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63results about How to "Ensure driving comfort" patented technology
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Smart self-adaptive cruise control method
InactiveCN105172791AEnsure driving comfortImprove securityExternal condition input parametersCruise controlSafety control
The invention discloses a smart self-adaptive cruise control method. The smart self-adaptive cruise control method comprises acquiring vehicle running information and road information by a self-adaptive cruise system, determining the coefficient of road adhesion according to the road information, calculating safety control parameters of a vehicle according to the coefficient of road adhesion and the vehicle running information, and regulating set vehicle control parameters according the safety control parameters to achieve smart cruise control of the vehicle. The smart self-adaptive cruise control method incorporates conditions of road adhesion into a control strategy by adding road identification information, system control parameters can be regulated according to road condition in real time, accuracy of control and safety of a running vehicle can be effectively raised on the premise of driver's driving comfortableness.
Owner:DONGFENG MOTOR CORP HUBEI
Intelligent water draining system of urban roads
An intelligent water draining system of urban roads is applied to road surfaces and a water well. The intelligent water draining system of the urban roads comprises a water draining well lid, a hydraulic device and a pressure sensor. The water draining well lid comprises a fixed well lid and a movable well lid. The fixed well lid is fixedly inset into the road surfaces, the hydraulic device is fixed on the side wall of the water well and is connected with the movable well lid, the hydraulic device is electrically connected with the pressure sensor, and the pressure sensor is arranged on the fixed well lid. According to the intelligent water draining system of the urban roads, the degree of opening of the water draining well lid can be controlled according to the depth of surface gathered water, and the purpose of draining water fast is achieved. The water flowing volume of a water well lid is controlled according to the road surface rain volume, rain water can be effectively drained to the water draining system to reduce the surface gathered water, and riding comfort and pedestrian safety in sunny days or days with small amount of rain can be guaranteed. The intelligent water draining system is arranged under the road surfaces, so that the intelligent water draining system is not damaged by people easily.
Owner:SHAOXING UNIVERSITY
Method and system for recycling sliding energy of automobile
The invention discloses a method and a system for recycling sliding energy of an automobile. The method comprises the following steps of: calculating the initial feedback torque of a motor according to the current speed and the set sliding deceleration of the automobile; calculating constraint feedback torque of a battery according to the temperature and the charge state of the battery; calculating constraint feedback torque of the motor according to the rotating speed of the motor; and finally, selecting one of the initial feedback torque, the constraint feedback torque of the battery and the constraint feedback torque of the motor, which has the smallest absolute value, as the final feedback torque of the motor, and recycling the sliding energy of the automobile by using the finally feedback torque of the motor. Compared with the prior art, the method has the advantages that: driving comfortableness can be ensured, and the sliding energy can be recycled to the greatest extent.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Highway tunnel ventilation feedforward control method based on environmental forecasting
InactiveCN105569707AUncertainGuaranteed Operational PolicyMining devicesTunnel/mines ventillationControl systemFuzzy control system
The invention provides a highway tunnel ventilation feedforward control method based on environmental forecasting. The method comprises steps as follows: sensors in a tunnel collect CO / VI concentration and instant information of traffic flow in the tunnel and transmit the CO / VI concentration and the instant information to a monitoring center computer; the traffic flow of the n time period is substituted into a tunnel traffic flow data predication model, and the traffic flow of the (n+1) time period is predicated; theoretical values of the CO / VI concentration in the n time period and the (n+1) time period are obtained through calculation; a predicated increment of the CO / VI concentration is calculated according to an actually measured CO / VI concentration value as well as the theoretical values of the CO / VI concentration in the n time period and the (n+1) time period; the predicated increment of the CO / VI concentration is input into a fuzzy controller, and the number of changed fans is obtained through processing and calculation of the fuzzy controller and is taken as a controlled variable to be output to a site area controller; the site area controller controls the fans to be started or stopped according to the controlled variable. With the adoption of the method, optimal operation of the tunnel ventilation control system is realized, and traffic safety is guaranteed.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
Automatic control system and automatic control method for scraper knife of hydraulic bulldozer
ActiveCN102330442AIncreased depth of cutSoil cut depth reducedMechanical machines/dredgersAutomatic controlControl system
The invention discloses an automatic control method for a scraper knife of a hydraulic bulldozer. The automatic control method comprises the steps of acquiring the rotating speed of a turbine under the current accelerator state, and keeping the scraper knife at the current position when the rotating speed of the turbine is within a first preset range under the accelerator state; descending the scraper knife and increasing the soil cutting depth when the rotating speed of the turbine is higher than the maximum rotating speed of the turbine in the first preset range, and stopping the descendingaction of the scraper knife until the rotating speed of the turbine is reduced within the first preset range; and ascending the scraper knife and reducing the soil cutting depth when the rotating speed of the turbine is lower than the maximum rotating speed of the turbine in the first preset range, and stopping the ascending action of the scraper knife until the rotating speed of the turbine is reduced within the first preset range. The invention can realize the automatic control on ascending and descending of the scraper knife by taking the relationship between the rotating speed of the turbine and the first preset range as judgment basis for whether the scraper knife is ascended or descended, thus improving the production efficiency and operation quality of the traditional bulldozer, and lightening the labor intensity of a driver.
