Abstract: In a power transmission apparatus for use in an automobile, including a gear-type transmission and plural numbers of motors, the gear-type transmission 100 comprises: a first input shaft 23, onto which the motive power is transmitted from an engine 1 through a first friction clutch 25; a second input shaft 24, onto which the motive power is transmitted from an engine 1 through a second friction clutch 26; and plural numbers of gear trains between the first input shaft 23 and an output shaft 27, and between the second input shaft 24 and the output shaft 27. Onto the first input shaft 23 and the second input shaft 24 are connected a first motor 29 and a second motor 30, so that the motive power is transmitted from the above two (2) motors through the plural numbers of gear trains up to the output shaft 27. Therefore, it is possible to make the maximum torque of the motors small, which is required when changing claw clutches provided on the gear trains.

Abstract: A vehicle speed control apparatus for allowing a host vehicle trailing a preceding vehicle to accelerate and decelerate without causing discomfort to the host vehicle driver. While the host vehicle is trailing the preceding vehicle, the apparatus on board the host vehicle stores the speed of the preceding vehicle entering a curve ahead as well as a headway distance of the host vehicle to the preceding vehicle. Upon reaching the curve, the host vehicle is controlled by the apparatus to enter the curve at a speed not in excess of the stored speed of the preceding vehicle.

Abstract: An apparatus and a method of controlling a vehicle is provided for correcting a lowered value of the torque of an output shaft in the gear shifting and suppressing a revolution speed of an input shaft on the basis of the lowered torque correction. The torque of the input shaft is adjusted at the termination of the gear shifting on the basis of the lowered torque correction.

Abstract: At the time of the change-speed, by correcting the torque reducing portion of an output shaft during the change-speed, the revolution number of an input shaft is controlled on the basis of the corrected torque reduction correcting value. Also, the torque of said input shaft is adjusted at the end of the change-speed on the basis of said torque correcting value.

Abstract: The present invention provides an apparatus and a method for controlling automatic transmission of a motor vehicle having an engine and an automatic transmission including a clutch with an actuator for changing gear position comprising a detecting means for detecting a completion of the changing gear position and a signal generating means for generating a control signal to the actuator for applying continued pressure to the clutch for a predetermined time after the completion of the changing gear position.

Abstract: An apparatus and a method for controlling an automotive vehicle are disclosed, in which a control amount for securing safety of the vehicle and the control amount for achieving a state intended for by the driver of the vehicle are switched in such a manner as to reduce the shock due to the change in the torque generated from the power train, thereby accomplishing both safety and maneuverability at the same time. A first target value is set for controlling at least selected one of the driving torque, the driving force and the acceleration/deceleration rate. A second target value is calculated in accordance with the drive mode intended for by the driver or the driving environment ahead of the vehicle. In the case where a deviation exceeding a predetermined value develops between the first target value and the second target value, the fluctuations of at least one of the driving torque, the driving force and the acceleration/deceleration rate are suppressed.

Abstract: A generator use gear enable to rotate freely against an input shaft of a transmission mechanism for altering a rotation number of an engine and a clutch mechanisms in which the input shaft of the transmission mechanism and the generator use gear are rotated together with are provided between the engine and the transmission mechanism. Further, on an extension line of the input of the transmission mechanism and to a rear portion of the transmission mechanism, an electric motor is provided. Accordingly, a compact size power transmission system of an automobile can be attained.

Abstract: The deterioration of comfortableness is prevented by suppressing the shifting of a timing for releasing a claw clutch due to a change in the characteristic of a friction clutch or the like at the time of torque transmission switching from the claw clutch to the friction clutch during speed changing. A start timing for releasing the claw clutch is learned by learning control means including learning determination provided to determine a state of the released claw clutch, and learning operation means provided to learn are leasing start. Even when a characteristic change occurs because of a change with time, such as the response delay of an assist clutch or the like, each optimal releasing control timing is learned by the claw clutch learning control means.

Abstract: At the time of the change-speed, by correcting the torque reducing portion of an output shaft during the change-speed, the revolution number of an input shaft is controlled on the basis of the corrected torque reduction correcting value. Also, the torque of said input shaft is adjusted at the end of the change-speed on the basis of said torque correcting value.

Abstract: The power transmission of the car comprises an engine, a gearbox, a rotary electric unit which transmits power through the gearbox, and a clutch which is provided between the input shaft and the output shaft of said gearbox to control the torque between the input shaft and the output shaft.

