4822results about "Automatic initiations" patented technology

To provide a braking control device of a vehicle that can execute starting-assist control of suppressing a vehicle from moving backward on an uphill road, which can improve hill-climbing performance.SOLUTION: A braking control device comprises an actuator that can individually adjust braking torque applied to a plurality of wheels, and a controller that holds the braking torque so as to prevent a vehicle from moving backward on an uphill road through the actuator and then executes starting-assist control of gradually reducing the braking torque. The controller can execute traction control by which the braking torque is increased in a slip wheel in which an acceleration slip of the wheel becomes larger than a predetermined slip to reduce the acceleration slip. Further, the controller determines a final control amount Qt on the basis of a first control amount Qa of the braking torque relating to the starting-assist control and a second control amount Qb of the braking torque relating to the traction control, and controls the braking torque on the basis of the final control amount Qt.SELECTED DRAWING: Figure 5

A brake system includes a reservoir and a motor-driven master cylinder for actuating a plurality of wheel brakes. A secondary power transmission unit provides pressurized hydraulic fluid at first and second PTU outputs for actuating the wheel brakes in at least one of a normal non-failure braking mode and a backup braking mode. The secondary power transmission unit includes an electric PTU motor and at least two pump pistons. At least two brake pressure sensors are provided. Each brake pressure sensor is located directly adjacent a corresponding wheel brake for sensing hydraulic pressure at the corresponding wheel brake and responsively producing a brake pressure signal. An electronic control unit is provided for controlling at least one of the secondary power transmission unit and the master cylinder responsive to at least one brake pressure signal. The secondary power transmission unit is directly fluidly connected to the reservoir.

The invention discloses a vehicle braking torque adjusting method and system based on multiple input signals. The vehicle braking torque adjusting method and system aim at improving the safety, driving experience and braking efficiency of a vehicle in a complex environment. The system collects the vehicle driving state, the intention of a driver and the road friction condition in real time through a plurality of sensor modules, and accurate data support is provided for brake control. According to the diversified input, the system can intelligently recognize the road surface state and dynamically adjust the braking torque gradient, the braking response is optimized, and the stability of the vehicle in various driving environments is ensured. The sudden change and step phenomena in the braking process are smoothed through a feedforward control algorithm, the driving experience is improved, instability caused by system switching control strategies is avoided, and based on motor back electromotive force spectrum analysis, the system can accurately adjust energy recovery and improve the energy utilization efficiency of the vehicle. And powerful support is provided for improving the braking performance, the safety and the automatic driving technology of modern vehicles.

An embodiment related to a system comprising a processor, a computer vision module, and a control module; wherein the processor is operable to detect a lane reduction in a nearest disappearing lane; detect a neighboring vehicle and a driving action of the neighboring vehicle in the nearest disappearing lane; detect a license plate of the neighboring vehicle; receive a first signal from the neighboring vehicle for a driving mode; detect a point of lane disappearance in the nearest disappearing lane; determine a time interval for the neighboring vehicle to reach to the point of lane disappearance; execute a risk assessment of a collision based on the driving action and then transmit a control command to an actuator system of a host vehicle based on the risk assessment.

One variation of a system includes a modular kit. The modular kit includes: a driven axle configured to install on a bogie chassis supporting a trailer chassis of a trailer; a motor coupled to the driven axle; a battery assembly; a set of electrical cables; and a cable carrier. The battery assembly includes a set of retention features configured to transiently engage a set of engagement features on the trailer chassis to couple the battery assembly to the trailer chassis and is configured to: supply electrical energy to the motor to drive the driven axle; and receive electrical energy from the motor to regeneratively brake the driven axle. The set of electrical cables are configured to electrically couple the motor and the battery assembly. The cable carrier is configured to: locate between the bogie chassis and the battery assembly; and support the set of electrical cables over a range of longitudinal positions.