Owner:SHANTUI CONSTR MASCH CO LTD
Automotive regenerative damping apparatus
InactiveCN101804774AEnsure driving comfortMaintain dampingInterconnection systemsResilient suspensionsElectricityElectric generator
The present disclosure relates a regenerative damping apparatus for a vehicle utilizing an electric generator. An object of the present disclosure is to provide a separate regenerative damping apparatus for a vehicle in which a motion due to the vibration and / or the shock generated while the vehicle is driven is converted into a rotational motion, so as to provide a regenerative damping apparatus for the vehicle in which an electric generator is allowed to regenerate the energy which would be lost, thereby capable of reducing the noise to be generated and maintaining the driving comfort of the vehicle and / or the damping performance due to its shock absorber. In order to achieve the above object, the regenerative damping apparatus for a vehicle according to the present disclosure comprises a suspension link having one end mounted to a road wheel; and an electric generator fixed to a vehicle body with the other end of the suspension link is connected to the electric generator, thereby generating electricity by means of the rotation of the suspension link.
Owner:HL MANDO CORP
External control variable displacement compressor torque compensating method and system
ActiveCN103696954ATorque real-time compensationHigh precisionPump controlPositive-displacement liquid enginesArea networkBench test
The invention discloses an external control variable displacement compressor torque compensating method and system. The method includes enabling an electronic injection EMS to collect an engine revolution signal to determine the current engine revolution value, connecting an air conditioner electronic control unit (ECU) through controller area network (CAN) communication to determine current control current of an external control variable displacement compressor and refrigerant pressure value, utilizing an internal MAP to obtain current torque value through a table look up method, and achieving real-time compensation of the whole automobile torque by adjusting parameters like oil injection quantity according to torque value required to be compensated. By means of a whole automobile and bench test method, the refrigerant pressure, control current of the external control variable displacement compressor, the engine revolution and the compressor torque are correlated, real-time compensation is conducted on the external control variable displacement compressor torque of a whole automobile, the external control variable displacement compressor torque compensation accuracy can be improved, and power output of the whole automobile and driving and taking comfort can be ensured.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Active steering bogie for railway vehicles using leverage
ActiveCN101588952AReduce weightImprove maintainabilityBogiesWheel axle self-adjustmentsBogieSteering wheel
Owner:KOREA RAILROAD RES INST
Detection method of track smoothness
InactiveCN106192632AImprove riding performanceSmall difference between dynamic and static valuesMeasuring apparatusDerailmentEngineering
The invention discloses a detection method of track smoothness, pertaining to the technical field of track fault detection. A vertical track is uneven in terms of height, level, torsion, surfaces and short waves as well as vertical periodicity formed during rolling and straightening of steel rails. A transverse track is uneven in terms of direction, distance, and transverse periodicity formed during rolling and straightening of steel rails. Composite unevenness is termed when vertical and transverse unevenness coexists within a certain range of tracks. Geometric deviations formed by those at curve ends, positions near to curve point of curve to spiral, points of spiral to tangent, ultra-high, versine, non-uniform or non-compatible gauge downslope starting points and ending ports and geometric deviations formed by curve point of curve to spiral and points of spiral to tangent give rise to composite unevenness. The service lifetime and maintenance period of tracks and vehicle parts are long. Vehicle vibration and track noises are reduced. Smoothness, comfortableness and good safety are obtained. The possibility of train derailment is reduced.
