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103results about How to "Improve ride comfort" patented technology

Control device and method for AMT vehicle sloping route starting

The invention discloses a control device and method for starting of an AMT vehicle on a ramp, which comprises a signal collecting unit, an electronic control unit and an actuating mechanism. The electronic control unit comprises a signal receiving module, a signal analysis and judgment module and a control signal output module, and the actuating mechanism comprises a clutch motor and a throttle motor. The signal collecting unit at least comprises a brake sensor of first level and a brake sensor of second level, the signal analysis and judgment module determines the engaging extent of a clutch and the opening extent of an air control shutter according to the signals collected by the brake sensors of first and second level and received by the signal receiving module, and the control signal output module respectively controls the actions of the clutch motor and the throttle motor according to the engaging extent of the clutch and the opening extent of the air control shutter. The control method for starting of the AMT vehicle on the ramp provided by the invention enables the engaging extent of the clutch and the opening extent of the air control shutter not to be zero when a brake pedal is released, thereby overcoming the starting spark extinction and back sliding of the vehicle caused by factors like friction force, engine torque, etc. during staring of the vehicle on the ramp.
Owner:BYD CO LTD

System and method for controlling interconnecting state of transversely interconnected air suspension

InactiveCN104442266AImprove ride comfortSolve the contradiction between ride comfort and handling stabilityResilient suspensionsAir suspensionTransmission line
The invention discloses a system and method for controlling the interconnecting state of a transversely interconnected air suspension with the orientation to stability of vehicle body postures. All unsprung mass acceleration sensors transmit acceleration information to a signal pre-processing system, the output of the information pre-processing system is connected with input of an ECU 5, the output of a CAN bus communication system is connected with the input of the information pre-processing system and the input of the ECU 5, the interconnection state control algorithm is integrated in the ECU, the output of the ECU is connected with an interconnection state control driving module, the output of the interconnection state control driving module is connected with an interconnection solenoid valve through a control line, and the output of a steering wheel angle sensor is connected with the input of the ECU through a signal transmission line. The running smoothness of a vehicle on a poor road face is improved by reasonably controlling the interconnection state of the transversely interconnected air suspension, the control stability of the vehicle during high-speed steering is not influenced, and it is possible for the interconnected air suspension to be applied to a small-sized vehicle.
Owner:JIANGSU UNIV

Dynamic coordination hybrid electric vehicle energy management method based on working condition classification

The invention provides a dynamic coordination hybrid electric vehicle energy management method based on working condition classification, and the method comprises the steps: employing an improved PSOalgorithm to optimize a K-means clustering analysis algorithm K-means to carry out the division of driving working conditions, and carrying out the adjustment of the dynamic oil consumption of a hybrid electric vehicle for sudden change working conditions. In the aspect of driving condition division, optimizing a clustering center of a K-means algorithm by the improved PSO algorithm, and then performing the condition division according to extracted characteristic parameters of typical conditions; and when a sudden change working condition occurs, entering a throttle valve dynamic coordinationprogram to perform reasonable torque distribution. An intelligent algorithm and a PID control technology are fused to solve the problems of fuel consumption increase, poor riding comfort and the likecaused by improper torque distribution and sudden accelerator change during sudden acceleration or deceleration at present; the power flow between the engine and the motor is reasonably controlled inreal time, the fuel economy is improved, pollutant emission is reduced, and the riding comfort is improved while the dynamic property is guaranteed.
Owner:HENAN UNIV OF SCI & TECH

Parallel hybrid power aircraft dynamic coupling system and driving control method thereof

PendingCN108216646AReduce working noiseImprove ride comfortDepending on number of power plantsPower plant typeClutchCoupling system
The invention discloses a parallel hybrid power aircraft dynamic coupling system and a driving control method thereof. The system comprises a power source and a dynamic coupling system; the power source comprises an internal combustion engine, a motor and an energy storage device; the power coupling system is a parallel hybrid power coupling device formed by combining and connecting a planetary gear row, a brake and a clutch; the clutch is arranged between a sun gear and a planetary frame, the brake is arranged between the planetary frame and a power system shell, the internal combustion engine is connected with the sun gear, and the motor is connected with a gear ring and a system output shaft. By means of the system, various working modes that the motor starts the internal combustion engine, the motor or the internal combustion engine independently outputs power, the motor and the internal combustion engine output power at the same time, the internal combustion engine outputs power,the motor generates electricity, the internal combustion engine is turned off and the motor generates electricity can be achieved. The system is simpler in structure, has multiple working modes and can lower the power grade and working noise of the arranged internal combustion engine and reduce fuel consumption.
Owner:JILIN UNIV

