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75results about How to "Improve cornering ability" patented technology
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Speed control method for vehicle approaching and traveling on a curve
ActiveUS7400963B2Easy to manageReduce speedInstruments for road network navigationHand manipulated computer devicesSpeed control systemControl system
A vehicle curve speed control system (10) adapted for use with a vehicle (12) having an operator (14), includes a map database (16) representing a current vehicle path, and a locator device (20) communicatively coupled to the database (16) and configured to determine the location of the vehicle (12) on the path. The system (10) further includes a controller (36) configured to identify approaching curve points of a curve (18a) in terms of curvature or radius, and determine a desired speed profile based on operator preference and / or vehicle characteristic input. An acceleration profile is determined, based on the current vehicle speed, and desired speed profile. An acceleration / deceleration command at the present control loop is modified towards achieving an optimal curve speed, and is delivered to either a brake or acceleration module (40,42) to automatically accelerate or decelerate the vehicle (12) accordingly.
Owner:GM GLOBAL TECH OPERATIONS LLC
Speed control method for vehicle approaching and traveling on a curve
ActiveUS20070150157A1Optimal curve speedFacilitate automatic curve speed controlHand manipulated computer devicesVehicle fittingsControl systemSpeed control system
A vehicle curve speed control system (10) adapted for use with a vehicle (12) having an operator (14), includes a map database (16) representing a current vehicle path, and a locator device (20) communicatively coupled to the database (16) and configured to determine the location of the vehicle (12) on the path. The system (10) further includes a controller (36) configured to identify approaching curve points of a curve (18a) in terms of curvature or radius, and determine a desired speed profile based on operator preference and / or vehicle characteristic input. An acceleration profile is determined, based on the current vehicle speed, and desired speed profile. An acceleration / deceleration command at the present control loop is modified towards achieving an optimal curve speed, and is delivered to either a brake or acceleration module (40,42) to automatically accelerate or decelerate the vehicle (12) accordingly.
Owner:GM GLOBAL TECH OPERATIONS LLC
Self-adapting pipe robot
InactiveCN101319747AImprove carrying capacityCapable of stretchingPigs/molesEngineeringSelf adaptive
The invention discloses a self-adaptive conduit robot, relating to the field of robot technology, particularly relating to the field of technology about a robot used to test, clean and maintain conduits. The invention comprises a machine body. At least three sets of drive units are evenly arranged along the periphery of the machine body; a slide shaft is arranged on the periphery of the machine body, and both ends of the slide shaft are connected with the machine body respectively; a securing fitting is welded at the middle part of the slide shaft; two slide blocks are coated on the slide shafts on both sides of the securing fitting respectively. Two pressure springs are coated on the periphery of the slide shaft arranged between the securing fitting and the slide block; two reset springs are coated on the periphery of the slide shaft arranged at the outer side of the securing fitting. Both ends of each first connecting rod are connected with a slide block and a roller respectively, and both ends of a second connecting rod are connected with the end part of the slide shaft and the first connecting rod respectively. A power control device is arranged on each group of machine bodies. The invention has sound bearing capacity, and is applicable to conduit work under various environments; and high use value and easy assembly and disassembly are achieved.
Owner:SOUTHEAST UNIV
Drive power controller for hybrid vehicle
ActiveUS20050103551A1Improve cornering abilityGuaranteed uptimeSpeed controllerDigital data processing detailsPower controlWheel drive
A drive power from an engine is transferred to front wheel drive systems and rear wheel drive systems via a central differential. A torque distribution ratio between front and rear wheels defined by the central differential is set to one for the front wheels being made too much thereof, with a motor generator being coupled to the rear wheel drive systems. In response to detection signals from various sensors for detecting the running conditions, a drive power control unit controls the additional torque from the motor generator toward the drive torque or regenerative braking torque side, thereby changing the torque distribution ratio between the front and rear wheels. Thus, a degree of flexibility in making a change in the torque distribution between front and rear wheels or between right and left wheels is increased, thereby realizing an all-wheel drivable hybrid vehicle which provides further improved running performance.
