A vehicle includes a motor, an inverter, an inter-line short circuit, an operation circuit, and a harness. The motor is provided in a wheel. The inverter is configured to supply electric power to the motor. The inter-line short circuit is provided in the wheel and configured to cause the motor to be short-circuited when not in operation and couple the motor and the inverter when in operation. The operation circuit is provided in a vehicle body of the vehicle and configured to operate the inter-line short circuit. The harness extends between the wheel and the vehicle body. In the harness, at least one power supply line, which is configured to supply electric power to the motor through the inverter and the inter-line short circuit, and an operation line, which is configured to couple the inter-line short circuit and the operation circuit, are bundled.

A motor control device includes a motor drive circuit including an upper arm and a lower arm, an arithmetic processor to control the motor drive circuit, an alternative circuit that can operate as a substitute to replace the arithmetic processor, and a mode switch to switch a control mode between a first control mode, in which the arithmetic processor controls the motor drive circuit, and a second control mode, in which the alternative circuit controls the motor drive circuit, based on a state of the arithmetic processor. The mode switch switches the control mode from the first control mode to the second control mode when a state of the arithmetic processor changes from a normal state to an abnormal state.

The present disclosure describes an induction charging device for a partially or fully electrically operated motor vehicle. The induction charging device includes at least one charging coil and a temperature-control assembly including a fluid pipe for a liquid fluid. The charging coil is inductively couplable to a primary coil such that a battery can be inductively charged in the motor vehicle. The charging coil is heat-transmittingly connected to the fluid pipe such that the waste heat from the charging coil can be transmitted to the fluid. The induction charging device further includes a metal shielding plate for shielding electromagnetic field emissions, and a ferrite assembly for directing an electromagnetic alternating field. The charging coil is arranged in the fluid pipe such that the fluid can flow around it on all sides. The charging coil is secured in the fluid pipe directly or via a retaining device.

Disclosed is a motor system control apparatus for vehicles including a communication unit communicatively connected to a plurality of motor systems and a controller configured to, upon recognizing that one of the motor systems is broken, control the motor system such that a battery is charged using counter-electromotive force of a motor, wherein the controller confirms whether, upon recognizing breakdown of the motor system, the broken motor system is capable of generating counter-electromotive force, decides whether to generate the counter-electromotive force based on a state of charge (SOC) and a traveling state of a vehicle upon confirming that the broken motor system is capable of generating the counter-electromotive force, controls the broken motor system such that the counter-electromotive force is generated upon deciding to generate the counter-electromotive force, and charges the battery with electrical energy generated by the counter-electromotive force.

An inverter includes a case, and the case includes an upper case and a lower case attached to a bottom surface side of the upper case. The upper case includes a flange portion constituting an attachment portion of the lower case, and a connector connecting portion to which a connector is connected. The connector connecting portion includes an outer wall portion that forms an outer wall of the connector connecting portion. At least a part of the flange portion and at least a part of the outer wall portion are disposed so as to overlap each other in a direction in which the connector connecting portion and the structure face each other.

An interlock system used in a high voltage system including a high voltage power supply in which a first voltage is a specified voltage and a plurality of high voltage system loads each connected to the high voltage power supply via a power supply line, the interlock system including: an acquisition unit that acquires information of a voltage applied to an own load from each of the high voltage system loads; and a control unit that controls a voltage of the power supply line, in which before activating the high voltage system, the control unit causes a second voltage lower than the first voltage to be output to the power supply line, and after the second voltage is output, when the acquisition unit has not acquired information that the second voltage is applied from all high voltage system loads, the control unit cancels activation of the high voltage system.

An illustrative dual power inverter module includes a DC link capacitor electrically connectable to a source of high voltage direct current (DC) electrical power. A first power inverter is electrically connectable to the DC link capacitor and configured to convert high voltage DC electrical power to three phase high voltage alternating current (AC) electrical power and is configured to supply the three phase high voltage AC electrical power to a first electric motor. A second power inverter is electrically connectable to the DC link capacitor and configured to convert high voltage DC electrical power to three phase high voltage AC electrical power and is configured to supply the three phase high voltage AC electrical power to a second electric motor. A common controller is electrically connectable to the first power inverter and the second power inverter. The common controller is configured to control the first power inverter and the second power inverter.

Various disclosed embodiments include illustrative controllers, dual power inverter modules, and electric vehicles. In an illustrative embodiment, a controller includes one or more processors associated with a first and second power inverter for the drive unit. Computer-readable media for the one or more processors are each configured to store computer-executable instructions configured to cause the one or more processors to apply a same fault action to the first power inverter and the second power inverter responsive to a fault associated with an inverter chosen from the first power inverter and the second power inverter, wherein the same fault action includes applying equalized torque to each axle operatively coupled to the drive unit.

An illustrative dual power inverter module includes a detection circuit configured to detect loss of low voltage DC electrical power supplied to a controller for a first power inverter and a second power inverter of a drive unit for an electric vehicle. A first backup power circuit is associated with the first power inverter and a second backup power circuit is associated with the second power inverter. Each backup power circuit is configured to convert high voltage DC electrical power to low voltage DC electrical power responsive to detection of loss of low voltage DC electrical power supplied to the controller. Three-phase short circuitry is configured to apply a same fault action to the first power inverter and the second power inverter responsive to detection of loss of low voltage DC electrical power supplied to the controller, wherein the same fault action includes applying equalized torque to each axle operatively coupled to the drive unit.

A vehicle control apparatus includes a first traveling motor, a second traveling motor, and a control system. The first traveling motor is coupled to a first wheel of a vehicle. The second traveling motor is coupled to a second wheel of the vehicle. The control system is configured to decrease a power running torque of the first traveling motor and increase a power running torque of the second traveling motor in a case where a first distance from the vehicle to a contact predicted spot or a contact object is less than a first threshold during traveling of the vehicle, and increase a regenerative torque of the first traveling motor and increase a regenerative torque of the second traveling motor in a case where a second distance from the vehicle to the contact object is less than a second threshold that is less than the first threshold during the traveling.