The invention discloses a collision early warning method and device based on a fusion sensor and a medium, and relates to the technical field of data processing.The method comprises the steps that radar point cloud information in front of a vehicle is collected through a millimeter-wave radar, and image information in front of the vehicle is collected through a camera device; the radar point cloud information in front of the vehicle and the image information in front of the vehicle are fused through a three-dimensional environment analysis model to obtain a three-dimensional environment in front of the vehicle, and the three-dimensional environment in front of the vehicle comprises obstacle distribution coordinates; traversing the obstacle distribution coordinates to perform collision risk assessment to obtain a collision risk level; when the collision risk level is larger than or equal to a first risk level threshold value, emergency braking is executed; and when the collision risk level is greater than a second risk level threshold, generating a collision early warning signal for early warning, thereby achieving the technical effects of initially identifying a target contour through the image, executing analysis modeling of part of point cloud data in a targeted manner through the radar point cloud, reducing the calculation amount and further improving the early warning timeliness.

An all-terrain vehicle may include a frame and a plurality of ground-engaging members supporting the frame. The all-terrain vehicle may further include a powertrain assembly supported by the frame and shiftable transmission supported by the frame and operably coupled to the powertrain assembly. The all-terrain vehicle may also include a display, a back-up camera, and a controller supported by the frame. The controller may be configured to receive a signal from the shiftable transmission corresponding to the shiftable transmission being in a gear of the plurality of gears other than a reverse gear. Further, the controller may be configured to determine the all-terrain vehicle is moving backwards and send an activation signal to the back-up camera to display images of the back-up camera on the display.

A brake system for a motor vehicle has electromechanical wheel brakes, a brake operating unit and a central brake control unit. The wheel brakes each have a local brake control unit. The central brake control unit is connected to the brake operating unit and the local brake control units via a first data connection. The brake operating unit is connected to the local brake control unit of at least one wheel brake via a second data connection. In a normal operating mode the central brake control unit determines at least one brake demand from first operating information, received via the first data connection and transmits control signals corresponding to the brake demand to the local brake control units. In a fallback operating mode the local brake control units actuate the respective wheel brakes basis on second operating information, received via the second data connection.

A method is for safely braking a trailer of a vehicle combination including a motor vehicle and the trailer. The motor vehicle has an electronically controllable pneumatic motor vehicle braking system and the trailer has a pneumatic trailer braking system. The motor vehicle braking system and the trailer braking system are connected at least by a trailer control line and a trailer feed line. The trailer braking system has at least one trailer brake circuit including a trailer supply reservoir for making available a trailer supply pressure for the trailer brake circuit, service brake actuators and spring brake actuators. In response to a demand for safe braking of the trailer, the motor vehicle brings about lowering of the trailer supply pressure in the trailer brake circuit, with the result that the spring brake actuators of the trailer are applied and safely brake the trailer.

The vehicle control device of the present invention acquires characteristics of a road condition in front of a traveling vehicle based on external information; acquires vehicle behavior control variables for controlling the behavior of the vehicle based on estimated state variables of the vehicle that are obtained based on the characteristics, and control variables concerning speed of the vehicle based on the external information; acquires trajectory tracking control variables for causing the vehicle to track the target trajectory based on the target trajectory on which the vehicle travels that are obtained based on the characteristics and the estimated state variables; and outputs the control commands for controlling the suspension device, steering device, and braking and driving device based on the vehicle behavior control variables and the trajectory tracking control variables. This improves travel stability of the vehicle on a road surface on which an irregularity such as ruts exists.

The invention discloses a semitrailer automatic emergency braking control system and method based on vehicle-road cooperation. The system comprises an information acquisition module and a multi-stage AEB early warning module. The invention provides a semi-trailer braking control system, a multi-stage AEB braking module, an inverse braking module and a PID control module, and provides a braking control method using the control system, and accurate multi-stage early warning and multi-stage braking control are output for a semi-trailer under different road situations based on the vehicle-road cooperation technology. The brake deceleration output by the control strategy is converted into brake master cylinder pressure by constructing an inverse brake module; and based on a PID control module, the error between the ideal expected braking deceleration planned by the control strategy and the actual braking deceleration of the semi-trailer actually running under each working condition is reduced. The semitrailer can accurately judge and output accurate control braking deceleration according to different road scenes such as various road attachment conditions, and the requirement for automatic emergency braking control of the semitrailer under the complex road working conditions such as a low attachment road surface, a curve and a ramp is met.

