263 results about "Automatic braking" patented technology

The embodiment of the invention provides a vehicle automatic driving method and system, electronic equipment and a storage medium, and belongs to the technical field of vehicle automatic driving. According to the method, electroencephalogram signals of a driver are collected, a braking decision of the driver is recognized in real time according to the electroencephalogram signals, then path planning is conducted on a current driving road section to obtain an optimal driving path, and speed dynamic planning is automatically conducted on the optimal driving path through a speed optimization algorithm to obtain a rough solution speed curve; and then speed quadratic programming is carried out on the rough solution speed curve in combination with a driver braking decision and a machine braking decision to obtain an optimal speed curve, an optimal driving track is determined according to the optimal driving path and the optimal speed curve, and the vehicle is controlled by taking the optimal driving track as a target. On the basis of automatic dynamic speed planning of the vehicle decision planning system, the braking intention of the driver is recognized in combination with the electroencephalogram signals to carry out speed quadratic planning, corner scenes can be sensed in time, automatic braking can be carried out, and the automatic driving safety of the vehicle is improved.

An automatic brake control system of a passive electric control brake valve comprises an upper computer, a power distribution power device, the passive electric control brake valve, a speed sensor and a main machine wheel, the power distribution power device is connected with the upper computer, the power distribution power device receives a power-on instruction of the upper computer and then powers on the control system, the passive electric control brake valve is connected with the upper computer, and the speed sensor is connected with the main machine wheel. The upper computer collects the brake pressure of the passive electric control brake valve, controls the passive electric control brake valve to brake and conducts closed-loop control over the brake pressure, and the passive electric control brake valve is connected with a brake device of the main engine wheel through a hydraulic pipeline. The passive electric control brake valve outputs hydraulic pressure to the main engine wheel to provide brake pressure for braking and feed back the brake pressure to the upper computer, a speed sensor is arranged at the main engine wheel to detect the rotating speed of the main engine wheel, and the speed sensor is connected with the upper computer and transmits the rotating speed of the main engine wheel to the upper computer. Automatic braking and deviation rectifying braking functions of the unmanned aerial vehicle can be achieved, and the landing braking efficiency and safety of the unmanned aerial vehicle are improved.

Provided is a smart stroller including a stroller, master control module and power control module. The stroller includes a chassis support, a front wheel support which two front wheels are disposed at, a rear wheel support which two rear wheels are disposed at, a seat, handle, guardrail and canopy. The master control module is disposed on a base of the handle of the stroller. The master control module includes a controller, brake controller, first wireless communication device, and global positioning system. The power control module is disposed at the bottom of the rear wheel support and includes a second wireless communication module, power source module, foot brake component, drive motor, deceleration mechanism, and drive controller. The smart stroller is applicable to a global positioning system and an anti-theft system and capable of performing video surveillance, automatic braking, music playing and storytelling to ensure user safety and captivating user experience.

The disclosure relates to a retractable leash device for uncoiling and coiling an animal leash. The retractable leash device including a housing, a spool body and a return spring which pushes the spool body back into a coiling position or holds it there. A braking device is provided, which has a brake element designed to brake the spool body. The brake element is movable against the force of a return element from a rest position, in which the spool body can rotate freely, into a braking position, in which the brake element brakes rotation of the spool body. A remaining length detection device designed to determine a predetermined remaining length of the animal leash is provided, and an automatic braking device coupled to the remaining length detection device is provided, which, when the predetermined remaining length of the animal leash is reached, urges the braking element in the direction of an automatic braking position and brakes the coil body with an automatic braking force.

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.

From a set of point data, a set of scattered rays is constructed. From the set of scattered rays, a set of ray slopes is computed. The set of ray slopes is mapped to a corresponding set of trigonometric functions. Using an optimization method, a parameter of the set of trigonometric functions is selected. Using an inverse of the set trigonometric functions, a vehicle mass corresponding to the set of point data is computed. Based on the vehicle mass, a threshold braking distance of a collision avoidance system of the vehicle is adjusted, the threshold braking distance comprising a distance from an object predicted to collide with the vehicle. By braking the vehicle at least the threshold braking distance from the object, a predicted collision between the vehicle and the object is avoided.

