Disclosed are a method and apparatus for controlling a vehicle speed for autonomous driving, an electronic device and a computer-readable storage medium. The method includes: obtaining a basic vehicle speed control instruction output by a central controller of a target vehicle in real time; generating an ideal speed parameter matching the basic vehicle speed control instruction according to a preset processing delay; generating an additional vehicle speed control instruction to perform vehicle speed control on the target vehicle according to a difference between the ideal speed parameter and a real-time speed parameter of the target vehicle; and returning to perform the operation of generating the ideal speed parameter matching the basic vehicle speed control instruction according to the preset processing delay until the real-time speed parameter of the target vehicle tends to be consistent with the ideal speed parameter.

A method is provided to control the acceleration of a motor vehicle from a current speed, wherein the motor vehicle includes an accelerator pedal system able to generate on the accelerator pedal an added reaction force when the depression of the accelerator pedal reaches a given depression level. The method includes the steps of: a) measuring the current vehicle speed; b) determining a target speed of the motor vehicle in function at least of the current vehicle speed or determining from the current vehicle speed a maximum acceleration rate; c) determining at least one threshold depression level of the accelerator pedal that corresponds to the stabilization of the vehicle speed at the target speed or that corresponds to maximum acceleration rate; d) generating an added reaction force on the accelerator pedal if the depression of the accelerator pedal reaches or is about to reach the threshold depression level; wherein at least steps a), b), and c) are automatically repeated as vehicle speed increases.

A method for operating a speed control system of a vehicle having a plurality of wheels is provided. The method comprises receiving one or more electrical signals representative of vehicle-related information. The method further comprises determining, based on the one or more electrical signals representative of vehicle-related information, that one or more of the wheels of the vehicle have overcome an obstacle or are about to overcome an obstacle and that therefore a reduction in an applied drive torque to one or more of the wheels of the vehicle by a powertrain subsystem (applied drive torque) will be required to maintain the speed of the vehicle at a target set-speed of the speed control system. The method still further comprises automatically commanding the application of a retarding torque to one or more of the wheels of the vehicle to counteract the effect of an overrun condition in the powertrain subsystem from increasing the speed of the vehicle. A system for controlling the speed of a vehicle comprising an electronic control unit configured to perform the above-described methodology is also provided.

A method for operating a speed control system of a vehicle having a plurality of wheels is provided. The method comprises receiving one or more electrical signals representative of vehicle-related information. The method further comprises determining, based on the one or more electrical signals representative of vehicle-related information, that one or more of the wheels of the vehicle have overcome an obstacle or are about to overcome an obstacle and that therefore a reduction in an applied drive torque to one or more of the wheels of the vehicle by a powertrain subsystem (applied drive torque) will be required to maintain the speed of the vehicle at a target set-speed of the speed control system. The method still further comprises automatically commanding the application of a retarding torque to one or more of the wheels of the vehicle to counteract the effect of an overrun condition in the powertrain subsystem from increasing the speed of the vehicle. A system for controlling the speed of a vehicle comprising an electronic control unit configured to perform the above-described methodology is also provided.

A prime mover control device of a work vehicle equipped with a torque converter includes: a speed ratio calculation unit that calculates a speed ratio of the torque converter; and a rotational speed limit unit that, when a speed ratio falls within a preset speed ratio range, limits a maximum rotational speed of the prime mover to be lower as compared with a maximum rotational speed set when a speed ratio falls without the preset speed ratio range. When a state in which the speed ratio calculated by the speed ratio calculation unit falls within the preset speed ratio range is maintained for a predetermined time period, the rotational speed limit unit changes a maximum rotational speed of the prime mover to a higher maximum rotational speed than the limited maximum rotational speed limited to be lower by the rotational speed limit unit.

Engine control modules as well as methods and systems implementable in a vehicle are disclosed, in which the engine control module includes a processing unit operative to control a target vehicle speed. The processing unit receives current status information and lookahead information regarding a route to be taken by the vehicle, performs a lookahead power requirement calculation based on the current status information and the lookahead information to determine an event, calculates a plurality of offsets with respect to an isochronous speed of the vehicle based on the determined event, and sets a target vehicle speed curve by applying the plurality of offsets to the isochroous speed.

The present invention relates to a method for determining a desired speed of a vehicle (1), preferably an autonomous vehicle. The vehicle comprises a shock absorber arrangement (2), preferably an hydraulic shock absorber arrangement, having an elastic hysteresis. The method comprises—obtaining (501) a reference value indicative of the energy dissipated by the shock absorber arrangement (2) in a reference driving condition of a vehicle and—determining (502) a speed of the vehicle for which the value indicative of the energy dissipated by the shock absorber arrangement (2) in a similar driving condition is expected to fall within a predetermined energy dissipation range, using said reference value.

Provided is a vehicle travel control apparatus including: a vehicle controller configured to execute constant speed travel control for causing a vehicle to travel at a target speed, and configured to execute a target speed increasing process of increasing the target speed by a predetermined speed increase amount; a display device configured to display a setting screen which allows a driver to change at least the speed increase amount; and a memory configured to store the speed increase amount changed on the setting screen, the vehicle controller being further configured to execute the target speed increasing process in accordance with the speed increase amount which has been stored in the memory.

A method for a speed controller for a motor vehicle, wherein a speed prescription is set by the driver and automatic adjustment of the speed to the speed prescription is carried out at least by setting an engine torque prescription, wherein at the start of the speed control the engine torque prescription is set to an initial value, wherein the initial value is determined in accordance with at least one parameter.

A power control method includes at least: detecting a first driving state of a vehicle; determining that the vehicle obtains an assisting power from outside of said vehicle according to the first driving state of the vehicle; determining a second driving state of the vehicle which is provided thereto due to the assisting power from outside; controlling the vehicle to generate a first compensating power for use in compensating power for the driving of the vehicle according to the second driving state; and controlling the vehicle to operate on the basis of the first compensation power. Also provided are a vehicle and a non-transitory computer storage medium.