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Universal joint dynamic balancing machines, digital filter

posttime:2014-10-28 11:32:46

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  Universal joint dynamic balancing machine digital filter in dynamic balance test system occupies a very important position, the test system, the dynamic unbalance measurement involves multiple circuit and analysis the processing link, due to the process of vibration signals collected by various interference, the accuracy of the information collected will be influenced by a certain degree, especially at low speed, under the condition of unbalance signal is small, will be very low signal-to-noise ratio. Therefore, universal joint can be accurately extracted from the strong noise unbalance signal is used as the basis of universal joint dynamic balancing machine precision.

  In the hardware design part can take certain measures to restrain interference, but the effectiveness of the measures can only have a certain degree, the end result is often can not meet the requirements. Interference exists, if you don't consider filtering, directly on the signal amplitude phase extraction, the error will be very big, test results for the actual application effect is often not satisfactory.

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