液压支架电液控制器的上电硬件自检系统设计
Design of Power-On Hardware Self-Test System for Electro-Hydraulic Controller of Hydraulic Support

为解决网络型液压支架控制器在功能组件和硬件故障排查中存在的效率低下和人工操作带来的安全隐患等问题，本文介绍了网络型液压支架控制器的功能、结构及其故障排查现状。本文分析了电液控制系统的工作原理提出了一种对控制器各功能组件进行“三级分类”的上电硬件自检系统。该自检系统根据液压支架控制器各功能组件对工作面其他设备的影响程度进行分类，在自检过程中对不同等级的异常采用不同的处理方式，从而在不增加安全风险的情况下，显著降低自检系统对工作面运行状态的影响。通过在工业级液压支架控制器实验平台的性能测试表明，该硬件自检系统的响应时间较短，并对工作面的工作效率影响较小。
In order to solve the problems of low efficiency and potential safety hazards caused by manual operation in the troubleshooting of functional components and hardware, this paper introduces the function, structure and troubleshooting status of networked hydraulic support controller. In this paper, the working principle of the electro-hydraulic control system is analyzed, and a power-on hardware self-test system is proposed to carry out “three-level classification” of each functional component of the controller. The self-test system is classified according to the influence degree of each functional component of the hydraulic support controller on other equipment on the working face, and different treatment methods are adopted for different levels of abnormalities in the self-test process, so as to significantly reduce the influence of the self-test system on the operating state of the working face without increasing the safety risk. Through performance tests carried out on the experimental platform of industrial-grade hydraulic support controllers, it has been manifested that the hardware self-checking system boasts a relatively short response time and imposes a fairly insignificant impact on the working efficiency of the working face.