33 results about "Emergency brake assist" patented technology

The invention relates to the braking safety aspect of heavy tractor semi-trailers, and discloses an auxiliary emergency braking system applied to a heavy tractor semi-trailer. The auxiliary emergency braking system is connected with a semi-trailer air brake system; when the pedaling speed of stepping on a braking pedal by a driver is higher than a threshold value, the auxiliary emergency braking system is opened, a vacuum sucker is controlled through a pneumatic lifting device to ascend or descend, air in the vacuum sucker is pulled by a vacuum pump to reach the vacuum degree needed by the auxiliary emergency braking system to generate a braking force, so that the semi-trailer is assisted to be emergently braked, and besides, the vacuum degrees of a left device and a right device are controlled to be different in turning braking to realize the stable control of the semi-trailer.

The invention relates to the technical field of creels, and in particular relates to a creel of a full weft-insertion warp-knitting machine. The creel comprises a left cross beam, a right cross beam, front stand columns and back stand columns, wherein the left cross beam is connected with one front stand column and one back stand column in a supporting manner, the right cross beam is connected with the other front stand column and the other back stand column in a supporting manner, a front transverse stay tube is arranged between the front stand column, a transverse stay tube is arranged between the left cross beam and the right cross beam, warp beam middle supporting assemblies are arranged between the front transverse stay tube and the transverse stay tube, the left cross beam is provided with a warp beam seat assembly, the right cross beam is provided with an EBA (Emergency Brake-assist System) driving device, the position of the warp beam seat assembly corresponds to the position of the EBA driving device, the transverse stay tube is provided with a shock-absorbing device, and a support tube is arranged on the outer side of the left cross beam. The creel of the full weft-insertion warp-knitting machine is of a floor type structure and can be provided with two warp beams, and the driving device ensures that warp yarns on the warp beams can be exactly fed into looping assemblies; in addition, the creel of the full weft-insertion warp-knitting machine has a simple structure and good service effect, realizes high-speed, high-efficiency, high-quality and low-consumption production and brings economic benefits to corporations.

The invention belongs to the fields of automobile manufacturing and braking safety and aims at solving the technical problem of making an automobile stop within the shortest time and the shortest distance when the automobile meets insufficient braking distance under brake failure or emergency conditions. The technical scheme for solving the problem is that: pop-up drawing parachutes are respectively arranged at four sites of an automobile (taking a car for example), a driver can operate inside the car to enable the drawing parachutes at the four sites outside the car to pop up when the car meets very emergent conditions, at the moment, the four parachute bags swell up under the influence of air, meanwhile, huge backward thrust is generated, and the car can be stopped within the shortest time and the shortest distance as far as possible by combining a braking system, a safety belt system and an air bag restraint system of the car, therefore, the predicted damage and loss can be reduced to minimum, and the life safety of persons in the car and pedestrians are guaranteed furthest.

The invention provides a brake assist and retarder system for hybrid commercial vehicles. The system is mainly specific to the application scenarios of long-distance transport for large commercial vehicles (trucks or buses). According to the vehicle-mounted three-dimensional electronic map, the three-dimensional positioning data of the vehicle measured by the navigator, and data such as relative speed and absolute distance between the vehicle and the vehicle ahead in the same lane measured by the forward looking millimeter wave radar, the electrical power split device is commanded through the vehicle control unit to allocate the flow direction and amplitude of 100 kW-class electric power accurately, continuously and dynamically among the generator set, the power battery pack and the driving motor with response time scale of 10 ms, and meet the transient power balance of road load required by the vehicle dynamics equation in real time; achieve vehicle energy saving and emission reduction through predictive adaptive cruise control and fuel saving AI algorithms, educe drivers' labor intensity of long-distance driving, realize the functions of emergency brake assist and retarding when the vehicle is going down a long slope, and improve the vehicle driving safety.

The invention discloses an automatic emergency brake assisting system based on active suspension control. In the braking warning stage, by adopting the manner of lowering down a front suspension of anactive suspension to a greater degree and lowering down a rear suspension of the active suspension to a lesser extent, forward tilting action of a vehicle during the braking process is simulated, andthe impact of emergency braking on a driver can be reduced; an early warning manner of lowering down the front suspension to a greater degree and lowering down the rear suspension to a lesser extentcan maintain the forward tilting action of the vehicle and reduce the center of gravity of the vehicle; in the enhanced braking phase, an active suspension system is controlled by using an SMC slip film control algorithm and a PID algorithm, so that the vertical load of front and rear axles is always close to the ideal vertical load force calculated by an optimization algorithm to the maximum extent, the role of an ABS is maximized, ground adhesion is fully utilized, the vehicle can reach the maximum braking force and obtain the shortest braking distance during the emergency braking process, and the safety of drivers, passengers and vehicles can be guaranteed to the maximum extent.