The invention relates to the technical field of suspension control, and provides an automobile air suspension automatic control method and system based on multi-modal data recognition, the method is applied to an air suspension, and the method comprises the steps that at the first moment, first data collected by a multi-modal collector of a vehicle is obtained; wherein the first data is target road condition information determined by a multi-mode collector on the next driving road condition of the current vehicle; and according to the first data, a suspension scene at a second moment after the first moment and braking parameters corresponding to the suspension scene are determined. The method is used for automatically recognizing an automatic control scene of the air suspension, automatic braking operation is achieved under the automatic control scene, and a vehicle body is kept stable.

A method for automated vehicle driving control in a platoon includes obtaining first operational parameters of a first vehicle, including at least a first measured braking performance of the first vehicle, obtaining second operational parameters of a second vehicle, including at least a first measured braking performance of the second vehicle, determining a platoon sequence according to the operational parameters by assigning whichever of the first vehicle and the second vehicle that has a lesser measured braking performance as a lead vehicle in the platoon sequence, and assigning the other of the first vehicle and the second vehicle as a follower vehicle in the platoon sequence, initiating a platoon sequence driving route, and controlling automated driving of the follower vehicle according to tracking of the lead vehicle, wherein the automated driving includes automated steering control, automated acceleration and automated braking based on tracked movement of the lead vehicle.

The present invention provides an automated braking control device comprising: an acquisition unit that acquires travel direction information indicating the direction of travel of a vehicle, speed information on the vehicle, and location information based on a detection wave transmitted and received to detect an object in the direction of the travel; an area determination unit that determines, on the basis of the travel direction information and the speed information, an automated braking execution area to be set in at least one of an inside area and an outside area defined with respect to vehicle width lines extending in the travel direction in correspondence with the width of the vehicle; and an automated braking processing unit that determines whether or not to execute the automated braking in a case where an object is detected, the determination being made on the basis of location information relative to the automated braking execution area.

The utility model discloses a luggage draw bar with one-way limiting and automatic braking functions, belongs to the technical field of luggage draw bars, and solves the problems that the existing device brakes rollers only through a limiting arc plate, the braking effect is poorer, a luggage needs to be held by hands to prevent the luggage from toppling over, and the use is more troublesome. Rolling wheels are fixedly installed at the four corners of the bottom face of the box body, a pull rod and a limiting assembly used for limiting the pull rod are arranged on the side wall of the box body, a braking assembly is arranged at the bottom of the pull rod, the pull rod is pushed downwards to make an anti-skid pad make contact with the ground, the box body can be limited, and in the process, the anti-skid pad makes contact with the ground; the transverse rods can push the top plate and the limiting rods, the vertical plates and the arc-shaped plates below the top plate downwards till the arc-shaped plates make contact with the arc surfaces of the rollers, then the rollers can be braked, the box body can be prevented from toppling over by stepping on the top surfaces of the braking plates with feet, the box body is limited through the anti-skid pads and the arc-shaped plates at the same time, and the braking effect is better.

Braking of a vehicle at low speed comprises: dynamically determining, while a vehicle is controlled by a driver, a deceleration limit for the vehicle with regard to an obstacle, the deceleration limit determined based on at least (i) the low speed, (ii) a distance to the obstacle, and (iii) a determined jerk limit for the vehicle; after dynamically determining the deceleration limit, determining regions to include in a braking profile for the vehicle; when the regions determined do not include a constant deceleration region, again determining the deceleration limit, wherein the deceleration limit is not again determined when the regions determined do include the constant deceleration region; determining whether to brake the vehicle, the determination based on at least the low speed, the deceleration limit, and the distance to the obstacle; and in response to a determination to brake the vehicle, braking the vehicle according to the braking profile.