Abstract: In a control device for an automatic transmission which comprises a torque transmission means provided between an input shaft 5 and an output shaft 6 of a gear type transmission, wherein the torque transmission means in at least one change gear stage is constituted by a friction clutch 19, the torque transmission means in the other change gear stages are constituted by claw type clutches 25, 26 and when performing a change gear from one change gear stage to another change gear stage, the friction clutch 19 is controlled, a torque capacity detecting means 38 which detects or computes, torque capacity of the friction clutch 19 when performing a change gear to a predetermined change gear stage and a clutch release timing determining means 39 which determines a timing when releasing the claw type clutch into a neutral state based on the value detected or computed by the torque capacity detecting means 38, are further provided.

Abstract: An automatic transmission has a first axis (input axis) 102 for inputting the power, a second axis (output axis or couner axis) 103 for outputting the driving force source, at least one or more first gear group which consists of drive gears 111, 112 fixed on the first axis, and a driven gear 122 provided so as to engage or run idle with respect to the second axis with being engaged with the drive gear, and at least one or more second gear group which consists of driven gears 123, 124, 125 fixed on the second axis, and a drive gear 114, 115 provided so as to engage or run idle with respect to the first axis with being engaged with the driven gear. The automatic transmission further comprises a torque transferring mechanism 140 for transfering the torque between said driven gear which can run idle with respect to the second axis and the driven gear fixed to the second axis.

Abstract: A vehicle speed control apparatus for allowing a host vehicle trailing a preceding vehicle to accelerate and decelerate without causing discomfort to the host vehicle driver. While the host vehicle is trailing the preceding vehicle, the apparatus on board the host vehicle stores the speed of the preceding vehicle entering a curve ahead as well as a headway distance of the host vehicle to the preceding vehicle. Upon reaching the curve, the host vehicle is controlled by the apparatus to enter the curve at a speed not in excess of the stored speed of the preceding vehicle.

Abstract: A vehicle speed control apparatus for allowing a host vehicle trailing a preceding vehicle to accelerate and decelerate without causing discomfort to the host vehicle driver. While the host vehicle is trailing the preceding vehicle, the apparatus on board the host vehicle stores the speed of the preceding vehicle entering a curve ahead as well as a headway distance of the host vehicle to the preceding vehicle. Upon reaching the curve, the host vehicle is controlled by the apparatus to enter the curve at a speed not in excess of the stored speed of the preceding vehicle.

Abstract: The power transmission of the car comprises an engine, a gearbox, a rotary electric unit which transmits power through the gearbox, and a clutch which is provided between the input shaft and the output shaft of said gearbox to control the torque between the input shaft and the output shaft.

Abstract: A method for controlling a vehicle having a first clutch mounted between an engine and a gear drive transmission, and dog clutch type torque transmission means disposed between an input shaft and an output shaft of the gear drive transmission, and wherein the first clutch is controlled at starting the vehicle or at gear shifting, comprising the steps of controlling a transmission torque of the first clutch based on a difference between the engine speed/revolution speed of the input shaft at starting the vehicle so as to control a quantity of increase in a transmission torque of the first clutch in accordance with the value of the difference; and controlling the engine torque based on the transmission torque of the first clutch so as to increase the engine torque according to an increase in the transmission torque of the first clutch.

Abstract: A control apparatus and method of a vehicle is provided for correcting a lowered value of the output shaft torque in the gear shifting and suppressing a input shaft speed on the basis of the lowered torque correction. The input shaft torque is adjusted at the termination of the gear shifting on the basis of the lowered torque correction.

Abstract: Disclosed is a power transmission apparatus of motor vehicles which has an engine and an electric rotary machine. The power transmission apparatus has an engine, a gear change apparatus, an electric rotary machine to which a power is transmitted via the gear change apparatus, and a clutch provided between an input shaft and an output shaft of the gear change apparatus and adjusting a transmission torque between the input shaft and the output shaft, whereby a speed change shock can be mechanically reduced.

Abstract: In a vehicle running control apparatus and method, the change of a difference in frequency between an electromagnetic wave signal transmitted from a vehicle and an electromagnetic wave signal reflected from an object is detected. Information inclusive of a distance between the object and the vehicle and a relative speed of one of the object and the vehicle to the other is generated on the basis of the change in frequency difference. A desired speed is generated on the basis of the generated information and information of the running of the vehicle so that the change in frequency difference is generated. A signal for control of the speed of the vehicle is generated on the basis of the desired speed.

Abstract: The object of the present invention is to modify the shock originated from engaging and disengaging of a clutch during acceleration, when using a mesh type transmission provided with a clutch for engaging and disengaging the shift gear and the output shaft.