46results about How to "Real-time monitoring of exercise status" patented technology

This invention relates to a method and a device of tracking shoot by intelligent terminal. The method comprises the steps of opening the turntable camera of the intelligent terminal, initializing the default tracking shoot functions, and identifying the target objects for tracking from the shooting pictures from mentioned camera; monitoring the moving status of the target objects and generating the adjustment order of cameras according to the moving status; controlling the rotation of cameras through the adjustment order so as to keep the shooting angle of mentioned cameras on the target objects to realize a real time tracking.This invention requires no manual adjustment on the shooting angles of the intelligent terminal to simplified the user's operation and avoid the blooming due to shaking occurred during manual moving the intelligent terminal.

The invention discloses an establishing and interference early warning method for an auxiliary assembly safety working space of a spacecraft mechanical arm. The method comprises the steps that three-dimensional models of the mechanical arm, a product to be assembled and other related objects in the working environment are led in the virtual environment of a control system, wherein the three-dimensional models are consistent with material objects in boundary dimension; the relative position and the relative posture of the mechanical arm and the product to be assembled are measured in practical, and the relative position and the relative posture of the mechanical arm and the product to be assembled in the virtual environment are correspondingly set according to the measurement value, and the relative position and the relative posture of the mechanical arm and the product to be assembled in the virtual environment are made to be consistent with the actual measurement result; the control system monitors the movement state of the mechanical arm in real time, the mechanical arm tracks and reflects the movement of a real mechanical arm in real time in the virtual environment, and whether the mechanical arm and the attached objects of the mechanical arm reach the boundary of the safety working space or not is judged through interference checking via the three-dimensional models in the virtual environment.

The invention relates to an intelligent clothes control system and a control method thereof. The system includes a clothes provided with a communication module and a controller, a mobile phone terminal which is in wireless communication with the communication module, is used for receiving power information, location information, and motion information, and sends a control instruction, and a cloud computing server which is in wireless communication with the communication module, receives data of the controller, and is used for obtaining a diagnosis result, a reason analysis, and treatment recommendations. The control system for the intelligent clothes is simple in structure, is easy to install and use, is powerful in functions, and is good in user experiences.

The present invention provides an upper limb functional movement monitoring system and method based on a fabric sensor. The system comprises a signal generating device which comprises a conductive fabric with a signal transmission line which is connected to a button battery, a signal collection and transmission device which collects a voltage signal and sends the signal to a signal receiving and displaying device, the signal receiving and displaying device which receives the voltage signal, carries out functional movement characterization on the signal, displays a functional movement state in real time at the same time, stores data and carries out imaging, wherein the conductive fabric is close to a body upper limb elbow joint, and an upper limb movement stretches the conductive fabric such that the voltage signals at two ends of the conductive fabric are changed. The invention also provides the upper limb functional movement monitoring method based on the fiber sensor. The upper limb functional movement monitoring system and the method have the advantages of low cost, good stability, high sensitivity and strong adaption ability, at the same time a sensitive element can be integrated to the daily clothes, and a basis is provided for biomechanics analysis of human body upper limb movement.

The invention relates to a system and method for recognizing the motion state of a twisting type roller winding and unwinding steel wire rope, which are suitable for detecting the motion state of the steel wire ropes of mine hoisting systems and elevator traction systems. The system comprises an industrial camera, a steel wire rope axial-speed measuring device and an industrial personal computer, wherein the industrial personal computer is used for receiving an image signal obtained by shooting a roller rope outlet point with the industrial camera and an axial motion speed signal of the steel wire rope collected by a shaft encoder, and comprehensively motoring the motion state of the steel wire rope. The comprehensive monitoring for the circular degree of a roller, the disorder station of the roller steel wire rope and the real-time speed of a lifting container is realized. The visualization, automation and intelligentization of monitoring the motion state of the twisting type roller winding and unwinding steel wire rope are realized. The system has the advantages of being simple in structure, convenient to operate and good in using effect.