The application provides a vehicle braking method and device, electronic equipment and readable storage medium, which are applied to a target vehicle. The vehicle braking method comprises the following steps: if it is detected that a preset braking device of the target vehicle is in an activated state, the distance between the target vehicle and an obstacle is detected to obtain a first interval distance; if the first interval distance is within a preset first distance limit value, the target vehicle is controlled to send a braking warning signal, wherein the preset first distance limit value is used to ensure the driving safety of the vehicle when a user manually brakes; if the first interval distance is within a preset second distance limit value, the target vehicle is controlled to automatically brake, wherein the preset second distance limit value is used to ensure the driving safety of the vehicle when the vehicle automatically brakes; and the preset first distance limit value is greater than the preset second distance limit value. The application solves the technical problem of low driving safety.

A vehicle control apparatus is configured to: obtain, based on a predetermined lateral acceleration for a trajectory calculation, a steering start time threshold which is a time which it takes for a host vehicle to collide with an object at a time point at which a driver of the host vehicle has to start steering the host vehicle in order to avoid a collision between the host vehicle and the object; and start an automatic braking, when an obtained predicted time to collision becomes shorter than or equal to either one of the steering start time threshold and an automatic braking start time threshold, whichever is shorter. The automatic braking start time threshold is a time which it takes for the host vehicle to collide with the object at a time point at which the automatic braking has to be started in order to avoid the collision between the host vehicle and the object.

The invention provides a driving assistance method and system for a vehicle and the vehicle, and the driving assistance method comprises the steps: collecting the voice features of a driver when a first vehicle runs, and judging whether the voice features are matched with a preset voice database or not; if yes, acquiring first vehicle environment information of a vehicle-mounted sensor, calculating a driving state parameter based on the first vehicle environment information, and judging whether the first vehicle is in a dangerous driving environment or not according to the driving state parameter; if yes, the braking opportunity and the braking force of the first vehicle are calculated according to the driving state parameters, and a braking system of the first vehicle is controlled to execute active braking according to the braking opportunity and the braking force. The technical problems that an existing driving assistance system depends on sensor data to achieve automatic braking, but in an emergency, voice response often reflects danger faster than sensor data or a manual starting system, but in the prior art, a voice starting system cannot be combined in time, intervention lags, and potential safety hazards exist are solved.

The present invention discloses a reciprocating disaster life-saving device including a mounting hanger (1) attached at a high place and a steel rope winding / reeling winch (2) below the mounting hanger, and two escape gondolas for up-down and down-climbing escape are connected below the steel rope winding / reeling winch via a steel rope (3), the steel rope winding / reeling winch is provided with a floor height positioning device (21), a centrifugal friction reduction device (23) is coaxially provided inside the steel rope winding / reeling winch, an automatic human body weight braking system (41) is provided inside the escape gondola, and the steel rope inside the escape gondola is equipped with the automatic human body weight braking system. In this invention, two escape gondolas move up and down alternately to realize reciprocating self-rescue and mutual rescue escape, different floor heights are positioned by a floor height positioning device, deceleration is controlled by a triple labor-saving mechanism of a centrifugal friction deceleration device and a human body weight automatic braking system, and the human body weight automatic braking system is braked in an emergency by the weight of the escaping person himself to form a self-lock, ensuring the life safety of the escaping person at the same time as the emergency escape.

The invention relates to a motor train unit automatic brake pressure data acquisition system and a debugging method. The system comprises a motor train unit test vehicle, a brake pressure data acquisition device, a control and data acquisition mobile terminal and an automatic six-axis manipulator which are connected in sequence. According to the motor train unit automatic brake pressure data acquisition system and the debugging method, the original mode and method of the motor train unit brake pressure data acquisition test process are changed, the test is independently completed by one tester, the test process is improved and optimized, and the effects of reducing staff and improving efficiency are achieved. According to the motor train unit automatic brake pressure data acquisition system and the debugging method, the structure is simple, all test standard requirements and safety requirements are met, and the motor train unit automatic brake pressure data acquisition system has the advantages of being low in equipment failure rate, easy to maintain, very low in maintenance cost and the like.

