AC drive system for electrically operated vehicle
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United States of America Patent
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-
Jul 14, 2009
Grant Date -
May 29, 2008
app pub date -
Dec 28, 2007
filing date -
Oct 28, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A drive system is provided for a utility vehicle and includes an alternating-current (AC) motor for providing a drive torque. An AC motor controller receives a battery voltage signal, throttle pedal position signal, brake pedal position signal, key switch signal, forward/neutral/reverse (FNR) signal, and run/tow signal indicative of the utility vehicle being configured to be driven and being configured to be towed. The AC motor controller generates an AC drive signal for the AC motor, wherein the AC drive signal is based on the battery voltage signal, throttle pedal position signal, brake pedal position signal, key switch signal, FNR signal, and run/tow signal.
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