The invention discloses a vacuum boosting method of an automotive brake with an emergency braking assisting function. Vacuum boosting is achieved by an automobile braking vacuum booster with an emergency braking assisting function. When a driver pedals a brake pedal at the speed above 800m/s, a slide valve hook generates deformation and is disconnected with a protrusion on a slide valve, and then the slide valve is free from constraint of the slide valve hook to move right so as to squeeze a rubber valve seat, so that a distance between the rubber valve seat and an air valve seat is increased rapidly, resistance to air of a rear cavity during flowing is reduced, flow of the air of the rear cavity is increased, further braking force is increased rapidly, and quick boosting during emergency braking is achieved. By the method, in the initial stage of emergency braking, braking force can be increased rapidly, and braking distance during emergency braking is shortened. Compared with an existing booster, the vacuum booster has the advantages of rapid response, simple structure, good reliability, high practicality, irrelevance of boosting amplitude and pedal travel and the like.

The present invention relates to a vehicle-mounted periphery recognition device, comprising: a front sensing part consisting of a front close range sensor installed on a vehicle wind shield for sensing barriers within a close range in front of a central part of the vehicle and in front of a left-right side of the vehicle and a front ultra close range sensor installed on a bumper in front of the vehicle for sensing barriers within an ultra close range in front of the vehicle; a rear sensing part comprising a rear ultra close range sensor used for sensing barriers within an ultra close range in rear of the vehicle; a first control part used for sensing a parking space according to a sensing signal input by the front sensing part and a sensing signal input by the rear sensing part; and a second control part used for sensing the parking space according to the sensing signal input by the front sensing part. Therefore, recognition functions of a smart parking assistance system and an emergency brake assist can be improved.

The invention relates to the field of road driving machinery, in particular to an emergency stop assistant device and an emergency stop method. The device comprises an air storage cylinder, a pneumatic brake valve, a pneumatic solenoid valve and an air booster pump, wherein the air storage cylinder is connected with the pneumatic brake valve, the pneumatic solenoid valve is arranged between the pneumatic brake valve and the air booster pump, and the pneumatic solenoid valve is provided with a first outlet, a second outlet and a third outlet. The invention has the advantages that: through the setting of the pneumatic solenoid valve, the pneumatic-assisted hydraulic braking system which originally requires the driver to step on the brake to participate in the emergency braking can automatically and quickly cooperate with the full hydraulic braking system under the condition that the emergency braking is required, and simultaneously the maximum braking torque is jointly output. The pneumatic-assisted hydraulic braking system has the advantages that the pneumatic-assisted hydraulic braking system can be automatically and rapidly combined with the full hydraulic braking system under thecondition that the emergency braking is required; the air-assisted hydraulic braking system actively participates in the emergency braking, which minimizes the artificial uncertainties and increasesthe safety.

The invention discloses an emergency collision avoidance control method and system for an intelligent driving vehicle, and relates to the field of intelligent driving control, and the method comprises the steps: carrying out the real-time calculation and judgment of the collision risk of the vehicle, and activating an FCW alarm function and a path planning request when the judgment result shows that the vehicle has a first-level collision risk; based on the collision risk of the vehicle and when the vehicle has a secondary collision risk, if a driver adopts an emergency braking active intervention action, activating an emergency braking auxiliary function of the AEB; if the driver takes the emergency steering active intervention action, activating an emergency steering auxiliary function of the ESA; and if the driver does not take the active intervention action for collision avoidance, judging whether the automatic emergency braking function of the AEB can avoid collision or not. According to the invention, the algorithm calculation resources can be saved while orderly operation of the intelligent driving function can be ensured.

The invention discloses a vehicle accelerator pedal. The vehicle accelerator pedal comprises a baseplate and the baseplate is provided with a face plate. The face plate moves in the thickness direction of the baseplate, and therefore the face plate is switched in a reciprocating mode between the initial position far away from the baseplate and the working position close to the baseplate. The baseplate is provided with a thrust mechanism and a sensor. The vehicle emergency brake auxiliary system comprises an electronic brake used for reducing the vehicle speed, a controller and the vehicle accelerator pedal. The sensor of the vehicle accelerator pedal converts detected process variables into a detection signal and transmits the detection signal to the controller. The controller controls starting and stopping of the electronic brake by the detection signal. According to the vehicle accelerator pedal and the vehicle emergency brake auxiliary system, emergency brake signal can be providedwhen the right foot of the operator is lifted off from the accelerator pedal, and therefore the reaction time of the emergency brake is greatly shortened.

The invention discloses an emergency braking assisting method and device, a storage medium and a vehicle, and relates to the technical field of safe driving, and the emergency braking assisting method comprises controlling the vehicle to enter an emergency braking assisting mode when the vehicle is in a secondary alarm stage of a front collision early warning system. The invention further discloses an emergency braking controller, a storage medium and a vehicle. The problems that in the prior art, an emergency braking auxiliary system is additionally arranged on a front collision early warning system vehicle, the cost is high, and the technology is immature are solved.