Automobile seat

The invention discloses an automobile seat. The automobile seat comprises a furling drum for accommodating a cover film, a hanging structure and a tensioning mechanism, wherein the furling drum is arranged at the front end of a seat frame; the hanging structure is arranged on the top of a back frame; the tensioning mechanism is symmetrically arranged on two sides of the seat frame; a hook for hanging is arranged at the head end of the cover frame; the tensioning mechanism comprises a sliding chute formed on the two sides of the seat frame, a first support rod of which one end is slidingly connected in the sliding chute, a second support rod of which one end is pivoted on the two sides of the seat frame and a tensioning rod which is pivoted on the other end of the second support rod and extends into the cover film; the other end of the first support rod is hinged at the middle section of the second support rod, and a positioning slot is formed in the middle section of the sliding chute. When the cover film is required to be changed, the cover film is pulled out of the furling drum and is hung on the hanging structure of a back, and the cover film between the seat and the back is tensioned and compressed through the tensioning structure, so that a ventilation and vibration reduction space is formed between the seat and the back and problems of disassembly and assembly and exchange in the prior art are solved.
Owner:HANGZHOU BRANCH ZHEJIANG GEELY AUTOMOBILE RES INST +2

Vehicle speed guiding method, server and readable storage medium

The invention discloses a vehicle speed guiding method, a server and a readable storage medium. The method comprises the steps: obtaining driving information of a controlled vehicle, and obtaining information of a road segment where the controlled vehicle is located and phase information of a signal lamp corresponding to the information of the road segment according to the driving information; judging whether a controlled vehicle enters a guide area or not according to the driving information, the road section information and the phase information; if the controlled vehicle enters the guidingarea, judging whether the passing state of the controlled vehicle is passing or not according to the phase information and the driving information; if the passing state is passing, obtaining an optimal target vehicle speed according to the driving information and the phase information; and sending the optimal target vehicle speed to the controlled vehicle, so that the controlled vehicle drives according to the optimal target vehicle speed. According to the vehicle speed guiding method provided by the invention, the passing rate of the vehicle at the traffic intersection is improved, and the occurrence rate of traffic violation and traffic accidents is reduced.
Owner:SAIC-GM-WULING AUTOMOBILE CO LTD

Two-stage shock absorption automobile suspension structure and locking control method

The invention relates to the technical field of automobile suspensions, in particular to a two-stage shock absorption automobile suspension structure. The two-stage shock absorption automobile suspension structure comprises a shock absorption body and a locking control mechanism. The shock absorption body is composed of a first-stage shock absorption structure and a second-stage shock absorption structure which are connected in series. The first-stage shock absorption structure comprises a first-stage damper, a first-stage inerter and a first-stage spring. The first-stage damper is connected with the first-stage inerter in series. The first-stage damper and the first-stage inerter which are connected in series are connected with the first-stage spring in parallel. The second-stage shock absorption structure comprises a second-stage damper, a second-stage inerter and a second-stage spring. The second-stage damper, the second-stage inerter and the second-stage spring are connected in parallel to form a second-stage spring, damper and inerter parallel connection integrated device. The locking control mechanism comprises an inerter braking locking piece which can be driven to lock thefirst-stage inerter, the rigidity of a suspension system is increased, and traveling safety and control stability are improved.
Owner:NORTHEASTERN UNIV

Electric vehicle chassis system and collaborative control method thereof

The invention discloses a collaborative control method of an electric vehicle chassis system and relates to the field of vehicle control. The collaborative control method is characterized in that a brake trigger signal, a wheel speed signal, a vehicle body vertical acceleration signal, a longitudinal acceleration signal, a lateral acceleration signal, a pitching angle signal, a heeling angle signal, a heading angle speed signal, a steering shaft input torque signal and a vehicle speed signal which are measured by sensors are transmitted to a collaborative controller, the collaborative controller monitors the running state of a vehicle and gives out control commands to an electro-hydraulic combined brake upper controller and an EPS (electric power steering)+ASS (active suspension system) centralized controller, the electro-hydraulic combined brake upper controller and the EPS+ASS centralized controller operate according to respective received sensor signals and collaborative controller commands, the electro-hydraulic combined brake upper controller controls in-wheel motors and hydraulic brake units by coordinating a motor controller and an ABS (anti-lock braking system) controller, and the EPS+ASS centralized controller directly controls power-assisting motors and actuators. The collaborative control method of the electric vehicle chassis system has the advantages that the conflict under a subsystem coupling condition is reduced and the overall performance of the electric vehicle chassis system is improved.
Owner:BEIJING UNIV OF TECH

Energy storage suspension with left suspension and right suspension being communicated