The invention discloses a vehicle driving assistance system and method based on AR glasses. The system comprises an environment sensing module, a driver state monitoring module, a danger early warning and avoiding module, an automatic driving and auxiliary driving module, a driving simulation and training module, an abnormal behavior recognition module, a road information and navigation module and a health and emergency response module. The environment perception module is used for solving the problem of poor sight in extreme weather and road perception in a complex environment; by means of sensors such as the laser radar and the camera, road obstacles, pedestrians and vehicles can be accurately recognized, highlighted marking in the AR visual field is achieved, accidents caused by sight blind areas or distraction are reduced, indexes such as the blinking frequency and the head posture of a driver can be monitored, immediate reminding is conducted when fatigue or distraction is found, and parking and resting are forcibly suggested when necessary; and when the driver does not respond in time, the system can automatically brake or adjust the direction to avoid collision.

A vehicle (22) being operable in an autonomous driving mode having a parking brake (17) with a first actuation unit (9) configured to apply or release the parking brake (17); an activation device (10) configured to activate or deactivate the autonomous driving mode; an interlock (11), wherein the interlock (11) is configured to prevent an activation of the autonomous driving mode unless the parking brake (17) is applied by the first actuation unit (9).

A terrain distance control system for automated vehicles is disclosed, in which the operation of at least one transmission and / or braking system(s) can be controlled in response to a generated distance request to achieve an identified driving distance and to fulfill a command for maximum force or maximum thrust. During the vehicle's travel, a measured distance can be accumulated such that the measured distance increases when the vehicle travels in a first direction and decreases when the vehicle travels in a second direction. The system can automatically determine a distance to be traveled relative to the measured distance before issuing commands to actuate a brake actuator and / or a transmission actuator to decelerate and / or stop the vehicle.The system can also evaluate whether the measured distance at the location where the vehicle actually stopped falls within the distance tolerance of the distance request. The measured distance can be reset when the system is switched on or off.

The invention provides a vehicle driving control method and device for a backlight scene, equipment and a medium. The method comprises the steps that multi-source information of a target vehicle is acquired in real time; performing fusion calculation on the multi-source information to obtain a current backlight risk index of the target vehicle; determining a driving assistance strategy or an automatic emergency braking strategy based on the backlight risk index; and controlling the target vehicle according to the driving assistance strategy or the automatic emergency braking strategy. According to the vehicle driving control scheme for the backlight scene, the backlight risk index is generated by fusing the multi-source information, the backlight scene is accurately judged, the corresponding driving assistance or automatic emergency braking strategy is formulated, the driving safety and reliability of the vehicle in the complex backlight environment are improved, and the driving safety of the vehicle in the complex backlight environment is improved. The problems that in the prior art, due to dependence on a single sensor in a backlight scene, the target recognition precision is low, a dynamic adaptation mechanism is lacked, and a braking strategy is difficult to pre-judge and adjust in advance are solved.

The invention relates to an automatic emergency braking control method and device, computer equipment and a vehicle. The method comprises the following steps: acquiring own vehicle state information, and determining whether an own vehicle meets a preset effective condition or not according to the own vehicle state information; under the condition that the own vehicle state information meets a preset effective condition, target vehicle state information is obtained, and the longitudinal collision time between the own vehicle and the target vehicle is calculated according to the target vehicle state information and the own vehicle state information; under the condition that the longitudinal collision time meets a preset collision condition, determining that the target vehicle is a short-distance early warning target, and giving an alarm; and detecting the definition of the current lane line, and controlling the vehicle to brake and decelerate according to the current road curvature under the condition that the current lane line is not clear and the vehicle is in a stable straight moving state. The method can adapt to vehicle requirements, reduces the false triggering probability, avoids vehicle instability, and improves the vehicle driving safety and reliability.

