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運載火箭一級加泄連接器自動(dòng)控制技術(shù)研究
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上海航天電子技術(shù)研究所

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Research on the Automatic Control Process of the First Stage Launch Vehicle Fuel Connector
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    摘要:

    運載火箭一級加泄連接器是實(shí)現一級貯箱推進(jìn)劑加注與泄回的核心設備,針對當前國內一級連接器主要采用人工對接的情況,對氣動(dòng)驅動(dòng)的加泄連接器的自動(dòng)控制技術(shù)進(jìn)行研究;分析了連接器機構的結構與對接脫落的主要步驟,設計采用PLC組合、直流電源、傳感器供電組合等的硬件系統對連接器配氣臺的傳感器參數進(jìn)行采集,對電磁閥進(jìn)行控制以驅動(dòng)機構運動(dòng);設計控制軟件,對基礎數據進(jìn)行分類(lèi)構建,并基于面向對象思想設計多粒度層次的流程步驟,可通過(guò)嵌套組合不同粒度的步驟實(shí)現復雜的控制邏輯,采用xml文件描述流程步驟;介紹了自動(dòng)對接、脫落控制流程的流程內容;經(jīng)測試自動(dòng)對接流程與自動(dòng)脫落流程所用時(shí)間分別為133 s與97 s,滿(mǎn)足使用要求,且已在某型號多次任務(wù)中進(jìn)行了應用,有力地支撐了型號任務(wù)的發(fā)展。

    Abstract:

    The first-stage fuel connector of launch vehicle is the core equipment to realize the propellant filling and discharge of the first-stage tank. In view of the current situation that the first-stage connector in China mainly adopts manual docking, the automatic control technology of the pneumatically driven fuel connector is studied. The structure of the connector mechanism and the main steps of docking and falling off are analyzed. The hardware system of PLC combination, DC power supply and sensor power supply combination is designed to collect the sensor parameters of the connector gas distribution table, and the solenoid valve is controlled to drive the mechanism movement. The control software is designed to classify and construct the basic data, and the multi-granularity level process steps are designed based on the object-oriented idea. The complex control logic can be realized by nesting and combining the steps of different granularity, and the process steps are described by XML file. The process content of automatic docking and falling off control process is introduced. The test results show that the time of automatic docking process and automatic falling off process is 133 s and 97 s respectively, which meets the requirements of use, and has been applied in several tasks of a certain type, which strongly supports the development of model tasks.

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羅濱鴻,陳卓,向軍,王東豐,張海波,徐昕.運載火箭一級加泄連接器自動(dòng)控制技術(shù)研究計算機測量與控制[J].,2024,32(6):166-172.

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歷史
  • 收稿日期:2024-01-22
  • 最后修改日期:2024-02-20
  • 錄用日期:2024-02-22
  • 在線(xiàn)發(fā)布日期: 2024-06-18
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