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target="_blank">数控机床</a>在我国的使用非常的普遍,因为其高性能受到广大爱好者的喜爱。但在使用它的过程中,也总会遇到一些故障问题,常见的就是振荡故障。它一般发生在<a href="http://www.operacija-nosa.com/supply/17.html" target="_blank">机械</a>部分和进给伺服系统。下面浙江数?a href="http://www.operacija-nosa.com/supply/19.html" target="_blank">机床</a>厂家?b>钻攻中心厂家</b>以及<b>浙江加工中心</b>厂家介绍一下关于如何消除这个浙江数控机床的振荡问题?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">1.降低位置环增?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">比例微积分器是一个多功能控制器,它不仅能有效地对电流电压信号进行比例增益,同时可调节输出信号滞后成超前的问题,振荡故障有时因输出电流电压发生滞后成超前情况而产生,这时可通过PID来调节输出电流电压相位?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">2.闭环伺服系统造成的振?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">有些数控伺服系统采用的是半闭环装置,而全闭环伺服系统是在其局部半闭环系统不发生振荡的前提下进行参数调整,所以两者大同小异?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">3.采用高频抑制功能</span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">以上讨论的是有关低频振荡时参数优化方法,而有时数控系统会因机械上某些振荡原因产生反馈信号中含有高频谐波,这使输出转矩里不恒定,从而产生振动。对于这种高频振荡情况,可在速度环上加入一阶低通滤波环节,即为转矩滤波器?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">速度指令与速度反馈信号经速度控制器转化为转矩信号,转矩信号通过一阶滤波环节将高频成分截止,从而得到有效的转矩控制信号。通过调节参数可将机械产生?00Hz以上的频率截止,从而达到消除高频振荡的效果?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;"><img style="max-width:100%;" src="http://www.operacija-nosa.com//uploads/image/20180831/20180831155351_4375.jpg" alt="" /><br /> </span> </p> <p style="text-indent:2em;"> <br /> </p> <p style="text-indent:2em;"> <br /> </p> <p style="text-indent:2em;"> <br /> </p></p> </div> <div class="tag">相关标签?a href='/key.aspx?k=%e6%b5%99%e6%b1%9f%e6%95%b0%e6%8e%a7%e6%9c%ba%e5%ba%8a'>浙江数控机床</a>,</div> <p><div>上一?<a href="http://www.operacija-nosa.com/148.html">浙江加工中心的使用优势有哪些?/a></div> <div>下一?<a href="http://www.operacija-nosa.com/146.html">浙江钻攻中心的应用需要做好哪些事项?</a></div> </p> <div 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