A vehicle control device of an embodiment includes a recognizer configured to recognize a surrounding situation of a host vehicle, a driving state detector configured to detect a driving state of an occupant of the host vehicle, and a braking controller configured to execute deceleration control based on a target deceleration of the host vehicle when determination is made that an obstacle is present in front of the host vehicle, based on a detection result of the driving state detector, in which the braking controller stops the deceleration control when an accelerator operation of a prescribed value or more of the occupant is detected by the driving state detector, and changes the prescribed value based on an operation speed of the accelerator operation.

A control system (202) can directly or indirectly measure force applied between a trailer (112) and a prime mover vehicle (102) coupled to the trailer. Based on the measured force, the control system can determine an operational state of one or more features of the trailer. For example, static resistance, rolling resistance, and / or acceleration rate of the trailer can be measured while applying a specific braking actuation level to the service air brakes of the trailer. Based at least in part on the measured static resistance, rolling resistance, and / or acceleration rate, an operational model (206) for actuation of the service air brakes can be applied. In some examples, the control system can be part of the prime mover vehicle, for example, an autonomous vehicle.

A system is operable for controlling a force applied on a trailer being towed by a vehicle is described to a desired force Fd. The trailer has brakes and an optional motor for providing a propelling force to the trailer. A force sensor senses fore-aft forces between the vehicle and trailer at all times while the trailer is being towed. A controller receives signals from the force sensor and is operatively connected to the trailer brakes and the motor. The system controls the force between a towing vehicle and a trailer to the desired force Fd, by any one of: (a) operating the brakes to apply a braking force to the trailer; (b) activating the motor to apply a propelling force to the trailer; and (c) operating the brakes and activating the motor to apply both a braking and a propelling force to the trailer.

The invention provides a vehicle blind area monitoring device and method based on a rear camera. According to at least one implementation mode, the invention provides a vehicle blind area monitoring device based on a rear camera, and the device comprises an image acquisition unit, a control unit and a display unit. The image acquisition unit is configured to acquire a rear image from a rear camera mounted on a vehicle. The control unit is configured to set a region of interest in the rear image based on a steering signal or a lane departure signal of the vehicle, determine whether there is a risk of approaching an object in the region of interest to the vehicle, and generate a blind spot image based on whether there is a risk of approaching. The display unit is configured to display a blind spot image.

The embodiments presented herein relate to a system and method for integrating electronic parking brake and service brakes to improve performance of spring brake requests at road speed. In one embodiment, a vehicle is provided comprising: a park brake; a service brake, a controller, and a valve. The controller is configured to: receive a request to apply the park brake while the vehicle is moving above a threshold speed; and in response to receiving the request, simultaneously attempt to apply both the parking brake and the service brake. The valve is configured to prevent simultaneous application of both the park brake and the service brake and allow only the service brake to be applied in response to the valve receiving sufficient pneumatic output to apply the service brake. Other embodiments are provided.

An object of the present invention is to provide a vehicle control device capable of avoiding the collision with an obstacle by performing an appropriate collision assessment and appropriate driving assistance having considered a detection error of the obstacle. The vehicle control device 100 includes a collision assessment unit 3 which assesses whether or not there is a possibility of an ego vehicle and an obstacle colliding with each other, and a driving assistance control unit 4 which performs driving assistance for avoiding the collision. The collision assessment unit 3 includes a region setting unit 31 which sets an ego vehicle region and an obstacle region, a location prediction unit 33 which predicts future locations of the ego vehicle region and the obstacle region, and an overlap assessment unit 34 which assesses that there is a possibility of collision when the ego vehicle region and the obstacle region overlap at the future location. The region setting unit 31 changes, on the basis of a moving speed of the obstacle, the size of the ego vehicle region and / or the obstacle region from the size of the ego vehicle and / or the obstacle, to thereby set the ego vehicle region and the obstacle region.

