1760results about "Automatic initiations" patented technology

The invention provides an emergency braking control method, which is realized by using an emergency braking loop structure, and the emergency braking loop structure comprises a control loop connected with an occupied end and an action loop for connecting emergency braking electromagnetic valves of vehicles in parallel; a positive electrode power supply and a negative electrode power supply are provided for the control loop through the occupied end, and the control loop enables the two ends of an emergency braking loop relay to be powered on by connecting monitoring conditions and train lines in series; the action loop is used for connecting the emergency braking electromagnetic valves of all the vehicles in parallel, and when the relay of the emergency braking loop loses power, the normally open contact is disconnected, the emergency braking electromagnetic valves of all the vehicles lose power, and emergency braking is generated; according to the method, the problems and defects of an emergency braking loop of an existing motor train unit project can be solved, a specific monitoring function is executed through the emergency braking loop independent of a train control system, and the emergency braking loop adopts a control mode of a hardware relay control circuit, so that safe stopping of a motor train under the fault condition is guaranteed.

The invention relates to an automatic emergency braking threshold value adjusting method and system based on in-cabin multi-mode information, and relates to the technical field of auxiliary driving, the method comprises the steps that visual information and audio information of a driver and at least one passenger in a cabin are obtained, the visual information comprises facial expressions and head postures, and the audio information comprises audio information of the driver and the at least one passenger; the audio information comprises voice features and non-voice sounds; respectively calculating a driver state coefficient and a passenger state coefficient based on the visual information and the audio information; fusing the driver state coefficient and the passenger state coefficient to obtain an in-cabin safety situation coefficient; and according to the in-cabin safety situation coefficient, a triggering threshold value of the automatic emergency braking system is adjusted in a self-adaptive mode. According to the method, multi-modal information such as vision and audio in the cabin is fused, and state analysis of all passengers is combined, so that intelligent self-adaptive adjustment of the AEB braking threshold value can be realized, and the sensing accuracy and decision reliability of an emergency braking system in a complex scene are improved.

The invention relates to an AEB triggering method for reducing false triggering in a curve scene, and the method comprises the steps: firstly constructing a lane line recognition and lane geometric modeling module, forming a stable lane boundary and a center line, building a Frenet coordinate system, and completing the judgment of the lane attribution of a target vehicle and the compensation of the curve distance; performing out-of-control stage identification on an overline target after an overline event is triggered, and generating a trajectory beam and a three-dimensional dynamic occupation envelope under the constraint of a stage label to obtain a future influence area of the target; a tree-enhanced Bayesian network is introduced into the risk inference layer to describe a dependency relationship among multiple risk variables, and collision point grid posteriori distribution and a high-risk duration window are output; a braking feasible region is constructed by combining a forward collision avoidance demand and a backward rear-end collision prevention constraint at a braking decision-making layer, and an impact rate constraint and a damage cost are introduced to realize AEB graded triggering and braking instruction optimization, so that an out-of-control intrusion risk can be inhibited in advance, and the false triggering probability can be reduced.

The invention provides a vehicle control method, electronic equipment and a vehicle, which are applied to an intelligent cockpit, and the method comprises the following steps: determining a collision risk level in response to determining that the vehicle in running has a collision risk; executing an emergency strategy corresponding to the collision risk level based on the collision risk level; after the emergency strategy is executed, if the collision risk is still not eliminated and / or the driver does not intervene, the collision risk level is upgraded, and the emergency strategy corresponding to the upgraded collision risk level is executed. The corresponding emergency strategy can be executed according to the collision risk level, the driver and the collision risk condition are monitored after the emergency strategy is executed so as to determine whether the collision risk level is upgraded or not, the emergency strategy corresponding to the upgraded collision risk level is executed, targeted emergency strategy-monitoring closed-loop control over the collision risk is achieved, and the safety of the driver is improved. The occurrence probability of the collision risk can be greatly reduced, the diversity of emergency strategies is realized, and the user experience is improved.

