320 results about "Automatic braking" patented technology

The invention provides an intelligent teaching system based on an AI robot coach, and relates to the field of intelligent teaching. Comprising a hardware equipment module, a software platform module, a safety control module, a hierarchical intervention module, a physiological monitoring module and a cognitive load regulation module, the hardware equipment module collects vehicle state, environment and student physiological data in real time through a multi-mode sensor; the software platform module generates a teaching strategy based on a deep reinforcement learning model and analyzes a student behavior mode; the safety control module triggers an automatic braking mechanism through the obstacle distance and the vehicle speed; the grading intervention module is divided into three-level intervention strategies of an L1 unit, an L2 unit and an L3 unit according to the operation error type, and voice prompt and braking intervention are dynamically adjusted; the physiological monitoring module non-inductively evaluates a tension index through micro-expression, grip strength and voice data; the cognitive load adjusting module dynamically adjusts the teaching content difficulty and the information density in combination with the steering frequency, the accelerator and brake alternating times and the tension index.

The invention discloses a vehicle automatic braking system parameter adjusting method and system based on artificial intelligence. The method comprises the following steps: S1, collecting real-time data of an AEB system in a vehicle driving process by using various sensors assembled on a vehicle, and transmitting the real-time data to a cloud platform; s2, the cloud platform firstly carries out time sequence and space alignment processing and processing on the collected data; s3, an appropriate algorithm is automatically selected through artificial intelligence, and various parameters of the AEB system are calculated and adjusted according to the processed data; and S4, after AEB parameter adjustment is completed, performing a multi-scene simulation test in a virtual environment, and evaluating the performance of the AEB system in different driving scenes. By introducing an AEB parameter adjustment method based on artificial intelligence, real-time dynamic adjustment of the AEB system is realized, manual intervention is reduced, continuous optimization is performed by using real-time data feedback, and the intelligence and adaptive ability of the system are improved, so that the performance and safety of the AEB system in different driving scenes are improved.

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.

Systems and methods are provided for braking a translator of a linear multiphase electromagnetic machine. The system detects a fault event. A polarity indicative of an electromotive force in determined in at least one phase of the linear multiphase electromagnetic machine caused by a motion of the translator. In response to detecting the fault event, the system causes, based on the polarity, a current to be applied to a respective phase of the at least one phase to cause a force acting on the translator that opposes an axial motion of the translator to cause the translator to brake. Braking includes causing the translator to reciprocate at a reduced velocity by opposing axial motion over one or more cycles. The system may use one or more of position information, current information, operating parameters, to brake, or may brake the translator independent of such information.

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.

A travel control device includes an automatic braking device that automatically brakes an own vehicle; and a driving support ECU configured to acquire information on one of a curvature and a curvature radius of a traveling road in front of the own vehicle, calculate a target vehicle speed of the own vehicle based on the information, and automatically decelerate the own vehicle by the automatic braking device so that the vehicle speed of the own vehicle becomes the target vehicle speed when the vehicle speed of the own vehicle exceeds the target vehicle speed, wherein the driving support ECU suppresses the execution of the automatic deceleration when it is estimated that the driver is going to overtake the preceding vehicle.

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.

A train and an electro-pneumatic blended braking control system thereof. The braking modes of the train comprise an autonomous braking mode and an independent braking mode, corresponding braking branches are selected by means of the output of a braking control unit, and different braking modes are applied. An autonomous braking branch comprises a first solenoid valve (7) acting on a first application valve (5) to cut off air braking when the first solenoid valve (7) is powered on, so as to realize the priority of electric braking. In an independent braking branch, the braking control unit acts on the first application valve (5) by means of an independent braking control branch (4).

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.

The invention discloses an automatic braking device for trailer rod falling, and relates to the technical field of vehicle braking control devices. The automatic braking device for the trailer falling rod comprises a braking handle, the braking handle is tensioned, an energy storage spring is in a compressed energy storage state, when a trailer traction rod is unhooked and falls, an inhaul cable can be pulled, a rotary shifting fork is driven to bounce and loosen the braking handle upwards, the energy storage spring releases elastic force, and a master cylinder shifting fork is pushed to rotate through a main pull rod; a master cylinder push rod is pressed to a brake master cylinder, brake hydraulic pressure generated by the brake master cylinder is output to a wheel brake of an axle through a pipeline, brake force is generated, the trailer is braked and stopped, automatic brake of the trailer is achieved when the trailer unhooks accidentally, and the trailer can be effectively prevented from colliding with people and facilities due to inertia loss control. Adjustment is carried out through preset spring pre-tightening force, and the requirement for braking force of a large-tonnage trailer is met.

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 vehicle tailgate device is disclosed, enhancing safety and functionality. It features a tailgate body with a sensor array and camera system, potentially housed in recessed areas. The sensor array includes radar and ultrasonic sensors, while the control unit has movement detectors to monitor the tailgate's opening and closing. When extended, the sensors emit radar waves. The camera system connects to an in-vehicle display for real-time feedback. The control unit interfaces with notification lights, sound speakers, and a warning display to alert the driver. Additionally, it can connect to an automatic braking mechanism to stop the vehicle if the driver does not respond promptly to warnings, thereby improving overall vehicular safety.

A vehicle driving assistance device includes: an object detection section that repeatedly obtains a detection point of an object; an object recognition section that repeatedly updates an object position detection point that finally specifies the position of the object based on the detection point obtained at a past time and a present time; and a vehicle control section that performs automatic braking when it is determined that an automatic braking condition is met. The vehicle control section is configured not to perform automatic braking if the object detection section does not obtain the detection point at the present time.

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 invention relates to a vehicle control system and method. The vehicle control system includes: a clutch temperature detection device configured to detect a temperature of a clutch; a road grade detection device configured to detect a grade of a road on which the vehicle travels; the control device is in communication connection with the clutch temperature detection device and the road gradient detection device and is configured to obtain the temperature of the clutch and the gradient of a road on which the vehicle travels; determining, based on the temperature of the clutch and the gradient of the road on which the vehicle travels, whether or not control after the clutch is overheated is required; when it is determined that the control after the clutch is overheated needs to be performed, determining whether a driver adopts a braking operation or not; and when it is determined that the driver does not take the braking operation, the vehicle enters an active braking control mode. According to the vehicle control system and method, in the vehicle climbing process, when the clutch is overheated and separated, the vehicle can enter the automatic braking control mode, and accidents are avoided.

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.

An automatic brake structure of a power supply trailer relates to the technical field of aircraft ground power supplies, when a traction rod is accidentally separated from a tractor in the process that the tractor pulls a trailer chassis to walk through the traction rod, the traction rod rotates downwards under the action of gravity, and at the moment, a bidirectional brake unit at the lower end of the traction rod makes contact with front wheels to generate friction force; and the chassis of the trailer can be timely braked. The whole power supply trailer can be automatically braked when the tractor is accidentally separated from the traction rod, the braking distance of the power supply trailer during automatic braking is greatly reduced, and the safety of the power supply trailer during traction is improved.

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 traveling control device includes a sensor for detecting a steering operation, an object information acquisition device for acquiring object information around a vehicle, an automatic braking device for automatically braking the vehicle, and a driving support ECU for controlling the automatic braking device, in which the driving support ECU activates the automatic braking device to perform automatic braking for automatically braking the vehicle in a case where it is determined based on the object information acquired by the object information acquisition device that there is a risk of off-road departure of the vehicle and also it is determined based on the steering operation detected by a sensor that a steering operation has been performed in a direction of the off-road departure of the vehicle.

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.