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dc.contributor.advisorÖzdemirel, Barbarosen_US
dc.contributor.authorKara, Salih Murat-
dc.identifier.citationKara, S. M. (2017). Brushless DC motor control under varying load conditions. Unpublished master's thesis, İzmir Institute of Technology, İzmir, Turkeyen_US
dc.descriptionThesis (Master)--Izmir Institute of Technology, Electronics and Communication Engineering, Izmir, 2017en_US
dc.descriptionIncludes bibliographical references (leaves: 73-75)en_US
dc.descriptionText in English; Abstract: Turkish and Englishen_US
dc.description.abstractBrushless direct current motors (BLDCMs) are popular in various applications due to their high-power density, wide speed range and control flexibility. They work without brushes and require electronic commutation, where stator's currunt state is synchronized with rotor position. Various methods are used to determine the rotor position. Sensorless method of position detection is preferable instead of external sensors, because external sensors are not cost effective and they create wiring complexity. This thesis presents control methods and driver algorithms for BLDCM under variable load conditions from start-up to continuous run with speed regulation. The inductive sense method, which is one of the sensorless position measurement methods, is used when the motor is stationary and at low speed. The rotor position was accurately calculated by using this method based on inductance differences. Afterwards, back electromotive force (BEMF) sense method was used at high speed.The drive parameters, mainly the step time and excitation step, are adjusted according to the rotor position to drive the motor efficiently. The dynamic control of the drive parameters is done by estimating the load with the rotor position.en_US
dc.format.extentxi, 75 leavesen_US
dc.publisherIzmir Institute of Technologyen_US
dc.subjectMotor driveren_US
dc.subjectMotor controlen_US
dc.subjectMotor performanceen_US
dc.subjectBrushless direct current motorsen_US
dc.titleBrushless DC motor control under varying load conditionsen_US
dc.title.alternativeDeğişken yük koşulları altında fırçasız DC motor denetimien_US
dc.typeMaster Thesisen_US
dc.institutionauthorKara, Salih Murat-
dc.departmentThesis (Master)--İzmir Institute of Technology, Electrical and Electronics Engineeringen_US
item.fulltextWith Fulltext-
item.openairetypeMaster Thesis-
Appears in Collections:Master Degree / Yüksek Lisans Tezleri
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