Adaptive speed identification for vector control of induction motors without rotational transducers

Schauder, C.

doi:10.1109/28.158829

Cited by 926 publications

(214 citation statements)

References 2 publications

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“…An estimation method which takes measured terminal voltages and currents as input is proposed. This method is based on the model reference adaptive identification to achieve moderate bandwidth speed estimation, but it has also shown some limitations in accuracy at a low speed range [10]. The soft sensors based on various observers, such as an adaptive sliding mode observer [11], an adaptive nonlinear state observer [12], an extended Kalman estimator [13], and a nonlinear observer [14], can be particularly useful for solving rotational speed measurement problems.…”

Section: Introductionmentioning

confidence: 99%

A Soft Sensor Development for the Rotational Speed Measurement of an Electric Propeller

Sheng

2016

Electronics

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Abstract:In recent decades, micro air vehicles driven by electric propellers have become a hot topic, and developed quickly. The performance of the vehicles depends on the rotational speed of propellers, thus, improving the accuracy of rotational speed measurement is beneficial to the vehicle's performance. This paper presents the development of a soft sensor for the rotational speed measurement of an electric propeller. An adaptive learning algorithm is derived for the soft sensor by using Popov hyperstability theory, based on which a one-step-delay adaptive learning algorithm is further proposed to solve the implementation problem of the soft sensor. It is important to note that only the input signal and the commutation instant of the motor are employed as inputs in the algorithm, which makes it possible to be easily implemented in real-time. The experimental test results have demonstrated the learning performance and the accuracy of the soft sensor.

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Section: Introductionmentioning

confidence: 99%

A Soft Sensor Development for the Rotational Speed Measurement of an Electric Propeller

Sheng

2016

Electronics

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“…The method based on the MRAS has been verified to be very effective, which was first proposed in [2] followed by [3], which consists of a reference model, and an adjustable model and an adaptation mechanism. Various structures of MRAS can be realized, depending on the quantities that form the error vector.…”

Section: Introductionmentioning

confidence: 99%

An MRAS method for sensorless control of induction motor over a wide speed range

Shao

Ding

2011

J. Control Theory Appl.

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This paper addresses the problem of wide speed range sensorless control of induction motor. The proposed method is based on model reference adaptive system (MRAS), in which the current model serves as the adjustable model, and a novel hybrid model integrating the modified voltage model (MVM) and high-frequency signal injection method (HF-SIM) are established to serve as the reference model. The HFSIM works together with MVM to improve the performance of the rotor speed and rotor flux position estimation at low speed, whereas at high speed, the MVM acts alone. In addition, a rotor resistance online estimation scheme is proposed to update the rotor resistance contained in the adjustable model and to ensure the estimation accuracy further. Experimental results show that the proposed MRAS method is very effective from low to high speed range, including zero speed.

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“…Das Grundkonzept dieser Methode wird im folgenden Abschnitt kurz erlä utert.2.1 Model Reference Adaptive SystemBei einem Model Reference Adaptive System (MRAS) wird eine Referenzgrö ße mit einer adjustierbaren Grö ße verglichen und durch deren Differenz die Drehzahl adaptiv ermittelt. Im Zusammenhang mit der Drehzahlschä tzung von Asynchronmaschinen wird diese Methode in(Schauder, 1989) vorgestellt. In der zitierten Arbeit werden durch Integration der Statorspannungsgleichungen die geschä tzten Statorflusskomponenten fü r ein Referenzmodell berechnet.…”

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Drehgeberloser Betrieb eines ASM-Antriebes auf Basis eines adaptiven Beobachtermodells

Lindinger

Eder²

2009

Elektrotech. Inftech.

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Die Anwendung eines Drehzahlbeobachters erhö ht die Zuverlä ssigkeit eines Antriebssystems und verhindert Kosten, die durch den Einsatz eines Drehzahlsensors entstehen. In dieser Arbeit wird ein Beobachteransatz fü r einen industriell eingesetzten Traktionsantrieb entworfen. Aufgrund der gestellten Anforderungen wird eine beobachterbasierte adaptive Methode gewä hlt. Die dafü r normalerweise notwendige Rotorflussschä tzung verursacht bei vielen Modellen Probleme, da sie meist auf der Integration der Statorspannungsgleichung beruht. In diesem Artikel wird ein neues Konzept vorgestellt, das diese Probleme umgeht. Es wird eine Stabilitä tsuntersuchung des Gesamtsystems mit dem entwickelten Beobachtermodell durchgefü hrt. Die experimentelle Ü berprü fung erfolgt durch Messungen an einem Laboraufbau.Schlü sselwö rter: adaptiver Drehzahlbeobachter; sensorloser Betrieb von Asynchronmaschinen; Regelung von Traktionsantrieben Speed sensorless operation of an induction machine drive based on an adaptive observer model.The application of a speed observer increases the reliability of a drive system and prevents costs caused by the implementation of a speed sensor. In this work, an observer for an industrially applied traction drive is developed. Due to given requirements an observerbased adaptive method is selected. Usually the estimation of the rotor flux causes problems since it relies on the time integration of the stator voltage equation. In this article, a new concept is introduced which circumvents these problems. A stability analysis of the overall system including the developed observer model is carried out. The control concept is validated by means of measurement results on a laboratory test-stand.

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Adaptive speed identification for vector control of induction motors without rotational transducers

Cited by 926 publications

References 2 publications

A Soft Sensor Development for the Rotational Speed Measurement of an Electric Propeller

A Soft Sensor Development for the Rotational Speed Measurement of an Electric Propeller

An MRAS method for sensorless control of induction motor over a wide speed range

Drehgeberloser Betrieb eines ASM-Antriebes auf Basis eines adaptiven Beobachtermodells

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