Obstacles in a brake activation area can be detected by an ultrasonic sensor provided in the rear of a vehicle, and brakes can be activated automatically. However, it has been found that when the vehicle moves backward at a high speed, even if an obstacle is located in the brake activation area, the obstacle could be detected at a position shifted to the side.　In this automatic brake control device, the location of an obstacle while a vehicle is moving backward is detected by an ultrasonic sensor installed in the rear section of the vehicle and automatic brakes are activated, a brake activation area is set at planar coordinates corresponding to the detection location of the ultrasonic sensor, and the brake activation area includes a low-speed activation area set when the vehicle is moving backward at a low speed with respect to a set vehicle speed, and a high-speed activation area set when the vehicle is moving backward at a high speed with respect to the set vehicle speed.　

A collision prediction device includes: an object position detection unit detecting a current position of an object; a movement path prediction unit predicting a movement path of an own vehicle; and a collision judgment unit executing a collision judgment as to whether there is a probability of collision between the own vehicle and the object. The collision judgment unit executes: (a) processing to permit actuation of an automatic braking depending on the collision judgment if an accelerator judgment condition including that a manipulation amount of an accelerator pedal of the own vehicle or a change rate of the manipulation amount is equal to or greater than a threshold is satisfied, and the object is present in the movement path; and (b) processing to prohibit the actuation of the automatic braking if the accelerator judgment condition is satisfied, but the object is not present in the movement path.

A method for preventing or mitigating rear-end collisions of a motor vehicle and potential multiple vehicle collisions includes locating, by a sensor system of the motor vehicle, an obstructing vehicle in the front of the motor vehicle located on a trajectory of the motor vehicle, the obstructing vehicle being characterized by a speed below a predetermined first speed threshold, equal to zero; braking the motor vehicle, by an automatic braking system of the motor vehicle, to stop at a predetermined safety distance from the obstructing vehicle; monitoring, by the sensor system, the rear of the motor vehicle for a trailing vehicle approaching the motor vehicle from behind, wherein the sensor system is configured to detect driving information of the trailing vehicle; and performing safety measures by a control system of the motor vehicle in case a rear-end collision is anticipated based on the detected driving characteristics of the trailing vehicle.

The application provides a JZ-7 remote control braking system, which comprises a total air pipe, a first passage, a second passage and a third passage, a relay valve, an equalizing air cylinder, a first high-speed electric air valve, an overcharge air cylinder, a control device, a CCU and a remote network control unit, the total air pipe is connected with the overcharge pipe of the relay valve after being communicated with the first passage, and the gas outlet of the first passage is also communicated with the exhaust port of the overcharge air cylinder; the total air pipe is connected with the equalizing pipe of the relay valve after being communicated with the second passage, and the gas outlet of the second passage is also communicated with the first high-speed electric air valve and the equalizing air cylinder respectively; the total air pipe is connected with the cut-off pipe of the relay valve after being communicated with the third passage, and the train pipe of the relay valve is also connected with an electric air release valve. The application can realize remote networking operation of the braking system, and the locomotive can implement braking and relieving functions without operating the automatic brake valve.

The utility model discloses an upper-row door hanging device with a safety cock mechanism. The upper-row door hanging device comprises a door plate and an anti-falling mechanism. The brake rod is rotationally connected with the rotating rod, the baffle is fixed to the upper end of the brake rod, one end of the baffle abuts against the surface of the door plate transmission chain, the elastic piece is used for driving the brake rod to rotate around the rotating rod, a rack is fixed in the sliding rail, a brake block is fixed to the lower end of the brake rod, and the brake block is fixed to the lower end of the brake rod. The rack and the brake block are correspondingly arranged; after the chain is broken, the broken chain loses the constraining force on the baffle, the brake rod rotates around the rotating rod, the brake block at the lower end of the rotated brake rod is connected with the rack in a clamped mode, and automatic braking of the door plate is achieved. The device is simple in structure, large in braking force, high in response speed and capable of effectively preventing the door plate from falling after the chain is broken, the falling door plate is stopped, and use safety is improved.