The invention relates to a micro-mechanical gyroscope, in particular to an electromagnet driven gyroscope based on a nanometer film quantum tunneling effect, solving the problem of the existing micro-mechanical gyroscope that an applied drive mode, an applied detection mode and the structures corresponding to the drive mode and the detection mode limit the performance of the gyroscope to be further improved. The gyroscope comprises a carrier plate embedded with a permanent magnet and a gyroscope tube core, wherein the gyroscope tube core is internally enveloped with a gyroscope sensitive mechanism which comprises a support frame body, a glass base plate, a composite beam and a mass block; the composite beam is formed by a detection beam and pentacle-shaped drive beams symmetrically positioned at the two sides of the detection beam; the connection place between the detection beam and support frame body is provided with a nanometer film quantum tunneling apparatus; the mass block is provided with a feedback lead wire and a drive lead wire; a connection lead wire at the two ends of the feedback lead wire and the drive lead wire, which is positioned along the composite beam, is connected with a lead wire pad corresponding to the support frame body. The gyroscope has simple, rescannable and compact structure, is suitable for microminiaturization, and greatly improves performance parameters such as sensitivity, and the like, compared with the existing micro gyroscope.

The invention discloses a system and method for monitoring the motion state of a construction vertical shaft sinking bucket, and belongs to systems and methods for monitoring construction vertical shaft sinking buckets. The system comprises a dynamic signal collecting and emitting system mounted on a sliding frame, a wireless signal transmission system mounted on the wall of the shaft, and a computer centralized control center mounted in a control computer room. The dynamic signal collecting and emitting system comprises a laser displacement sensor, an industrial camera, a light source and a terminal collecting and emitting controller. The wireless signal transmission system comprises multiple wireless mesh nodes distributed on the wall of the constructed shaft. The computer centralized control center comprises a control host computer and a wireless signal collector. The sinking bucket monitoring method comprises camera calibration, image acquisition, image data uploading, sinking bucket position analysis, dynamic measurement, data storage, monitoring display, data studying and judging and alarming. The system and method have the advantages that the system and method can monitor the motion state of the construction vertical shaft sinking bucket in real time, give out alarm automatically over abnormal states, and guarantee safe operation of the construction vertical shaft sinking bucket.

The invention discloses a fault diagnosing device and diagnosing method of a high-speed rotation device. The fault diagnosing device is characterized by comprising a rail base, a rail, the high-speed rotation device and fault diagnosing equipment. The fault diagnosing method of the high-speed rotation device comprises the following steps of: at first, defining a fault mode and collecting a feature set F{.} of the high-speed rotation device in the corresponding fault mode; and judging the follow-up real-time collected feature set F{.} of the high-speed rotation device through a special algorithm, so that the corresponding fault type is judged. Compared with the periodical detection and maintenance and the post-accident maintenance, the movement state of the high-speed rotation device can be monitored in real time; the faults are classified and early warned; and the damage of entire mechanical equipment, caused by the fault of the high-speed rotation device, can be avoided.

The disclosure provides a health management system and method, mainly applied in--interactive sports equipment and at least--wearable control device, wherein the interactive sports equipment has a display interface, a physical parameter sensor, a communication module and a motion unit. The physical parameter sensor can be used to detect and obtain physical parameter data. The wearable control device has physiological parameter sensor and / or physical parameter sensor. The communication module, the controller as well as the memory unit can identify with the interactive sports device and can transmit the physiological parameter data to the display interface of the interactive sports device. In this way, the interactive sports equipment can provide the function of real-time interaction with users and improve user satisfaction.

The invention discloses a photoelectric single-spindle monitoring device and a detection method, and relates to the technical field of spinning. A first mounting hole used for a bobbin to penetrate isformed in the center of a first plate body, and a steel collar is fixed to the periphery of the first mounting hole in the upper end of the first plate body through a supporting base; a steel ring isarranged on the steel collar, one side of a supporting plate is provided with an infrared transmitter and an infrared receiver, and a concentric detection device is detachably installed on the supporting plate; the eccentric detection device comprises a fixing plate, a plurality of supporting rods are fixed at the upper end of the fixing plate, a mounting plate is fixed at the upper ends of the supporting rods, a stepping motor is installed at the upper end of the mounting plate, an output shaft of the stepping motor is fixedly connected with a lead screw, the other end of the lead screw is connected with an inner ring of a connecting bearing fixed to the fixing plate, and a horizontal range finder is arranged on the wall of a lifting ring. By means of the infrared reflection principle, the motion state of yarn is monitored in real time by sensing the movement track of a steel wire ring and the rotation speed of the steel wire ring, so that normal information of spinning, weak twist,heavy twist, broken ends and the like is extracted.

