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2471 results about "Brake control" patented technology

Dynamic load distribution method and device based on vehicle body controller, equipment and medium

The invention relates to a dynamic load distribution method, device and equipment based on a vehicle body controller and a medium, and the method comprises the steps: collecting the mechanical load, electrical load and thermal load data of a vehicle body in real time through a distributed sensor network, and generating multi-source heterogeneous initial load data; performing standardization processing on the initial load data, and constructing a three-dimensional data cube type standard load data set; comprehensive characterization features are extracted through feature space mapping, and a fusion load feature set containing a threshold range is dynamically generated in combination with historical data; constructing a load correlation model based on the fusion features, and mapping to generate a steering and braking control parameter combination; and according to the real-time load threshold cross-border state, dynamically adjusting the task priority, allocating real-time calculation core resources to the chassis system, and generating an optimal allocation scheme. According to the method, the problems of multi-source load data fusion failure, resource allocation rigidity and safety task response delay in the prior art are solved, and dynamic load optimization of the vehicle body control system under complex working conditions is realized.
Owner:SHANGHAI QINGJIAN AUTOMOTIVE TECH CO LTD

Self-adaptive braking kinetic energy recovery control method and system based on multi-sensor fusion

The invention relates to the technical field of automobile brake control, in particular to a self-adaptive brake kinetic energy recovery control method and system based on multi-sensor fusion. Tire wear and road surface feature data are collected through a multi-source sensing fusion unit, and a tire wear coefficient and a road surface friction coefficient are generated through an intelligent decision calculation unit; the method comprises the following steps of: integrating the nonlinear correlation of the multi-source sensing fusion unit and the self-adaptive control execution unit through a rule and data fusion algorithm, outputting a comprehensive friction coefficient, and dynamically adjusting the braking kinetic energy recovery force and response time by the self-adaptive control execution unit according to the comprehensive friction coefficient. The system comprises a multi-source sensing fusion unit, an intelligent decision calculation unit, the self-adaptive control execution unit and a closed-loop feedback calibration unit. The closed-loop unit corrects data deviation through cross validation of the laser radar and the motor torque inversion model, the problems of poor working condition adaptation and unreliable data are solved, and the kinetic energy recovery efficiency, the braking safety and the driving smoothness are improved.
Owner:LINYI HIGH-TECH ZONE HONGTU ELECTRONICS CO LTD

Electromechanical braking system control method based on contact point detection and mode management

The invention relates to an electronic mechanical braking system control method based on contact point detection and mode management. Comprising the following steps: step 1, designing a clamping force basic control algorithm based on stiffness characteristics and feedforward compensation of Stribeck friction in combination with a proportional-integral-differential control theory; 2, designing a contact point detection algorithm based on position signal identification by analyzing the typical characteristics of the contact points, and identifying the inherent relation between the position stable points and the contact points through experimental calibration; and step 3, designing a mode management system including clearance elimination, clearance keeping and clamping force control, and performing mode switching and keeping by judging a brake signal. The overall function design of contact point detection, mode management and brake control of the electronic mechanical brake system is comprehensively achieved, the control precision and function stability of the system can be remarkably improved, and a set of complete solution is provided for design and development of the brake-by-wire system in the future.
Owner:JILIN UNIVERSITY

Intelligent brake system of surrounding type numerical control rotary table based on AI predictive control

The invention provides a surrounding type numerical control rotary table intelligent braking system based on AI predictive control, and belongs to the technical field of intelligent manufacturing and numerical control. The problems that an existing numerical control rotary table braking system is lagged in response, lacks intelligent prediction and self-adaptive capacity, and is insufficient in control precision and attenuated in long-term performance are solved. The surrounding type numerical control rotary table intelligent brake system based on AI predictive control comprises a state acquisition module, an AI predictive module, a pressure control module, a surrounding type brake execution structure and a feedback correction module, an AI predictive mechanism and a self-correction feedback loop are introduced, intelligence, self-adaption and high responsiveness of brake control are achieved, and the brake control precision is improved. The positioning precision, the braking stability and the overall energy efficiency level of the numerical control rotary table are improved, and the numerical control rotary table has the advantages that the response speed is remarkably increased, the positioning precision is high, the self-adaptive capacity is high, the braking process is stable and the intelligent degree is high.
Owner:ZHEJIANG ADVANCED CNC MASCH TOOL TECH INNOVATION CENT CO LTD

