Abstract: To provide a vehicle drive device capable of efficiently driving a vehicle by using in-wheel motors without falling into the vicious cycle between enhancement of driving via the motors and an increase in vehicle weight. The present invention is a vehicle drive device that uses in-wheel motors to drive a vehicle and includes in-wheel motors (20) that are provided in wheels (2b) of a vehicle (1) and drive wheels, in which the in-wheel motors generate the maximum output power in a high revolutions range equal to or more than a predetermined number of revolutions that is more than zero.

Abstract: To provide a vehicle drive device capable of efficiently driving a vehicle by using in-wheel motors without falling into the vicious cycle between enhancement of driving via the motors and an increase in vehicle weight. The present invention is a vehicle drive device that uses in-wheel motors to drive a vehicle and includes a vehicle speed sensor that detects the travel speed of a vehicle, in-wheel motors that are provided in wheels of the vehicle and drive the wheels, and a controller that controls the in-wheel motors, in which the controller controls the in-wheel motors so as to generate driving forces when the travel speed of the vehicle detected by the vehicle speed sensor is equal to or more than a predetermined first vehicle speed that is more than zero.

Abstract: To provide a vehicle drive device capable of effectively driving a vehicle by using in-wheel motors without falling into the vicious cycle between enhancement of driving via the motors and an increase in vehicle weight. The present invention is a vehicle drive device that uses in-wheel motors to drive a vehicle and includes in-wheel motors (20) that are provided in wheels (2b) of a vehicle (1) and drive the wheels, a body side motor (16) that is provided in a body of the vehicle and drives the wheels of the vehicle, and a battery (18) and a capacitor (22) that supply electric power for driving the in-wheel motors and/or the body side motor, in which a voltage of the battery is applied to the body side motor and a voltage of the battery and the capacitor connected in series is applied to the in-wheel motors.

Abstract: A hybrid driving apparatus is provided which enables a driver to sufficiently enjoy a driving feeling of a vehicle driven by an internal combustion engine. A hybrid driving apparatus includes an internal combustion engine that drive main driving wheels, a motive power transmission mechanism transmitting a driving force to the main driving wheels, a main driving electric motor driving the main driving wheels, an accumulator, sub-driving electric motors transmitting motive power to sub-driving wheels of the vehicle, and a control apparatus executing an electric motor traveling mode and an internal combustion engine traveling mode. The control apparatus causes the internal combustion engine to generate the driving force, the internal combustion engine is a flywheel-less engine, and the control apparatus causes the main driving electric motor to generate a torque for maintaining idling of the internal combustion engine in the internal combustion engine traveling mode.

Abstract: A vehicle drive device uses in-wheel motors to drive a vehicle and includes in-wheel motors that are provided in wheels of a vehicle and drive the wheels, a body side motor that is provided in a body of the vehicle and drives the wheels, and a controller that controls the in-wheel motors and the body side motor based on requested output power of a driver, in which the controller causes the body side motor to generate a driving force and the in-wheel motors not to generate driving forces when the requested output power of the driver is less than predetermined output power and the controller causes the body side motor and the in-wheel motors to generate driving forces when the requested output power of the driver is equal to or more than the predetermined output power.

Abstract: A hybrid driving apparatus includes an internal combustion engine, a motive power transmission mechanism transmitting a driving force to main driving wheels, a main driving electric motor generating a driving force of the main driving wheels, an accumulator, subdriving electric motors generating driving forces of sub-driving wheels, and a control apparatus executing an electric motor traveling mode and an internal combustion engine traveling mode. The sub-driving electric motor is provided to each of the sub-driving wheels, the control apparatus causes only the main driving electric motor to generate the driving force in the electric motor traveling mode and causes the main driving electric motor and the sub-driving electric motors to generate the driving forces in acceleration of the vehicle at a predetermined vehicle speed or higher, and although the engine generates the driving force, it does not cause the motors to generate driving forces in the traveling mode.

Abstract: A vehicle drive system includes: a power supply in which a battery and a capacitor are connected in series; a primary drive motor to which a voltage of the battery is provided; secondary drive motors to each of which a total voltage (Vin) of the battery and the power supply capacitor is provided; a charging circuit; and a control circuit that controls charging/discharging of the power supply. The control circuit operates switches SW1, SW2 of the charging circuit so as to control charging/discharging of the battery and the capacitor.

