Stabilization and synchronization for a mechanical system via adaptive sliding mode control
Zhankui Song1, Kaibiao Sun2, Shuai Ling1
1School of Information Science and Engineering, Dalian Polytechnic University, Dalian 116034, China.
ISA Transactions
|March 11, 2017
Summary
This study addresses chaotic centrifugal flywheel governor synchronization challenges. A novel control law effectively suppresses disturbances and compensates for parameter uncertainties, ensuring system stability and accurate tracking.
Area of Science:
- Control Systems Engineering
- Nonlinear Dynamics
- Mechanical Engineering
Background:
- Centrifugal flywheel governors are critical in regulating engine speed.
- Synchronization of chaotic systems presents significant control challenges.
- Underactuated systems require advanced control strategies for precise tracking.
Purpose of the Study:
- To investigate and solve the synchronization problem for chaotic centrifugal flywheel governors.
- To develop a robust control strategy for systems with parameter uncertainty and lumped disturbances.
- To ensure a slave governor system accurately follows a master governor system.
Main Methods:
- Sliding mode control strategy combined with Nussbaum gain technique.
- Development of adaptation updating algorithms based on Lyapunov stability analysis.
- Modeling the slave centrifugal flywheel governor as an underactuated following-system.
Main Results:
- A novel synchronization control law was successfully developed.
- Lumped disturbances were effectively suppressed.
- Adverse effects of parameter uncertainties were compensated, ensuring stability.
- Synchronization tracking errors were proven to converge near the origin.
Conclusions:
- The proposed control scheme demonstrates high effectiveness in synchronizing chaotic centrifugal flywheel governors.
- The method provides robust performance against parameter uncertainties and lumped disturbances.
- This research contributes a reliable control solution for complex governor systems.
Keywords:
Adaptive controlNon-autonomous centrifugal governorSliding mode controlSynchronization trackingMore Related Videos
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