NDLI: Current slope calculation in FPGA for sensorless control technique and associated slope based predictive precise current control

Content Provider	IEEE Xplore Digital Library
Author	Jinou Wang Binder, A.
Copyright Year	2013
Description	Author affiliation: Inst. of Electr. Energy Conversion, Tech. Univ. Darmstadt, Darmstadt, Germany (Jinou Wang; Binder, A.)
Abstract	This paper introduces a new approach to measure the current slope only with normal current sensors. The current slope, which is caused by voltage switching of PWM amplifiers, can be used for a sensorless control technique for magnetic bearings or electrical drives. Further, with the information of the slope, we can realize a predictive precise current control. By combining the current sensor, analogue-to-digital converter and FPGA, using the proposed multiple current sampling technique, the current slope will be calculated in hardware with the method of least squares. This sub-system acts like a virtual sensor, which delivers both current and its slope values at the given sample point.
Starting Page	1
Ending Page	8
File Size	471220
Page Count	8
File Format	PDF
e-ISBN	9781479906819
DOI	10.1109/SLED-PRECEDE.2013.6684508
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-17
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Current control Coils Current measurement Estimation technique Sensorless control Pulse width modulation Sensors Field programmable gate arrays Field Programmable Gate Arrays (FPGA) Magnetic levitation Predictive control
Content Type	Text
Resource Type	Article

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