品牌:FCP270
起订:1件
供应:100件
发货:3天内
FCP270 FCP270 FCP270
进入20世纪80年代后,因为微电子技术的快速发展,电路的集成度越来越高,对伺服系统产生了很重要的影响,交流伺服系统的控制方式迅速向微机控制方向发展,并由硬件伺服转向软件伺服,智能化的软件伺服将成为伺服控制的一个发展趋势。
伺服系统控制器的实现方式在数字控制中也在由硬件方式向着软件方式发展;在软件方式中也是从伺服系统的外环向内环、进而向接近电动机环路的更深层发展。
联 系 人:李素云
QQ:1587052687 ,806403614
联系电话:0592-5165501
手机:18965423501
联系邮箱:1587052687@qq.com
联 系 人:李素云
QQ:1587052687 ,806403614
联系电话:0592-5165501
手机:18965423501
联系邮箱:1587052687@qq.com
目前,伺服系统的数字控制大都是采用硬件与软件相结合的控制方式,其中软件控制方式一般是利用微机实现的。这是因为基于微机实现的数字伺服控制器与模拟伺服控制器相比,具有下列优点:
(1) 能明显地降低控制器硬件成本。速度更快、功能更新的新一代微处理机不断涌现,硬件费用会变得很便宜。体积小、重量轻、耗能少是它们的共同优点。
(2) 可显著改善控制的可靠性。集成电路和大规模集成电路的平均无故障时(MTBF)大大长于分立元件电子电路。
(3) 数字电路温度漂移小,也不存在参数的影响,稳定性好。
(4) 硬件电路易标准化。在电路集成过程中采用了一些屏蔽措施,可以避免电力电子电路中过大的瞬态电流、电压引起的电磁干扰问题,因此可靠性比较高。
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