By Jean?Paul Louis(auth.)
Synchronous cars are indisputably the simplest equipment to force commercial creation structures and robots with precision and rapidity. Their keep an eye on legislation is hence serious for combining even as excessive productiveness to diminished strength consummation. so far as attainable, the keep watch over algorithms needs to take advantage of the homes of those actuators. hence, this paintings attracts on good tailored types due to 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 thoughts like vector keep watch over (either within the synchronous reference body or within the rotor body) and complex keep an eye on theories like direct regulate and predictive keep watch over are completely offered. during this context, an important position is reserved to sensorless keep an eye on that is an immense and important 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 cars Torque Controls. layout within the d?q Reference body (pages 119–172):
Chapter four force Controls with Synchronous vehicles (pages 173–220):
Chapter five electronic Implementation of Vector keep an eye on of Synchronous cars (pages 221–250):
Chapter 6 Direct regulate of an enduring Magnet Synchronous computing device (pages 251–281):
Chapter 7 Synchronous computing device and Inverter Fault Tolerant Predictive Controls (pages 283–304):
Chapter eight Characterization of keep watch over with no Mechanical Sensor in everlasting Magnet Synchronous Machines (pages 305–346):
Chapter nine Sensorless keep an eye on of everlasting Magnet Synchronous Machines: Deterministic tools, Convergence and Robustness (pages 347–400):
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Additional resources for Control of Synchronous Motors
2. 2. Electromagnetic torque optimization: self-control In the upcoming controls of the synchronous machine that we will see in Chapter 2, the phase displacement α is imposed and is then called the “delay angle”. It is common that we seek to maximize sin (α ) , in order to minimize the efficient amplitude I1 (consequently, we minimize the Joule losses for a given torque). 36]). The “self-control” concept is thus immediately deduced from the synchronous machine properties. We justify it here from its modeling.
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. 47] (Note: the index “ns” indicates the nonsinusoidal case). 10 compares the flux derivatives for the three cases: sinusoidal, nonsinusoidal, trapezium ( δ = π 6 ). If we consider that the “non-sinusoidal case” is the general case, we can admit that the trapezoidal and the sinusoidal case are two levels of approximation and idealization.
It is common that we seek to maximize sin (α ) , in order to minimize the efficient amplitude I1 (consequently, we minimize the Joule losses for a given torque). 36]). The “self-control” concept is thus immediately deduced from the synchronous machine properties. We justify it here from its modeling. 38] (“direct model”). 7. 40]: the current is in phase with the flux derivative (in reduced magnitudes, the curves are superimposed). The torque is quite constant, without oscillations, and for a given amplitude I, it is at its maximum.
Control of Synchronous Motors by Jean?Paul Louis(auth.)