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本文论述了一台微机控制的可控硅－直流电机调速系统。本系统采用一台１６位的微型机ＭＣ６８ＫＥＣＢ实现数字控制。利用计算机的灵活性还提供了：（１）在不同速度范围内可改变增益的自适应控制；（２）速度环输出的变限幅控制；（３）电流阈值负反馈；（４）控制参数的在线监测、动态显示和保护。
This article discusses a microcomputer-controlled thyristor - DC motor speed control system. The system uses a 16-bit Microcomputer MC68KECB digital control. The use of computer flexibility also provides: (1) adaptive control that varies gain over different speed ranges; (2) variable amplitude control of the speed loop output; (3) negative feedback of the current threshold; (4) control parameters Online monitoring, dynamic display and protection.