Self-Sensing via Flux Injection with Servo Dynamics including a Smooth Transition to Back-EMF Tracking
| Autor: | Huthaifa Flieh, Timothy Slininger, Robert D. Lorenz, Eigo Totoki |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Physics
020208 electrical & electronic engineering 05 social sciences 02 engineering and technology Servomotor Signal Control theory Magnet 0202 electrical engineering electronic engineering information engineering Torque 0501 psychology and cognitive sciences Torque ripple 050107 human factors Servo Voltage |
| Zdroj: | 2018 IEEE Energy Conversion Congress and Exposition (ECCE). |
| DOI: | 10.1109/ecce.2018.8557943 |
| Popis: | High-frequency voltage or current injection based self-sensing has been used to control motors at zero and low-speed operations. Tracking the motor back EMF or flux signal has been used to control motors during medium and high-speed operations. This paper proposes a high-frequency flux injection (HFFI) based self-sensing using deadbeat-direct torque and flux control (DB-DTFC) to control permanent magnet servo motor at zero and low speed with ideally zero torque ripple, not like the current/voltage injection technique. The HFFI is combined with a back EMF self-sensing technique to control the motor during medium and high-speed operations. This paper also proposes a method for a smooth transition between these two methods. The proposed controller is used to control a servo motor during dynamic servo operations. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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