The invention relates to vehicle suspensions, in particular to an energy storage suspension. A left suspension and a right suspension of the energy storage suspension are connected through a cross bar, and an inerter is used in the energy storage suspension. According to the energy storage suspension with the left suspension and the right suspension being communicated, the upper end of a left wheel vibration isolator and the lower end of a left vehicle body vibration isolator are coaxially hinged to the left end of the cross bar, the upper end of the right wheel vibration isolator and the lower end of the right vehicle body vibration isolator are coaxially hinged to the right end of the cross bar, and the cross bar is hinged to the middle portion of a suspension beam and is capable of rotating around a middle hinge shaft. By means of the beam which is connected with the left suspension and the right suspension, all the static loads of the vehicle body act on the left wheel vibration isolator and the right wheel vibration isolator, and thus the technical defect that the inerter is easy to puncture under the action of the vehicle body loads is overcome. By means of the vehicle body vibration isolators, the lower frequency peak of the vehicle body vertical acceleration is restrained. By means of the wheel vibration isolators, the high frequency peak of tyre dynamic loads is restrained. By means of the cross bar which are connected with the left suspension and the right suspension, the stress interaction of the left suspension and the right suspension is reduced, lateral incline of the vehicle body is reduced, therefore, the steering stability ofe the vehicle is improved, and the purposes that people sit in the vehicle comfortably and a driver drives safely are achieved.
Owner:JIANGSU UNIV

Valve control type semi-active oscillating damper

The invention provides a valve control type semi-active oscillating damper. The valve control type semi-active oscillating damper comprises an oil cylinder component and an extra-cylinder component which is positioned on the outer side of the oil cylinder component, wherein the oil cylinder component comprises a guide bearing, an oil cylinder and a bottom valve seat which are fixedly connected with one another in turn; an oil storage tank is arranged outside the oil cylinder, and a piston and a piston rod are arranged in the oil cylinder; the extra-cylinder component comprises a first switching valve, a second switching valve, a two-position three-way valve, a proportional overflow valve, a throttling valve, a throttling overflow valve, a body acceleration sensor and a controller; the body acceleration sensor is used for detecting the acceleration of a body, outputting a signal and transmitting the signal to the controller; and the controller is used for controlling the energization and de-energization states of the first switching valve, the second switching valve and the two-position three-way valve, and controlling the current intensity of the proportional overflow valve at the same time. The valve control type semi-active oscillating damper is simple in structure, can make real-time responses and provide a continuously adjustable damping force according to the state of a train during operation, and can be simply and reliably controlled.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

Honeycomb-distribution-type intelligent safety wheel with adjustable rigidity damping and working method of wheel

The invention discloses a honeycomb-distribution-type intelligent safety wheel with adjustable rigidity damping. The wheel is mainly composed of a honeycomb-type mesh-shaped inner tire, an outer tirewith a wire, magnetorheological fluid, a hub, a self-adaption controller and a monitoring unit. The honeycomb-type mesh-shaped inner tire is adopted for replacing an inner inflation tire of a traditional wheel and filled with the magnetorheological fluid, the outer wire wraps the hub, the power-on wire is embedded in the outer tire of the wheel, and the self-adaption controller senses the externalenvironment and the vehicle body state in real time through the monitoring unit and controls the current magnitude for generating magnetic fields different in intensity; under interference of the external magnetic field, the physical characteristics of the magnetorheological fluid filling the inner tire are changed, so that the rigidity damping of the whole wheel is changed, the rigidity dampingof the wheel is automatically adjusted under different driving working conditions, the smoothness of vehicle driving is improved, through the honeycomb-type mesh-shaped inner tire structure, the driving safety is effectively considered, and the danger of the flat tire accident is reduced.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Automobile seat

ActiveCN103625322AEasy to storeImprove ride comfortSeat framesDismountable/non-dismountable seatsPersonalizationEngineering
An automobile seat comprises a first seat and two second seats which are independently arranged on the two sides of the first seat. Each second seat comprises a seat skeleton, a back skeleton, folders, a lateral sliding mechanism and a turnover articulated mechanism, wherein the folders are connected between the seat skeletons and the back skeletons, and the back skeletons can be folded forwards relative to the seat skeletons through the folders in a turnover mode. Each lateral sliding mechanism comprises a first sliding part and a second sliding part which can slide toward the outer side of the first seat relative to the first sliding part. The second seats can slide relative to the first seats through the lateral sliding mechanisms. Each turnover articulated mechanism comprises a first articulated arm and a second articulated arm, wherein the first articulated arm is fixedly connected with one second sliding part, the second articulated arm is fixedly connected with one seat skeleton, and the first articulated arm and the second articulated arm are hinged. The second seats can be folded to be in a vertical state relative to the first seat through the turnover articulated mechanisms in a turnover mode. The automobile seat can achieve the effect that one seat can meet personalization requirements of different crowds.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1

