Method and apparatus for filtering vibration signal of machine and computer readable storage medium for storing the method

An apparatus for filtering a vibration signal of a machine, the apparatus being applied to at least one machine and comprising:

• a controller coupled with the at least one machine to output a control signal to control an operation process of the at least one machine;
• a sensor coupled with the at least one machine to sense a vibration of the at least one machine in the operation process to output a sensing signal;
• a signal generating unit coupled with the sensor to generate a vibration signal concerned with the vibration according to the sensing signal;
• a searching unit coupled with the controller and a database to generate a filtering bench-mark point according to the control signal, wherein the searching unit gathers a plurality characteristic signals and a plurality of corresponding filtering vibration signals in the database according to the filtering bench-mark point;
• and
• a filtering unit coupled with the searching unit and the signal generating unit to filter the vibration signal according to the characteristic signals and the corresponding filtering vibration signals to generate a filtered vibration signal. The apparatus of claim 10, wherein the signal generating unit generates transforms the sensing signal from time domain to frequency domain to generate the vibration signal.

A non-transitory computer readable storage medium with a computer program to execute a method for filtering a vibration signal of a machine, the method being applied to at least one machine and comprising:

• generating a control signal to control an operation process of the at least one machine;
• sensing a vibration of the at least one machine in the operation process to output a sensing signal;
• reading the control signal and the sensing signal to generate a vibration signal concerned with the vibration according to the sensing signal;
• generating a filtering bench-mark point according to the control signal to gather a plurality characteristic signals and a plurality of corresponding filtering vibration signals in a database according to the filtering bench-mark point;
• and
• filtering the vibration signal according to the characteristic signals and the corresponding filtering vibration signals to generate a filtered vibration signal.