The invention provides an emergency braking auxiliary device and method for a pneumatic brake. The emergency braking auxiliary device comprises a first gas storage tank, an energy conversion mechanism, a detection mechanism and an ECU. The first air storage tank is used for being connected with a brake air chamber; one end of the energy conversion mechanism is used for being connected with a poweroutput shaft, and the other end of the energy conversion mechanism is connected with a second air storage tank to convert mechanical energy into air pressure internal energy; the detection mechanismis used for detecting the stroke s of a brake pedal and the air pressure p of the first air storage tank; and the ECU is respectively connected with the detection mechanism, the energy conversion mechanism and a control valve of the first gas storage tank. During emergency braking, the first air storage tank inflates extra high-pressure air into a braking air chamber, the braking effect is enhanced, the emergency braking auxiliary function is achieved, air inflation and energy storage are conducted on the first air storage tank through the power output shaft in a vehicle during normal braking,redundant energy is rushed into the second air storage tank, and recovery of braking energy is achieved.

The invention belongs to the technical field of automobile braking, and discloses an emergency braking auxiliary control method, device and equipment and a storage medium. The method comprises the steps of obtaining a current vehicle speed; judging whether collision danger exists or not according to the current vehicle speed; when collision danger exists, starting an emergency braking mode; and performing emergency braking according to preset braking operation of the emergency braking mode. By means of the mode, whether the collision danger exists or not can be automatically judged according to the current vehicle running speed, the emergency braking mode is started under the condition that it is judged that the collision danger exists at the current vehicle speed, and then emergency braking is conducted according to the preset braking operation preset in the emergency braking mode; and braking can be carried out not only by wheel friction force through preset braking operation, so the braking force of the vehicle is enhanced, and the possibility of accidents is reduced.

The invention provides an emergency braking method for an automatic driving vehicle based on a robot, and the method comprises the steps that the robot detects a heartbeat signal transmitted by an automatic driving system, and generates a detection report; the robot judges whether the automatic driving vehicle is abnormal or not according to the detection report; when the automatic driving vehicleis abnormal, the robot generates an emergency braking instruction; and the robot controls a mechanical arm to tread a vehicle brake pedal according to the emergency brake instruction. Besides, the invention further provides a robot applied to emergency braking and an automatic driving vehicle, when the automatic driving system and remote monitoring of the automatic driving vehicle fail, the robotautomatically conducts emergency braking on the automatic driving vehicle, and the robot assists the automatic driving vehicle in avoiding or reducing adverse consequences caused by accidents.

The invention discloses an automobile vacuum booster with the mechanical emergency braking auxiliary system function. A control valve assembly is installed inside a piston body hole, the hole is internally provided with a cylindrical boss with a center hole, the cylindrical boss is sleeved with a sliding valve, a control valve seat stretches into the center hole of the cylindrical boss, and a control valve spring front base abuts against the end face of a piston. A U-shaped sliding valve retaining sheet is clamped on the front shaft neck of the control valve seat. A U-shaped lock plate is clamped on the middle shaft neck of the control valve seat. The front end of the sliding valve is provided with four lugs, the outer side of the back end of the sliding valve is provided with a flange, the sliding valve is sleeved with an emitting spring abutting against the flange at the back end of the sliding valve, a sealing groove is formed in the flange of the sliding valve, an O-shaped sealing ring and the inner wall of a piston body are sealed in a matched mode, and a snap spring is connected with the sliding valve retaining sheet in a sleeved mode. The vacuum booster emergency braking function is achieved, assembling is very easy and convenient, the occupied space is very narrow and small, the connecting portion is reliable, the performance is reliable, and the defects that the electronic braking auxiliary function is high in cost and complex in structure are overcome.

The invention belongs to the technical field of vehicle braking, and relates to an auxiliary braking device for a brake. The main body structure of the device comprises a main shaft, a first longitudinal supporting rod, a second longitudinal supporting rod, a sliding shaft, a spring, a first iron chain box, a second iron chain box, a first iron chain, a second iron chain, a first brake, a second brake, a fixing nail, a reverse pulley, a second gear, a small spiral, a motor box, a transverse supporting rod, a motor, a first gear, an annular chain, a second positioning rod and a forward pulley. The device comprises a main shaft, a first positioning rod, a third iron chain, a spring piece, a first button, a controller and a long shaft, the right side of the main shaft is sleeved with a sliding shaft, a spring is arranged at the right end of the sliding shaft, a reverse pulley, a second gear and a small spiral are sequentially arranged on the sliding shaft from left to right, and the reverse pulley is of an inner ratchet wheel structure; secondary emergency braking is achieved when a vehicle brake fails, the auxiliary brake achieves braking, the braking stroke is shortened, and the device is simple and ingenious in overall structural design, safe, reliable, convenient to operate and popularize and environmentally friendly in application.

There is presented a method for controlling an activation threshold of a safety system of a vehicle. The method comprises receiving map data from a remote data repository, said map data comprising a geographical location of a dynamic object located in a surrounding area of an expected path of the vehicle, determining a geographical location of the vehicle by means of a localization system of the vehicle, and lowering an activation threshold value of the safety system when the geographical location of the vehicle is within a predefined distance from the dynamic object. The presented method provides for an efficient means for preparing e.g. an emergency brake assist system of a vehicle in potentially critical situations.