Dynamic energy distribution method for new energy automobile based on regenerative braking

The invention provides a regenerative braking-based dynamic energy distribution method for a new energy automobile, which belongs to the technical field of braking systems and comprises the following steps: step 1, determining the total braking force currently required by the automobile, and further determining the distribution proportion of mechanical braking and regenerative braking; 2, evaluating the current acceptable charging power of the battery and the feedback power range of the motor, and further determining limit data of regenerative braking energy distribution; 3, the optimal regenerative braking force and mechanical braking force distribution proportion under the current working condition is determined; 4, the optimal regenerative braking force distribution proportion is converted into a regenerative braking force instruction, then a motor is controlled to generate corresponding regenerative braking torque based on the regenerative braking force instruction, the vehicle is braked, and energy is recycled; and 5, the mechanical braking force distribution proportion is converted into a mechanical braking force instruction, and then a mechanical braking device is controlled to generate corresponding braking force based on the mechanical braking force instruction. And more accurate brake control and energy management are realized.
Owner:SHANDONG YILU TRANSPORTATION TECH CO LTD

Commercial vehicle integrated brake control and sensor system

The invention relates to a commercial vehicle integrated brake control and sensor system. The system comprises a multi-source sensor module used for acquiring sensor signals of operation of the commercial vehicle brake control system. The feature extraction module carries out filtering processing on sensor signals and extracts key feature parameters to construct a feature parameter matrix. In the braking decision execution module, a front and rear axle control unit calculates a front and rear axle braking force distribution coefficient based on the characteristic parameter matrix and generates an intelligent braking instruction; and the braking execution unit dynamically adjusts single-wheel braking force distribution according to the intelligent braking instruction to obtain braking execution parameters. And the evaluation optimization module judges the stability of the braking system according to the braking execution parameters and the operation real-time feedback data, and adjusts the braking force distribution parameters of each wheel to generate an optimized braking control strategy. By adopting the system, the multi-source data fusion precision, the dynamic adaptability of braking force distribution and the communication stability under complex working conditions in the braking process of the commercial vehicle can be improved, and the safety and reliability of the braking system are enhanced.
Owner:青岛凯博科智能科技有限公司

Electromechanical brake system and vehicle

An electromechanical brake system (10) includes a first energy supply apparatus (20) and a second energy supply apparatus (21), a first system control device (30) and a second system control device (31), a plurality of electromechanical brake actuator devices (41), and a first plurality and a second plurality of electronic brake control systems (40a, 40b). Each of the electronic brake control systems is set up to control one of the electromechanical brake actuator devices. The first energy supply apparatus is connected to the first system control device and to each of the first electronic brake control systems, and the second energy supply apparatus is connected to the second system control device and to each of the second electronic brake control systems. A further control device (32, 47) may be connected to at least one of the first electronic brake control systems or one of the second electronic brake control systems.
Owner:ZF CV SYST GLOBAL GMBH

Vehicle energy recovery control method and device, medium and vehicle

The embodiment of the invention provides a vehicle energy recovery control method and device, a medium and a vehicle, and relates to the technical field of brake control. The method comprises the steps that a braking request of a target vehicle is responded, and current braking judgment parameters of the target vehicle are obtained; under the condition that it is determined that the target vehicle meets the preset energy recovery condition based on the current braking judgment parameters, the vehicle operation parameters are input into an intelligent decision-making model, and a braking force distribution strategy result is obtained; based on the braking force distribution strategy result, braking control is conducted on a motor control system and a braking system; the motor control system is used for providing regenerative braking force and generating recovery energy suitable for supplementing energy to the power battery. According to the embodiment of the invention, the vehicle operation parameters collected in real time are input into the self-adaptive adjustment intelligent decision-making model, and the braking force distribution strategy suitable for the current operation condition can be output, so that the accuracy and adaptability of braking force distribution are effectively improved.
Owner:CHINA FAW CO LTD

