From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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自带范例的故障导致该抖动现象。下一版SMDM会修复该故障,但是该故障也可以由用户轻易修复。
故障:
"Servo Position Loop (FPGA).vi"中前面板的 "Spline Data Updated - Axis 1" 控件的机械动作为“释放时触发”。该范例本来是希望该机械动作设置为“单击时转换”的。错误的机械动作导致了FPGA代码检测每隔一次的曲线更新,因此运动在每隔一次RT循环间暂停。
修复:
将 "Spline Data Updated - Axis 1" 的机械动作改为“单击时转换”。
注:在"Servo Position Loop"范例中还有其他不严重的问题。根据本篇KB "Servo Position Loop" 范例的已知故障已经修复,附件中的范例是使用NI SoftMotion Development Module 2.1 和 LabVIEW 8.2.1生成的。
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