434 results about "Automatic braking" patented technology

The invention provides a rail-mounted man-riding device for a mine and a speed-limiting brake of the rail-mounted man-riding device, and belongs to the technical field of rail-mounted man-riding devices for mines. The speed-limiting brake comprises a rack, a first brake device, a walking wheel assembly, a centrifugal mechanism, a shifting rod mechanism and a compression mechanism, and the first brake device, the walking wheel assembly, the centrifugal mechanism and the shifting rod mechanism are arranged on the rack. The first braking device is installed on the machine frame and comprises a first elastic piece and braking parts connected with the two ends of the first elastic piece. And a swinging rod is arranged in a rotary drum device on the centrifugal mechanism and is connected with the central seat through an elastic piece. The shifting rod mechanism comprises a rotating shaft rotationally arranged on the rack, the two ends of the rotating shaft are fixedly connected with shifting parts respectively, and one shifting part is arranged below the centrifugal mechanism. When overspeed occurs, the throwing rod is thrown out and pushes the trigger part to rotate, so that the contact part is separated from the compression mechanism, and automatic braking is achieved. According to the passenger device, the mode that motor driving is matched with the speed limiting brake is adopted, so that the passenger device is compact in structure, convenient and fast to operate and high in safety.

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.

The invention relates to a motor train unit vehicle brake control system which comprises a brake control device, a working air cylinder, an auxiliary air cylinder, an air brake valve and an electric pneumatic control module, and the electric pneumatic control module comprises an electronic brake control unit, an electric pneumatic valve, a switching valve, an intercepting valve and a two-way valve and further comprises a pressure reducing valve and a relay valve. The system can be switched between electro-pneumatic braking and air braking, and pre-control pressure is transmitted to the relay valve through the two-way valve. Two braking control modes of automatic air braking and straight-through type electric pneumatic braking are integrated, electric pneumatic braking serves as a main braking mode, automatic braking is hot standby redundancy, the reliability of the braking effect is improved, and it is ensured that a motor train unit runs safely.

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.

Electric equipment for a vehicle with an electropneumatic service brake device, in which at least one pneumatic brake control pressure is immediately and directly controlled to the electromagnetic backup valve, which is still being closed by a current, of at least one pressure regulating module in response to an assistance brake request signal regardless of a defect of an electric service brake circuit. For a failure of the electric service brake circuit, the electromagnetic backup valve, which is then in the currentless state, of the at least one pressure regulating module is automatically opened, and the brake pressure is immediately formed in the pressure regulating module based on the at least one pneumatic brake control pressure already present in the pressure regulating module. Thus, the reaction time of a pneumatic redundancy of the electropneumatic service brake device in response to electric defects is reduced.

A dolly has a frame having a first end and a second end, a handle adjacent the first end, and a platform extending from the second end. A wheel adjacent the second end supports the frame and platform for rotational movement. A lever member having a first end is pivotally connected to the frame at the first end and the second free end. A position stabilizing member is pivotally connected to each side of the frame proximate the second end, with each shoe assembly pivoting to a support position extending below a respective wheel. The free end of the lever member is positioned against a surface, and movement of a shoe portion of each shoe assembly to the support position causes the frame to pivot thereabout. An automatic braking system prevents unwanted downward movement. The repositioned lever member and multiple commonly hinged lever members allow for complete stair climbing and elimination of the position stabilizing member.

The invention relates to an auxiliary driving method, device and equipment based on safety evaluation and a medium, and belongs to the field of intelligent auxiliary driving. The method comprises the steps that driving safety evaluation data are acquired through driving safety detection equipment, and a driving safety evaluation index is calculated; when the value of the driving safety evaluation index is 1, establishing a driving safety evaluation model according to the driving safety evaluation data and outputting driving risk information; and outputting an auxiliary driving scheme according to the driving risk information, wherein the auxiliary driving scheme comprises a warning prompt tone, automatic braking of the vehicle, ejection of a safety airbag and automatic driving of the vehicle taking over. The driving risk is comprehensively evaluated through the multi-stage model, the reasonable auxiliary driving scheme is output according to the risk level, risks possibly occurring in the driving process can be avoided, and the life and property safety of a driver is guaranteed.