The invention provides an auxiliary vehicle braking system based on artificial intelligence. The auxiliary vehicle braking system comprises a signal acquisition module, a central control unit, a cloudserver, a braking mechanism driving module and vacuum braking mechanisms, wherein the central control unit, the cloud server, the braking mechanism driving module and the vacuum braking mechanism arearranged in a vehicle. The cloud server uses vehicle state information obtained before and after each time of auxiliary braking as input values to be input into an auxiliary braking depth-learning neural network and uses an auxiliary braking strategy, an auxiliary braking adjustment instruction and a tire pressure adjusting strategy as output values to learn the auxiliary braking depth-learning neural network. The braking strategy is generated by analyzing running vehicle state signals, the braking mechanism driving module is driven to drive the vacuum braking mechanisms to run according to the braking strategy, the vacuum braking mechanisms are arranged on an automotive chassis and are in contact with the road surface, and vacuum environments are formed at the contact parts. The system can cooperate with an automobile main braking system, a braking distance is remarkably decreased, and the braking stability and safety of a running vehicle are improved.

The invention discloses a LoRaWAN technology-based livestock monitoring and locating management system and belongs to the technical field of Internet of Things. The LoRaWAN technology-based livestockmonitoring and locating management system provides convenience for livestock management and disease prevention and monitoring. The LoRaWAN technology-based livestock monitoring and locating managementsystem comprises an LoRaWAN locating terminal, a monitoring sensor, more than 3 LoRa gateway node, a network server and a management terminal, wherein the LoRaWAN locating terminal and the monitoringsensor are worn by a livestock body and connected with each other, the LoRaWAN locating terminal is connected with every LoRa gateway node which is connected with the network server, and the management terminal is connected with the network server; the monitoring sensor and the LoRaWAN locating terminal are connected through a master control chip; the monitoring sensor, the LoRaWAN locating terminal and the master control chip are all powered by a battery power module, which is charged through a solar panel. The LoRaWAN technology-based livestock monitoring and locating management system saves additional hardware support as well as GPS (global positioning system) technology and is small in size and low in power consumption and cost.

The invention discloses a feedback self-check type underwater glider posture adjustment device and a control method. The adjustment device comprises a master control module, a drive module, a posture detecting module, position switches and stepping motors. Position limiting points are arranged on movement positions of the posture detecting module and provided with the position switches correspondingly. The master control module comprises a master controller, a clock circuit, a program downloading circuit, a power circuit and a communication switching circuit, wherein the clock circuit, the program downloading circuit, the power circuit and the communication switching circuit are connected to the master controller. The drive module is connected with the master control module. According to the feedback self-check type underwater glider posture adjustment device and the control method, limit feedback is increased by fixing the position points, the position of a slide block can be determined forcibly at each time of action, the movement direction of the slide block is determined accordingly, and movement disorder caused by the fact that the position of the slide block is recorded through the quantity of state is avoided; and mechanical transmission jamming, poor motor startup and the like can be prevented through the position self-check technology and the overtime alarming technology, and the reliability of a system is improved.

The invention provides an emergency braking control system for preventing the side slip of an automobile, which comprises a signal acquisition module, a signal processing module, a central controller,a braking mechanism driving module, at least two groups of vacuum braking mechanisms, an ESP system and an energy recovery mechanism. The system can monitor the moving state of the running vehicle inreal time, Vacuum braking strategy matched with the current state of the automobile is generated by signal analysis, which can cooperate with the main braking system of the automobile, and the auxiliary braking operation is carried out through the intelligent control mechanism, the braking distance is significantly reduced, and the stability and safety of the service braking are effectively improved; The invention also integrates the ESP into the system, so that the vehicle can maintain optimal stability under various conditions, and the risk of side slip of the vehicle is reduced in the caseof over-steering or over-braking. Energy recovery mechanisms are also provided to recover excess energy released by the vehicle during braking or inertial taxiing, which contributes to energy conservation and environmental protection.

