| Summary: | For problem that traditional rope guider applied in small hoist of coal mining could not realize long time consecutive and orderly steel rope aligning and is easy to cause rope wear or even broken, a new type of digital intelligent rope guider was designed. Designs of basic structure, working principle and important components were expounded, and implementation of PID control and feed forward control algorithm were analyzed. The rope guider adopts intelligent digital control technology to realize real-time accurate following, accurate and timely automatic reversing, and real-time error compensation. Application examples in small hoist of coal mining demonstrate the intelligent digital rope guider has good effect.
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