Aircraft brake servo valve performance monitoring and health management method

The invention relates to the technical field of aircraft brake, in particular to an aircraft brake servo valve performance monitoring and health management method, which comprises the following steps of: acquiring a servo valve theoretical output current and a servo valve recovery current; according to the theoretical output current of each channel of the servo valve and the recovery current of the servo valve, whether brake current output loops of the two channels are abnormal or not is judged; when one channel of brake current output loop is abnormal, whether the other channel of brake current output loop is abnormal or not is judged according to the actual brake pressure and the theoretical pressure; and when the brake pressure output loop of the other channel is normal, brake control is carried out on the servo valve through the channel. By monitoring the performance of the servo valve in real time, it is guaranteed that dynamic switching can be achieved when the performance of the servo valve drifts in the airplane braking process, the influence of the performance drifting of the servo valve on the airplane braking effect is avoided, and the safety of a braking system is improved.
Owner:XIAN AVIATION BRAKE TECH

Skid wheel brake control method and device and vehicle

The invention discloses a slipping wheel braking control method and device and a vehicle, and is applied to the technical field of vehicle running control, and the method comprises the steps that under the condition that the vehicle is controlled to start a braking torque control function, according to the wheel speed deviation value of a target slipping wheel, the initial braking torque of the target slipping wheel or the brake torque of the vehicle is combined, and the braking torque of the target slipping wheel is controlled; obtaining a candidate braking torque of the target slipping wheel; the candidate braking torque is limited, and the target braking torque of the target slipping wheel is obtained; and according to the target braking torque, braking control is conducted on the target slipping wheel. According to the technical scheme of the embodiment of the invention, the accuracy of the braking torque of the wheel can be effectively improved, so that the braking control precision of the slipping wheel is effectively improved, and the driving safety and the driving stability of the vehicle during slipping are ensured.
Owner:CHINA FAW CO LTD

Brake torque distribution device and distribution method of vehicle

A brake torque distribution device for distributing braking torque to wheels of a vehicle includes: a receiving unit for receiving vehicle driving information including required braking torque; a regenerative braking unit for generating regenerative braking torque; a braking torque generating unit for generating braking torque; and a braking control unit for controlling the braking torque generating unit to distribute the braking torque to the wheels of the vehicle, where the braking control unit may determine the braking torque distributed to the braking torque generating unit based on an optimal tire slip diagram stored in memory.
Owner:HYUNDAI MOTOR CO LTD +1

Vehicle cruise control method and device, vehicle-mounted computing equipment and vehicle

The invention relates to a vehicle cruise control method and device, vehicle-mounted computing equipment and a vehicle, relates to the technical field of intelligent driving, and can improve the driving safety and stability of the vehicle under ice and snow weather conditions. The method comprises the following steps: predicting a future road surface state of a driving road surface of a vehicle according to meteorological data and road surface state information; under the condition that the future road surface state is the ice and snow road surface state, actual friction information of the driving road surface is obtained; determining a target driving state of the vehicle according to the actual friction information and a vehicle cruise condition, controlling the driving of the vehicle according to the target driving state, and obtaining an actual driving state in the driving process; and according to the actual driving state and a braking compensation strategy corresponding to the ice and snow pavement state, braking control information is determined, and driving of the vehicle is adjusted according to the braking control information.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Intelligent control method and system for motorcycle calipers

The invention discloses an intelligent control method and system for motorcycle calipers. According to the method, multi-modal data such as vehicle speed, wheel speed, piston displacement, brake disc temperature, inclination angle and transverse acceleration are collected in real time through a multi-source sensor and are preprocessed; calculating a braking demand and an adhesion coefficient according to the data, and recognizing a straight line, a curve or an emergency braking scene in combination with the inclination angle and the transverse acceleration; inputting the data into a pre-trained brake control machine learning model to generate a target brake force change curve; controlling the driving motor and the calipers to brake based on the curve, and regularly optimizing the model according to brake feedback and historical data; predicting a braking efficiency attenuation trend by combining a part degradation model, and compensating the braking force to update the model; the motor current is adjusted in real time through closed-loop control so as to follow the target braking force; and continuously monitoring the temperature of the brake disc, and triggering thermal attenuation compensation when the temperature exceeds a threshold value. According to the invention, self-adaptive, accurate and reliable intelligent braking of the motorcycle is realized.
Owner:ZHONGSHAN MOFAS SPORTS EQUIP DEV CO LTD

