METHOD AND APPARATUS FOR FILTERING VIBRATION SIGNAL OF MACHINE AND COMPUTER READABLE STORAGE MEDIUM FOR STORING THE METHOD
First Claim
1. 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 by a controller to control an operation process of the at least one machine;
sensing a vibration of the at least ne machine in the operation process by a sensor to output a sensing signal;
reading the control signal and the sensing signal by a signal generating unit, wherein the signal generating unit generates a vibration signal concerned with the vibration according to the sensing signal;
generating a filtering bench-mark point by a searching unit according to the control signal, wherein the searching unit gathers 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 by a filtering unit according to the characteristic signals and the corresponding filtering vibration signals to generate a filtered vibration signal.
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Abstract
A method for filtering a vibration signal of a machine includes generating a control signal by a controller to control an operation process of the machine, sensing a vibration of the machine by a sensor in the operation process to output a sensing signal, reading the control signal and the sensing signal by a signal generating unit to generate a vibration signal concerned with the vibration according to the sensing signal, generating a filtering bench-mark point by a searching unit according to the control signal to gather characteristic signals and filtering vibration signals in a database by the searching unit according to the filtering bench-mark point, and filtering the vibration signal by a filtering unit according to characteristic signals and filtering vibration signals to generate a filtered vibration signal.
2 Citations
19 Claims
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1. A method for filtering a vibration signal of a machine, the method being applied to at least one machine and comprising:
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generating a control signal by a controller to control an operation process of the at least one machine; sensing a vibration of the at least ne machine in the operation process by a sensor to output a sensing signal; reading the control signal and the sensing signal by a signal generating unit, wherein the signal generating unit generates a vibration signal concerned with the vibration according to the sensing signal; generating a filtering bench-mark point by a searching unit according to the control signal, wherein the searching unit gathers 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 by a filtering unit according to the characteristic signals and the corresponding filtering vibration signals to generate a filtered vibration signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for filtering a vibration signal of a machine, the apparatus being applied to at least one machine and comprising:
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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. - View Dependent Claims (15, 16, 17, 18)
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12. The apparatus of claim 11, wherein the searching unit further comprises a determination module that determines whether the at least one machine in the operation process is in a shutdown state;
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when the determination module determines the at least one machine is in the shutdown state, the searching unit writes the vibration signal into the database to act as a filtering vibration signal which corresponds to a characteristic signal of the at least one machine in the shutdown state. - View Dependent Claims (13, 14)
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19. 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:
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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.
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Specification