To reduce a frequency of unnecessary automatic braking.SOLUTION: A vehicle driving support device comprises: a target detection section for repetitively acquiring a detection point which expresses a position of a target in the periphery of an own vehicle; a target recognition section for repetitively updating peripheral target information which includes a target position recognition point for finally identifying the position of the target based on a detection point acquired by the target detection section at the past point of time and a detection point detected by the target detection section at the present point of time; and a vehicle control section for actuating automatic braking in order to avoid a collision when it is determined that a predetermined automatic braking condition is established, which is established when there is a higher possibility for the own vehicle to collide with the target, based on the peripheral target information. The vehicle control section does not perform automatic braking when the target detection section does not acquire the detection point at the present point of time, which expresses the position of the target by which the automatic braking condition is established.SELECTED DRAWING: Figure 1

A tackle with an automatic braking function is characterized in that the tackle can move along a track and comprises a resistance generating structure and a mounting rack, the resistance generating structure comprises a magnetic field generating structure and a braking part, one of the magnetic field generating structure and the braking part is connected to the tackle through the mounting rack, and the other one of the magnetic field generating structure and the braking part is connected to the track; the pulley is further connected with a reset assembly, the reset assembly comprises a reset handle, and the reset handle can drive the mounting rack to rotate; by means of the resistance generating structure, the tackle can be automatically decelerated or braked at the specific position of the track, and the safety of the tackle in the using process is improved; through the cooperation of the magnetic field generation structure and the brake component, the acting force with the direction opposite to the movement direction is generated in a magnetic induction line cutting mode, and therefore the effects of decelerating and braking the tackle are achieved. And in the deceleration and braking process, the magnetic field generation structure does not make contact with the braking piece, friction loss is avoided, and the service life of the resistance generation structure is prolonged.

A work machine and a control method for the work machine are provided, in which automatic braking control is stably performed. [Solution] A wheel loader (100) performs automatic braking control, automatically braking the travel of the wheel loader (100) depending on the distance to an obstacle. Brake circuits (42a, 42b) brake the travel of the wheel loader (100). An EPC valve (46) opens and closes a hydraulic circuit that supplies hydraulic oil to the brake circuits (42a, 42b) during automatic braking control. A pressure sensor detects the pressure in the hydraulic circuit. If a controller (26) determines that there is an abnormality in the EPC valve (46) or the pressure sensor (25b), it disables control of the brake circuits (42a, 42b) during automatic braking control.

A method for an automatic braking function for a motor vehicle, comprising: acquiring object information based on sensor data and relating to object candidates in an environment of the motor vehicle; determining, based on the object information, a critical object and a braking decision associated with the critical object; outputting the braking decision to execute the braking function; validating the braking decision based on the object information, a temporal evolution of the object information and the critical object; and outputting a control signal dependent on the validation to conditionally influence the execution of the braking function.

The utility model discloses an intelligent safety control system of an electric loader, and belongs to the technical field of safety management of electric loaders. Comprising a radar and a camera which are used for collecting vehicle environment information, and the radar and the camera are in communication connection with a VCU; the double-loop brake device comprises a brake pedal air brake valve loop and an electric proportional air brake electromagnetic valve loop, the brake pedal air brake valve loop is used for a driver to control braking, and the electric proportional air brake electromagnetic valve loop is used for controlling braking of the electric proportional air brake electromagnetic valve loop. The electric proportional pneumatic brake electromagnetic valve loop communicates with the electric driving device and is used for executing automatic braking, and the alarm device and the electric driving device are in communication connection with the VCU. The radar and the camera are arranged at the same time, information near the vehicle can be fully collected, the VCU can control the electric driving device to conduct active braking operation on the double-loop braking device according to data collected by the radar and the camera, and the safety of the loader vehicle in the working process can be effectively improved.