Owner:合肥德泰科通测控技术有限公司
Method for lap jointing of longitudinal cold joints of asphalt concrete pavement
The invention discloses a method for lap jointing of longitudinal cold joints of an asphalt concrete pavement. The method comprises the steps of breaking away the edge of a semi-range pavement laid in advance, tack coat brushing at a lap-joint joint part, latter semi-range pavement paving and mixture lap jointing, manual shaping of the joint part, joint initial pressing, normal grinding of a newly-laid semi-range pavement and joint pavement roughness treatment. The method for treating the longitudinal cold joints is reliable and convenient to use and achieves easy construction.
Owner:CCCC TUNNEL ENG
Safe automobile part steering wheel
InactiveCN107323516AEasy to viewAvoid affecting useAcoustic signal devicesAnti-theft devicesKey pressingInfrared
The invention discloses a safe auto parts steering wheel, which comprises a heating block, a heat transfer strip, a wheel rim, an anti-skid cover, a bracket, an alarm, a horn button, a fingerprint anti-theft lock, a heart rate tester, a ventilation fan, a timer, a display screen and infrared rays A detection light, a heating block is arranged in the rim, and the heating block is connected with the heat transfer strip, and the heat transfer strip is arranged inside the rim, and a bracket is provided in the middle part of the rim, and a control switch is provided on the bracket, and a control switch is provided on the rim. There is a non-slip cover, horn buttons and fingerprint anti-theft locks on the bracket, a heart rate tester on the rim, an alarm on the bracket, a ventilation fan embedded in the bracket, a timer on the bracket, and a timer on the bracket. The display screen is provided with an infrared detection lamp on the support, and a mirror is attached on the support. The invention has various functions, avoids freezing of hands to affect driving, improves driving safety and driving comfort, avoids fatigue driving, ensures driving effect and safety, has simple structure, is convenient to use, and is beneficial to popularization.
Owner:洪飞飞
Method for selecting and switching working points of range extender
ActiveCN111775724AReduce the burden onLow costSpeed controllerOperating modesData miningMechanical engineering
The invention provides a method for selecting and switching working points of a range extender, which belongs to the field of range extender control. The method comprises the steps of establishing a universal characteristic diagram of the range extender comprising a plurality of range extender parameter data; establishing a corresponding relation table between each target optimization parameter and the range extender power, the range extender rotating speed and the vehicle speed, wherein the target optimization parameters comprise range extender noise and range extender oil consumption; determining a corresponding target optimization parameter according to the vehicle speed and / or the power demand of the range extender; searching a plurality of corresponding range extender rotating speedsin a corresponding relation table corresponding to the target optimization parameter to obtain a plurality of pre-selected working points expressed by range extender power and the range extender rotating speed; determining priorities of the range extender parameters after the target optimization parameters is removed according to the vehicle speed and / or the range extender power; comparing range extender parameters corresponding to the plurality of pre-selected working points in the universal characteristic diagram; and selecting an optimized working point of the range extender according to the priorities and the comparison result. According to the invention, a proper working point can be accurately selected.