Owner:SUBARU CORP
Tread having tread pattern elements formed of at least two rubber mixes
InactiveUS20050109436A1Corner performance be improveWell compromiseSpecial tyresInflatable tyresEngineeringRidge
A tire tread comprising: a plurality of elements in relief (rib and / or block) comprising a contact face intended to come into contact with the roadway during travel and lateral faces, the intersection of each lateral face with the contact face forming a ridge, a plurality of cutouts in the form of grooves and / or incisions, said cutouts being defined by opposing main faces, each tread pattern element being formed with at least one rubber mix (referred to as “base mix”), and characterized in that, viewed in section in a plane containing the thickness of this tread, at least one face defining at least one cutout is formed at least in part with a rubber mix, referred to as “covering mix”, the base mix having a grip on wet ground which is lower than the grip of the covering mix on the same ground.
Owner:MICHELIN RECH & TECH SA
Intelligent pipe inner wall walking robot
The invention discloses an intelligent pipe inner wall walking robot. The intelligent pipe inner wall walking robot comprises two machine bodies; the two machine bodies are connected through an universal joint; walking mechanisms and extension leg structures are respectively mounted at two unconnected ends of the machine bodies; in the working process, a WIFI module is remotely connected to control driving wheels; motors drive the driving wheels; the driving wheels drive the machine bodies to move in pipes; under the condition of meeting with curves, the rotating speeds of two driving wheel motors are adjusted, and the rotating speeds of the two wheels are asynchronous to realize curving; when the pipes suddenly change the diameters, the adaption to the pipe diameters is realized through extension mechanisms, specifically, the pressure is applied to the driving wheels and driven wheels by pipe walls, so that three machine legs are inwards gathered, and meanwhile, slide sleeves are driven to compress springs; and after normal pipe diameters are recovered, the springs push the slide sleeves to drive outward expansion of the machine legs so as to adapt to new pipe diameters. The intelligent pipe inner wall walking robot has the characteristics of simple structure, convenience and practicability.
Owner:XI'AN PETROLEUM UNIVERSITY
Pneumatic tire
ActiveUS20100224297A1Handling performanceImprove handlingInflatable tyresTyre tread bands/patternsRoad surfaceEngineering
A pneumatic tire according to the present invention includes blocks on its tread which are segmented by plural circumferential grooves 3 extending along a tire circumferential direction and plural lateral grooves 5 extending along a tread width direction. Circumferential sipes extending along the tire circumferential direction are provided in the blocks. Inside circumferential sipes extend straight along a tire radial direction and outside circumferential sipes extend along the tire radial direction in zigzag patterns. According to the present invention, a handling performance, especially, a cornering performance can be improved regardless of road surface conditions.
Owner:BRIDGESTONE CORP
Scaling of side-to-side torque bias to improve cornering in a programmable four wheel drive system
InactiveUS7455142B2Improve cornering abilityIncrease forceHand manipulated computer devicesDigital data processing detailsEngineeringControl theory
The present invention provides a method for improving cornering performance. From a given vehicle speed and lateral acceleration, in instances of a decrease in drive torque, individual wheel torque is shifted from inside wheels to outside wheels to increase vehicle yaw forces and counteract the understeer phenomenon. Similarly, in instances of increasing drive torque, individual wheel torque is shifted from outside wheels to inside wheels on a common axle to reduce vehicle yaw forces and counteract the oversteer phenomenon. Actual implementation of side-to-side torque shifting is done using a correction factor multiplied by other factors within a general torque shift equation.
Owner:HONDA MOTOR CO LTD
Rubber composition for tire and pneumatic tire
A rubber composition for tire and a pneumatic tire in which the rubber composition is used improve steering performance on snowy and icy roads as well as traction performance in the forward and backward directions while reducing the recycling and manufacturing cost. The rubber composition for tire contains from 0.5 to 12 parts by weight of paper relative to 100 parts by weight of a rubber component, and preferably further contains from 5 to 100 parts by weight of silica and from 2 to 15 parts by weight of short fiber relative to 100 parts by weight of the rubber component. The paper is newspaper waste. From 10 to 100 parts by weight of carbon black may further be contained relative to 100 parts by weight of the rubber component.
