System for monitoring an industrial or biological process
First Claim
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1. A method for monitoring an industrial testing process, comprising the steps of:
- (a) providing to a data acquisition system a set of industrial testing signals over a time length and a reference signal over another time length, said industrial testing signals and said reference signal being aperiodic within said time lengths;
(b) adjusting the time length of the industrial signals to the time length of the reference signal, forming a difference between the time length adjusted industrial signals and the reference signal; and
(c) outputting the difference between the time length adjusted testing signals and the reference signal for variance minimization and repeating steps (b) and (c) until achieving a minimum variance.
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Abstract
A method and apparatus for monitoring and responding to conditions of an industrial process. Industrial process signals, such as repetitive manufacturing, testing and operational machine signals, are generated by a system. Sensor signals characteristic of the process are generated over a time length and compared to reference signals over the time length. The industrial signals are adjusted over the time length relative to the reference signals, the phase shift of the industrial signals is optimized to the reference signals and the resulting signals output for analysis by systems such as SPRT.
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Citations
16 Claims
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1. A method for monitoring an industrial testing process, comprising the steps of:
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(a) providing to a data acquisition system a set of industrial testing signals over a time length and a reference signal over another time length, said industrial testing signals and said reference signal being aperiodic within said time lengths; (b) adjusting the time length of the industrial signals to the time length of the reference signal, forming a difference between the time length adjusted industrial signals and the reference signal; and (c) outputting the difference between the time length adjusted testing signals and the reference signal for variance minimization and repeating steps (b) and (c) until achieving a minimum variance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for monitoring an industrial process, comprising the steps of:
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(a) providing to a data acquisition system a set of industrial signals over a time length and a reference signal over another time length, said industrial signals and said reference signal being aperiodic within said time lengths; (b) adjusting the time length of the industrial signals to the time length of the reference signal; (c) performing a phase shift optimization of the industrial signals relative to the reference signal; and (d) outputting for analysis the difference between the time adjusted and phase shift optimized industrial signals and determining a minimum variance for the difference. - View Dependent Claims (10, 11, 12, 13)
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14. An apparatus for monitoring an industrial process, comprising:
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(a) means for providing to a data acquisition system a set of aperiodic industrial signals within a time length and an aperiodic reference signal over another time length; (b) means for adjusting the time length of the industrial signals to the another time length of the reference signal; and (c) means for outputting the time length adjusted industrial signals for achieving a minimum variance of the difference between the industrial signal and the reference signal. - View Dependent Claims (15, 16)
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Specification