Novel passive suspension comprising inertial container

The invention discloses a novel passive suspension comprising an inertial container. The novel passive suspension is characterized by comprising a supporting spring (1), an auxiliary damper (2), the inertial container (3), a main damper (4) and an auxiliary spring (5); the auxiliary damper (2) and the inertial container (3) are connected in series to form a low-frequency vibration filtering device; the auxiliary spring (5) and the main damper (4) are connected in parallel to form a high-frequency vibration filtering device; the low-frequency vibration filtering device and the high-frequency vibration filtering device are connected in series to form a full-frequency vibration filtering device; the full-frequency vibration filtering device is connected with the supporting spring (1) in parallel; the upper end of the parallel structure is hinged to a vehicle body, and the lower end of the parallel structure is hinged to wheels. The novel passive suspension can buffer and attenuate impact of a concave-convex road surface at a high-frequency band and a low-frequency band so that a vehicle can adapt to the road surface with full-frequency vibration, the riding comfort of the vehicle can be effectively improved, and the influence of unevenness of the road surface on the vehicle body can be reduced.
Owner:RES INST OF ZHEJIANG UNIV TAIZHOU

Method, device and equipment for vehicle shifting

ActiveCN110067853ARealize the shifting processImprove ride comfortGearing controlEngineeringLag time
The invention relates to a method, device and equipment for vehicle shifting. According to the method for vehicle shifting, when a shifting request is received, a rotating speed difference value of agearbox output shaft and a rotating speed change rate of the gearbox output shaft are acquired; estimated time is determined according to the rotating speed difference value and the rotating speed change rate; whether the estimated time is greater than preset lag time is judged; if the estimated time is not greater than the lag time, gear shifting is carried out according to the gear shifting request; if the estimated time is greater than the lag time, a current vehicle speed is acquired; whether the current vehicle speed is smaller than a preset vehicle speed of a gear shifting point is judged; if the current vehicle speed is smaller than the vehicle speed of the gear shifting point, a current gear is maintained; if the vehicle speed is not less than the vehicle speed of the gear shiftingpoint, a vehicle wheel end torque is acquired; and whether to perform gear shifting according to the gear shifting request is judged based on the wheel end torque. According to the method, device andequipment, the lag time is taken as a judgment condition and the wheel end torque is taken as an upshift limit requirement, so that the gear shifting process is completed in advance, and the gear shifting smoothness is improved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Method for adjusting automobile seat headrest with protection function

InactiveCN105235561AAvoid harmImprove ride comfortVehicle seatsAutomobile safetyActive safety systems
The invention discloses a method for adjusting an automobile seat headrest with a protection function. The method comprises the following steps: firstly, a control module electrically connected with a cylinder is directly communicated with an automobile active safety system; when a distance of a vehicle behind to the present automobile is within a dangerous value range, the control module directly transmits a command to the cylinder so that an adjusting rod drives a head plate to move forwards, leading to that a supporting portion of the headrest gets close to the head of a passenger; in the movement process of the head plate, a fixed block is mounted on the adjusting rod and a connecting rod A, a connecting rod B and a connecting rod C are arranged on the fixed block, a bottom surface of the head plate and an inner sidewall of the frame, whereby the movement of the head plate is supported by the inner walls of the two sides of the frame and the fixed block simultaneously; when a distance of the vehicle behind to the present automobile is within a safe value range, the control module directly controls the cylinder to retract and the head plate directly falls into a rectangular groove so that the head of the passenger and the supporting portion of the head rest return, and therefore, synchronization of headrest protection and the automobile safety system is realized.
Owner:成都云科新能汽车技术有限公司

Hybrid power vehicle driving system capable of realizing single-motor two-gear driving

The invention aims to provide a hybrid power vehicle driving system capable of realizing single-motor two-gear driving. The hybrid power vehicle driving system comprises an engine, a planetary gear mechanism, a synchronizer and a first motor; the planetary gear mechanism comprises a sun wheel fixedly connected with a transmission shaft of the engine, an outer gear ring connected with a brake, a planet carrier connected with the outer gear ring through a clutch and a planetary gear; the synchronizer is fixedly connected onto an intermediate shaft; the two sides of the synchronizer are meshed with a first gear and a second gear separately; the first gear and the second gear are sleeved on the intermediate shaft in a separated manner; the outer gear ring and the planet carrier are coaxially and fixedly connected with a third gear and a fourth gear separately; the third gear and the fourth gear are meshed with the second gear and the first gear separately; a fifth gear and a sixth gear arefixedly connected with the intermediate shaft and the transmission shaft of the first motor separately and are meshed with a differential mechanism gear and the first gear fixedly connected onto a differential mechanism. Under the pure electric drive mode, the hybrid power vehicle driving system can form two speed ratios, more structures are not needed, and the hybrid power vehicle driving systemhas the ECVT function.
Owner:DONGFENG MOTOR CORP HUBEI
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