Owner:SUMITOMO RUBBER IND LTD
Pipeline robot for oil-gas pipeline and pipeline defect detecting and repairing method
ActiveCN112630229AImprove accuracyImprove reliabilityGrinding carriagesRevolution surface grinding machinesControl systemStructural engineering
The invention discloses a pipeline robot for an oil-gas pipeline and a pipeline defect detecting and repairing method. The pipeline robot comprises a walking assembly and a working assembly connected to the walking assembly. The working assembly comprises a rotating piece, a defect detection device fixedly connected to the rotating piece, a first driving device used for driving the rotating piece to rotate, a grinding head slidably connected to the rotating piece and a spray head. A dust collection device, a first induction device and a second induction device are further arranged on the rotating piece; the defect detection device comprises an infrared detection device and an image acquisition device; and a control system is further included. One of the technical problems that an existing pipeline robot flaw detection mode is difficult to apply to the oil-gas conveying pipeline is solved, and the purposes of reducing pipe wall oil contamination interference, improving the detection accuracy of the defects of the inner wall of the pipeline and directly spraying and painting the polished part after polishing are achieved.
Owner:SOUTHWEST PETROLEUM UNIV
Non-pneumatic tire
ActiveUS20160297244A1Improved tire performanceLateral force on resistNon-inflatable tyresTyresEngineeringMechanical engineering
Owner:BRIDGESTONE CORP
Reduced weight pneumatic tires
InactiveUS6260596B1Improve cornering abilityPneumatic tyre reinforcementsInflatable tyresMechanical engineeringEngineering
A pneumatic tire comprises at least one carcass ply of textile cords and a belt comprised of two cross belt layers containing textile cords arranged at a cord inclination angle of 10-45° with respect to the equatorial plane, in which a difference of cord inclination angle between the two cross belt layers with respect to the equatorial plane of the tire is within a range of 5-35° in the widthwise direction, and is mounted onto at least either left-side or right-side front wheel of a four-wheeled vehicle.
Owner:BRIDGESTONE CORP
Tire with component of rubber composition comprised of functionalized styrene/butadiene elastomer, silica and styrene/alpha methylstyrene resin
InactiveUS20050171267A1Improved wet tractionHigh modulusSpecial tyresRolling resistance optimizationElastomerSilicon dioxide
The invention relates to a tire having at least one component (e.g. tread) of a rubber composition comprised of a functionalized styrene / butadiene elastomer containing internal silanol and / or siloxy group(s) therein with pendent silanol and / or alkoxy groups of a polymodal (e.g. bimodal) molecular weight distribution and a dispersion therein of a synthetic amorphous silica (e.g. aggregates of precipitated silica) and styrene / alpha methylstyrene resin. In one aspect, said rubber composition may contain at least one additional diene-based elastomer. In another aspect, at least a portion of said synthetic amorphous silica may be in a form of pre-treated precipitated silica aggregates which have been pre-treated to reduce hydroxyl groups on their surface prior to blending with said functionalized styrene / butadiene elastomer.
Owner:ZANZIG DAVID JOHN +1
Pneumatic tire
ActiveUS20160297251A1Improve on-snow performanceImprove cornering performanceTyre tread bands/patternsEngineeringMechanical engineering
Owner:SUMITOMO RUBBER IND LTD
System and method for improving bend performance of self-adaptive cruise system
ActiveCN109552327AAvoid sudden accelerationImprove cornering abilityExternal condition input parametersSteering wheelSteering angle
The invention discloses a system and method for improving bend performance of a self-adaptive cruise system. The system for improving the bend performance of the self-adaptive cruise system comprisesan information sensing unit, an information decision unit and an information executing unit; the information sensing unit comprises a target detection module, a vehicle information monitoring module and a steering control monitoring module; the target detection module obtains motion state information of a vehicle and a preceding vehicle and road information; the vehicle information monitoring module obtains vehicle motion related information of the vehicle; the steering control monitoring module is used for obtaining whether a steering wheel of the vehicle has steering angle information; the information decision unit determines an expected accelerated speed, an expected speed and torque information of the vehicle according to information obtained by the information sensing unit; and the information executing unit comprises a vehicle speed control executing module and a steering control executing module and executes cornering longitudinal and cornering transverse control on the basis ofthe expected accelerated speed, the expected speed and the torque information which are output by the information decision unit. According to the system and method for improving the bend performanceof the self-adaptive cruise system, the safety, comfort and rapidness of the self-adaptive cruise system in the cornering process can be enhanced.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Vehicle adaptive steering control apparatus
ActiveUS20170282970A1Improve drivabilityReduce tire wearSteering linkagesMechanical steeringSteering wheelElectronic communication
A vehicle adaptive steering control apparatus includes a front wheel steering mechanism having a right wheel steering portion and a left wheel steering portion that are independently operable relative to one another. A load detection device measures a condition indicative of vehicle loads at one of the following: the left and right suspension structures and the front wheel steering mechanism. A controller in electronic communication with a steer-by-wire steering wheel assembly, the front wheel steering mechanism and the load detection device, calculates toe angle adjustments for each of the right wheel steering portion and the left wheel steering portion in response to determining a load on each of a left front wheel and a right front wheel based on signals from the load detection device. The controller further makes the toe angle adjustments via changes in turning and steering movements effected by the front wheel steering mechanism.
