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Visar resultat 1 - 5 av 44 avhandlingar som matchar ovanstående sökkriterier.
1. Automatic Controller Tuning using Relay-based Model Identification
Sammanfattning : Proportional-integral-derivative (PID) controllers are very common in the process industry. In a regular factory there may be hundreds or thousands of them in use. LÄS MER
2. Automatic Instance-based Tailoring of Parameter Settings for Metaheuristics
Sammanfattning : Many industrial problems in various fields, such as logistics, process management, orproduct design, can be formalized and expressed as optimization problems in order tomake them solvable by optimization algorithms. However, solvers that guarantee thefinding of optimal solutions (complete) can in practice be unacceptably slow. LÄS MER
3. Automatic Tuning of PID Controllers Based on Asymmetric Relay Feedback
Sammanfattning : This thesis presents an improved version of the classic relay autotuner. The proposed autotuner uses an asymmetric relay function to better excite the process in the experiment phase. The improved excitation provides the possibility to obtain better models and hence better tuning, without making the autotuner more complicated or time consuming. LÄS MER
4. Relay Feedback and Multivariable Control
Sammanfattning : This doctoral thesis treats three issues in control engineering related to relay feedback and multivariable control systems. Linear systems with relay feedback is the first topic. Such systems are shown to exhibit several interesting behaviors. LÄS MER
5. Simplified Wiener LMS tracking with automatic tuning of the step-size
Sammanfattning : .... LÄS MER