该文针对公司产品JYL621E在试验中出现的坡道不能起步和制动缓慢的问题,通过对JYL621E行走制动伺服控制系统进行分析,找出问题症结所在,并提出合理改进意见,经试验证明改进措施有效,问题得以解决,提高了主机的安全性能,进一步完善了产品.%This paper aimed at the problems of JYL621E appeared in test including can't start in ramp and brake slow,found out the reasons through analysis about its travelling and braking servo control system,gave reasonable suggestions proved effective for improvement,improved the safety performance of the product.
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