Abstract: A control apparatus for a hybrid electric vehicle, includes: a temperature detector configured to detect a motor temperature of the electric motor; a pressing speed detector configured to detect a pressing speed of an accelerator pedal; an electric current detector configured to detect a value of the electric current supplied to the electric motor from the battery; and an engine controller configured to allow, when the motor temperature detected by the temperature detector is equal to or lower than a threshold temperature, the engine to be started based on the pressing speed detected by the pressing speed detector, so that the generator generates the electric power, and configured to allow, when the motor temperature is higher than the threshold temperature, the engine to be started based on the value of the electric current detected by the electric current detector, so that the generator generates the electric power.

Abstract: A control apparatus for a hybrid electric vehicle, includes: a temperature detector configured to detect a temperature of the battery; a temperature increase rate calculator configured to calculate, based on the detected temperature of the battery, a temperature increase rate that is an amount of increase in the temperature per unit time; and an engine controller configured to allow, when the temperature increase rate is equal to or higher than a threshold value, the engine to be started, so that the generator generates the electric power. The threshold value is set so that the higher the detected battery temperature, the lower the threshold value.

Abstract: A control apparatus for a hybrid vehicle includes an engine, a clutch, an electric motor, an arithmetic unit, and an engine controlling unit. The motor transmits motive power on a driving wheel side of the clutch. A first traveling mode wherein the vehicle is driven by the motor and a second traveling mode wherein the vehicle is driven by the engine are provided. The arithmetic unit calculates a first target power before the clutch engages upon changeover from the first traveling mode to the second traveling mode, the first target power being for driving by the engine after the clutch engaged. The engine controlling unit controls, before the engagement of the clutch, output motive power of the engine to a second target power that is set equal to or higher than the first target power. By the configuration, the traveling performance upon changeover of the clutch is improved.

Abstract: A hybrid vehicle is provided in which after a determination is made as to whether the remaining capacity is higher than a first threshold value, any one of a first running mode, a second running mode, and a third running mode is selected depending on first speed, second speed, or third speed so that the vehicle runs in the mode, whereby the vehicle can run by easily selecting an appropriate series hybrid mode or an appropriate parallel hybrid mode in each range depending on whether the remaining capacity is higher than the first threshold value, and running control can be made stable and easy.

Abstract: A clutch control device of a hybrid vehicle includes a battery, a generator, a motor, a motor shaft connected with a driving shaft of the vehicle by using electricity from the generator or the battery, an engine which drives the generator and the vehicle, a clutch, and a control unit. The control unit changes an engaged state of the clutch between the motor shaft and an engine shaft of the engine to a released state and changes an engine driving state of the hybrid vehicle, in which the hybrid vehicle is driven by the engine, to a motor driving state of the hybrid vehicle in which the hybrid vehicle is driven by the motor, when a vehicle velocity of the hybrid vehicle is the change vehicle velocity.

Abstract: A clutch control of a hybrid vehicle can engage a clutch which not otherwise possible due to temporary factors, and can determine whether engaging members of the clutch have been successfully engaged. The clutch control controls the clutch having a pair of the engaging members which are provided in a power transmission path of the vehicle, and which are moved in the axial direction and engaged or released when switching is performed between power from a motor and power from an engine. The clutch control device has a rotation control unit for synchronizing the rotations of the engaging members when the clutch is shifted from a disengaged an engaged state, and a clutch engagement control unit for determining whether the engaging members have been engaged, based on rotational speed of the engaging members a predetermined time after axial movement of the engaging members.

Abstract: A clutch control device of a hybrid vehicle includes a clutch driven by a motor and connected with a drive shaft. A hydraulic unit controls the clutch by oil pressure. An oil temperature detecting unit detects temperature of the oil and a unit which detects vehicle velocity. A control unit which operates through the hydraulic unit switches between an engine driving mode in which the motor shaft and the engine shaft are engaged with each other and a motor driving mode in which the motor shaft and the engine shaft are released and the hybrid vehicle is driven by the motor.

Abstract: A control apparatus for a hybrid electric vehicle, includes: a temperature detector configured to detect a motor temperature of the electric motor; a pressing speed detector configured to detect a pressing speed of an accelerator pedal; an electric current detector configured to detect a value of the electric current supplied to the electric motor from the battery; and an engine controller configured to allow, when the motor temperature detected by the temperature detector is equal to or lower than a threshold temperature, the engine to be started based on the pressing speed detected by the pressing speed detector, so that the generator generates the electric power, and configured to allow, when the motor temperature is higher than the threshold temperature, the engine to be started based on the value of the electric current detected by the electric current detector, so that the generator generates the electric power.

Abstract: A control apparatus for a hybrid electric vehicle, includes: a temperature detector configured to detect a temperature of the battery; a temperature increase rate calculator configured to calculate, based on the detected temperature of the battery, a temperature increase rate that is an amount of increase in the temperature per unit time; and an engine controller configured to allow, when the temperature increase rate is equal to or higher than a threshold value, the engine to be started, so that the generator generates the electric power. The threshold value is set so that the higher the detected battery temperature, the lower the threshold value.

Abstract: A hybrid vehicle is provided in which after a determination is made as to whether the remaining capacity is higher than a first threshold value, any one of a first running mode, a second running mode, and a third running mode is selected depending on first speed, second speed, or third speed so that the vehicle runs in the mode, whereby the vehicle can run by easily selecting an appropriate series hybrid mode or an appropriate parallel hybrid mode in each range depending on whether the remaining capacity is higher than the first threshold value, and running control can be made stable and easy.

Abstract: A clutch control device of a hybrid vehicle includes a clutch driven by a motor and connected with a drive shaft. A hydraulic unit controls the clutch by oil pressure. An oil temperature detecting unit detects temperature of the oil and a unit which detects vehicle velocity. A control unit which operates through the hydraulic unit switches between an engine driving mode in which the motor shaft and the engine shaft are engaged with each other and a motor driving mode in which the motor shaft and the engine shaft are released and the hybrid vehicle is driven by the motor.

Abstract: A clutch control device of a hybrid vehicle includes a battery, a generator, a motor, a motor shaft connected with a driving shaft of the vehicle by using electricity from the generator or the battery, an engine which drives the generator and the vehicle, a clutch, and a control unit. The control unit changes an engaged state of the clutch between the motor shaft and an engine shaft of the engine to a released state and changes an engine driving state of the hybrid vehicle, in which the hybrid vehicle is driven by the engine, to a motor driving state of the hybrid vehicle in which the hybrid vehicle is driven by the motor, when a vehicle velocity of the hybrid vehicle is the change vehicle velocity.

Abstract: Fine spinel-type ferrimagnetic particles of the present invention have a composition represented by the formula (I): (CoO)x(NiO)y.n/2Fe2O3  (I) wherein 2.0<n=Fe/(Co+Ni)<3.0, 0.4≦x≦0.9, 0.1≦y≦0.6 and x+y=1. The fine spinel-type ferrimagnetic particles exhibit a high coercive force in spite of fine particles.

Abstract: Fine spinel-type ferrimagnetic particles of the present invention have a composition represented by the formula (I):