Abstract: A hybrid vehicle includes: an engine configured to output power for traveling; a motor configured to output power for traveling; a switch configured to set a fuel economy priority mode, in which priority is given to fuel economy, and to cancel the fuel economy priority mode; and a controller configured (a) to operate the engine and the motor based on the switch setting; (b) to determine the presence/absence of degradation of fuel supplied to the engine; and (c) to prohibit setting of the fuel economy priority mode by the switch subsequently when determination is made that the fuel has degraded when the hybrid vehicle travels using power of the motor in a state in which the drive of the engine is stopped.

Abstract: When the accelerator and the brake pedal are simultaneously depressed, braking occurs with drive force being produced. This increases the amount of heat produced by a friction braking device. Therefore, when the accelerator and the brake pedal are simultaneously depressed (S100: Yes), the range of use for a regenerative braking device is increased by expanding the regenerative braking limit (S101), thereby decreasing the range of use for the friction braking device, so that the produced heat to be suppressed. As a result, it is possible to simplify the friction braking device and eliminate the need to install a cooling mechanism equipped a high cooling performance.

Abstract: A control apparatus for a vehicle including a three-phase AC motor and a power converter, the control apparatus includes an ECU. The ECU is configured to determine whether a rotation speed of the three-phase AC motor is equal to or less than a predetermined threshold and whether a stopping operation of the vehicle is performed, to determine that the vehicle stops when the rotation speed is equal to or less than the predetermined threshold and the stopping operation is performed, to determine whether the vehicle skids, and to switch a state of the power converter to a state where all on one side of the first and second switching elements are turned off and at least one on the other side of the first and second switching elements is turned on when the ECU determines that the vehicle stops and that the vehicle does not skid.

Abstract: A hybrid vehicle includes: an engine configured to output power for traveling; a motor configured to output power for traveling; a switch configured to set a fuel economy priority mode, in which priority is given to fuel economy, and to cancel the fuel economy priority mode; and a controller configured (a) to operate the engine and the motor based on the switch setting; (b) to determine the presence/absence of degradation of fuel supplied to the engine; and (c) to prohibit setting of the fuel economy priority mode by the switch subsequently when determination is made that the fuel has degraded when the hybrid vehicle travels using power of the motor in a state in which the drive of the engine is stopped.

Abstract: When a start switch is operated, and a vehicle is running, and a system of a vehicle is in an activated state, ECU executes a program including the steps of determining whether or not a brake is in an on-state, and shifting the system of the vehicle to a stopped state when the brake is in the on-state while an operation duration is equal to or greater than a threshold value Tc (0), or when the brake is in the off-state while the operation duration Tc is equal to or greater than a threshold value Tc (1) greater than threshold value Tc (0).

Abstract: When an accelerator pedal and a brake pedal are being simultaneously operated, an electronic control unit executes a driving power limiting process, in which the driving power is set less than that when only the accelerator pedal is operated. The electronic control unit executes the driving power limiting process after a predetermined time has elapsed from when simultaneous operation of the accelerator pedal and the brake pedal is performed. If the accelerator pedal and the brake pedal are simultaneously operated, the electronic control unit sets a target deceleration of the vehicle based on the vehicle speed before the start of the driving power limiting process and the operation amount of the brake pedal and then controls the driving power during execution of the driving power limiting process such that the deceleration of the vehicle matches the target deceleration.

Abstract: A control device for a vehicle is equipped with second determination means for determining that the vehicle is stopped when first determination means determines that a rotational speed of a three-phase alternating-current electric motor is equal to or lower than a predetermined threshold and that a stop operation is performed, control means for controlling an electric power converter such that a state of the electric power converter becomes a specific state where i) all the first switching are off and at least one of the second switching elements is on or ii) all the second switching elements are off and at least one of the first elements is on, and threshold setting means for setting the predetermined threshold based on a temperature of a magnet of the three-phase alternating-current electric motor.

Abstract: A vehicle control apparatus is provided with an upper controlling device and a lower controlling device. The upper controlling device has: a first determining device configured to determine whether or not the number of revolutions of a three-phase AC motor is less than or equal to a predetermined threshold value and whether or not a stop operation which can stop the vehicle is performed; a second determining device configured to determine that the vehicle is stopped if it is determined that the number of revolutions of the three-phase AC motor is less than or equal to the predetermined threshold value and that the stop operation is performed; and a commanding device configured to output a particular control command for setting the state of a power converter to a particular state if it is determined that the vehicle is stopped. The lower controlling device controls the power converter to be in the particular state after a lapse of a predetermined period from the reception of the particular control command.

Abstract: A control apparatus for a vehicle including a three-phase AC motor and a power converter, the control apparatus includes an ECU. The ECU is configured to determine whether a rotation speed of the three-phase AC motor is equal to or less than a predetermined threshold and whether a stopping operation of the vehicle is performed, to determine that the vehicle stops when the rotation speed is equal to or less than the predetermined threshold and the stopping operation is performed, to determine whether the vehicle skids, and to switch a state of the power converter to a state where all on one side of the first and second switching elements are turned off and at least one on the other side of the first and second switching elements is turned on when the ECU determines that the vehicle stops and that the vehicle does not skid.