Owner:NISSAN MOTOR CO LTD
Cornering longitudinal vehicle speed control method and device of adaptive cruise system and computer-readable storage medium
ActiveCN109532835AAvoid sudden accelerationImprove cornering abilityExternal condition input parametersCruise speedField of view
The invention discloses a cornering longitudinal vehicle speed control method and device of an adaptive cruise system and a computer-readable storage medium. The method includes the steps that in response to the fact that a front vehicle tracked by a current vehicle is always kept in the field of view of the current vehicle, the cornering speed of the current vehicle is controlled to meet the formula V=Min (the speed of the tracked front vehicle, the corner speed limit value, and the set cruising speed of the current vehicle); in response to the fact that the front vehicle tracked by the current vehicle disappears and no new tracking target is recognized, the cornering speed of the current vehicle is controlled to meet the formula V=Min (the instant speed of the current vehicle when the front vehicle disappears, the corner speed limit value, the maximum cornering speed value of the current vehicle, and the set cruising speed of the current vehicle); in response to the fact that the front vehicle tracked by the current vehicle disappears and a new tracking target is recognized, the cornering speed of the current vehicle is controlled to meet the formula V=Min (the instant speed of the current vehicle when the front vehicle disappears, the corner speed limit value, the speed of the newly recognized tracking target, the maximum cornering speed value of the current vehicle, and theset cruising speed of the current vehicle). The method can improve the safety, comfort and rapidity of the adaptive cruise system in the cornering process.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Traction method and system for rail transportation
The invention relates to a traction method and a system for rail transportation. A soft elastic composite material is used as an elastic vibration-damping structure; a center pivot block is connected with a traction pin by an elastic nylon center pin sleeve, and the nylon sleeve with certain elasticity avoids the rigid shock between the center pivot block and the traction pin and simultaneously realizes the unconstrained rotation between the traction pin and the center pivot block when a vehicle makes a turning; two traction pads are respectively arranged in the front and at the back between the center pivot block and a bogie frame in the traction direction, the traction pads are rubber-metal compound elastic elements, two end plates of the traction pads are respectively provided with a connecting pin, and the connecting pin on the traction pad is directly inserted into a connecting hole for the center pivot block and the bogie frame; and the two traction pads connect the center pivotblock and the bogie frame, transfer traction force and brake force and buffer the shock load in transverse direction, vertical direction and other directions, so that the vehicle has better dynamicalperformance in operation.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH
Multi-cavity pipe for hole opening in partition wall for flexible transmission
PendingCN109821140AEffective long runControl temperature riseSurgeryCatheterRotation functionEngineering
The invention relates to a multi-cavity pipe for hole opening in a partition wall for flexible transmission. The multi-cavity pipe comprises a pipe body and is characterized in that at least two channel cavities distributed along the axis of the pipe body are formed in the pipe body, the channel cavities are separated from each other through the partition wall. Each channel cavity comprises a transmission cavity and at least one perfusion cavity, wherein the at least one perfusion cavity is communicated with the transmission cavity through at least one hole formed in the partition wall, a connecting driving flexible shaft which is used for transmitting the torque generated by a power source to a rotating functional piece penetrates through the transmission cavity, the power source is located at the near end of the connecting driving flexible shaft, and the rotating functional piece is located at the far end of the driving flexible shaft. The temperature rise inside a catheter can be effectively controlled, and the risk that particles and excessive perfusion fluid enter the human body and increase the burden of organs is reduced, so that the safe and effective long-term operation ofthe catheter is achieved.