The invention discloses a multifunctional dynamic training system, and relates to the technical field of rehabilitation training equipment. The multifunctional dynamic training system comprises a training rehabilitation subsystem with a net rack, a three-dimensional training subsystem, a motion detection subsystem and a control device; a control circuit and a signal feedback device are arranged inthe control device; the three-dimensional training subsystem is installed in the space formed by the net rack; the motion detection subsystem comprises a sensor and a detection terminal, the sensor is used for collecting motion sensing signals of a trainee, and the detection terminal is used for displaying motion information of the trainee and evaluating the health state of the trainee; a centralcontrol system is electrically connected with the three-dimensional training subsystem and the motion detection subsystem. The multifunctional dynamic training system is capable of monitoring the motion state of the trainee in real time, feeding the motion information, evaluating functional state of the trainee, setting the training mode according to stamina and health conditions of different trainees and motivating the active movement ability of people with limb dysfunction, remarkable in treatment effect and high in efficiency and reduces labor intensity of a curer and curing cost.

The invention discloses a piezoelectric integrated MOEMS scanning raster micromirror and relates to the field of spectrum analysis and micro optical electro mechanical systems. The piezoelectric integrated MOEMS scanning raster micromirror consists of an integrated scanning raster micromirror, a torsion beam, a connecting beam, an angle sensor, a piezoelectric micro driver and a fixing frame. The integrated scanning raster micromirror is based on monotectic orientation (111) silicon substrate, a blazed grating is integrated on the front side, a groove is sapped in the back side, and the diffraction efficiency and device robustness are improved. For achieving large-angle scanning under low-drive voltage, the piezoelectric micro driver and the connecting beam are adopted to amplify drive displacement. For monitoring the motion state of the integrated scanning raster micromirror in real time, the piezoelectric angle sensor is integrally integrated on the connecting beam. The piezoelectric integrated MOEMS scanning raster micromirror is novel and simple in structure and compatible with an integration process, the diffraction efficiency, resolution ratio, robustness and integration level of the scanning raster micromirror can be remarkably improved, and the driving and angle sensing properties of the scanning raster micromirror are improved.

The invention relates to an intelligent control system for automobile brake. The intelligent control system comprises a signal acquisition module, a signal processing module, a central controller, a brake mechanism driving module, at least two groups of vacuum brake mechanisms and an ESP system. By adopting the intelligent control system, the moving state of a running vehicle can be monitored in real time; a brake strategy of the vacuum brake mechanism matched with the current moving state of the car can be generated by virtue of signal analysis, the system can be matched with a main brake system of a car, the intelligent control system executes the auxiliary brake operation, so that the brake distance is significantly reduced, and the stability and safety of the car brake can be effectively improved; secondly, the state for pressing an accelerator pedal mistakenly can be avoided; and additionally, the ESP system is integrated into the auxiliary brake system, the optimum stability of the vehicle can be kept under various conditions, and the sideslipping of the vehicle can be avoided.

The invention discloses a photoelectric single-spindle monitoring device and a detection method, and relates to the technical field of spinning. A first mounting hole used for a bobbin to penetrate isformed in the center of a first plate body, and a steel collar is fixed to the periphery of the first mounting hole in the upper end of the first plate body through a supporting base; a steel ring isarranged on the steel collar, one side of a supporting plate is provided with an infrared transmitter and an infrared receiver, and a concentric detection device is detachably installed on the supporting plate; the eccentric detection device comprises a fixing plate, a plurality of supporting rods are fixed at the upper end of the fixing plate, a mounting plate is fixed at the upper ends of the supporting rods, a stepping motor is installed at the upper end of the mounting plate, an output shaft of the stepping motor is fixedly connected with a lead screw, the other end of the lead screw is connected with an inner ring of a connecting bearing fixed to the fixing plate, and a horizontal range finder is arranged on the wall of a lifting ring. By means of the infrared reflection principle, the motion state of yarn is monitored in real time by sensing the movement track of a steel wire ring and the rotation speed of the steel wire ring, so that normal information of spinning, weak twist,heavy twist, broken ends and the like is extracted.

The invention provides a control mechanism of a multi-rotation valve drive device and belongs to the field of valves. The control mechanism comprises an upper plate and a lower plate which are arranged in parallel. A drive shaft and a small shaft are perpendicularly arranged between the upper plate and the lower plate, and the axis of the drive shaft is parallel to the axis of the small shaft. Oneend of the drive shaft protrudes out of the lower plate to be connected with the input end of a valve. Transmission wheel combinations with different speed reduction ratios are arranged between the drive shaft and the small shaft. The end, far away from the lower end, of the upper plate is provided with a pointer shaft, the rotating angle of the pointer shaft is consistent with that of a valve rod, and the pointer shaft is provided with a first plate cam and a second plate cam. The center line of the first plate cam and the center line of the second plate cam are crossed. A first microswitchis arranged corresponding to the high point of the first plate cam, a second microswitch is arranged corresponding to the high point of the second plate cam, and the first microswitch and the second microswitch are electrically connected with a control center. The end, far away from the upper plate, of the pointer shaft is fixedly provided with a pointer board which can display the rotating angleof the valve rod. The control mechanism is stable in performance, and automatic glue scraping can be achieved.