Vehicle control device with an information retrieval device (24, 26) which obtains peripheral information containing information about objects located around a vehicle and a lane of its own on which the vehicle is currently traveling, a brake actuator (54) adapted to be capable of applying braking force to the vehicle, a steering actuator (66) adapted to be capable of changing a steering angle of the vehicle, and a control unit (20, 40, 50, 60) which controls the brake actuator and the steering actuator, where the control unit is set up to Obtaining a collision index value indicating a probability that the vehicle and the objects located in a travel range of the vehicle may collide with each other based on the peripheral information (step 415), and obtaining an overlap rate indicating a degree of overlap in a vehicle width direction between the vehicle and an obstacle that is the object with the smallest collision index value based on the peripheral information (step 420 and step 425), Performing an automatic brake control in which the brake actuator is controlled to apply the braking force to the vehicle (step 445 "Yes") when an execution condition, which is satisfied when the collision index value for the obstacle and a collision avoidance threshold satisfy a predetermined condition, is satisfied (step 440 "Yes"), in a case where the overlap rate is greater than or equal to a predetermined threshold overlap rate (step 430 "Yes"), Performing an automatic steering control in which the steering angle is changed by the steering actuator such that the vehicle travels to the avoidance area (step 470) when the execution condition is satisfied (step 465 "Yes"), in a case where the overlap rate is smaller than the predetermined threshold overlap rate (step 430 "No") and further an avoidance area exists in which the vehicle can avoid a collision with the obstacle without traveling out of its own lane, and a passage of the vehicle is not blocked by a passage-barrier object that is an object other than the obstacle (step 455 "Yes"), and Performing the automatic braking control (step 720) when at least one specific condition including a condition that the execution condition is satisfied is satisfied (step 485, step 705 "Yes"), when the passage barrier object exists (step 475 "Yes"), in a case where the overlap rate is smaller than the threshold overlap rate (step 430 "No") and further the avoidance area does not exist (step 455 "No").

A work machine includes a vehicle body, an object detecting section, a state detecting section, and a control section. The vehicle body includes a traveling unit and a work implement disposed on the traveling unit. The object detecting section detects an object in a periphery of the vehicle body. The state detecting section detects at least one state of an inclination of the vehicle body, an articulation of the vehicle body and the work implement. The control section sets a deceleration using automatic braking when the object is detected, based on a relationship, with which the vehicle body is stoppable, between a stable range in a lateral direction and a center of gravity position. The relationship is obtained from detection information of the state detecting section.

The utility model belongs to the technical field of vehicle braking, and particularly relates to a brake-by-wire system and a wide-body mining dump truck, which comprise an air supply unit, a multi-loop protection valve, a braking execution unit, a pair of front axle braking air chambers, a plurality of pairs of middle and rear axle braking air chambers, a front axle braking loop, a front axle air cylinder, a single-channel EBS valve and a middle and rear axle braking loop, comprising a middle-rear axle air cylinder, a multi-channel EBS valve, a service brake valve and an electromagnetic relay valve. According to the utility model, the electromagnetic relay valve is arranged, the air inlet is communicated with the middle and rear axle air reservoir, the first air outlet is communicated with the control port of the single-channel EBS valve, and the second air outlet is communicated with the control port of the multi-channel EBS valve, so that an air braking safety system and an electronic braking safety system are combined, and an automatic braking auxiliary function is realized; the braking system can actively brake when encountering sudden dangerous situations or the distance between the braking system and a front vehicle and pedestrians is smaller than the safe distance, and therefore the performance and safety of the braking system are improved.

The motor one-way damper comprises a linkage wheel, a linkage block and a brake wheel, the linkage wheel is sleeved with the brake wheel, the linkage block can be movably arranged on the linkage wheel, the linkage block is provided with a linkage part, a pushing part and a brake part, the linkage part is used for being rotationally connected with a motor shaft of a motor, and the pushing part is used for pushing the brake part to move. The pushing part is used for pushing the linkage wheel to rotate along with the motor shaft, and the braking part is used for being matched with the braking wheel to achieve braking; when the motor shaft of the motor rotates forwards, the motor shaft is in linkage with the linkage part to drive the pushing part to push the linkage wheel to rotate along with the motor shaft, and at the moment, the brake part cannot be matched with the brake wheel; when the motor shaft of the motor rotates reversely, the motor shaft is in linkage with the linkage part to drive the brake part to move towards the brake wheel till the brake part is matched with the brake wheel to achieve braking, and the motor shaft stops rotating. The device realizes an automatic braking function when the motor rotates reversely, and is simple in structure, small in occupied space and convenient to integrate on the motor.