A work machine with a frame, an engine, a drivetrain powered by the engine, a ground-engaging member connected to the drivetrain, an operator cabin supported by the frame, a work implement, and a braking system connected to the ground-engaging member. The braking system including a brake input device located in the operator cabin for providing an input from an operator, at least one braking sub-system associated with the drivetrain, and a controller having at least one advanced braking feature, the braking system applying an automatic braking force in response to the at least one advance braking feature, and applying an additional progressive braking force in response to the input from the operator.

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 utility model discloses a power clamping device of an automatic net sleeving machine core. The power clamping device comprises a supporting seat, a track mechanism, two power roller assemblies and an opening and closing mechanism. The rail mechanism is mounted on the supporting seat; the power roller assemblies can be arranged on the two opposite sides of the net sleeving machine core. Each power roller assembly comprises a sliding base, a power roller and a first motor. The opening and closing mechanism comprises a transmission belt, belt wheels arranged at the two ends of the transmission belt and a second motor capable of driving the belt wheels, the belt wheels are rotationally connected with the supporting base, the sliding base of one power roller assembly is connected with the upper side of the transmission belt, and the sliding base of the other power roller assembly is connected with the lower side of the transmission belt. And the second motor has torque feedback and automatic brake functions. According to the power clamping device for the automatic net sleeving machine core, after the clamping force of the power roller on the net sleeving machine core reaches a preset value, the motor stops and brakes automatically, and the clamping force of the power roller on the net sleeving machine core is prevented from being too large or too small.

The present invention belongs to the field of safe driving of intelligent vehicles, and discloses an automatic emergency obstacle avoidance control method (Consensus Behavior Migration Algorithm, CBMA) for unmanned vehicles, which includes the following steps: first, judging whether a collision can be avoided by braking in the lane; if it is judged that the self-vehicle and the front vehicle can avoid collision, automatic braking is adopted; if it is judged that the self-vehicle cannot avoid collision with the front vehicle after braking, the critical headway of the self-vehicle to the obstacle vehicle in front is adopted, and the front collision warning coefficient is calculated to make an obstacle avoidance strategy, and the self-vehicle and the surrounding vehicles are circularly clustered, and the consensus behavior migration algorithm is introduced to calculate the fitness function based on the planned safe obstacle avoidance trajectory point, and automatic emergency steering is performed to avoid obstacles. The CBMA algorithm solves the problem of mobile trajectory point planning for automatic emergency obstacle avoidance of unmanned vehicles, and reduces the risk of collision with the front vehicle.

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.

The utility model provides an automatic brake of a crane, which is mounted at a travelling wheel of the crane, the travelling wheel is driven by a motor, and the automatic brake comprises a stop dog hinged with a rack of the crane; a driving assembly and an elastic assembly which are opposite in driving direction are installed on the rack and drive the check block to rotate. During electrification, the driving assembly drives the stop block to be away from the walking wheel; when power is cut off, the elastic assembly drives the check block to press the traveling wheel through the elastic force of the elastic assembly, the speed of the traveling wheel is gradually reduced until the traveling wheel stops, and the elastic assembly stretches out and draws back repeatedly under the elastic force of the elastic assembly and the counter-acting force of the traveling wheel in the process. The brake has the advantages that due to the arrangement of the position of the check block, the structure of the brake is more compact, the size is reduced, and space is saved; 2, the travelling wheel is braked by the stop block under the condition of power failure, so that the situation that the travelling wheel cannot work due to power failure caused by severe weather in a working environment is avoided, and the stability is higher;

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).

