ESAT的低杂波系统为其实时性,可靠性和安全性方面的要求,对重要的原件速调管设计了硬件保护和自检电路,选择了良好性能的实时操作系统QNX6.3作为系统开发平台,选用合适的A/D模块,对建成的低杂波上的速调管进行自动监控。 关键字:QNX,低杂波,保护电路,自检系统 Abstract: The nuclear fusion device EAST makes extremely strict requirements of real - time response ,reliability and security of LHCD system. An excellent RTOS QNX6.3 and appropriate A/D modules are chosen , and a reliable monitor and control system for Klystron protection . Key words: QNX,LHCD,protection current, monitor and control system