Boots – shoes – and leggings
Patent
1995-02-06
1997-04-01
Gordon, Paul P.
Boots, shoes, and leggings
340525, 376216, 376259, G05B 902
Patent
active
056173113
ABSTRACT:
An information system for a complex plant which clearly presents to the operator, in parallel as alarms, abnormal process changes which the operator can, at his discretion, manually respond to either to prevent conditions from deteriorating further to the point where automatic protective actuations will be initiated or where automatic protective actuations have not been completed because of a malfunction or were completed but have not been successful. Such alarms are displayed on a dedicated alarm display panel which spatially groups components and subsystems to show appropriate relationships, with the alarm messages shown in the associated area of the display so that possible disturbance propagation can be foreseen. Messages related to uncompleted automatic protective actuations may include a list of faults which prevented completion of those actuations. A separate accomplished action display presents information regarding automatic protective actuations which have been completed together with a confirmation list detailing components and subsystems actuated. The completed automatic protective actuations can be echoed onto the alarm display panel for a limited period of time to alert the operator that the automatic system has responded.
REFERENCES:
patent: 4816208 (1989-03-01), Woods et al.
patent: 4853175 (1989-08-01), Book, Sr.
patent: 5247447 (1993-09-01), Korncoff et al.
Back-fitting a Fully Computerized Alarm System into a Westinghouse PWR: A Progress Report; by J.R. Easter and L.Lot presented at the Conference on Human Factors and Power Plants, Jun. 8 through 11, 1992, Monterey, CA; Transactions of IEEEE Fifth Conference on Human Factors in Power Plants; pp. 338-341.
Easter James R.
Impink, Jr. Albert J.
Garland Steven R.
Gordon Paul P.
Westinghouse Electric Corporation
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