On-chip dual-redundancy dual-channel power-driven servo mechanism control circuit

An electric servo, dual-machine redundant technology, applied in the direction of controlling multiple AC motors, etc., can solve the problems of short on-orbit work, poor reliability, low efficiency, etc., and achieve low weight, long on-orbit working time, and low power consumption. Effects of Features

Inactive Publication Date: 2017-05-31
NO 32 RES INST OF CHINA ELECTRONICS TECH GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the electric servo mechanism control circuit used in the upper-level project of multi-satellite launch in the aerospace field has problems of poor reliability, short on-orbit work, high power consumption, low efficiency, and heavy weight

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  • On-chip dual-redundancy dual-channel power-driven servo mechanism control circuit
  • On-chip dual-redundancy dual-channel power-driven servo mechanism control circuit

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0016] The on-chip dual-machine redundant dual-channel electric servo mechanism control circuit provided by the present invention realizes the dual-machine redundant electric servo control circuit in one PCB. In the design scheme, the redundant FPGA is used as the core component, and the power supply circuit is superimposed on the periphery. , A / D sampler, three-phase bridge chip, solid state relay, main-standby switching circuit, and necessary interface circuit to realize a complete electric servo mecha...

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Abstract

The invention provides an on-chip dual-redundancy dual-channel power-driven servo mechanism control circuit. A redundant field programmable gate array (FPGA) chip is used as a core part, a power supply, a three-phase bridge chip, a solid relay, an A / D sampler, a host / backup switch circuit and a necessary interface circuit are laminated at the periphery of the FPGA chip, all dual-channel power-driven servo mechanism control algorithms are achieved in a printed circuit board (PCB), and dual redundancy backup is achieved. The on-chip dual-redundancy dual-channel power-driven servo mechanism control circuit is used for controlling the attitude of an engine in an upper-stage item for emitting many satellites in the aerospace field; and by the on-chip dual-redundancy dual-channel power-driven servo mechanism control circuit, dual-backup dual-channel power-driven servo mechanism control circuit can be achieved in a single board, and the on-chip dual-redundancy dual-channel power-driven servo mechanism control circuit has the advantages of high reliability, long working time on an orbit and fast fault recovery and switching speed.

Description

technical field [0001] The invention relates to an electric servo mechanism control circuit, which is applied to the upper-level model of YZ-3 multi-satellite launching in the aerospace field. Background technique [0002] At present, the electric servo mechanism control circuit used in the upper-level project of multi-satellite launch in the aerospace field has problems of poor reliability, short on-orbit work, high power consumption, low efficiency, and heavy weight. Contents of the invention [0003] Aiming at the defects in the prior art, the purpose of the present invention is to provide an on-chip dual-machine redundant dual-channel electric servo mechanism control circuit to realize the attitude control of the upper-level engine, which has high reliability, long on-orbit time, and fast fault switching speed. wait. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is as follows: [0005] An on-chip dual-machine red...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P5/74
CPCH02P5/74
Inventor 章猛许红梅刘关壮浦冬燕应宏杰
Owner NO 32 RES INST OF CHINA ELECTRONICS TECH GRP
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