Download Control of Non-conventional Synchronous Motors by Jean-Paul Louis PDF

By Jean-Paul Louis

Classical synchronous vehicles are the simplest equipment to force business construction structures and robots with precision and rapidity. even though, a number of functions require effective controls in non-conventional situations.
Firstly, this can be the case with synchronous vehicles provided via thyristor line-commutated inverters, or with synchronous vehicles with faults on one or a number of phases.
Secondly, many force platforms use non-conventional cars comparable to polyphase (more than 3 levels) synchronous vehicles, synchronous cars with double excitation, everlasting magnet linear synchronous automobiles, synchronous and switched reluctance cars, stepping vehicles and piezoelectric motors.
This e-book offers effective controls to enhance using those non-conventional motors.

Contents

1. Self-controlled Synchronous Motor: ideas of functionality and Simplified keep an eye on 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 by means of PWM Inverters, Mohamed Fouad Benkhoris.
5. Vectorial Modeling and regulate of Multiphase Machines with Non-salient Poles provided via an Inverter, Xavier Kestelyn and Eric Semail.
6. Hybrid Excitation Synchronous Machines, Nicolas Patin and Lionel Vido.
7. complex regulate of the Linear Synchronous Motor, Ghislain Remy and Pierre-Jean Barre.
8. Variable Reluctance Machines: Modeling and keep an eye on, Mickael Hilairet, Thierry Lubin and Abdelmounaim Tounzi.
9. keep watch over of the Stepping Motor, Bruno Robert and Moez Feki .
10. keep watch over of Piezoelectric Actuators, Frederic Giraud and Betty Lemaire-Semail.

Content:
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 keep an eye on of the Double?star Synchronous computer provided by way of PWM Inverters (pages 125–159):
Chapter five Vectorial Modeling and regulate of Multiphase Machines with Non?salient Poles provided by means of an Inverter (pages 161–206):
Chapter 6 Hybrid Excitation Synchronous Machines (pages 207–239):
Chapter 7 complicated keep watch over of the Linear Synchronous Motor (pages 241–285):
Chapter eight Variable Reluctance Machines (pages 287–327):
Chapter nine keep watch over 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

Sample text

Definition of angles α, ϕ, ξ, ν and δ. 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.

7. Operation with a speed below the nominal speed Insofar as we can disregard the voltage drops on the winding resistances with respect to those on the winding inductances, a decrease in the speed of rotation at constant currents I and If and at constant advance firing angle α leads to a decrease in voltages at the machine terminals proportional to the decrease in speed. Indeed, both the emfs induced by the field winding and the voltage drops on the stator winding inductances are proportional to the electric speed of the rotor; whereas the value of angle μ is unaffected by the variation in frequency.

33] therein. 32], depend on ρ, μ and ν alone. 16]. 13]. Let us notice here and now that normally takes a value close to 2. 5. 14], Z keeps the constant value 2. Its mean value will therefore normally be slightly below 2. 4. General properties of coefficients , and Before developing the model further, it is useful to establish a few properties of the coefficients that can be found therein. 18] are fulfilled. 13]. 39], being the derivative of a periodic function, has a mean of 0.

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