Emergency braking control method

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

Comfortable braking control method and device, electronic equipment and storage medium

The invention relates to a comfortable braking control method and device, electronic equipment and a storage medium. The comfortable braking control method comprises the steps that driving state data of a vehicle and physical parameters of the vehicle are obtained; according to the driving state data and the physical parameters of the vehicle, the required braking force needed by parking the vehicle on the current road surface is determined; determining the maximum distribution proportion of the braking force of the rear axle according to the driving state data and the required braking force; determining a front axle target braking force and a rear axle target braking force based on the maximum distribution proportion of the required braking force and the rear axle braking force; and controlling the vehicle to perform comfortable braking according to the front axle target braking force and the rear axle target braking force. According to the embodiment of the invention, longitudinal comfortable braking can be realized, energy accumulation of the suspension in the braking process is reduced, the situation that the vehicle is nodding during braking and parking is avoided, vehicle instability caused by too large slip rate of rear axle wheels can be avoided, the acceleration and acceleration fluctuation are reduced, the comfort is improved, and the safety in the comfortable braking process is ensured.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Vehicle comfort brake control unit and control method

The embodiment of the invention provides a control unit and a control method for comfortable braking of a vehicle. The control unit comprises: a detection module configured to detect a driving behavior of a vehicle to obtain a first detection result, detect a road condition of a vehicle driving road to obtain a second detection result, and detect a driving state of the vehicle to obtain a third detection result; the processing module is configured to judge whether a triggering condition of a virtual sensor for calculating the vehicle load is met or not based on the first detection result, the second detection result and the third detection result; if it is judged that the triggering condition is met, a virtual sensor is adopted, and the vehicle load state is obtained based on multiple sets of parameters representing the current state of the vehicle; and a comfort braking module configured to determine an adjustment to a comfort braking parameter of the vehicle based on the vehicle load condition.
Owner:BOSCH AUTOMOTIVE PRODUCTS (SUZHOU) CO LTD

Brake control optimization method and system combined with vehicle multi-state perception

The invention discloses a braking control optimization method and system combined with vehicle multi-state perception, and belongs to the technical field of vehicle intelligent control, and the method comprises five steps of multi-source data acquisition, data preprocessing, multi-state risk modeling, multi-target braking force distribution and braking control optimization. Based on a tire dynamic model and a semantic physical double-source weighting mechanism, generating high-precision vehicle multi-state sensing feature data; a multi-state risk modeling method based on path prediction and a physical constraint model is combined with a dynamic risk weight adjustment mechanism to calculate a comprehensive target deceleration; a multi-objective optimization function including the braking distance, the stability and the tire reliability is constructed, and four-wheel braking force distribution and coaxial cooperative control are carried out; and pressure control is executed according to the optimization result, and brake control optimization is achieved. According to the method, real-time self-adaptive adjustment of the brake control strategy can be achieved under the complex environment and multiple working conditions, and the safety, stability and response precision of braking are improved.
Owner:BEIJING BOCHUANG LIANDONG TECH CO LTD

Unmanned crawler braking system and method based on self-adaptive control

The invention relates to the technical field of dynamic parameter correction of self-adaptive control systems, in particular to an unmanned crawler braking system and method based on self-adaptive control. The system comprises a data acquisition module, a viscosity dynamic compensation module, a control instruction generation module and a distributed execution module. The data collection module collects vehicle motion state parameters through an accelerometer, a pitch angle sensor and a hydraulic oil temperature sensor, GPS time service and a CAN bus clock are adopted to calibrate the time sequence of a multi-source sensor, and the control instruction generation module fuses the pitch angle, the steering torque parameter and the viscosity variation. According to the method, through closed-loop viscosity correction, instruction time sequence optimization and low-temperature adaptability regulation and control, the problem of braking torque control deviation of a multi-degree-of-freedom articulated mechanism caused by nonlinear change of the viscosity of a hydraulic medium is solved.
Owner:BEIJING SHAOSHI TECH CO LTD