Owner:ZHEJIANG GEELY NEW ENERGY COMML VEHICLES CO LTD +2
Automobile window intelligent adjustment system and control method thereof
ActiveCN103556901BEnsure driving comfortReduce labor intensityPower-operated mechanismElectric/fluid circuitCar drivingControl system
The invention provides an automobile window intelligent regulating system and a control method thereof. The automobile window intelligent regulating system comprises multiple automobile window units and an environment perception control system, wherein each automobile window unit comprises an automobile window, an automobile window driving mechanism and an automobile window controller; the environment perception control system is used for collecting environment information and emitting an automobile opening / closing signal for controlling the automobile windows of the multiple automobile window units to be opened and closed according to collected environment information and a preset control strategy, and the environment information comprises air quality information inside an automobile, air quality information outside the automobile, rainfall information and / or sunshine information; the automobile window controllers of the multiple automobile window units are configured for receiving the automobile opening / closing signal emitted by the environment perception control system so as to control corresponding automobile driving mechanisms, and thus corresponding automobile windows can be driven to open and close by the corresponding automobile driving mechanisms. In addition, the invention also provides the control method used for the automobile window intelligent regulating system.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1
Panoramic electronic rearview mirror capable of eliminating visual blind area of automobile
ActiveCN112896051AReasonable and reliable structureEliminate visual blind spotsOptical viewingImaging processingDriver/operator
The invention discloses a panoramic electronic rearview mirror capable of eliminating a visual blind area of an automobile. The rearview mirror comprises a rearview mirror shell, a button, a lens, an abutting block, a protrusion, a sound amplification hole, a protruding shaft, a through hole, a screw rod, a connecting shaft, a mounting handle, a wiring hole, an upper opening, a fixing shaft, a rotary knob, a pressing block, a lower opening, a mounting connector, a mounting block, a wiring groove, a threaded hole, a mounting plate, an image acquisition module, an image analysis module, an image processing module, a voice control module, a screw, a panoramic display screen, an image control module, a driving display screen, a vehicle body, an outside rear-view mirror, a high-definition camera and a panoramic camera. The invention has the beneficial effects that the panoramic camera is adopted for shooting the rear part of the vehicle, the observation blind area of the rearview mirror is eliminated, the following distance and the vehicle speed of the rear vehicle are detected, the feasibility can be automatically judged when the vehicle changes the lane, a driver can conveniently and quickly judge whether the vehicle changes the lane or not, while the comfort of the driver is ensured, safety guarantee can also be brought to driving.
Owner:广州融盛科技有限公司
Transformation method applicable to spandrel structure of two-way curved arch bridge
InactiveCN110130233AImprove structural integrityEfficient deliveryBridge erection/assemblyBridge strengtheningCrack resistanceFull bridge
The invention discloses a transformation method applicable to a spandrel structure of a two-way curved arch bridge. The transformation method comprises the steps that after the spandrel structure is removed, the two-way curved arch bridge is provided with an arch bridge open-spandrel segment and an arch crown filled-spandrel segment, a cross partition wall of the arch bridge open-spandrel segmentand a cross partition wall of the arch crown filled-spandrel segment are subjected to jointing, supporting seats are placed on the cross partition walls, steel bottom formworks are hoisted onto the supporting seats, a plurality of shear studs are welded onto the inner sides of the steel bottom formworks, the shear studs and a laid double-layer reinforcement mesh are welded into the whole, and theends of the shear studs are fixedly connected with the arch crown filled-spandrel segment through rebars; concrete is poured at the arch crown filled-spandrel segment; and concrete carriageway platesare overall poured on the whole bridge at a time. According to the transformation method, the bearing ability of the carriageway plates is effectively improved, the crack resistance of the carriagewayplates is improved, thus traveling comfort and durability are improved, connecting between the carriageway plates and a main arch ring is improved, thus the horizontal load on a bridge deck is effectively transmitted to the main arch ring, the construction steps are easy, convenient and orderly, and the transformation method has the quite high practicality and wide applicability.
Owner:中铁桥隧技术有限公司
Power control method and device for intelligent car
InactiveCN108674409ASave powerImprove driving comfort performanceHybrid vehiclesExternal condition input parametersDrive wheelBattery charge
The invention discloses a power control method and device for an intelligent car. Power distribution modes of an engine are switched by detecting the battery charge state and demand torque parameters,thus the driving comfort of the intelligent car can be optimized, the power performance of the car is maintained, and the purposes of energy conservation and emission reduction are achieved; the working state of the engine is controlled according to the running power of the intelligent car, and thus the running time of the intelligent car can be prolonged under the premise of saving the power ofthe intelligent car; the climbing angle of the car is obtained, the minimum traction force numerical value required by climbing is calculated and generated according to the climbing angle of the intelligent car and the gravity of the intelligent car, then power output of a car engine controller is controlled through the traction force numerical value, and thus power output of the intelligent car can be flexibly controlled during uphill of the car; and the torque of the engine is adjusted according to acceleration parameters and the rotating number of a driving wheel of the intelligent car, thus the car can be prevented from excessive wasting power output under the sliding state, and energy is saved.
