In a vehicle (1) equipped with a speed change control device (50) of a dog clutch-type automatic transmission including a clutch actuator (60) that controls a clutch (44), a transmission (48) that performs a speed change by gears, a motive power source-torque adjustment device (80) that adjusts a…
A method for determining a torque acting at a position of a drive train of an agricultural towing vehicle, includes controlling a clutch of the drive train between a closed state and an open state, capturing a drive-side rotational speed at the clutch via a first rotational speed sensor, capturing…
This clutch control device includes a clutch device configured to connect or disconnect power transmission between a prime mover and an output target, a clutch actuator configured to output a drive force for actuating the clutch device, and a control unit configured to control driving of the clutch…
A method is disclosed for changing an activation state of a power take-off (PTO) in a vehicle, where the activation state corresponds to either an activated state, where the PTO transfers a torque between the vehicle's power source for propelling the vehicle and an auxiliary load, or a deactivated…
A vehicle driving apparatus includes a friction clutch, a lubricating system, and a control system. The friction clutch is disposed in a power transfer path coupling a power source of a vehicle to drive wheels of the vehicle, and controls a torque distribution ratio between the drive wheels. The…
An active torque management clutch system that includes an ATM clutch, a clutch actuator, and a controller is provided. The ATM clutch is positioned between a driven sheave of a CVT and an axle. The clutch actuator is used to control the ATM clutch. The controller is in communication with at least…
In a coasting control process according to an embodiment of the present invention, a controller (83) increases line pressure PL of a hydraulic path (72) to predetermined pressure P1 such that discharge pressure of an MOP (41) becomes higher than that before a C1 clutch (4) is disengaged at timing…
A management and control method of the gear change phases of a vehicle fitted with a manual or automated manual transmission (16), comprising the steps of: - providing a vehicle having an endothermic engine (8) with relative crankshaft (26), and a manual or automated manual transmission (16) having…
A clutch control system for vehicle is applied to a vehicle (1) having a clutch (3) and a transmission (4) disposed in a power transmission path (6) from an engine (2) to a vehicle wheel (5). The system includes a first rotational speed detecting unit (28) to detect a driving side rotational speed…
A clutch control system includes a hunting determining unit (10, S3, S40) that determines whether or not a hunting condition, under which hunting occurs in an engine rotational speed of an engine (2), is met, and a clutch position control unit (10, S10 to S19, S21 to S26, S31 to S36). The clutch…
A transmission system for vehicle includes a clutch (3) disposed in a power transmission path (6) between an engine (2) and a vehicle wheel (5), a transmission (4) disposed in the power transmission path (6), a clutch actuator (11), a shift actuator (13), a vehicle wheel speed sensor (16), a sudden…
A transmission in which gear change of a MT system, an AT system and an AMT system can be performed, and unintended transition between an AT mode or an AMT mode and a MT mode can be prevented. Selection section (310) of control section (300) performs a mode selection control such that, when…
A vehicle includes a transmission, and an Electronic Transmission Range Selection (ETRS) system. The transmission has a plurality of clutches, a park pawl, and a park sensor. The ETRS system has a controller and an electronic range selector device. The controller is programmed to detect a delay in…
The invention relates to a method for controlling a drivetrain during a starting procedure of a motor vehicle, wherein the motor vehicle comprises an engine, a transmission and an automatically actuated clutch. The invention further relates to a control system for the drivetrain during starting of…
A vehicle control apparatus (1) for performing a creep control of a vehicle including an internal combustion engine (2) and an electric motor (5), the vehicle control apparatus includes a control portion (1) controlling a first torque obtained by the internal combustion engine (2) and a second…
The present invention provides a method and a system for the control of a time derivative Tq fw for a dynamic torque, which is provided to an output shaft from an engine in a vehicle driven with a driving gear activated in a gearbox in the vehicle. The method comprises a determination of a current…
A vehicle drive device which can reduce occurrence of shock associated with engagement of a clutch after speed change at a vehicle provided with a manual transmission and the clutch is provided. The device includes a speed change target engine torque calculation portion, in a case where the clutch…
Provided is a control device for an automatic transmission that can quickly respond to a new shift request for connecting an engaging clutch during shifting process to release the engaging clutch. The control device is provided with: an automatic transmission (3) having an engaging clutch (83) as…
A control device for a vehicle includes a control unit (1, 2, 3) configured to: implement a first travelling mode of engaging a power connecting/disconnecting device (50) at a time an accelerator opening is greater than a fully closed state and not greater than a first opening; implement a second…
A launch control method for a continuously variable transmission (CVT) is provided, where the CVT comprises a hydro-mechanical variator (12), a summing transmission (34) connected to an output side of the variator (12), and a clutch (52) for selectively connecting the summing transmission (34) to…
A control device 40 of a wheel loader obtains a first ratio that is a ratio between a value corresponding to a target traveling distance that is a target for the wheel loader, when it travels to a discharge position where an excavated substance is discharged after an excavation with a bucket, and a…
To improve silence in a vehicle interior space in an idle reduction state. The present disclosure is applied to a vehicle including an idle reduction function of stopping the idling of the engine (91) and restarting the engine (91) when the vehicle starts moving. When the engine (91) is in a…
To suppress a voltage drop of a battery in an idle reduction state. The present disclosure is applied to a vehicle including an idle reduction function of stopping the idling of the engine (91) and restarting the engine (91) when the vehicle starts moving. Then, a steering-by-wire control…
A hybrid vehicle includes an engine and an electric machine selectively coupled to one another via a clutch. In one mode of operation, the vehicle can be propelled by only the electric machine while the engine is off. When additional torque is required from the engine, at least one controller…
An ECU (4) is configured to change an output characteristic of an engine (1) according to a gear stage of a manual transmission (2) and, when the gear stage of the manual transmission (2) is shifted, execute torque control in which an engine torque is caused to approach a target engine torque of…
A power transfer device 20 includes a hydraulic clutch 80 capable of coupling and decoupling a secondary shaft 44 of a CVT 40 and axles 79 to and from each other. A secondary pulley 45 of the CVT 40 includes a movable sheave 452 movably supported by the secondary shaft 44, and a secondary piston 51…
The purpose of the present invention is to further improve fuel economy while ensuring amplification of braking force upon brake operation in a vehicle capable of coasting in a state in which there is less engine-braking force than when traveling with engine braking. Free-run coasting, which…
The invention relates to a coupling device (3) which is arranged in a drive train (5) between an internal combustion engine (1) and a manual transmission (4) of a motor vehicle. An input shaft (11) is non-rotatably connected to the internal combustion engine (1) and an output shaft (41) is…
The invention relates to a device and a method for processing a torque specification for a drive engine and for reducing drivetrain shocks. The device is configured to reduce a gradient of the torque demand (1) in a range around a clutch zero torque (3), wherein the device is furthermore configured…
A running control system for vehicles is provided to reduce engagement shocks of a clutch 10 and to raise the torque of drive wheels 2 quickly upon satisfaction of a condition of engagement of the clutch 10. In a vehicle to which the running control system is applied, power transmission between an…