The present invention relates to the technical field of wheel braking system control, and specifically relates to an automatic parking control method, and an electronic device and a vehicle. The automatic parking control method provided in the present invention comprises: under flat-road conditions, on the basis of the braking style of a driver, automatically adjusting a braking pressure baseline threshold; and under slope conditions, modifying the braking pressure baseline threshold. In the present invention, a congestion level recognition module is designed, and during creeping and tailgating under congestion conditions, an AVH trigger policy is automatically adjusted on the basis of real-time congestion situations, thereby further reducing the frequency of false triggers of AVH. In the present invention, the frequency of consecutive triggers and the trigger duration of AVH are monitored in combination with a designed thermal protection policy, thereby achieving failover to EPB parking.

The invention discloses a screen control integrated clearance lamp integrated industrial vehicle intelligent safety early warning system and method, and relates to the field of industrial vehicle safety early warning. The three-dimensional dynamic light field outline marker module adopts a metamaterial and a DMD (Digital Micromirror Device) to construct a dynamic light field and generate a virtual-real fusion guide line; the multi-modal perception fusion module integrates a radar and a camera, and constructs a space-time association graph model; the edge calculation decision module constructs a neuromorphic calculation unit, and adopts SNN to process time sequence data; the screen control integrated interaction module develops a light field tactile feedback display screen and generates a three-dimensional interaction interface through holographic projection; the holographic sound field positioning module deploys a metamaterial and designs a sound wave phase conjugate mirror; and the vehicle-road cooperative communication module adopts an OAM multiplexing technology to realize a 5G-V2X communication distributed edge cache network. The visual distance is optimized in rainy and foggy weather, the night detection effect is guaranteed, power consumption and response delay are controlled, operation errors are reduced, spectrum efficiency is optimized, and operation safety and economical efficiency of industrial vehicles are enhanced.

The present disclosure relates to a method for determining a tractor longitudinal force threshold(FLTRret,threshold)for a tractor longitudinal retardation force(FLTRret)that can be imparted on a tractor of a vehicle combination including the tractor and a trailer for retarding the vehicle combination. The trailer has a trailer longitudinal extension in a trailer longitudinal direction (LTL), a trailer lateral extension in a trailer lateral direction (TTL) and a trailer vertical extension in a trailer vertical direction (VTL), and the tractor has a tractor longitudinal extension in a tractor longitudinal direction (LTR), a tractor lateral extension in a tractor lateral direction (TTR) and a tractor vertical extension in a tractor vertical direction (VTR ), wherein the tractor longitudinal retardation force(FLTRret)extends in a direction parallel to a tractor longitudinal direction (TTR).

The invention discloses a vehicle collision detection method and system, a storage medium and a controller, an elastic wave sensor and a distance measuring sensor are arranged on a vehicle, and the method comprises the steps that elastic wave signals and distance measuring signals captured by the elastic wave sensor and the distance measuring sensor respectively are received; according to the signal intensity of the elastic wave signal, a sensor signal adopted for obtaining a vehicle collision detection result is determined, and the vehicle collision detection result is determined through the corresponding sensor signal; the sensor signal is selected from the elastic wave signal and the ranging signal.

An electropneumatic ABS brake system is for a utility vehicle. The brake system has: a foot brake valve operable via a brake pedal and including pneumatic output channels, axle service brake circuits connected to the output channels and each having an axle valve unit and ABS valves for actuating wheel service brakes, a control unit for actuating the ABS valves and the axle valve units, and a first pressure sensor connected to one of the two pneumatic output channels and configured to measure the pneumatic control pressure output by the foot brake valve and to output a first pressure signal to the control unit. A second pressure sensor is provided separately from the first sensor and is configured to output a second pressure signal to the control unit, which receives the two pressure signals and actuates the ABS valves and / or the axle valve units as a function of the signals.

In an aspect, a computer system (14) comprising processing circuitry (11) is provided. The processing circuitry (11) is configured to acquire (S101) data relating to the surrounding environment, detect (S102), when in a manual driving mode, a driver of the vehicle (10) releasing an accelerator (18) of the vehicle (10), and to apply (S103) braking force of a brake (19) of the vehicle (10) in response to the driver releasing the accelerator (18), wherein the braking force being applied is determined based on the acquired surrounding environment data.

