Electricity: electrical systems and devices – Safety and protection of systems and devices – Motor protective condition responsive circuits
Reexamination Certificate
2008-09-16
2008-09-16
Ip, Paul (Department: 2837)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Motor protective condition responsive circuits
C361S018000, C701S029000, C701S033000, C701S041000, C340S008100
Reexamination Certificate
active
11480311
ABSTRACT:
A control system, method and article allows a monitoring module to monitor operation of a main controller in an electric drive, by providing questions and evaluating the accuracy and/or timeliness of responses from the main controller. Upon detection of an excessive number of incorrect or late responses, the monitoring module can shutdown operation, and may provide an alternative communications path, thereby preventing corrupt data from reaching a vehicle network, while providing communications for diagnostic and recovery such as by provision of new software or firmware instructions. The main controller may monitor the operation of the monitoring module, taking appropriate action if a fault is detected. Disabling a supply of power to a traction motor may be based on current operating conditions, such as speed.
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Cheng Bing
Hampo Richard J.
Kowalec Steven J.
Nallapa Venkatapathi R.
Soudier Christophe
Continental Automotive Systems US Inc.
Ip Paul
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