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U.S. Department of Energy
Office of Scientific and Technical Information

Trouble shooting system for an electric vehicle

Patent ·
OSTI ID:6023296
This patent describes a trouble shooting system for an electric vehicle. The electric vehicle contains a driving mechanism, a driving operation part and a control device. The driving mechanism includes a power source, an electric motor and a modality for controlling output level from the power supply to the electric motor in response to the driving operation part. The control device includes a microprocessor which receives commands from the driving operation part and supplies a control signal to the driving mechanism in response to a stored drive control program. The trouble shooting system consists of control device storage mechanisms for storing trouble shooting programs for various parts of the vehicle which are executed by the microprocessor. This system also includes a command generating modality responsive to manual operation for supplying a command to the microprocessor to initiate the execution and read out of a selected trouble shooting program and a method by which the microprocessor may display the program being processed.
Assignee:
Hitachi, Ltd., Tokyo
Patent Number(s):
US 4564942
OSTI ID:
6023296
Country of Publication:
United States
Language:
English