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演化电路的故障自修复设计与实现

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为进一步提高电子系统在恶劣环境下的生存能力，对采用虚拟可重构电路（VRC）技术的演化电路进行电路自修复研究。根据VRC技术，建立一个可用于数字电路演化的门级电路模型，设计二进制的染色体编码。给出实现电路自主修复的工作流程，探讨进行电路故障诊断和修复的途径。在直流无刷电机控制电路中模拟宇宙单粒子烧毁逻辑门产生常见的SA错误，使电机不能正常运转。通过在线演化方法，绕过错误单元使得电机恢复转动。实验结果证明，使用演化方法可以有效解决电路中的SA故障，提高电路的可靠性。

This paper researches the circuit self-repairing on the evolution technology by the use of Virtual Reconfigurable Circuit（VRC） technology in order to further improve the viability of electronic system under a severe environment. It builds a gate circuit model for the digital circuit evolution and designs a binary chromosome encoding according to VRC technology, puts forwards the working process to realize circuit self-repair and discusses ways to diagnose and repair circuit fault. In the simulation that a single particle in the space burns the logic gate in the DC brushless motor control circuit, common SA faults are produced, leading to abnormal operation of the motor. By means of online evolution method, ...