ℒ1-optimisation and process controllability analysis
ℒ1-optimisation and process controllability analysis
- Author(s): S. Chenery and S. Walsh
- DOI: 10.1049/cp:19960603
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- Author(s): S. Chenery and S. Walsh Source: UKACC International Conference on Control. Control '96, 1996 p. 503 – 508
- Conference: UKACC International Conference on Control. Control '96
- DOI: 10.1049/cp:19960603
- ISBN: 0 85296 666 0
- Location: Exeter, UK
- Conference date: 2-5 Sept. 1996
- Format: PDF
Controllability analysis is concerned with determining the limitations on achievable dynamic performance. This paper proposes ℒ1-optimisation as a useful linear controllability analysis technique for process applications. Performance requirements are expressed in terms of minimising the maximum deviation of selected variables over time. The analysis problem is solved as a linear program with constraints that capture fundamental process limitations to achievable control performance. Key characteristics of the solution method are presented. Some suggestions for how to handle limitations of the method due to the nature of the disturbance and controller descriptions are discussed. To demonstrate the ℒ1-optimisation method it is applied to an industrial case study. Finally an adaptation of the ℒ1-optimisation framework to incorporate economic performance objectives is presented.
Inspec keywords: controllability; process control; optimisation; minimisation; linear programming
Subjects: Control technology and theory (production); Control system analysis and synthesis methods; Control applications in manufacturing processes; Optimisation techniques; Control in industrial production systems; Industrial processes; Optimisation; Manufacturing processes
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