By Jean?Paul Louis(auth.)
Synchronous automobiles are surely the simplest equipment to force business creation platforms and robots with precision and rapidity. Their keep an eye on legislations is therefore serious for combining while excessive productiveness to decreased strength consummation. so far as attainable, the keep watch over algorithms needs to make the most the houses of those actuators. consequently, this paintings attracts on good tailored types as a result of the Park’s transformation, for either the main conventional machines with sinusoidal box distribution and for machines with non-sinusoidal box distribution that are a growing number of utilized in undefined. either, traditional keep watch over concepts like vector regulate (either within the synchronous reference body or within the rotor body) and complicated keep watch over theories like direct regulate and predictive keep an eye on are completely awarded. during this context, an important position is reserved to sensorless keep an eye on that is a huge and demanding factor in tomorrow’s motors.Content:
Chapter 1 Synchronous motor controls, difficulties and Modeling (pages 1–48):
Chapter 2 optimum provide and Synchronous vehicles Torque regulate (pages 49–117):
Chapter three optimum provides and Synchronous vehicles Torque Controls. layout within the d?q Reference body (pages 119–172):
Chapter four force Controls with Synchronous cars (pages 173–220):
Chapter five electronic Implementation of Vector regulate of Synchronous cars (pages 221–250):
Chapter 6 Direct keep watch over of an everlasting Magnet Synchronous laptop (pages 251–281):
Chapter 7 Synchronous desktop and Inverter Fault Tolerant Predictive Controls (pages 283–304):
Chapter eight Characterization of regulate with no Mechanical Sensor in everlasting Magnet Synchronous Machines (pages 305–346):
Chapter nine Sensorless keep watch over of everlasting Magnet Synchronous Machines: Deterministic equipment, Convergence and Robustness (pages 347–400):
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Additional resources for Control of Synchronous Motors
Flux and flux derivatives (thus of the back-EMF images) with non-sinusoidal distribution (in reduced magnitudes). Note: the index “ns” indicates the non-sinusoidal case Problems and Modeling 23 In this account, the non-sinusoidal examples have been chosen so that they all have the same first harmonic (or fundamental). 7. 9. It is frequent that these non-sinusoidal machines are studied within the meaning of the first harmonic, but, we can perform much more precise studies relative to all the harmonics, as we will show in Chapter 2.
24] remain usable, but it is more practical to clarify a certain number of results. 6. Flux (top curves) and flux derivatives (thus an image of the back-EMF, bottom curves) of a synchronous sinusoidal distribution motor (in reduced magnitudes). 6 gives the respective flux speeds and flux derivatives in reduced magnitudes. 2. 1. Expression of the electromagnetic torque The sinusoidal continuous rating is a very important classical case, in which we can clearly see the fundamental properties. Its properties are conventional [LED 09].
1. General notations – p1 : number of pairs of poles; – t: time; – s: index of the sinusoidal case; – tr: index of the trapezoidal case; – ns: index of the non-sinusoidal case. Problems and Modeling 41 Three-phase variables in the natural reference frame: – (i3 ) = (ia – (v3 ) = (va t ic ) : stator currents; ib t vc ) : stator supply voltages; vb – (ψ 3 ) = (ψ a t ψ c ) : stator flux; ψb – (ψ3 f ) = (ψ af ψ cf ) : flux created by excitation in the stator phases; t ψbf – (ψ '3 f ) = (ψ 'af ψ 'bf ψ 'cf ) : derivative (with respect to the position) of the t flux created by excitation in the stator phases; – (e3 f ) = (ea eb t ec ) : stator counter electromotive forces (back-EMF).
Control of Synchronous Motors by Jean?Paul Louis(auth.)