Input screening method for disturbance rejection
Input screening method for disturbance rejection
- Author(s): Y. Cao and D. Rossiter
- DOI: 10.1049/cp:19960602
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- Author(s): Y. Cao and D. Rossiter Source: UKACC International Conference on Control. Control '96, 1996 p. 497 – 502
- Conference: UKACC International Conference on Control. Control '96
- DOI: 10.1049/cp:19960602
- ISBN: 0 85296 666 0
- Location: Exeter, UK
- Conference date: 2-5 Sept. 1996
- Format: PDF
The control structure selected has a strong effect on the performance of a closed loop system with respect to its disturbance rejection capability. But the methods used for its selection usually result in a combinatorial problem. To overcome this difficulty, an input pre-screening criterion, the input-disturbance alignment (IDA) measure, is proposed. Some important features of the new indicator and its relationship with other well-known controllability measures are presented. The case study included shows that the IDA can be used for efficient selection of manipulated variables from a large number of candidate inputs. These then form the best control structure for disturbance rejection.
Inspec keywords: transfer function matrices; controllability; process control; closed loop systems
Subjects: Control applications in manufacturing processes; Manufacturing processes; Industrial processes; Algebra; Algebra; Control in industrial production systems; Control technology and theory (production); Control system analysis and synthesis methods
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