By Jean-Paul Louis
Classical synchronous vehicles are the simplest equipment to force business creation platforms and robots with precision and rapidity. besides the fact that, various purposes require effective controls in non-conventional situations.
Firstly, this can be the case with synchronous automobiles provided via thyristor line-commutated inverters, or with synchronous cars with faults on one or numerous phases.
Secondly, many force platforms use non-conventional automobiles comparable to polyphase (more than 3 levels) synchronous vehicles, synchronous cars with double excitation, everlasting magnet linear synchronous automobiles, synchronous and switched reluctance automobiles, stepping cars and piezoelectric motors.
This booklet offers effective controls to enhance using those non-conventional motors.
1. Self-controlled Synchronous Motor: rules of functionality and Simplified regulate version, Francis Labrique and Francois Baudart.
2. Self-controlled Synchronous Motor: Dynamic version together with the habit of Damper Windings and Commutation Overlap, Ernest Matagne.
3. Synchronous Machines in Degraded Mode, Damien Flieller, Ngac Ky Nguyen, Herve Schwab and man Sturtzer.
4. keep watch over of the Double-star Synchronous computing device provided through PWM Inverters, Mohamed Fouad Benkhoris.
5. Vectorial Modeling and keep watch over of Multiphase Machines with Non-salient Poles provided by way of an Inverter, Xavier Kestelyn and Eric Semail.
6. Hybrid Excitation Synchronous Machines, Nicolas Patin and Lionel Vido.
7. complicated regulate of the Linear Synchronous Motor, Ghislain Remy and Pierre-Jean Barre.
8. Variable Reluctance Machines: Modeling and regulate, Mickael Hilairet, Thierry Lubin and Abdelmounaim Tounzi.
9. regulate of the Stepping Motor, Bruno Robert and Moez Feki .
10. keep watch over of Piezoelectric Actuators, Frederic Giraud and Betty Lemaire-Semail.
Chapter 1 Self?controlled Synchronous Motor (pages 1–31):
Chapter 2 Self?controlled Synchronous Motor (pages 33–66):
Chapter three Synchronous Machines in Degraded Mode (pages 67–124):
Chapter four regulate of the Double?star Synchronous computer provided via PWM Inverters (pages 125–159):
Chapter five Vectorial Modeling and keep watch over of Multiphase Machines with Non?salient Poles provided through an Inverter (pages 161–206):
Chapter 6 Hybrid Excitation Synchronous Machines (pages 207–239):
Chapter 7 complex keep an eye on of the Linear Synchronous Motor (pages 241–285):
Chapter eight Variable Reluctance Machines (pages 287–327):
Chapter nine regulate of the Stepping Motor (pages 329–373):
Chapter 10 regulate of Piezoelectric Actuators (pages 375–409):
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Additional resources for Control of Non-conventional Synchronous Motors
Since the overlap angle is not assumed to be zero, the model obtained will have at least one more degree of freedom, and thus need an additional equation to set this. It will have to remain simple enough to be used in a control system. 6. 2. Definition of angles ρ and μ. 9, but defined with respect to the magnetic axis of the field winding. 9, that was defined with respect to the magnetic axis of phase a. 1] Dynamic Model of a Self-controlled Synchronous Motor 35 where θem is the electric position of the rotor.
Using Garrido’s work, we have then built an equivalent model of the self-controlled synchronous machine that is similar to that of a DC machine. The results of the classical study, as much as the model of the equivalent DC machine, can be used to design the control system and regulation of the selfcontrolled synchronous machine. 15. List of the main symbols used A list of the main symbols used in this chapter and in Chapter 2 is given at the end of Chapter 2. 16. , Entraînements Électriques à Vitesse Variable, Technique et Documentation, Paris, France, 1997.
4, the overlap angle is defined as the difference between angle α at the start of a commutation and angle ξ at the end of a commutation. 3 can be defined as a function of ρ, μ and δ. 7] 2 where θem is the rotor electric position angle, which is equal to p ωm t for steady-state operation. 11] is function of ρ in a complicated way and of θem in a very different way. 13] only by its value module 180°. Indeed, subtracting or adding a value of 180° to ν leaves the value of these expressions unchanged.