A trailer control box may receive a wireless message from a controller of the tractor. The trailer control box may validate and authenticating the message. The trailer control box may control an emergency-brake valve based on the message when the message is an emergency-brake command. The trailer control box may control a service-brake valve based on the message when the message is a service-brake command. The trailer control box may control at least one switch to operate trailer lights based on the message when the message is a light command. In certain embodiments, autonomous-capable socket is mounted to a trailer and includes: a chamfered outer casing, a plurality of electrical connectors, a service-brake air aperture, and an emergency-brake air aperture. The autonomous-capable socket required a single autonomous connection by an autonomous tractor.

An electronic park brake system includes a first electronic control unit configured to receive and compare at least first and second speed inputs and provide a quality indicator signal indicating a quality of a vehicle speed signal being delivered to an electronic brake control unit. The electronic park brake control unit is configured to receive the quality indicator signal and the vehicle speed signal, determine a motion state of the vehicle and maintain a full operational state of an electronic park brake if the quality indicator signal is a high quality signal, and limit the operational state of the electronic park brake if the quality indicator signal is a medium quality signal or a low quality signal.Methods of using the system are also provided.

A towed vehicle controller combines a trailer brake controller and lighting driver. The towed vehicle controller can include a trailer battery charging circuit. The towed vehicle controller operates towed vehicle braking, towed vehicle lighting and towed vehicle battery charge functions.

Provided are a control apparatus of a four-wheel independent control vehicle (10) and a method thereof. The control apparatus of a four-wheel independent control vehicle includes a plurality of wheels (21-24) each installed with a steering device (150), a driving device (160), and a braking device (170), and a processor (110) configured to, when a failure occurs in any one steering device of the plurality of wheels, determine a location of a failed wheel, calculate an insufficient cornering force of the failed wheel, and compensate for the insufficient cornering force by controlling at least one of the steering device, the driving device, and the braking device installed on each of the plurality of wheels. Even though a failure occurs in the steering device of any one wheel, traveling performance can be maintained by compensating for an insufficient cornering force.

A trailer ABS system is provided with an ABS valve in which pressure to the control chamber is switchable by a 2 / 2 solenoid valve, the solenoid valve being switchable between a first position in which the control chamber is pressurized by the control pressure and a second position, in which the control chamber is connected to the exhaust. The braking ECU is operable to actuate the solenoid between the first and second positions to thereby provide ABS functionality.

A method and system for providing maximum trailer braking during a high pressure demand, such as during autonomous emergency braking (AEB), for tractor-trailers is provided. The system can include a brake controller of the trailer that uses only tractor anti-lock brake system (ABS) data from the tractor wheels, without using any trailer ABS information, to estimate the surface friction and generate a high or low pressure command to be sent to the trailer based on only the tractor ABS data. The estimation of surface friction may be accomplished using the ABS information from the tractor and the pressure being demanded to determine a percent reduction of pressure requested by the tractor that may be compared to a threshold percentage to differentiate between high and low mu surfaces in real time.

An apparatus for forward collision avoidance of a host vehicle includes a first sensor configured to detect a front of a vehicle; a second sensor configured to a speed of the host vehicle; and a controller that is communicatively connected to the first sensor and the second sensor and is configured to generate a collision warning based on a braking distance of the host vehicle and a braking tendency of a driver of the host vehicle.

Techniques are described for determining a set of pose information for an object when multiple sets of pose information are determined for a same object from multiple images. An example driving operation method includes obtaining, by a computer located in a vehicle, at least two sets of pose information related to an object located on a road on which the vehicle is operating, where each set of pose information includes characteristic(s) about the object, and where each set of pose information is determined from an image obtained by a camera; determining at least two weighted output vectors; determining, for the object, a set of pose information that are based on a combined weighted output vector that is obtained by combining the at least two weighted output vectors; and causing the vehicle to perform a driving-related operation using the set of pose information for the object.