Provided are a method and system for auxiliary emergency braking after a braking failure, and an electronic device, a computer-readable storage medium, a computer program product and a computer program. The method comprises: obtaining a braking system failure factor parameter numerical value on the basis of a braking system health state observer or a fault diagnosis module of a current vehicle; constructing a braking risk decision function on the basis of a braking system failure factor and related data of the current vehicle to calculate a current braking risk value, and obtaining a desired lateral displacement of the current vehicle on the basis of the current braking risk value and steering system data; constructing an integral heuristic barrier Lyapunov function on the basis of the desired lateral displacement of the vehicle and vehicle state information after decision making, and obtaining a desired vehicle traveling yaw angle on the basis of a calculation result of the function; and converting the desired vehicle traveling yaw angle into an input front wheel steering angle value of the current vehicle, and converting the input front wheel steering angle value of the current vehicle into steering-assist electric motor output data, so that a steering system intervenes in and controls safe braking after a braking process fails.

According to a first aspect of the present disclosure, there is provided a dolly featuring at least one wheel, an auto-engaging brake, and a release mechanism for selectively manipulating the auto-engaging brake from an applied state to a released state. The dolly further includes a tow bar which is connected to the release mechanism for operating the auto-engaging brake between the applied and released state.

A method of braking a tractor-trailer includes sensing, autonomously, a braking event, the braking event being indicative of a requirement for braking the tractor-trailer and actuating a trailer brake valve of a trailer of the tractor-trailer to apply trailer brakes prior to actuating a tractor brake valve of a tractor of the tractor-trailer to apply tractor brakes and to apply trailer brakes. Actuating the trailer brake valve of the trailer of the tractor-trailer occurs in response to the sensing of the braking event.

A system including a computer having a processor and a memory. The memory includes instructions executable by the processor to, upon actuating movement of a steering element of a vehicle, measure a torque applied to the steering element in a direction opposite the actuated movement. In response to a determination that the torque is less than a predetermined threshold, the processor actuates a component of the vehicle.

The present invention discloses a safe driving early warning system for intervention based on driver emotions. The system obtains current driver facial expression dynamics through a driver emotion real-time recognition unit, performs intelligent emotional analysis based on the obtained facial expression dynamics, and controls a vehicle running status based on a real-time emotion recognition result. The system monitors driver emotions in real time during driving, and controls a vehicle driving status and / or issues a safety warning to a driver according to a monitoring result, so as to ensure the traffic safety of various vehicles from the perspective of the driver.

An enhanced lifeform transmission system to locate a lifeform (e.g., human, animal, etc.) wanting to be identified as a lifeform for collision avoidance. The lifeform transceiver is worn on a limb or neck of the lifeform. The collision avoidance system is housed inside the vehicle and receives communications from the lifeform transceiver. The lifeform is automatically detected and the lifeform transmitter is automatically turned on and off when a lifeform enters and exits a vehicle. The lifeform transceiver also tracks and protects the lifeform in a manufacturing facility or at an outdoor location.

The invention relates to a vehicle braking system, a vehicle chassis system, a vehicle and a vehicle braking method.The vehicle braking system comprises a steering device used for achieving steering of wheels; the control device is used for controlling the steering device so that the steering device at least has a braking steering mode and a parking steering mode; wherein when the steering device is in the brake steering mode, the steering angle of at least one wheel exceeds the target steering angle of the wheel; when the steering device is in the parking steering mode, the steering angle of at least one wheel is a preset parking steering angle. The vehicle braking system, the vehicle chassis system, the vehicle and the vehicle braking method have the beneficial effects that the vehicle braking system, the vehicle chassis system, the vehicle and the vehicle braking method which can adapt to various states of the vehicle to obtain adaptive braking force are provided.

An electrified vehicle includes a human-machine interface to enable a towed vehicle mode to enable electric pumps to lubricate and / or cool vehicle components and to disable driver assistance features while the electrified vehicle is being towed by another vehicle. The electrified vehicle includes a drivetrain having an electric machine configured to provide propulsive torque to vehicle wheels, a high-voltage traction battery selectively connected to the electric machine, a battery powered fluid pump configured to pump fluid to the drivetrain, and a controller programmed to, after receiving a signal enabling towed vehicle operation of the electrified vehicle, control operation of the battery powered fluid pump while the electrified vehicle is being towed. The controller may disable one or more driver assistance features and alerts such as automatic emergency braking, automatic shifting of the drivetrain, automatic parking brake operation, automatic headlights, automatic steering, cruise control, parking assistance, and external object distance detection.