Brake pedal verification method, device and equipment based on two-way pedal and storage medium

The invention discloses a brake pedal verification method, device and equipment based on a two-way pedal and a storage medium, relates to the technical field of vehicle brake control, and discloses the brake pedal verification method based on the two-way pedal. Comprising the steps that a brake lamp switch signal, an allowable deviation threshold value and a first sensor signal and a second sensor signal of a two-way pedal position sensor are obtained; performing processing according to the first sensor signal and the second sensor signal to obtain a target deviation value, and performing consistency analysis according to the target deviation value and the allowable deviation threshold to obtain a consistency analysis result; performing fault tracing on the consistency analysis result according to the brake lamp switch signal to obtain a fault positioning result; and fault isolation is carried out based on the fault positioning result, so that brake pedal verification based on the two-way pedal is completed. The technical effect of guaranteeing the signal reliability of the two-way pedal position sensor and the function continuity of the braking system is achieved.
Owner:DONGFENG LIUZHOU MOTOR

Linkage device, integrated main control unit, ABS brake system and brake control method

The invention discloses a linkage device, an integrated main control unit and an ABS brake system.The linkage device comprises a valve body, a piston assembly and a one-way sealing element, the valve body comprises a first cavity, a second cavity and a second oil way, and the first cavity is communicated with the second oil way and the second cavity; the piston assembly slides in the first cavity in a reciprocating mode along the axis, part of the piston assembly can enter the second oil way, a gap is formed between the piston assembly and the valve body, a plurality of small holes are evenly formed in the side wall of the piston assembly, the piston assembly is provided with an elastic element, and the one-way sealing piece is arranged in the annular groove of the valve body and located on the outer side wall of the piston assembly. The one-way sealing piece is in sliding connection with the piston assembly, and the one-way sealing piece and the small holes jointly serve as a structure for controlling opening and closing of the internal liquid channel. The linkage device solves the problems that in the prior art, a one-way oil seal of a linkage device is prone to failure, the pressure relief hole diameter is too small, and then the efficiency and safety of a braking system are affected.
Owner:WENZHOU RUILI KEMI AUTOMOTIVE ELECTRONICS CO LTD

Reinforced braking system of mountain railway vehicle

The invention discloses an enhanced braking system for a mountain railway vehicle, which relates to the technical field of railway vehicle braking control, and comprises the following steps: acquiring a rail position vector and an arc length, calculating a rail curvature and a rail gradient, and combining the current speed and the target speed of the vehicle to solve a braking demand acceleration value and generate a gradient parameter and a curve parameter; according to the braking force distribution proportion, a wheel rail hydraulic braking torque value is adjusted, the meshing depth and the vibration frequency of a rack rail brake are controlled through a rack rail action instruction, and a wheel rail system state report and a rack rail work log are generated; and gradient parameters, actual adhesive force numerical values and toothed rail meshing efficiency in the braking process are extracted from a wheel-rail system state report and a toothed rail work log, and closed-loop optimization is carried out in combination with a terrain braking curve. Self-learning and self-adaptive adjustment are carried out on the braking process through closed-loop feedback and parameter optimization, so that the energy utilization efficiency is improved and the service life of key components is prolonged while the braking efficiency is guaranteed.
Owner:SICHUAN VOCATIONAL & TECHN COLLEGE OF COMM

Redundant braking control method of autonomous vehicle and storage medium

The invention discloses a redundant braking control method of an automatic driving vehicle and a storage medium, which are applied to a vehicle control unit. According to the method, when it is detected that an automatic driving module, anti-collision early warning or remote monitoring triggers a braking demand, the target deceleration is calculated in combination with the vehicle speed and the obstacle distance. By collecting the actual acceleration, the parking air chamber air pressure and the motor torque, the total braking force is estimated, the electronic parking braking force is separated out, and then the road adhesion coefficient is calculated. And in the redundant braking mode, according to the target deceleration, the attachment condition and the capacity upper limit of the two systems, performance indexes including deceleration deviation and a parking penalty term are constructed, and the target motor deceleration and the target electronic parking deceleration are obtained through joint distribution. And finally, the target parking deceleration is converted into target air pressure through the deceleration air pressure mapping table containing the online correction amount, the air pressure is adjusted through closed-loop control, and accurate and stable redundant service braking is achieved.
Owner:CRRC GREENWAY (SHANGHAI)VEHICLE TECH LTD CO

