Method and control apparatus for generating analog recurrent sig

Details Method and control apparatus for generating analog recurrent sig Method and control apparatus for generating analog recurrent sig

1993-06-18

1996-05-07

Voeltz, Emanuel T.

Boots, shoes, and leggings

36447416, 364575, 34082508, G06F 305

Patent

active

055152880

ABSTRACT:
A microprocessor-based apparatus provided as a dedicated control unit, which enables a standard software protocol to provide a digital presentation of security criteria associated with stable analog process data relating to recurrent processes in businesses and utilities. The general method introduced here provides security criteria data in two functional control loops: First, the I-criterion provides continuous monitoring of the input analog signal and interruptions thereof, which are presented in time units. Second, the Q-criterion provides the input analog signal conversion in digital form, and identifies the signal quality by determining whether it falls within or deviates from a standard tolerance range. In addition, a stochastic signal decomposition is performed to provide four 6-hour disjoint data files within a behavioristic control loop/each calendar day. The final output document is a rectangular digital format which can be adequately presented in printed or written form, enabling a fast response for local and strategic decision-making, including end user's feedback and use in a capable of standard data highway protocol.

REFERENCES:
International Standard ISO-9004, International Organization for Standardization p. 7.
"SPC May Really Become Process Control" Control Engrg. Jul. 1988, pp. 83-84.
"Computer-based relays protect distribution system", Elect. World, Jan. 1990/p. 51-52.
"SCADA System Outdated? Upgrade with EMS", Elect. World, Jan. 1990/pp.52-54 .

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