Owner:NANTONG SCI & TECH VOCATIONAL COLLEGE
Method and device for adjusting torque of vehicle
ActiveCN111098843AImprove driving comfort performanceEnsure driving comfortHybrid vehiclesSpeed controllerMaximum torqueControl theory
The invention discloses a method and device for adjusting the torque of a vehicle. The vehicle comprises a first power source and a second power source. The method comprises steps that the first torque outputted by the first power source is obtained; if the first torque is greater than the maximum torque outputted by the first power source, the torque change rate of the second power source is determined as a first rate; if the first torque is smaller than or equal to the maximum torque outputted by the first power source, the torque change rate of the second power source is determined as a second rate; the first rate is smaller than the second rate, namely, when the first torque outputted by the first power source does not reach the maximum torque outputted by the first power source, the change rate of the torque output by the second power source is increased so as to increase the gear shifting speed; when the first torque outputted by the first power source reaches the maximum torqueoutputted by the first power source, the change rate of the torque outputted by the second power source is decreased to optimize the driving comfort, and the driving comfort of the vehicle can be guaranteed on the premise that the gear shifting time is proper.
Owner:SAIC MOTOR
Auxiliary dashboard structure and automobile
PendingCN108275082AImprove convenienceImprove comfortBatteries circuit arrangementsVehicle arrangementsDashboardElectricity
The invention provides an auxiliary dashboard structure and an automobile and relates to the technical field of automobiles. The auxiliary dashboard structure includes a first functional table mountedin an automobile cab and a second functional table positioned above the first functional table, a first storage box and a wireless charging device are arranged on the first functional table, the second functional table is provided with a second storage box and a gear part, the wireless charging device comprises a fixing piece and a wireless charging base electrically connected with an automobilestorage battery, and the wireless charging base, the fixing piece and the first functional table are fixedly connected with one another in sequence. The auxiliary dashboard structure has the advantages that the distribution design of the wireless charging base in the automobile cab is reasonable.
Owner:GUIAN NEW DISTRICT XINTE ELECTRIC VEHICLE IND CO LTD
Multifunctional automobile seat adjusting handle convenient to assemble and disassemble
InactiveCN102991383AAchieve universalPrevent arbitrary adjustmentVehicle seatsPedestrian/occupant safety arrangementMechanical engineeringMultiple function
The invention relates to a multifunctional automobile seat adjusting handle convenient to assemble and disassemble, which is used for adjusting the front and back of an automobile seat and the inclination angle of a backrest. The multifunctional automobile seat adjusting handle comprises an adjusting handle installation head and an adjusting handle body, wherein the adjusting handle installation head is assembled with a fixedly connected rotary structural part on the automobile seat and is of a structure with an empty cavity communicated with the adjusting handle body; symmetric clamping jaws are arranged in the inner cavity and installed on the inner wall of the handle installation head through clamping jaw rotating shafts; the front ends of the two clamping jaws are connected with each other through a clamping jaw spring; and clamping jaw penetrating holes matched with the clamping jaws are also formed in the side wall of the adjusting handle installation head. The multifunctional automobile seat adjusting handle disclosed by the invention not only can prevent other people from freely adjusting the seat and ensure the riding comfort of an automobile, but also integrates other auxiliary functions; and furthermore, the multifunctional automobile seat adjusting handle is universal among different seats and has wide application prospect.