Vehicle braking method, device and equipment and readable storage medium

The invention discloses a vehicle braking method, device and equipment and a readable storage medium. The vehicle braking method comprises the steps that when a main braking controller detects that a first brake pedal travel sensor signal is invalid, and a backup braking controller detects that a second brake pedal travel sensor signal is invalid; when the main brake controller detects that the duration of the first signal of the mechanical brake lamp switch is longer than the preset duration, the vehicle is controlled to be braked emergently; wherein the mechanical brake lamp switch is installed on the brake pedal, when the brake pedal is in a treading state, the mechanical brake lamp switch provides a first signal, and when the brake pedal is not in the treading state, the mechanical brake lamp switch provides a second signal. According to the brake control method and device, when the first brake pedal travel sensor signal and the second brake pedal travel sensor signal are invalid, the brake intention is recognized in time through the brake lamp switch connected with the main brake controller through the hard wire, emergency braking is applied to the vehicle, and the safety of vehicle braking is ensured.
Owner:DONGFENG MOTOR GRP

Intelligent electro-hydraulic composite braking system of electric vehicle and control method thereof

The invention relates to the technical field of electric vehicle braking, and discloses an intelligent electro-hydraulic composite braking system of an electric vehicle and a control method of the intelligent electro-hydraulic composite braking system. The system comprises a braking state sensing module, a risk assessment module, a strategy collaborative generation module and a control updating module. The braking state sensing module collects vehicle running state data and road surface environment information in real time through a multi-source sensor, and a braking working condition feature set and environment feature information are constructed. The braking risk assessment module obtains a comprehensive braking risk value in combination with the environment characteristic information, the initial braking parameters of the vehicle, the current braking request and the state information of the electro-hydraulic actuator; when the risk value is abnormal, a braking strategy collaborative generation module generates a plurality of electro-hydraulic composite braking distribution schemes, calculates a collaborative execution interference degree and an intervention evaluation value, screens an optimal scheme and generates an optimized braking control strategy; and the brake control updating module updates brake control parameters in real time according to an optimization strategy, generates brake operation log information and adapts to complex working conditions.
Owner:CHANGAN UNIV

Brake system and braking method for a rail vehicle

A rail vehicle brake system includes a brake controller with a first brake control unit providing braking functions and outputting a force manipulated variable, and a first actuator control unit providing functions for generating a frictional braking force based on the force manipulated variable and outputting an actuation variable. The brake system further includes an extension function support and an actuator that includes a second brake control unit providing braking functions and outputting a force manipulated variable, a second actuator control unit providing functions for generating a frictional braking force based on the force manipulated variable and outputting an actuation variable, a braking force unit providing functions for generating a frictional braking force based on the actuation variable, and first and second braking paths from functions that are active between a control input by the brake system and the generation of a braking force.
Owner:KNORR BREMSE SYST FUR SCHIENENFAHRZEUGE GMBH

Vehicle braking control method and device and vehicle

The embodiment of the invention relates to the technical field of vehicles, and discloses a vehicle braking control method and device and a vehicle. The vehicle braking control method comprises the steps that under the condition that the vehicle is in a sliding state, an electric braking correction coefficient is determined based on road surface information and speed information of the vehicle; the road surface information is used for representing parameter values of road surface parameters influencing the braking performance; based on the electric braking correction coefficient and the maximum allowable electric braking torque of the sliding working condition of the braking motor, the target electric braking torque of the vehicle is determined; determining a hydraulic compensation torque based on a total braking torque of the vehicle and the target electric braking torque; and brake control is conducted on the vehicle based on the target electric brake torque and the hydraulic compensation torque. By means of the technical scheme, the target electric braking torque can be accurately matched with the road surface information and the speed information of the vehicle, and therefore the braking control accuracy is improved.
Owner:DEEPAL AUTOMOBILE TECH CO LTD

