Radar servo tracking system digital controller and control method thereof

A technology of digital controller and tracking system, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve problems such as decoupling performance and nonlinear overcoming, elaboration and demonstration

Active Publication Date: 2015-12-30
SHANGHAI RADIO EQUIP RES INST
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Problems solved by technology

Such as "Digital Controller Applied to Series Excited Motor", "A Digital Controller for Steering Gear", "A Digital Controller for Brushless DC Motor", "Gaussian Forming Method of Digital Nuclear Pulse Signal Based on IIR Filter", "Street Lamp Control System and Its Digital Controller", etc., they are not aimed at special motors or other mechanisms. The algorithm of the digital controller is completely different from this patent. The important thing is that they do not affect the decoupling performance and nonlinearity of the system. overcoming elaboration and argument

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  • Radar servo tracking system digital controller and control method thereof
  • Radar servo tracking system digital controller and control method thereof
  • Radar servo tracking system digital controller and control method thereof

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Embodiment Construction

[0068] based on the following Figure 1 ~ Figure 3 , specifically explain the preferred embodiment of the present invention.

[0069] Such as figure 1 As shown, the present invention provides a digital controller of a radar servo tracking system, comprising: an FPGA (Field Programmable Gate Array, Field Programmable Gate Array) module 1 electrically connected to a servomechanism 3, and a DSP (Digital Programmable Gate Array) module 1 connected to the FPGA module 1 through a data bus. Signal processor, DigitalSignalProcessor) module 2. Using the method of combining FPGA and DSP, FPGA realizes the acquisition and processing of various analog signals and digital-to-analog conversion, DSP realizes the control algorithm, and the communication between the two is realized by 16-bit data address bus transmission, so that the processing can give full play to the FPGA. Real-time and parallelism, and realize the powerful floating-point addition, subtraction, multiplication and division...

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Abstract

The invention discloses a radar servo tracking system digital controller and a control method thereof. The radar servo tracking system digital controller is characterized in that a conversion module, a high precision A / D converter, a subtracter, a first zero-order holder, an algorithm control module, a second zero-order holder, a high precision D / A converter and a servo mechanism form a negative feedback closed-loop system; a controller of a radar tracking system is discretized based on the control theory of trapezoidal integration, and the controller is optimized through introducing a PID control algorithm, so that the decoupling performance of the tracking system is improved under the precondition that the radar tracking system is guaranteed to be stable, nonlinearity of the system is overcome, the arithmetic speed is high, the hardware load is reduced, and the debugging is convenient and quick.

Description

technical field [0001] The invention relates to a digital controller of a radar servo tracking system and a control method thereof. Background technique [0002] The existing radar tracking system control is mainly divided into analog control and digital controller. Among them, the miniaturized radar servo system has a compact structure, which leads to the nonlinearity and decoupling performance of the servo system under the control of the traditional analog circuit. The request could not be met. Therefore, it is impossible to improve servo tracking system performance through analog control circuits. [0003] As for the publicly published papers on digital control, only the following are found through retrieval: "Design of Radar Seeker Servo System Based on Composite Control", "Application of H_∞ Control Theory in Radar Seeker Servo System Design", "Application of DSP-Based Fuzzy-PID Control in Radar Seeker Servo System", etc. From this, we can know that the radar servo sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04
Inventor 周起华刘庆波高路
Owner SHANGHAI RADIO EQUIP RES INST
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