The invention relates to a locking method for a locking device. The locking device comprises an optoelectronic switch, a comparator, a single chip microcomputer, a driving integrated circuit, a powersupply module and a motor, and four modules of a main program module, a serial port receiving interrupting module, a serial port transmitting interrupting module and a software timing interrupting module are arranged in the single chip microcomputer. The optoelectronic switch reads position information of a mechanical platform body, the comparator processes a signal and feeds back the signal to the single chip microcomputer, and after the single chip microcomputer judges the position signal, a PWM pulse width wave is sent to a driving chip to control the motor to rotate. The locking control method adopts a pulse width modulation control mode (PWM), and not only has the advantages that the noise influence is low, and the transmitting distance is long, but also utilizes a small pulse wave tocontrol stalling of the motor in the locking process, and therefore high reliability of locking is achieved. The operation is convenient and easy to implement, and not only is quick locking of the locking device achieved, but also high reliability of locking of the locking device is achieved through continuous impulse waves in the locking process.

The invention relates to wearable electronic equipment and method for monitoring the motion state of an athletic rehabilitation user. The equipment comprises a temperature sensor, a heart rate detection module, an infrared distance measurement module, a voice prompt module and a controller, wherein the temperature sensor is used for measuring the body temperature of the user wearing the wearable electronic equipment, and when the wearable electronic equipment is in a dormant state and the temperature is in the preset human body temperature range, an awakening notice is started and sent to thecontroller; the heart rate detection module is used for measuring the heart rate of the user wearing the wearable electronic equipment and sending the measured data to the controller; the infrared distance measurement module is used for emitting infrared light to a target object and receiving the infrared light reflected by the target object so as to calculate the distance between the user and thetarget object according to the time interval between the emitted light and the received light; and the voice prompt module is used for giving a voice prompt to the user according to the instruction of the controller. The wearable electronic equipment and method provided by the invention can monitor the motion state of a rehabilitation trainer in real time and can adjust the training strength of the trainer according to the motion state of the trainer so as to effectively guide the training process of the user.

The invention discloses a bearing drive mechanism for a vehicle door system. The bearing drive mechanism comprises a fixing frame, a slideway, a bearing transverse support, a long guide column, a drive component, a locking mechanism, a left nut component, a right nut component, a left slide cylinder, a right slide cylinder, a left hanging rack and a right hanging rack and is characterized in thatthe slideway and the bearing transverse support are arranged on the fixing frame, the drive component comprises a screw, a drive motor and a door controller, the locking mechanism is arranged in the middle of the bearing transverse support, the left nut component and the right nut component sleeve the screw, the left slide cylinder and the right slide cylinder sleeve the long guide column, the left nut component is connected with the left slide cylinder through a linkage rack, the right nut component is connected with the right slide cylinder through a linkage rack, two ends of the long guidecolumn are provided with deep groove ball bearings, the deep groove ball bearings respectively roll the slide grooves of a left hanging rack and a right hanging rack, and a small roller is arranged ona mounting plate. The bearing drive mechanism is simple in structure, convenient to mount, debug and maintain, small in operation resistance, stable in operation, small in operation noise and high inrigidity, and the state of the drive mechanism can be monitored.

