Control system
AssigneesAutonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
InventorKen Furuto
Life of this patent
Estimating the term…
Abstract
Provided is a control system that can appropriately determine whether or not supply of power to a load is abnormal, and can specify a detailed reason of the abnormality. A control circuit supplies power to a load and shuts off the supply of power in accordance with a power supply/shutoff instruction to supply or shut off power from a battery to the load. The power supply/shutoff instruction is output from a microcomputer to the control circuit. A control unit determines whether or not the supply of power from the battery to the load is abnormal, based on (i) whether the power supply/shutoff instruction output from the output unit is to supply power or shut off the supply of power, (ii) the value of a current flowing from the battery to the load, and (iii) the value of a voltage applied to the load, and specifies a reason of the abnormality.
Claims6
A control system comprising:
- a power supply controller configured to supply and shut off power from a battery to a load in accordance with a power supply/shutoff instruction;
- and
- an instruction output device configured to output the power supply/shutoff instruction to the power supply controller,
- wherein the power supply controller comprises:
- a current detector configured to detect a current flowing from the battery to the load, and
- the instruction output device comprises:
- a voltage detector configured to detect a voltage applied to the load;
- a determination controller configured to determine whether or not the supply of power is abnormal, based on (i) whether the power supply/shutoff instruction that is output to the power supply controller is to supply power or to shut off the supply of power, (ii) a value of the current detected by the current detector, and (iii) a value of the voltage detected by the voltage detector;
- and
- a specification controller configured to specify a reason of the abnormality, if it is determined by the determination controller that the supply of power is abnormal, based on (i) whether the power supply/shutoff instruction output to the power supply controller is to supply power or to shut off the supply of power, (ii) the value of the current detected by the current detector, and (iii) the value of the voltage detected by the voltage detector.
Dependencies are inferred from the claim text.