Control of switched reluctance drives for electric vehicleapplications
Inderka, R.B.
Menne, M.
De Doncker, R.W.A.A.
Inst. for Power Electron. & Electr. Drives, Aachen Univ. of Technol.;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Feb 2002
Volume: 49,
Issue: 1
On page(s): 48-53
ISSN: 0278-0046
References Cited: 16
CODEN: ITIED6
INSPEC Accession Number: 7177961
Digital Object Identifier: 10.1109/41.982247
Current Version Published: 2002-08-07
Abstract
Dynamic controllers of switched reluctance drives adjust at least
three variables, i.e., current amplitude, turn-on, and turn-off angles.
In electric vehicle (EV) applications high efficiency of the drive over
a wide speed range, wide torque bandwidth, and low torque ripple under
varying DC-bus voltage conditions are important design goals. Hence,
controllers of switched reluctance drives for EVs usually have a complex
structure. In this paper, the demands on control accuracy of switched
reluctance machine traction drives and the traction controller sampling
frequency, which are necessary to take advantage of the switched
reluctance machine dynamic capabilities, are discussed. To integrate the
traction drive, the control commands need to be actualized with a
sampling frequency of at least 100 Hz to meet the high-dynamic
requirements of modern vehicle control systems, e.g., active cruise
control, antislip control, and active damping of mechanical drivetrain
oscillations. It is found that the switching angles have to be adjusted
within one-tenth of a mechanical degree. This study shows that switched
reluctance drives can fulfill all requirements needed for electric
propulsion using standard microcontrollers or digital signal processors
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