|Table of Contents|

Integrated measurement and control systemfor X liquid rocket engine trial(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2021年03期
Page:
98-106
Research Field:
测控与试验
Publishing date:

Info

Title:
Integrated measurement and control systemfor X liquid rocket engine trial
Author(s):
SUN Chao; LI Meng; DONG Guochuang
Xi'an Aerospace Propulsion Institute,Xi'an 710100,China
Keywords:
liquid rocket engine trial;  integrated control system;  CAN bus;  CANopen protocol;  intelligent servo contorl
PACS:
V434.3
DOI:
-
Abstract:
In order to solve the problems of past liquid rocket engine trial system such as low bandwidth,low reliability and real-time performance,poor system maintainability and expansibility,a integrated measurement and control system was established,which is based on industrial control bus CAN bus and CANopen motion control sub-protocol in application layer the first time,and contraposing the past RS422 serial data bus's "peer-to-peer" structure disadvantages such as low data communication rate,low reliability,poor maintenance.A node scalable "one master many slave" mode data bus topology structure was established.This integrated control system was verified by X type liquid oxygen kerosene rocket engine trial to achieve high reliability,long distance,high real-time performance data communication and high precision servo control,and a complete CANopen motion control sub-protocol driver layer software was designed.Using this liquid rocket engine trial's integrated measurement and control system can achieve multi-mode and intelligent servo control in future engine measurement and control system,which provides a neoteric method for a new generation of liquid rocket engine intelligent contoller and control system research.

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