Collision avoidance support control device with: a braking device configured to generate a braking force applied to a host vehicle in accordance with a driver's brake pedal actuation; an ambient area detection sensor configured to obtain information about an object located near the host vehicle; and a control unit configured to: Determine whether or not there is a probability of a collision between the host vehicle and an object, based on the information obtained by the ambient area detection sensor; Performing automatic brake control to cause the braking device to generate the braking force applied to the host vehicle without requiring the driver to operate the brake pedal in order to avoid a collision when determined to be likely; and Performing steering priority control to determine whether a steering actuation index value indicative of driver steering action satisfies a steering priority condition or not, and to prevent automatic braking control from being performed when it is determined that the steering actuation index value satisfies the steering priority condition, where the control unit is configured to: Determine whether an acceleration actuation index value, indicative of driver acceleration pedal actuation, satisfies a fault pedal actuation determination condition; and Determine that an erroneous pedal actuation has occurred when it is determined that the acceleration actuation index value satisfies the erroneous pedal actuation determination condition, wherein the erroneous pedal actuation is an actuation such that the driver mistakenly acts an accelerator pedal although the driver intends to actuate a brake pedal, characterized by the fact that the control unit is still configured to: Using a strict requirement as the steering priority condition when it is determined that incorrect pedal actuation has occurred, and using a weak requirement as the steering priority condition when it is not determined that incorrect pedal actuation has occurred, wherein the strict requirement is more difficult to satisfy by the steering actuation index value than the weak requirement. Using a first steering priority determination condition as the steering priority condition when the automatic brake control has not yet started, in a state where it is not determined that the erroneous pedal actuation has occurred, in order to perform the steering priority control; Using a second steering priority determination condition as the steering priority condition when automatic brake control is already started, in the state where it is not determined that the erroneous pedal actuation has occurred, in order to perform steering priority control; Inability to perform steering priority control when automatic brake control has not yet been initiated, in a state where erroneous pedal actuation is determined to have occurred; and Using the second steering priority determination condition as the steering priority condition when automatic brake control is already started, in a state where it is determined that the erroneous pedal actuation has occurred, in order to perform steering priority control.

The invention discloses a vehicle control method and device, a vehicle and a storage medium, and the vehicle control method comprises the steps: obtaining sensor data of the vehicle, the sensor data comprising one or combination of radar data and image data; determining a collision time of the vehicle based on the sensor data, the collision time being a predicted collision time between the vehicle and the forward target; if the collision time is lower than a preset time threshold value, an automatic braking strategy of the vehicle is determined, and the automatic braking strategy comprises a full-force braking strategy or a partial braking strategy; determining a steering system locking strategy of the vehicle based on the automatic braking strategy; and controlling a braking system of the vehicle to execute braking based on the automatic braking strategy, and controlling a steering system to lock or unlock based on the locking strategy. According to the technical scheme, after the vehicle triggers the automatic brake, a driver is prevented from operating the steering wheel by mistake, and then the risk of accidents is reduced.

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.

The invention relates to the technical field of motor braking, and discloses an automatic braking system for power failure of a linear motor. A braking mechanism is arranged between a secondary transplanting block and a linear rail; the braking mechanism comprises a base block and a sliding block, a magnetic attraction assembly is arranged between the base block and the sliding block, and a hydraulic band-type brake assembly used for braking is arranged on the sliding block; the hydraulic band-type brake assembly used for braking is driven by the magnetic attraction assembly to work, that is, after the linear motor is powered off, a coil is automatically powered on and magnetized, a magnetic attraction piece is attracted to the base block, then the magnetic attraction piece drives a piston to move through a connecting rod, a profiling push block is driven to stretch out through the hydraulic effect to tightly hold a linear rail, and therefore the braking function is achieved; under the action of external atmospheric pressure, the piston and the profiling push block are shrunk and reset again; the system is exquisite in structural design, high in response speed, low in space requirement and easy to install, the cost is greatly reduced, and the occupied space is reduced.

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.