Dissertation > Excellent graduate degree dissertation topics show

Chaos Oscillation Control of Parallel Diesel Generators

Author: XuMengZuo
Tutor: HuangManLei
School: Harbin Engineering University
Course: Proceedings of the
Keywords: Ship Power System Diesel generator sets Chaotic oscillations PID control Nonlinear H_ ∞ Robust Control
CLC: TM314
Type: Master's thesis
Year: 2011
Downloads: 65
Quote: 0
Read: Download Dissertation

Abstract


By the ship, the ship of changes in the external environment will be impacted to varying degrees, repeatedly observed in ship power system chaotic oscillation phenomenon, especially in the case of marine electric propulsion continue to be developed to avoid a ship power system disturbances cause system crashes and equipment damage is particularly important. Chaos theory is an important research in nonlinear science has penetrated into many other disciplines as well as engineering. With the increasing scale of ship power system, the non-linear characteristics of more and more obvious, chaotic motion behavior will occur under certain conditions, rules electromechanical oscillations, pose a threat to the safe and stable operation of the system. Based on this, based on the theory of chaotic dynamics to study the ship's power system chaotic dynamical behavior of the characteristics of induced mechanism, and ship power system chaotic phenomena detection methods and effective measures to eliminate the oscillation. First of all, on the basis of a single diesel generator model, coupled with parallel coupling relationship of voltage and current and load current relationship established nonlinear mathematical model of the ship power system diesel generator sets Two Parallel, including speed control system model and regulator system model . In this paper, the characteristics of the diesel engine, and consider the generator excitation transient process of change, ignoring the role of damper winding, compared to the previously used model dimension is higher, more accurate representation of the characteristics of the diesel generator set. Design speed control and voltage control using conventional PI control method, to verify the validity of the mathematical model built before and after the two generators in parallel waveform diagram obtained by simulation. Secondly, the use of the observation method and Lyapunov exponent analysis combined analysis of Two Parallel chaotic oscillation phenomenon, both from an intuitive point of view and from the point of view of the characteristics of the system are analyzed chaotic dynamics characteristics. Lyapunov exponent analysis as the criterion of the analysis of chaotic oscillations generated using the Jacobian method for solving the Lyapunov exponent of the dual system of single diesel generator set, will be the Lyapunov exponent spectrum as judged by the criterion of the chaotic conditions, obtained by simulation corresponds to the power angle speed of the generator set under different conditions the phase diagram and time-varying waveform diagram to verify the accuracy of the resulting Lyapunov exponents. Again, taking into account cycle power disturbances affect the electromechanical transient model, has no effect on the excitation transient model. H ∞ robust control system model parameters is robust, does not depend on the precise mathematical model. And the ship's power system is subject to external interference factors, is strongly nonlinear system, so the use of non-linear H ∞ robust control methods for the design of the governor. Large view of the robust nonlinear control method, the design process is complex, it is still using the PI control method designed excitation controller. Simulation results show that chaotic motion controller design, diesel generator sets Two Parallel system has been rapid inhibition.

Related Dissertations

  1. Research on Ducted Fan Unmanned Vehicle Autonomous Modeling and Control Strategies,V249.122
  2. Research on the Control and Remedy of Nanopositioning Stage Drived by Piezo Material Lead Zirconate Titanate,TP273
  3. Design the Control System of Ocean Wave’s Simulation Table Based on Theory of Fuzzy Turning PID,TP273.4
  4. Multilayer coextrusion drooling forming process temperature control technology,TQ320.721
  5. Study on Industrial Boiler Water Level Control System,TP273
  6. The Research of Mobile Machine Vision Navigation and Obstacle Avoidance System,TP242
  7. The Vibration Synchronization and the Control of Amplitude in Sharp Resonance Vibration Machine,TB535
  8. Automotive the starter performance of high-precision high stability of the test method and application,U467
  9. Research of Control Strategy Based on the Electro-hydraulic Proportional Position Control System,TH137.52
  10. Research on Machine Vision High-speed Positioning System Based on Linear Motor,TM33
  11. Reseach and Design of Servo Control System for Vehicle-borne Mobile Satellite Communication System,TN927.21
  12. Modeling and Control of AirBall System,TP391.9
  13. The Research and Application of PID Parameters Self-tuning,TP273
  14. Ballistic missile target in a Gliding Range Design and Control System,TJ06
  15. Labview-based PCR chip temperature control system,TP274
  16. Based on the LPC2478 new artificial climate chamber design and implementation,P414
  17. Mechanical electronic and electronically controlled continuously variable transmission system hardware simulation design studies,U463.212
  18. On Fuzzy PID series motor speed control and parameter visual debugging,TM31;TP391.41
  19. Based on Embedded System controlled greenhouse environment parameters,TP273.5
  20. Complex process control system design and control strategy,TP273
  21. Cricket fuzzy adaptive control system,TP273.4

CLC: > Industrial Technology > Electrotechnical > Motor > Generators, large the generator group ( Zonglun,) > Power Generator
© 2012 www.DissertationTopic.Net  Mobile