The invention discloses an intelligent vehicle obstacle sensing early warning method based on a millimeter wave radar, and belongs to the technical field of vehicle obstacle sensing, and the method comprises the steps: collecting and processing intelligent vehicle environment sensing multi-mode data, and determining intelligent vehicle environment sensing fusion data; analyzing the intelligent vehicle environment sensing fusion data, predicting an intelligent vehicle obstacle sensing risk, and determining an intelligent vehicle obstacle sensing risk prediction result; and according to the intelligent vehicle obstacle induction risk prediction result, corresponding risk early warning and management and control are carried out on intelligent vehicle obstacle induction, and the driving safety of the intelligent vehicle is ensured. According to the invention, the problems of poor obstacle sensing detection effect, incapability of effectively realizing collision early warning control and incapability of ensuring the driving safety of the intelligent vehicle due to incapability of realizing comprehensive environment sensing in the prior art are solved. According to the invention, comprehensive environment sensing can be realized, the obstacle sensing detection effect and precision are improved, collision early warning control can be effectively realized, and the driving safety of the intelligent vehicle can be ensured.

According to various embodiments, a method can be provided for implementation in a computer for controlling a vehicle. The method may include detecting the presence of at least one of a stop line and a traffic signal ahead of the vehicle based on data generated by the vehicle's sensors. The method may further include detecting the presence of a road intersection ahead of the vehicle based on digital map data. The method may further include generating a virtual stop line based on the non-detection of the presence of a stop line, in combination with the detection of the presence of at least one of a traffic signal and a road intersection. The method may further include generating a command to decelerate the vehicle based on the virtual stop line.

A trailer control box may receive a wireless message from a controller of the tractor. The trailer control box may validate and authenticating the message. The trailer control box may control an emergency-brake valve based on the message when the message is an emergency-brake command. The trailer control box may control a service-brake valve based on the message when the message is a service-brake command. The trailer control box may control at least one switch to operate trailer lights based on the message when the message is a light command. In certain embodiments, autonomous-capable socket is mounted to a trailer and includes: a chamfered outer casing, a plurality of electrical connectors, a service-brake air aperture, and an emergency-brake air aperture. The autonomous-capable socket required a single autonomous connection by an autonomous tractor.

The present invention relates to a bumper system (2) for an agricultural machine (1), comprising: - a plate (4) pivotally connected to a chassis of the machine (1), movable between an initial position and a contact position; - a bar (6) movable between an initial position and an activation position; the bumper system (2) being configured such that, in the event that the bar (6) comes into contact with an obstacle, the bar (6) moves from its initial position to its activation position, the bar (6) actuating a control element configured to command an emergency sequence of the agricultural machine (1), the bumper system (2) being further configured such that, in the event that the plate (4) comes into contact with the obstacle, the plate (4) pivots from its initial position to its contact position.

A method for deactivating a remote automatic parking mode of a vehicle in a parking garage. The vehicle being equipped with a tire monitoring system, including wheel units mounted in each wheel of the vehicle and each being provided with an accelerometer measuring a radial component of an acceleration of the wheel and being dependent on a terrestrial gravitational field. The vehicle being provided with an automatic parking mode remotely controlled by portable equipment carried by a user. The method includes, if the conditions for activating the measurements of the wheel units are verified: each wheel unit measuring acceleration values over time; comparing said values with a threshold value, for each wheel unit; if the acceleration values of at least two wheel units exceed said threshold value, then: detecting any movement of said vehicle in a parking garage; and deactivating the remote automatic parking mode.

A system for braking a work vehicle includes a brake assembly comprising a primary braking cylinder and a spring-applied, hydraulic-release (SAHR) braking cylinder operatively coupled to the primary braking cylinder. The primary braking cylinder includes a braking piston configured to actuate a brake element to engage and disengage the brake assembly. The system also includes a manual brake input device configured to actuate the braking piston when the work vehicle is operated in a manual mode, and a control valve configured to regulate a supply of pressurized hydraulic fluid to the SAHR braking cylinder. In addition, the system includes a computing system configured to control an operation of the control valve to regulate the supply of pressurized hydraulic fluid to the SAHR braking cylinder such that the SAHR braking cylinder actuates the braking piston when the work

A trailer control valve for controlling a hydraulic dual-line brake system of a trailer vehicle has an inlet for a hydraulic supply line of the towing vehicle, a tank outlet for an unpressurized return-flow line of the towing vehicle, a brake pressure outlet, and a supplemental pressure outlet. The brake pressure outlet can be connected in a stepped manner with an electronically controlled brake control valve to the supply pressure inlet or to the tank outlet. The supplemental pressure outlet can connect using a valve arrangement so that an outlet pressure of the supply pressure is reduced to a supplemental pressure at the supply pressure inlet or at the tank outlet. The valve arrangement has a pressure-limiting valve and a shut-off valve arranged in series. The shut-off valve can be a 3 / 2-way valve, which when not energized, the supplemental pressure outlet is connected to the tank outlet.