Owner:杨礼瑾
Motorcycle tire for running on rough terrain
ActiveUS20120305154A1Improve the road gripImprove braking effectOff-road vehicle tyresMotorcycle tyresTerrainMotorcycle tyre
Owner:SUMITOMO RUBBER IND LTD
Vehicle adaptive steering control apparatus
ActiveUS20170282971A1Improve drivabilityReduce tire wearSteering linkagesMechanical steeringSteering wheelAckermann steering geometry
A vehicle adaptive steering control apparatus includes a front wheel steering mechanism having a right wheel steering portion and a left wheel steering portion. A left front wheel rotatably is coupled to the left wheel steering portion. A right front wheel rotatably coupled to the right wheel steering portion. A controller in electronic communication with a steer-by-wire steering wheel assembly and the front wheel steering mechanism operates the front wheel steering mechanism to turn the left front wheel and the right front wheel in accordance with Ackerman steering geometry. The controller is also configured to calculate toe angle adjustments for the right wheel steering portion relative to the left wheel steering portion and make the toe angle adjustments to right wheel steering portion and the left wheel steering portion during turning and steering movements effected by the right wheel steering portion and the left wheel steering portion.
Owner:NISSAN MOTOR CO LTD
Pneumatic Tire
ActiveUS20170232800A1Improve steering stabilityOptimizationTyre tread bands/patternsEngineeringTread
Owner:SUMITOMO RUBBER IND LTD
Tread having tread pattern elements formed of at least two rubber mixes
InactiveUS7311128B2Improve the mixing effectIncreased TgSpecial tyresInflatable tyresEngineeringTread
A tire tread includes a plurality of elements in relief (rib and / or block) having lateral faces, and a contact face intended to come into contact with the roadway during travel. The intersection of each lateral face with the contact face forms a ridge. The tread also includes a plurality of cutouts each defined by opposing main faces. Each tread pattern element is formed with at least one base mix. As viewed in section in a plane containing the thickness of this tread, at least one face defining at least one cutout is formed at least in part with a covering mix. The base mix exhibits a gripping action on wet ground which is lower than a gripping action of the covering mix on the same ground.
Owner:MICHELIN RECH & TECH SA
System for enhancing cornering performance of a vehicle equipped with a stability control system
ActiveUS20110054738A1Improve cornering abilityGuaranteed functionDigital data processing detailsSteering initiationsSteering angleControl system
A system for controlling a vehicle having a brake assembly for exerting braking force on at least one wheel on the basis of a number of control parameters is provided. The system has a vehicle stability control system configured to generate the control parameters as a function of a control quantity associated with the intensity of the braking force to be exerted on the wheels; and a vehicle handling enhancement system configured to calculate, in the presence of cornering acceleration of the vehicle, a reference vehicle yaw rate on the basis of at least the longitudinal velocity of the vehicle and the steer angle of the vehicle, and to adjust the control quantity to zero the difference between the actual yaw rate and the reference vehicle yaw rate.
Owner:FIAT GRP AUTOMOBILES
Vehicle adaptive steering control apparatus
ActiveUS10029728B2Reduce tire slippageReduce tire wearSteering linkagesMechanical steeringSteering wheelElectronic communication
Owner:NISSAN MOTOR CO LTD
Self-adapting pipe robot
InactiveCN100570200CImprove carrying capacityCapable of stretchingPigs/molesEngineeringSelf adaptive
The invention discloses a self-adaptive conduit robot, relating to the field of robot technology, particularly relating to the field of technology about a robot used to test, clean and maintain conduits. The invention comprises a machine body. At least three sets of drive units are evenly arranged along the periphery of the machine body; a slide shaft is arranged on the periphery of the machine body, and both ends of the slide shaft are connected with the machine body respectively; a securing fitting is welded at the middle part of the slide shaft; two slide blocks are coated on the slide shafts on both sides of the securing fitting respectively. Two pressure springs are coated on the periphery of the slide shaft arranged between the securing fitting and the slide block; two reset springs are coated on the periphery of the slide shaft arranged at the outer side of the securing fitting. Both ends of each first connecting rod are connected with a slide block and a roller respectively, and both ends of a second connecting rod are connected with the end part of the slide shaft and the first connecting rod respectively. A power control device is arranged on each group of machine bodies. The invention has sound bearing capacity, and is applicable to conduit work under various environments; and high use value and easy assembly and disassembly are achieved.