The invention discloses an adjustable floating contact type chain fracture warning protection device of parking equipment. The adjustable floating contact type chain fracture warning protection deviceof the parking equipment comprises a microswitch, an elastic driving regulating assembly, a first triangular plate and a second triangular plate, wherein the microswitch is arranged on a base; the elastic driving regulating assembly is arranged at the bottom of the base; one end of an elastic component is abutted against the bottom of the first triangular plate; a fastening screw is arranged at the lower part of the elastic component; the torsion pressure of the first triangular plate is regulated by regulating the screw; one side of the bottom of the first triangular plate is connected withthe base through a pin shaft; the upper part of the first triangular plate is connected with the second triangular plate through a pin shaft; one side edge of the second triangular plate abuts a roller of a vertically installed chain or a horizontally installed chain in a floating contact mode; a hinge extension pin shaft just presses a microswitch reed; when a chain in vertical arrangement or horizontal arrangement fractures or abnormally loosens, the chain falls down through self weight; the second triangular plate jacks away from the pressed microswitch reed under the effects of the first triangular plate and the elasticity; a signal is triggered; and a motor circuit is switched off. The adjustable floating contact type chain fracture warning protection device of parking equipment has the advantages that the reliability is high; and the device adapts to different installation precisions.

The invention discloses a frame rate adjusting system and method of a capsule endoscope. The system comprises a capsule endoscope, an image receiving memory and a film reading terminal; the system further comprises an image acquisition module, a pixel matrix extraction module, a histogram image probability statistics module, a motion matrix calculation module, a motion coefficient calculation module and a frame rate control module, wherein the pixel matrix extraction module and the histogram image probability statistics module extract a pixel matrix from an image, acquire a histogram image probability matrix, output the histogram image probability matrix to the motion matrix calculation module and the motion coefficient calculation module, and further output the histogram image probabilitymatrix to the frame rate control module to adjust a shooting frame rate. By adopting the frame rate adjusting system and method, the motion state of the capsule endoscope can be monitored in real time, the pixel matrix of the image can be extracted, the probability of histogram images can be counted, the motion coefficient can be calculated by adopting the motion matrix, the frame rate adjustinginstruction can be sent to the capsule endoscope, the shooting frame rate of the capsule endoscope can be adjusted, data can be processed in real time, and frame rate adjustment is not delayed.

The invention provides a wonderful picture real-time automatic snapshot method based on a motion sensor, which belongs to the technical field of sports event live broadcast. According to the wonderfulpicture real-time automatic snapshot method based on the motion sensor, athlete wearable equipment, a three-coordinate positioning signal receiving module, a three-coordinate positioning signal processing module, a camera positioning module and a lens transferring module are included. A three-axis acceleration sensor and a three-axis gyroscope attitude sensor are matched with a six-axis motion sensor data processing module to monitor the motion state of an athlete in real time; a three-coordinate positioning signal emitter is matched with a three-coordinate positioning signal processing module and a three-coordinate positioning signal receiving module to determine three-axis coordinates of the athlete; and the automatic camera is enabled to automatically adjust the shooting angle by utilizing the three-axis coordinates, so that wonderful pictures can be automatically judged and snapshotted without manual capturing and snapshotting by a photographer and directors, and the labor cost isgreatly saved.

The invention discloses a self-generating intelligent shoe based on piezoelectric ceramics, which comprises a shoe body, the bottom end of the shoe body is provided with tiptoe piezoelectric ceramics,a data acquisition unit, a PCB, heel piezoelectric ceramics and a data acquisition unit, and the vamp of the shoe body is provided with a USB interface module. According to the invention, electric energy generated by a piezoelectric ceramic power generation module is processed by the signal conditioning module and then supplies power to a central processing module, a human body monitoring module,an early warning module and a wireless communication module, redundant electric energy is stored in a rechargeable lithium battery of the energy storage circuit, action information detected by the human body monitoring module is subjected to information transmission to the central processing module for processing, and the information obtained after processing is transmitted to a mobile phone terminal through the wireless communication module so as to monitor the motion state in real time; the overall power generation efficiency is high, and the motion state can be monitored in real time.

The invention provides an auxiliary braking system for preventing an automobile sideslip. The system comprises a signal acquisition module, a signal processing module, a central control unit, a braking mechanism drive module, at least two vacuum braking mechanisms and an ESP system. The system can monitor the motion state of a traveling automobile in real time and generate a vacuum braking mechanism braking strategy matched with the current motion state of the automobile through signal analysis, the system can be matched with a main braking system of the automobile, auxiliary braking operationis executed through an intelligent control mechanism, the braking distance is remarkably reduced, and the stability and safety of traveling braking can be effectively improved; and meanwhile, the ESPsystem is fused into the auxiliary braking system, the automobile can maintain the optimal stability under various conditions, and the risk of the automobile sideslip happening under the condition ofover-steering or over-braking is reduced.