Owner:TIANJIN BOXIN AUTOMOBILE PARTS
Intelligent water draining system of urban roads
Owner:SHAOXING UNIVERSITY
Method and system for recycling sliding energy of automobile
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Braking control method and system of switching value braking pedal, and vehicle
ActiveCN108248391AEnsure safetyEnsure driving comfortSpeed controllerElectrodynamic brake systemsBrake torqueBrake control
The invention discloses a braking control method and system of a switching value braking pedal and further discloses a vehicle comprising the braking control system. The method comprises the steps that when a driver operates the braking pedal, the time duration of stamping on the braking pedal by the driver is obtained, and according to the time duration, the depth delta of the braking pedal is determined; the maximum permitted braking power of all parts of the current vehicle is obtained, and the minimum value in the maximum permitted braking power of all the parts is determined to the real-time maximum permitted braking power P<max>; and according to the depth delta of the braking pedal, the real-time maximum permitted braking power P<max> and the actual motor rotating speed, braking torque T<target> is obtained, and according to the depth delta of the braking pedal and the braking torque T<target>, the vehicle is controlled to be braked. According to the braking control method and system, the pedal braking behavior of a driver can be simulated, the braking intention of the driver is reflected, the reasonable braking torque distribution and vehicle safety of the vehicle are ensured, and the economical efficiency of the vehicle is ensured.
Owner:HUNAN CSR TIMES ELECTRIC VEHICLE
Vehicle with foot control balance system
InactiveCN107053990AFast driveNo bumpsFluid steeringResilient suspensionsCompression PumpSingle vehicle
A vehicle with a foot-controlled balance system relates to the technical field of vehicles, including a balance system and a vehicle. The balance system includes a left fluid buffer mechanism, a right fluid buffer mechanism, a synchronous converter, a tilt control converter, a steering gear, a foot Pedal device, fluid compression pump and fluid source, the fluid buffer mechanism on the left and the fluid buffer mechanism on the right are respectively connected to the output port of the synchronous converter through connecting pipes, the input port of the synchronous converter is connected to the tilt control converter through pipelines, and the tilting The control converter is connected with the steering gear through pipelines, the pedal device is connected with the steering gear, the fluid compression pump and the fluid source are connected with the steering gear through pipelines; the vehicle is a four-wheel bicycle. The invention makes the vehicle not too bumpy on the uneven ground, the foot control actively controls the balance of the vehicle, has quick response, good stability and comfort, and has the functions of anti-rolling and anti-rollover.
Owner:管中林
Damping-force-variable shock absorption assembly
The invention discloses a damping-force-variable shock absorption assembly. The damping-force-variable shock absorption assembly comprises a shock absorption spring and a damper assembly. The damper assembly comprises a damping cylinder and a piston assembly. The recovery damping force of the damper assembly can be adjusted, and a recovery damping force adjustment portion is exposed out of a shock absorber. The structure that the recovery damping force can be externally adjusted is adopted, the key performance parameter, namely, the recovery damping force, can be adjusted according to requirements for use environments such as different road conditions when the damping-force-variable shock absorption assembly is used, the dynamic application effect is achieved, the comfort and reliability of a whole vehicle are effectively improved, the adaptability of the whole vehicle to different road conditions is improved, and driving habits of different drivers are met.
Owner:CHONGQING LONCIN ENGINE
Inter-groove apron board for improving vortex vibration performance of double-amplitude bridge and double-amplitude bridge
ActiveCN113174836AReduced aerodynamic interference effectsReduce vertical incentiveBridge structural detailsStructural engineeringControl theory
Owner:TONGJI UNIV
Multifunctional automobile seat adjusting handle convenient to assemble and disassemble
InactiveCN102991383BAchieve universalPrevent arbitrary adjustmentVehicle seatsPedestrian/occupant safety arrangementEngineeringMechanical engineering
The invention relates to a multifunctional automobile seat adjusting handle convenient to assemble and disassemble, which is used for adjusting the front and back of an automobile seat and the inclination angle of a backrest. The multifunctional automobile seat adjusting handle comprises an adjusting handle installation head and an adjusting handle body, wherein the adjusting handle installation head is assembled with a fixedly connected rotary structural part on the automobile seat and is of a structure with an empty cavity communicated with the adjusting handle body; symmetric clamping jaws are arranged in the inner cavity and installed on the inner wall of the handle installation head through clamping jaw rotating shafts; the front ends of the two clamping jaws are connected with each other through a clamping jaw spring; and clamping jaw penetrating holes matched with the clamping jaws are also formed in the side wall of the adjusting handle installation head. The multifunctional automobile seat adjusting handle disclosed by the invention not only can prevent other people from freely adjusting the seat and ensure the riding comfort of an automobile, but also integrates other auxiliary functions; and furthermore, the multifunctional automobile seat adjusting handle is universal among different seats and has wide application prospect.