Owner:SOUTHEAST UNIV
Double-cylinder active shock absorber
InactiveCN104653687ACreate comfortImprove cornering performanceSpringsShock absorbersEngineeringElectromagnetic valve
The invention provides a double-cylinder active shock absorber. The other end of a compression valve component (9) at the tail of a round cylinder is communicated with a one-way valve (11) by virtue of an oil pipe; the one-way valve (11) is connected with an oil passage (5) in the round cylinder by virtue of a connecting oil pipe (12) which penetrates through an electromagnetic valve component (13); the periphery in the round cylinder is provided with a piston rod II (3); the middle of the periphery of the piston rod II (3) is provided with a dust-proof component (6); the lower part of the periphery of the piston rod II (3) is provided with a spring (7); the tail of the periphery of the piston rod II (3) is provided with a movable piston (10); the piston rod II (3) is connected to a movable piston (10); the spring (7) is arranged between the dust-proof component (6) and the movable piston (10). The double-cylinder active shock absorber is good in creation comfortability and good in turning performance.
Owner:刘春暄
Adjustable bent sheath suction catheter
PendingCN114099900AImprove cornering abilityEasy to bendSurgeryMedical devicesSuction forceBiomedical engineering
The invention discloses an adjustable bent sheath suction catheter which comprises but is not limited to an adjustable bent pipe section and a bending adjusting device, the adjustable bent pipe section comprises an elastic inner pipe body, the inner pipe body has at least one bending degree of freedom, a plurality of channels are formed in the pipe wall, and each channel is arranged in an inward concave mode in the radial direction; the bending adjusting device is used for providing bending deformation force for the inner pipe body. The invention provides a suction catheter with an adjustable bent sheath, which is used for improving the turning capacity of the catheter at a bent position of a blood vessel after the catheter is introduced into the blood vessel, and can adjust a smaller curvature radius on the premise of not influencing the suction force.
Owner:EASYCESS MEDICAL LTD
Hot and cold composite formed square and rectangular steel tube with thickened corners and production method
ActiveUS20210146414A1Ensure strength performanceRedundant deformationElongated constructional elementsTemperature control deviceMetallurgyStraight tube
A hot and cold composite formed square and rectangular steel tube and a production method for the same are provided. The radius of an outer corner of the square and rectangular steel tube meets the following conditions: when t is less than or equal to 6 mm, R is greater than 0 and less than 2.0 t; when t is greater than 6 mm and less than or equal to 10 mm, R is greater than 0 and less than 2.5 t; when t is greater than 10 mm, R is greater than 0 and less than 3.0 t, wherein t is the wall thickness of a straight tube part of the square and rectangular steel tube; R is the radius of each of the outer corners of the four corners of the square and rectangular steel tube; and the wall thickness of each corner of the square and rectangular steel tube is between 1.0 t and 1.8 t.
Owner:SINO INST OF PRECISE TUBES IND (GUANGZHOU) CO LTD
Driving force control system for vehicle
ActiveUS9180880B2Improve vehicle performanceDriving comfort is improvedBrake control systemsDriver input parametersSteering angleControl system
A driving force control system for a vehicle, which is configured to control a driving force of a vehicle by calculating an actual value of a stability factor of a running vehicle based on a detection value of a predetermined sensor, and adjusting the calculated actual value of the stability factor toward a target value of the stability factor determined depending on a travelling condition of the vehicle. The driving force control system is comprised of: a steering judging unit that judges a fact that a change rate of a steering angle of the vehicle is smaller than a predetermined reference value; a correction value calculating unit that corrects the actual value of the stability factor based on a comparison between an actual value and a target value of a physical amount with respect to a turning motion of the vehicle, in case the steering judging unit judges that the change rate of the steering angle is smaller than a reference value; and a driving force correcting unit that corrects the driving force based on the correction value.
Owner:TOYOTA JIDOSHA KK
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