Water-cooling and air-cooling combined heat dissipation type double-brake system and brake control method

The invention discloses a water-cooling and air-cooling combined heat dissipation type double-brake system and a brake control method, and the brake system comprises brake discs arranged corresponding to wheels; the two brake execution assemblies are arranged on the two sides of the brake disc correspondingly, each brake execution assembly is provided with a plurality of brake pad sets arranged in the circumferential direction of the brake disc, and the brake pad sets are driven by hydraulic assistance generated by a hydraulic booster to be pressed on the surface of the brake disc so as to execute the braking action; a heat dissipation air opening penetrating through the inside and the outside is formed in the brake execution assembly; the double-atomization assembly is borne by the brake execution assemblies and used for supplying wind power and atomized water into the brake execution assemblies; the double-atomization assembly comprises a mounting shell sleeve; the atomizing nozzle is connected with a high-pressure water pump; a high-speed fan; a temperature sensor; and a main controller. The braking force can be greatly increased, the braking effect is improved, heat dissipation is uniform, and the excellent heat dissipation effect is achieved.
Owner:SUZHOU JIPINHAO TECH EQUIP CO LTD

Brake control method and vehicle

The invention provides a braking control method and a vehicle, and relates to the technical field of vehicle braking. The method comprises the following steps: acquiring braking parameters and driving parameters of a vehicle and biological data of a driver at the current moment; determining a driving style, a driving intention and a driving state of the driver at the current moment according to the driving parameters and the biological data; wherein the driving style is used for representing the preference of the driving behavior of the driver, the driving intention is used for representing the driving behavior of the driver in a preset scene, and the driving state is used for representing the physiological and psychological states of the driver; according to the driving style, the driving intention and the driving state, a braking control instruction corresponding to the braking parameters is determined; according to the technical scheme, braking control is conducted on the vehicle on the basis of the braking control instruction, braking control can be effectively adjusted according to the actual driving condition, and therefore the actual braking effect adapts to the driving behavior of a driver, the driving comfort is improved, and the driving safety is improved.
Owner:FIGURE INTELLIGENT TECHNOLOGY CO LTD

Cooperative braking control method and device based on road adhesion coefficient and energy recovery

The invention relates to a cooperative braking control method and device based on a road adhesion coefficient and energy recovery. The method comprises the steps that vehicle state parameters of a current control period are obtained, and the vehicle state parameters comprise the vehicle longitudinal speed, the vehicle transverse speed, the vehicle yaw velocity and the angular velocity of each wheel; a preset prediction model is solved according to the vehicle state parameters and the constraint conditions, and the control quantity of each wheel in the next control period is obtained; wherein the prediction model takes closer actual longitudinal speed to expected longitudinal speed, maximization of regenerated energy, stable change of controlled quantity and convergence of slip rate of each wheel as targets, and the constraint conditions comprise a wheel constraint condition, a motor hydraulic system constraint condition, a battery charging power constraint condition and a braking force constraint condition. The wheel constraint condition is related to the road adhesion coefficient corresponding to each wheel. By the adoption of the method, the energy recovery efficiency can be maximized, and the stability and safety of the vehicle are guaranteed.
Owner:TSINGHUA UNIVERSITY

Method for controlling a braking system, and braking system

A brake system and method for controlling a braking system comprises transmitting pedal-sensor data to a brake control unit, calculating preprocessing data with the brake control unit, transmitting the preprocessing data to a vehicle controller, calculating control information for at least one electromechanical wheel brake from the preprocessing data in the vehicle controller, and transmitting the control information for the electromechanical wheel brake to a brake control unit. The at least one brake control unit determines whether the control information received from the vehicle controller falls below a safety threshold before forwarding the control information to the at least one electromechanical wheel brake, and, overwrites the control information before forwarding to the at least one electromechanical wheel brake when the control information is below the safety threshold.
Owner:CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH