VEHICLE ELECTRICAL SYSTEM STATE CONTROLLER
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United States of America Patent
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Issued Date -
Jan 15, 2015
app pub date -
Mar 7, 2012
filing date -
Mar 7, 2012
priority date (Note) -
Abandoned
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Abstract
A motor vehicle electrical power distribution system includes a plurality of distribution sub-systems, an electrical power storage sub-system and a plurality of switching devices for selective connection of elements of the power distribution system to the electrical power storage sub-system. A state transition initiator directs control system operation of switching devices to change the states of the power distribution system. The state transition initiator has a plurality of positions selection of which initiates a state transition. The number of states of the power distribution system exceeds in number the number of positions of the state transition initiator. The control system enables the state transition initiator to emulate a four position rotary ignition switch, provides for interaction with fail safe power cutoff switches and provides high voltage switching device protection during instances of control system low voltage conditions.
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