Owner:TIANJIN BOXIN AUTOMOBILE PARTS
Optimal setting method for road traffic deceleration facilities
InactiveCN111206466ALow costSimple structureTraffic signalsRoad signsCarriagewayStructural engineering
The invention provides an optimal setting method for road traffic deceleration facilities. The optimal setting method comprises the steps that a deceleration roadblock is arranged along the boundary of a passing lane; the deceleration roadblock comprises an inlet water horse, a middle isolation section water horse and an outlet water horse which are sequentially arranged in the longitudinal direction of the boundary, the inlet water horse and the outlet water horse serve as roadblocks for closing traffic, and the middle isolation section water horse serves as an isolation roadblock. The inletwater horse, the middle isolation section water horse and the outlet water horse are sequentially arranged in a staggered mode and form a decelerated driving route, and therefore vehicles can be guided to drive in a decelerated mode. According to the optimal setting method of the road traffic deceleration facility, the vehicle can be reminded, warned and guided to run according to the expected route, on the basis that the running safety and comfort are guaranteed, a driver can actively reduce the vehicle speed, and therefore the running safety of the vehicle is effectively improved.
Owner:FOSHAN UNIVERSITY
Hybrid power transmission
PendingCN111572330ALow costAvoid power outagesHybrid vehiclesGas pressure propulsion mountingGear wheelElectric machinery
The invention discloses a hybrid power transmission which at least comprises an input shaft and an output shaft which are arranged in parallel. The input shaft and the output shaft are in transmissionconnection through a gear pair I and a gear pair II, and the output shaft is further provided with a differential mechanism in transmission connection with the output shaft. An auxiliary motor and amain driving motor are further included, the auxiliary motor is mechanically and directly connected with the engine, and electric power is transmitted to the differential mechanism through the gear pair II; and the main driving motor is directly connected with the differential mechanism and transmits the electric power to the differential mechanism, and the auxiliary motor and the main driving motor are high-speed, efficient and long-wheelbase motors with the same wheelbase. The hybrid power transmission has advantages that cost is reduced, a double-shaft design is adopted to reduce an axial occupied space of the gear pair, the auxiliary motor is mechanically and directly connected to the engine to provide inertia needed by the engine, and a damping disc is used in cooperation to reduce anaxial occupied space.
Owner:吉泰车辆技术(苏州)有限公司
The method of using prestress to improve the integrity and durability of hollow slab frame bridge
ActiveCN105297612BReduce tensile stressReduce penetrationBridge structural detailsBridge erection/assemblyCrack resistanceReinforced concrete
The invention discloses a method for improving the integrality and the durability of a hollow slab frame bridge by adopting prestressing force. The method comprises the following steps: top-slab longitudinal prestressing tendons are arranged at a positive bending region of a multi-hole or single-hole top slab of the hollow slab frame bridge in the traveling direction of the top slab, and bottom-slab longitudinal prestressing tendons are arranged at a positive bending region of a multi-hole or single-hole bottom slab of the hollow slab frame bridge in the traveling direction of the top slab; when the ratio of a transverse span to a longitudinal span is greater than 0.5, top-slab transverse prestressing tendons are transversely arranged on the top slab, the top-slab longitudinal prestressing tendons are arranged at midspan straightly, the top-slab longitudinal prestressing tendons are arranged at two bent ends, or two layers of top-slab longitudinal prestressing tendons are respectively arranged at the upper edge and the lower edge of the top slab, and the top-slab transverse prestressing tendons are arranged straightly. According to the method disclosed by the invention, on the basis of a conventional common hollow slab frame bridge made of reinforced concrete, the prestressing tendons are arranged on the top slab, the bottom slab and in side walls according to the distributing situation of force in the frame bridge, so that the defects that a conventional structure is poor in crack resistance, durability, integrality and the like are overcome.
Owner:ZHEJIANG UNIV
Unmanned electric forklift
ActiveCN103419673BEnsure driving comfortSafe instant conversionSpeed controllerElectric devicesDrive wheelOperation mode
Owner:宝鸡赫威特机械科技有限公司
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