driver and a signal extension through the serial communication interface module, and the terminal display module and The key input modules are all connected with the microcontroller, and the microcontroller is also provided with digital signal input / output, analog signal input and an external interface controlled by a motor driver.

[0015] The microcontroller adopts the LPC1778 chip of NXP Company, which is based on the ARM Cortex-M3 microcontroller, and the operating frequency can reach 120MHz; the serial communication interface module includes the RS232 module used to connect to the PC, used to connect t...

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Abstract

The invention discloses a turntable servo control system, and belongs to the field of turntable servo. The turntable servo control system comprises a terminal display module, a press key input module, a serial communication interface module and a microcontroller, wherein the serial communication interface module comprises an RS232 module, two RS422 modules and two RS485 modules, the RS232 module is connected with a PC (personal computer), the RS422 modules are connected with a bearing motor driver and a pitch motor driver, the RS485 modules are connected with signal extensions, the microcontroller is used for obtaining the current angle information of the turntable through the serial communication interface module and displaying the current angle information on the terminal display module in a real-time way, and the press key input module is used for switching the turntable control methods and controlling the turning of the turntable. The turntable servo control system has the advantages that the turntable control methods are flexible, and the performance is stable and reliable.

Description

technical field [0001] The invention relates to a turntable servo control system, which belongs to the technical field of turntable servo. Background technique [0002] Turntable servo control system is widely used in aviation, navigation, numerical control, robot, artillery, electric locomotive and other fields. With the continuous improvement of the level of science and technology, the servo system plays a very important role in the fields of production and life in today's society and national defense construction. [0003] The continuous improvement of the technical level of mechatronics and the advancement of computer technology provide powerful conditions for the development of high-performance servo systems. The performance index of the turntable is required to have the characteristics of high response, wide speed range, good low speed performance and high precision. High response means that the response time of the turntable is very fast; good low-speed performance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D3/12
Inventor 孙建朋施春荣周涛徐坤
Owner 中船鹏力(南京)大气海洋信息系统有限公司
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