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激光推进中继折转系统的控制分系统性能仿真
引用本文:亓波,任戈,吴琼雁,赵华.激光推进中继折转系统的控制分系统性能仿真[J].推进技术,2007,28(5):453-456,461.
作者姓名:亓波  任戈  吴琼雁  赵华
作者单位:中国科学院,光电技术研究所,四川,成都,610209
基金项目:国家重点基础研究发展计划(973计划)
摘    要:为了在激光推进系统中实现对主激光的精确控制,设计了中继折转系统。中继折转系统以光学方法捕获信标光后实时解算出信标光和主激光方向并驱动中继折转镜调整姿态,实现自主闭环跟踪。控制分系统采用基于PC104总线架构方式,由电流环、速度环和位置环构成三环调节系统。对整个控制系统进行了计算机仿真,设计位置回路的跟踪带宽为2 Hz,速度回路的带宽为5 Hz,系统的跟踪精度小于0.4°。仿真结果表明,中继折转系统达到了设计要求的控制精度,能满足整个激光推进系统的使用要求。

关 键 词:激光推进  伺服系统  探测系统  闭环跟踪  计算机仿真
文章编号:1001-4055(2007)05-0453-05
收稿时间:2007-04-25
修稿时间:2007-04-252007-06-15

System simulation of laser relay system for laser propulsion
QI Bo,REN Ge,WU Qiong-yan and ZHAO Hua.System simulation of laser relay system for laser propulsion[J].Journal of Propulsion Technology,2007,28(5):453-456,461.
Authors:QI Bo  REN Ge  WU Qiong-yan and ZHAO Hua
Institution:Inst.of Optics and Electronics,Academia Sinica,Chengdu 610209,China;Inst.of Optics and Electronics,Academia Sinica,Chengdu 610210,China;Inst.of Optics and Electronics,Academia Sinica,Chengdu 610211,China;Inst.of Optics and Electronics,Academia Sinica,Chengdu 610212,China
Abstract:The laser relay system for precision control of main laser in laser propulsion system was presented.The relay system captures beacon laser and accomplishes close-loop tracking and a real-time work resolves the direction of main laser.The servo-system is designed with PC/104 platform.It is composed of current-loop,velocity-loop and position-loop.Through computer simulation shows the bandwidth of position-loop is 2 Hz and the bandwidth of velocity-loop is 5 Hz.Tracking precision is less than 0.4°.The simulation result indicates that the laser relay system reaches upper control precision,and meets the application demand of the laser propulsion system.
Keywords:Laser propulsion  Servo-system  Detection system  Close-loop tracking  Computerized simulation
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