F16H2061/0234

Control device for automatic transmission and control method for automatic transmission
11692621 · 2023-07-04 · ·

A control device for an automatic transmission in a vehicle with a constant speed travel mode includes: a determination section that determines whether the vehicle is traveling on a slope road; a slope adaptation control section that implements a first transmission shift control if not traveling on a slope road and, if traveling on a slope road, implements a second transmission shift control for selecting a transmission shift position of a lower speed than case of not traveling on a slope road; a delaying section that, upon switching from the second transmission shift control to the first transmission shift control, implements an upshift delay control for performing upshift one by one at a predetermined time interval; and a setting section that, in case of traveling at the constant speed travel mode, sets the time interval shorter in comparison with case of traveling not at the constant speed travel mode.

METHOD, CONTROL DEVICE AND COMPUTER PROGRAM PRODUCT FOR DETERMINING A POSITION OF A MOTOR VEHICLE

Disclosed is a method for determining a position of a motor vehicle by means of a location device of the motor vehicle. First, a first position (x.sub.1) related to an installation point of the location device in the motor vehicle is determined. In order to determine a position suitable for controlling the motor vehicle, with reference to the said first position (x.sub.1) a second position (x.sub.2) related to a center of gravity of the vehicle is determined, in that the first position (x.sub.1) is offset by a distance (a) between the said installation point of the location device and the center of gravity of the vehicle.

METHOD AND SYSTEM FOR CONTROLLING GEAR OF TWO-SPEED GEARBOX
20220390006 · 2022-12-08 ·

A method and a system for controlling a gear of the two-speed gearbox and a vehicle is provided. The method for controlling a gear of a two-speed gearbox includes: determining a first target gear of the gearbox reflecting a current driving demand of a user according to a current vehicle-speed; and performing a gear intervention control of the gearbox based on at least one of the following aspects: position information of a drive gear-lever, a rotation-speed of a drive motor of a vehicle, and gear fault information of the gearbox, to shift the first target gear of the gearbox to a second target gear of the gearbox that matches with real-time operation conditions of the vehicle.

CONTROL DEVICE FOR AUTOMATIC TRANSMISSION AND CONTROL METHOD FOR AUTOMATIC TRANSMISSION (as amended)
20220349467 · 2022-11-03 · ·

A control device for an automatic transmission in a vehicle with a constant speed travel mode includes: a determination section that determines whether the vehicle is traveling on a slope road; a slope adaptation control section that implements a first transmission shift control if not traveling on a slope road and, if traveling on a slope road, implements a second transmission shift control for selecting a transmission shift position of a lower speed than case of not traveling on a slope road; a delaying section that, upon switching from the second transmission shift control to the first transmission shift control, implements an upshift delay control for performing upshift one by one at a predetermined time interval; and a setting section that, in case of traveling at the constant speed travel mode, sets the time interval shorter in comparison with case of traveling not at the constant speed travel mode.

VEHICLE GEAR CONTROL METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM

A vehicle gear control method includes acquiring a driving scene image while a vehicle is driving, and performing image recognition on the acquired driving scene image to obtain a driving scene label including at least one of a road attribute label, a traffic attribute label, or an environment attribute label. The method further includes acquiring driving status data and driving behavior data corresponding to the vehicle. The driving status data indicates at least one of vehicle speed and vehicle acceleration and the driving behavior data indicates at least one of a brake control input, an accelerator control input, or a throttle opening degree. The method further includes determining a gear shifting mode based on the driving status data, the driving behavior data, and the driving scene label. The gear shifting mode controls the vehicle to drive according to a corresponding gear at a corresponding gear shifting time.

METHOD, COMPUTER PROGRAM, COMPUTER-READABLE MEDIUM, CONTROL ARRANGEMENT AND A VEHICLE FOR DOWNSHIFTING GEARS IN AN UPHILL SLOPE

A method in a control arrangement of a vehicle and a control arrangement for a vehicle for downshifting gears in an uphill slope are presented. The method comprises, when the vehicle is travelling in an uphill slope using an initial gear of the vehicle's automated manual transmission gearbox: simulating at least one speed profile for a downshift to, and a usage of, at least one gear; determining that a minimal speed of each one of the at least one simulated speed profile has a value indicating that the actual speed of the vehicle will be less than or equal to zero in the uphill slope; opening a clutch before is reduced to a value less than zero; activating at least one vehicle brake; shifting vehicle's automated manual transmission gearbox to a start gear; closing the clutch; and deactivating the at least one vehicle brake.

System and method for controlling a driving system

Systems and methods relating to controlling a driving system operatively coupled to a vehicle are disclosed. A location is identified using one or more sensors included with the vehicle. An input of the driving system is identified using the location. A desired output of the driving system is determined using the input.

Systems and methods for dynamic gear state and vehicle speed management
09835248 · 2017-12-05 · ·

According to one aspect of the present disclosure, a control system, apparatus, and method includes dynamic optimization of at least one of a vehicle reference speed and/or transmission gear state of a vehicle by determining current and future engine power requirements from the current and forward-looking route conditions to improve performance, drivability, and/or fuel economy of the vehicle over what is achievable through conventional gear state selection via static calibration tables and conventional shifting strategies. The selection of the vehicle reference speed and gear state can be performed independently of one another in one embodiment, and complementary of one another in another embodiment.

METHOD AND DEVICE FOR CONTROLLING TRANSMISSION OF VEHICLE
20230184328 · 2023-06-15 · ·

A method of controlling a transmission of a vehicle, includes determining, by a controller, whether a shift prohibition condition for preventing overheating of the transmission of the vehicle in a terrain mode, which is a rough road driving mode of the vehicle, is satisfied; determining, by the controller, whether a shift operation of the transmission corresponding to a busy shift phenomenon of the transmission is detected when the shift prohibition condition is satisfied; and prohibiting, by the controller, shifting of the transmission when the shift operation of the transmission corresponding to the busy shift phenomenon of the transmission is detected.

Working vehicle

A working vehicle includes: a vehicle body; a linkage device configured to link a working device to the vehicle body; a prime mover provided on the vehicle body; a traveling device configured to cause the vehicle body to travel; a transmission device configured to transmit power from the prime mover to the traveling device and perform a speed change process to change a speed of the vehicle body; an increase-in-speed detection device configured to detect an increase in speed of the vehicle body; and a speed change restraint unit configured such that, during the speed change process performed by the transmission device, when the increase in speed detected by the increase-in-speed detection device has become equal to or greater than a threshold, the speed change restraint unit stops the speed change process performed by the transmission device.