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High-precision thrust servo controller

A servo controller, high-precision technology, applied in the field of controllers, can solve the problems of inability to meet the requirements of high-accuracy thrust calibration, poor stability of excitation power and servo control current, complex structure, etc., to ensure the stability of thrust calibration, The effect of low cost and simple signal connection

Active Publication Date: 2020-01-21
XIAN AEROSPACE PROPULSION TESTING TECHN INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the high-precision servo controller of the on-site thrust calibration system has high cost, complex structure, poor stability of the excitation power supply and servo control current, and cannot meet the requirements for high-accuracy thrust calibration, the present invention designs a high-precision Thrust Servo Controller

Method used

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Embodiment Construction

[0049] In order to make the purpose, advantages and features of the present invention more clear, a high-precision thrust servo controller proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that: the drawings are all in a very simplified form and use inaccurate proportions, which are only used to facilitate and clearly illustrate the purpose of the embodiments of the present invention; secondly, the structures shown in the drawings are often actual structures part; again, each drawing needs to display different emphasis points, and sometimes adopts different scales.

[0050] Overall Architecture of Servo Controller

[0051] The overall structure of the high-precision thrust servo controller provided by the present invention is as follows: figure 1 As sho...

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Abstract

The invention discloses a high-precision thrust servo controller, and solves the problems that a high-precision servo controller of a field thrust calibration system is high in cost, complex in structure and poor in stability of an excitation power supply and a servo control current, and cannot meet the use requirements of high-accuracy thrust calibration. The controller comprises a precision direct-current power supply module, a standard force signal amplification module, a servo valve control module and a digital display meter, wherein the precision direct-current power supply module is connected with a standard force sensor, the standard force signal amplification module, the servo valve control module and the digital display meter, and is used for providing a stable power supply for the standard force sensor, the standard force signal amplification module, the servo valve control module and the digital display meter; the input end of the standard force signal amplification module is connected with an output signal of the standard force sensor, and the output end of the standard force signal amplification module is connected with the input end of the servo valve control module;and the output end of the servo valve control module is connected with an external thrust loading servo valve. The digital display meter is used for circuit parameter visualization, and facilitates operation and control of a calibration process.

Description

technical field [0001] The invention relates to a controller, in particular to a high-precision thrust servo controller. Background technique [0002] At present, in the large-range thrust automatic calibration system, the servo valve is generally used to control the hydraulic system to apply force to the standard force and the measuring force sensor. The output data is used as a standard, combined with the output data of the measuring force sensor, to complete the calibration of the thrust measurement measurement system. This working method is simple, reliable, and has high accuracy, and is widely used in engineering sites. [0003] In the thrust field in-situ automatic calibration system, the servo controller completes the excitation of the standard force sensor, and the servo hydraulic system receives the control of the servo controller to complete the thrust loading and state transformation. The performance of the servo controller is directly related to the accuracy of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/414
CPCG05B19/4142G05B2219/34013
Inventor 李正兵张志涛徐万林祝敏蔡琳边城刘涛孔柯依
Owner XIAN AEROSPACE PROPULSION TESTING TECHN INST
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