液压支架电液控制系统自动化测试平台研制

摘要

In view of problems of high cost,low test efficiency and unable to record test data automatically of functional test methods of existing electro-hydraulic control system of hydraulic support,and in order to verify adaptability of control logic of the electro-hydraulic control system of hydraulic support to working condition of fully mechanized coal mining face,an automatic test platform of electrohydraulic control system of hydraulic support was developed by taking SAC hydraulic support electrohydraulic control system as research object.The test platform uses a test management platform to coordinate multiple test devices to execute test cases collaboratively,adopts simulation technology to simulate data changing process of various sensors,and uses multiple communication networks to real timely collect test data,uses switching of multiple relays to realize multi-function complex.The test platform can realize automatic configuration and management of port function of detection device according to the specific application of fully mechanized coal mining face,and can realize single function test,group function test,automatic following function test and automation adaptability test of working condition of fully mechanized coal mining face,which improves test efficiency and test accuracy,provides an effective means to study adaptability of the electro hydraulic control system under complex working conditions such as roof caving and floor bump on fully mechanized mining face.%针对现有液压支架电液控制系统功能测试方法存在实现成本高、测试效率低、无法自动记录测试数据的问题,同时为了便捷验证液压支架电液控制系统的控制逻辑对综采工作面工况的适应性,以SAC型液压支架电液控制系统为研究对象,研制了一种液压支架电液控制系统自动化测试平台.该测试平台采用测试管理平台协调多个检测装置协同执行测试用例,利用仿真技术模拟各种传感器数据的变化过程,利用多路通信网络实现测试数据的实时汇总,利用多路继电器切换实现多功能的复用,可以根据具体的综采工作面应用配套实现检测装置端口功能自动化配置和管理,实现了液压支架电液控制系统的单动功能测试、成组功能测试、自动跟机功能测试及综采工作面工况适应性测试的自动化,提高了测试效率和测试准确性,为研究综采工作面顶板垮落、底板凹凸等复杂工况下电液控制系统的自适应性提供了有效手段.