A Unified Approach to the Very Fast Torque Control Methods for DC and AC Machines

Serrano-Iribarnegaray, L.; Martínez-Román, Javier

doi:10.1109/tie.2007.895148

Cited by 16 publications

(12 citation statements)

References 26 publications

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“…8 (an extension of the first control scheme in [28]) is just one example. All the other three phase control schemes in [28] for PMSM, IM and DFAM can be extended in a similar manner to MM´s.…”

Section: Fast Torque Control Of Multi-phase Machinesmentioning

confidence: 99%

“…Thus, pulsational emfs should be considered a waste of resources (increasing in machine and converter sizes) and time (slower dynamic answer) and are always to be avoided. This simple idea constitutes the GAFTOC principle [28], from which all the oth-er control methods can be deduced. Yet, implementing the GAFTOC becomes very simple in the SPhTh: it boils down to keep constant the magnitude of every  space phasor and to change only its rotational speed.…”

Section: Excellent Suitability For Electronic Control Studiesmentioning

confidence: 99%

“…Interesting investigations on converted fed multiphase machines (MM´s) have been known for several decades (e. g. [22] [28].…”

Section: Introductionmentioning

confidence: 99%

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Space phasor theory and control of multiphase machines through their decoupling into equivalent three-phase machines

Serrano-Iribarnegaray

2013

Electr Eng

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Section: Fast Torque Control Of Multi-phase Machinesmentioning

confidence: 99%

Section: Excellent Suitability For Electronic Control Studiesmentioning

confidence: 99%

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Space phasor theory and control of multiphase machines through their decoupling into equivalent three-phase machines

Serrano-Iribarnegaray

2013

Electr Eng

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“…Two main schools of thought have emerged in this regard, namely, DTC [11]- [20] and FOC [1], [21]- [30], although it is not always possible to make such clear distinction, and sometimes, a combination of methods or a different approach is used [31], [32].…”

mentioning

confidence: 99%

Optimal Torque Control of Synchronous Machines Based on Finite-Element Analysis

Köck¹,

Rix

Kamper

2010

IEEE Trans. Ind. Electron.

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Synchronous machines that are optimally designed using finite-element (FE) software, and control of such machines using powerful digital signal processors (DSPs), are commonplace today. With field-orientated control, the maximum-torqueper-ampere control strategy for unsaturated voltage conditions (below the base speed) is well known; the field-weakening strategy, however, could be rather complicated. In this paper, a straightforward torque control strategy for the entire speed range is proposed and demonstrated. Practical implementation of the method is very simple since the calculations are done offline in an automated process and are therefore removed from the load of the DSP. The process relies on machine-specific data from FE analysis and therefore includes nonlinear effects such as saturation and cross coupling. Simulation and practical results for a permanentmagnet and a reluctance synchronous machine show that the torque is controlled effectively in the entire speed range using this generic method. Index Terms-Finite-element (FE) analysis, synchronous machines, torque control. NOMENCLATURE u r Stator-voltage vector in the rotating dq reference frame. α r Stator-voltage angle in the rotating dq reference frame. i r Stator-current vector in the rotating dq reference frame. φ r Stator-current angle in the rotating dq reference frame. ψ r Stator-flux-linkage vector in the rotating dq reference frame. δ r Stator-flux-linkage angle in the rotating dq reference frame. ω r Electrical rotational speed. R s Stator resistance. T m Machine torque. p Number of pole pairs. PMSM Permanent-magnet synchronous machine. IPMSM Interior permanent-magnet synchronous machine. RSM Reluctance synchronous machine. 2-D Two-dimensional.

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“…Esta tecnología es conocida como ASR (en inglés Anti-Slip Regulation) o TCS (en inglés Traction Control System). La aplicación de estas técnicas en los automóviles eléctricos resulta más eficiente debido a la facilidad de controlar rápidamente el torque de los motores eléctricos (Ivanov et al, 2015;Serrano-Iribarnegaray and Martinez-Roman, 2007).…”

Section: Introductionunclassified

Control de Tracción para un Vehículo Eléctrico basado en Observadores no Lineales

Aligia

Magallán

Angelo

2017

Rev. iberoam. autom. inform. ind.

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ResumenEn este trabajo se propone una estrategia de control de tracción para un vehículo eléctrico de cuatro ruedas, basada en observadores no lineales que permiten estimar la fuerza máxima que se puede transferir al suelo. El conocimiento de la fuerza máxima permite realizar un control del deslizamiento de los neumáticos de tracción, evitando que las ruedas patinen aún en superficies de baja adherencia. La estrategia propuesta permite además evitar que se produzca un momento de guiño no deseado en el vehículo cuando las condiciones de suelo a cada lado del mismo son diferentes. Con ello se logra mejorar la eficiencia y el control del vehículo, evitando posibles pérdidas de estabilidad que pueden resultar en riesgos para sus ocupantes. Tanto el observador como el control propuestos son diseñados en base a un modelo dinámico rotacional de la rueda y un modelo de fuerzas de brush. Se presentan resultados de simulación obtenidos empleando un modelo completo de vehículo sobre la plataforma Simulink/CarSim. Palabras Clave:Control de tracción, Condición de suelo, Coeficiente de rozamiento, Modelo de neumático brush, Linealización exacta por realimentación, Observador no lineal de Luenberger Traction control of an electric vehicle based on nonlinear observers Abstract A traction control strategy for a four-wheel electric vehicle is proposed in this paper. The strategy is based on nonlinear observers which allows estimating the maximum force that can be transmitted to the road. Knowledge of the maximum force allows controlling the slip of the driving wheels, preventing the wheel's slippage in low-grip surfaces. The proposed strategy also allows to avoid the undesired yaw moment in the vehicle which occurs when road conditions on either side of it are different. This improves the efficiency and the control of the vehicle, avoiding possible losses of stability that can result in risks for its occupants. Both the proposed observer and the control strategy are designed based on a dynamic rotational model of the wheel and a brush force model. Simulation results are obtained based on a complete vehicle model on the Simulink/CarSim platform.

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A Unified Approach to the Very Fast Torque Control Methods for DC and AC Machines

Cited by 16 publications

References 26 publications

Space phasor theory and control of multiphase machines through their decoupling into equivalent three-phase machines

Space phasor theory and control of multiphase machines through their decoupling into equivalent three-phase machines

Optimal Torque Control of Synchronous Machines Based on Finite-Element Analysis

Control de Tracción para un Vehículo Eléctrico basado en Observadores no Lineales

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