Work

Anisotropy-based self-sensing design and control of induction machines

Year: 2025

Type: article

Abstract: The operation of an induction machine (IM) without a mechanical position sensor saves cost and reduces its volume. At zero and low speeds, anisotropy-based self-sensing control (SSC) methods can be used, but IMs do not inherently exhibit the necessary rotor-fixed anisotropy for these methods. By means of modified rotor designs with an additional asymmetrical winding or modulated slot openings, a rotor-fixed anisotropy can be introduced. Nevertheless, an operation with SSC at low speed has still only been demonstrated with reduced flux or torque. Now, with a modified rotor and a novel compensation for the saturation-dependent anisotropy, a successful operation with SSC at rated torque and zero to low speed is presented.

Source: e+i Elektrotechnik und Informationstechnik

DOI: 10.1007/s00502-025-01314-4

Authors: Constantin Schepe, Niklas Himker, Axel Mertens, Bernd Ponick

Institutions: Leibniz University Hannover, Ingenieurgesellschaft Auto und Verkehr (Germany)

Language: English

Topic: Sensorless Control of Electric Motors

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Industry, innovation and infrastructure

Open Access status: hybrid

Estimated APC paid: $3,490