Abstract: A vehicle control device that controls a vehicle including a first electric motor that is driven at a rotation speed synchronized with a rotation speed of a drive shaft of the vehicle includes an electronic control unit. The electronic control unit is configured to carry out first determination that determines whether the rotation speed of the first electric motor is lower than or equal to a first threshold and whether a stop operation that stops the vehicle is being carried out, and to carry out second determination that the vehicle is stopped when the electronic control unit has determined in the first determination that the rotation speed of the first electric motor is lower than or equal to the first threshold and the stop operation is being carried out.

Abstract: A hybrid vehicle includes: an engine configured to output power for traveling; a motor configured to output power for traveling; a switch configured to set a fuel economy priority mode, in which priority is given to fuel economy, and to cancel the fuel economy priority mode; and a controller configured (a) to operate the engine and the motor based on the switch setting; (b) to determine the presence/absence of degradation of fuel supplied to the engine; and (c) to prohibit setting of the fuel economy priority mode by the switch subsequently when determination is made that the fuel has degraded when the hybrid vehicle travels using power of the motor in a state in which the drive of the engine is stopped.

Abstract: In a control apparatus for a vehicle, an ECU includes an operation reception unit that receives depression of a power switch (i.e., a vehicle system activation operation is performed) in a “ready-off state” as a non-drivable state, and a control execution unit that executes, when the vehicle system activation operation is received by the operation reception unit during running of a hybrid vehicle HV and an engine is started, a startability improvement control for improving startability of the engine as compared with the startability thereof when the vehicle system activation operation is received by the operation reception unit during stop of the hybrid vehicle HV and the engine is started.

Abstract: An ECU executes a program including the steps of: executing fuel-cut control when an IG OFF operation has been performed and a vehicle is traveling; determining torque command values of a first MG and a second MG when a charge power upper limit value Win is reduced; controlling the first MG based on the determined torque command value of the first MG; and controlling the second MG based on the determined torque command value of the second MG.

Abstract: When an accelerator pedal and a brake pedal are being simultaneously operated, an electronic control unit executes a driving power limiting process, in which the driving power is set less than that when only the accelerator pedal is operated. The electronic control unit executes the driving power limiting process after a predetermined time has elapsed from when simultaneous operation of the accelerator pedal and the brake pedal is performed. If the accelerator pedal and the brake pedal are simultaneously operated, the electronic control unit sets a target deceleration of the vehicle based on the vehicle speed before the start of the driving power limiting process and the operation amount of the brake pedal and then controls the driving power during execution of the driving power limiting process such that the deceleration of the vehicle matches the target deceleration.

Abstract: An electronic control unit executes a driving force limiting process, in which, if an accelerator pedal and a brake pedal are simultaneously operated, driving power is set to be smaller than that when only the accelerator pedal is operated. The electronic control unit executes a varying process, in which the lower the vehicle speed is at the time of simultaneous operation of the accelerator pedal and the brake pedal, the shorter the period from simultaneous operation of the accelerator pedal and the brake pedal to the start of the driving power limiting process is set to be.

Abstract: A control device for a vehicle including: a motor; a transmission provided in a path that transmits drive power between the motor and a driving wheel; an inverter configured to drive the motor; a controller configured to control the inverter by using a plurality of control modes including a sinusoidal wave mode to thereby drive the motor, the controller configured to select the control mode in accordance with a gear position of the transmission, the controller configured to select the gear position by which the sinusoidal wave mode is selected when the motor controlled by the controller suppresses a vibration of the vehicle.

Abstract: An ECU is mounted on a vehicle including an engine and a motor that can generate cranking torque applied to a rotation shaft of the engine. Where a request for starting the engine is not issued, the ECU determines whether the engine is during coasting or not. The ECU changes cranking target torque in accordance with engine rotation speed. In this way, engine rotation speed during cranking can be reduced to and remain in the optimum region where misfire and resonance can be avoided.

Abstract: If the accelerator is on upon restarting a driving force source in travel mode by the time when the vehicle comes to a standstill after the driving force source is manually operated to stop while the vehicle is traveling, a control device for the vehicle implements first control in which the driving force output to the drive wheels is gradually increased. If the accelerator is on upon switching to the travel mode following restarting of the driving force source in the neutral mode and by the time the vehicle comes to a standstill after the driving force source is manually operated to stop while the vehicle is traveling, the control device implements second control in which the driving force output to the drive wheels is increased. The first control increases the driving force not as much as the second control increases the driving force.

Abstract: An ECU executes a program including the steps of: executing fuel-cut control when an IG OFF operation has been performed and when a vehicle is traveling; executing deceleration control when vehicle speed is equal to or higher than a threshold value; ending the deceleration control and permitting restart of an engine when the vehicle speed has become lower than the threshold value; and controlling a first MG and the engine when an IG ON operation has been performed.

Abstract: A vehicle is provided with a differential gear including a sun gear, a carrier, and a ring gear, motor generators coupled to the sun gear, an engine coupled to the carrier, and a wheel coupled to the ring gear. The vehicle includes an ECU that stops the engine upon operation of a start switch by a driver, and a brake that brakes the sun gear upon operation of the start switch while the vehicle is traveling.