An automated braking control device includes: an acquisition unit to acquire traveling direction information representing a traveling direction of a vehicle, speed information related to the vehicle, and position information of an object based on a detection wave transmitted and received for detecting the object in the traveling direction; an area determination unit to determine an automated braking execution area on the basis of the traveling direction information and the speed information, the automated braking execution area being set in at least one of an inner area and an outer area with respect to a vehicle width line, the vehicle width line extending in the traveling direction in accordance with a vehicle width of the vehicle; and an automated braking processing unit to, when the object is detected, determine whether to execute automated braking on the basis of the position information with respect to the automated braking execution area.

A method is disclosed for controlling motion of a heavy-duty vehicle. Information is obtained related to an upcoming vehicle path and vehicle maneuver along the path; and related to a road friction coefficient along the path. Lateral and longitudinal wheel slip limits are configured for at least two wheels of an axle or lumped group-axle on the vehicle. The lateral and longitudinal wheel slip values are related to respective lateral and longitudinal tyre force values via a pre-determined combined tyre slip model. A vehicle motion profile is determined for performing the vehicle maneuver as a solution to a non-linear optimal control problem (NOCP). The NOCP is constrained by the lateral and longitudinal wheel slip limits and formulated to account for the road friction coefficient and / or curvature along the upcoming vehicle path. Motion of the vehicle is controlled along the path based on the determined target vehicle motion profile.

A brake control system for a vehicle includes electropneumatic modules that control fluid pressure to brake actuators for wheel brakes to apply and release service and parking brakes. A parking brake controller (i) determines whether the parking brake is in an applied state or a released state, (ii) whether a speed of the vehicle meets a predetermined condition relative to a predetermined speed and (iii) whether a command to move the service brake to an applied state has been issued by a service brake controller. When conditions (i), (ii) and (iii) are present, the controller identifies an absence of communication on a communications bus indicative of a failure in the service brake controller and / or the communications bus and thereafter generates a control signal configured to cause to move the parking brake from the released state to an applied state.

The invention discloses a system for preventing mistakenly stepping on an accelerator during braking, and relates to the technical field of automobile power devices. According to the system, a lower pedal is installed on an accelerator brake pedal, an upper pedal made of conductive materials is treaded, the upper pedal pushes the lower pedal through a compression spring, the lower pedal pushes an accelerator pedal to accelerate an accelerator, an electric conduction piece is arranged on the lower pedal, and a first preset compression distance is reserved between the electric conduction piece and the upper pedal; and the electric conduction piece is connected with a brake device through a circuit. Through reasonable design of materials of the upper pedal and the lower pedal, spring performance, a preset compression distance I, an abdicating space and the like, the critical original value F of an original standard value when the spring is compressed to the upper pedal to be in contact with an electric conduction piece is controlled to be larger than the force of treading the accelerator pedal to the bottom, and when the force is reasonably applied in normal driving, the upper pedal does not contact with the electric conduction piece, and a circuit is disconnected; when a driver mistakenly steps on the accelerator during panic braking, the upper pedal is in contact with the electric conduction piece to close the circuit, the vehicle starts braking, the problem of mistakenly stepping on the accelerator during braking is solved, and collision accidents are avoided.

A work machine system includes: a machine main body to which a work implement is attached; a travel unit that causes the machine main body to travel; an inclination sensor that senses a degree of inclination of the machine main body; an operator presence sensor that senses presence of an operator; a parking brake that brakes the travel unit; an operation device that receives an operation of activating the parking brake; and a controller that performs, when the operation device does not receive the operation, control to prevent the parking brake from being forgotten to be applied, on conditions that the presence of the operator is not sensed and the machine main body is inclined.