Abstract: A vehicle drive system includes: a primary drive motor and a secondary drive motor; a battery; a capacitor that is connected in-series with the battery; a first power line that supplies a total aggregate voltage of the battery and the capacitor; a second power line that supplies a battery voltage; and a third power line that supplies a cell voltage. The first power line, the second power line, and the third power line are configured such that the battery voltage is higher than the cell voltage and that the total voltage is higher than the battery voltage.

Abstract: A vehicle power supply system configured to be installed in a vehicle. The vehicle power supply system includes a battery having a rated voltage lower than a first voltage; a capacitor having a rated voltage higher than the first voltage; circuitry configured to discharge electric charge stored in the capacitor; and a controller configured to control the circuitry to charge the battery by discharging the electric charge stored in the capacitor in response to detection of a collision of the vehicle or detection of a process to replace the capacitor.

Abstract: A vehicle power supply system configured to be charged by an electric vehicle (EV) charging station that performs charging with a voltage equal to or more than a predetermined lower limit voltage. The vehicle power supply system includes a battery having a rated voltage lower than the lower limit voltage; a capacitor electrically connected in series to the battery, wherein a sum of the rated voltage of the battery and a rated voltage of the capacitor is greater than the first voltage; and an interface configured to receive electric power from the EV charging station. The vehicle power supply system also includes circuitry configured to receive electric power from the EV charging station, and charge the battery and the capacitor using the received electric power.

Abstract: A vehicle system comprises a brake system comprising a brake pedal and a braking mechanism configured to apply a braking force to a vehicle, and a vehicle control unit operable to automatically stop an engine when the vehicle is decelerated to a given vehicle speed or less during traveling. When it is detected that the brake pedal is manipulated and the vehicle is stopped after automatically stopping the engine, the vehicle control unit is operable to control the braking mechanism to increase the braking force from a current value according to a manipulation amount of the brake pedal up to a given value.

Abstract: The vehicle system comprises: a brake system comprising a brake pedal, and a braking mechanism 13 configured to apply a braking force to a vehicle 3; and a vehicle control unit 15 operable to automatically stop an engine 5 when the vehicle is decelerated to a given vehicle speed or less during traveling, wherein when it is detected that the brake pedal 17 is manipulated and the vehicle 3 is stopped after automatically stopping the engine 5, the vehicle control unit 15 is operable to control the braking mechanism 13 to increase the braking force from a current value according to a manipulation amount of the brake pedal 17 up to a given value.

Abstract: One example method for an engine having an automatic stopping function in which the engine is automatically stopped when a predetermined engine stopping condition is satisfied, and then the engine is automatically restarted when a predetermined engine restarting condition is satisfied, includes the following: a first step for driving a motor so as to increase an engine rotating speed of the engine up to a predetermined rotating speed and maintain the engine rotating speed, in a case in which a predetermined first condition is satisfied when the engine rotating speed is below the predetermined rotating speed during automatic engine stopping; and a second step for restarting a fuel supply into the engine in a case in which a predetermined second condition is satisfied after the first step is executed.

Abstract: One example method for an engine having an automatic stopping function in which the engine is automatically stopped when a predetermined engine stopping condition is satisfied, and then the engine is automatically restarted when a predetermined engine restarting condition is satisfied, includes the following: a first step for driving a motor so as to increase an engine rotating speed of the engine up to a predetermined rotating speed and maintain the engine rotating speed, in a case in which a predetermined first condition is satisfied when the engine rotating speed is below the predetermined rotating speed during automatic engine stopping; and a second step for restarting a fuel supply into the engine in a case in which a predetermined second condition is satisfied after the first step is executed.

Abstract: The relationships between part nodes, including all sensor nodes in an apparatus system are expressed by connecting relations and weighing factors indicating the correlation. Output signals of all the sensor nodes in the system are converted to a state quantity by a membership function using fuzzy reasoning. With a sensor as a starting point, the nodes which are sequentially connected are traced and state quantities of each node are determined. The state quantities of each node are unified in a subsystem comprising this apparatus system and the subsystem in which the value of the state quantity is large is inferred to be faulty.

Abstract: A multiplex transmission system for vehicles having a plurality of multiplex nodes connected to a transmission path in order to communicate information therebetween for controlling a vehicle. Each of the multiplex nodes a priority code which indicates a priority of the signals to be transmitted with the data when a plurality of multiplex nodes concurrently transmit data and accordingly the signals therefrom collide with each other. The priority data includes a first priority which attaches importance to high responsiveness for the engine and a second priority which attaches importance to safety. A detector is provided for detecting the traffic condition in the multiplex transmission path. A priority changer is provided for changing the priority respectively in accordance with the traffic condition, so that proper control of both response and safety can be reconciled.