Electron cyclotron resonance heating (ECRH) system is one of the most important Tokamak auxiliary\nheating methods. However, there are growing demands for ECRH system as the physical experiments\nprogress which meanwhile adds the difficulty of designing and building the control\nsystem of its power source. In this paper, the method of designing a control system based on Single\nChip Microcomputer (SCM) and Field Programmable Gate Array (FPGA) is introduced according to\nits main requirements. The experimental results show that the control system in this paper\nachieves the conversion of different working modes, gets exact timing, and realizes the failure\nprotection in 10us thus can be used in the ECRH system.
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