<?xml version="1.0" encoding="UTF-8"?> <article key="pdf/13981" mdate="2009-10-20 00:00:00"> <author>J. Soltani and H. Abootorabi Zarchi and Gh. R. Arab Markadeh</author> <title>StatorFluxOriented Based Encoderless Direct Torque Control for Synchronous Reluctance Machines Using Sliding Mode Approach</title> <pages>1324 - 1330</pages> <year>2009</year> <volume>3</volume> <number>10</number> <journal>International Journal of Mechanical and Mechatronics Engineering</journal> <ee>https://publications.waset.org/pdf/13981</ee> <url>https://publications.waset.org/vol/34</url> <publisher>World Academy of Science, Engineering and Technology</publisher> <abstract>In this paper a slidingmode torque and flux control is designed for encoderless synchronous reluctance motor drive. The slidingmode plus PI controllers are designed in the statorflux field oriented reference frame which is able to track the mentioned reference signals with a minimum pulsations in the state condition. In addition, with these controllers a fast dynamic response is also achieved for the drive system. The proposed control scheme is robust subject to parameters variation except to stator resistance. To solve this problem a simple estimator is used for online detecting of this parameter. Moreover, the rotor position and speed are estimated by online obtaining of the statorfluxspace vector. The effectiveness and capability of the proposed control approach is verified by both the simulation and experimental results.</abstract> <index>Open Science Index 34, 2009</index> </article>