Process for monitoring a machine or installation
First Claim
1. A process for monitoring a machine or system comprising a first step where the overall monitoring of the machine or the system is made by the linkage of monitoring subfunctions determined in compliance with the machine or system components, a second step where sensor signals to machine or system components are acquired as input variables and transmitted to a signal processing, a third step where the output variables of signal processing are processed to characteristics by means of an adaptive, control-based process, a fourth step where a control basis is generated for each machine or system component to be monitored, a fifth step where the obtained characteristics are evaluated in the monitoring subfunctions as per quantity by means of a membership function, a sixth step where the control basis is processed by means of the quantified characteristics and the output variables are obtained by defuzzification, a seventh step where the output variables of the monitoring subfunctions obtained in such a way are transmitted to the overall monitoring and an eighth step where these variables are combined in the overall monitoring by means of conventional or fuzzy logics to a monitoring information.
2 Assignments
0 Petitions
Accused Products
Abstract
In a process for monitoring a machine or installation, signals from sensors positioned on components of the machine or installation are transmitted to a signal-conditioning unit. Conditioned sensor signals from the signal-conditioning unit are further processed. The machine or installation components to be monitored are mapped in machine or installation objects, and the machine or installation objects are combined. Ultimately, rule-based monitoring statements are obtained utilizing the combined objects.
34 Citations
3 Claims
- 1. A process for monitoring a machine or system comprising a first step where the overall monitoring of the machine or the system is made by the linkage of monitoring subfunctions determined in compliance with the machine or system components, a second step where sensor signals to machine or system components are acquired as input variables and transmitted to a signal processing, a third step where the output variables of signal processing are processed to characteristics by means of an adaptive, control-based process, a fourth step where a control basis is generated for each machine or system component to be monitored, a fifth step where the obtained characteristics are evaluated in the monitoring subfunctions as per quantity by means of a membership function, a sixth step where the control basis is processed by means of the quantified characteristics and the output variables are obtained by defuzzification, a seventh step where the output variables of the monitoring subfunctions obtained in such a way are transmitted to the overall monitoring and an eighth step where these variables are combined in the overall monitoring by means of conventional or fuzzy logics to a monitoring information.
Specification
-
- Resources
-
Current AssigneeSchenck Vibro GmbH
-
Original AssigneeCARL Schenck AG (Durr AG)
-
InventorsWolf, Harald, Wehhofer, Josef, Voegele, Joachim
-
Primary Examiner(s)Barlow, Jr., John E.
-
Assistant Examiner(s)MILLER, CRAIG S
-
Application NumberUS08/717,227Time in Patent Office789 DaysField of Search364/550, 364/551.01, 364/552, 364/554, 395/1, 395/10, 395/50, 395/60, 395/61-68, 395/902, 395/911, 73/649, 73/658, 73/660, 702/134, 702/135, 702/189US Class Current702/189CPC Class CodesG05B 19/4063 Monitoring general control ...G05B 2219/33295 Fuzzy expert system for dia...G05B 2219/33324 What to diagnose, whole sys...G05B 23/0229 knowledge based, e.g. exper...
