312 results about "Wheelbase" patented technology

The invention relates to the technical field of electric digital data processing, in particular to a shock absorber data processing method and system based on digital twinning, and the method comprises the steps: obtaining a multi-channel data signal of a shock absorber, and constructing a panoramic vibration data tensor; extracting a discrete digital sequence on a panoramic vibration data tensor time dimension, executing a variational mode decomposition algorithm, and separating and extracting a transient impact feature vector flow; constructing a double-time-axis sliding mapping window, and mapping the transient impact feature vector flow to a future node of a prediction response time axis based on a front and rear wheel preview mechanism of a vehicle wheelbase; operating the time sequence recurrent neural network model, and predicting and generating a target state data matrix of future nodes; and in the numerical constraint space, a prediction type damping adjustment instruction data packet is solved and generated through a rolling optimization algorithm. Through prospective state prediction and optimization solution, the problem of data timeliness caused by calculation delay in digital twinning is solved, and real-time, predictive and safe adjustment of the shock absorber is realized.

The invention discloses a vehicle kinetic parameter identification method based on constrained nonlinear optimization, which comprises the following steps: establishing a vehicle two-degree-of-freedom transverse kinetic model based on a small-slip-angle tire and a road cross slope, acquiring a vehicle historical driving data measurement value, acquiring a to-be-estimated vehicle kinetic parameter, and identifying the to-be-estimated vehicle kinetic parameter according to the to-be-estimated vehicle kinetic parameter. Constructing a constrained nonlinear optimization problem about the yaw velocity, solving to obtain an estimated value sequence of the kinetic parameters of the vehicle, carrying out statistics on the sequence, and taking a statistical median as a final estimated value; on one hand, a vehicle transverse dynamics model including a road cross slope is adopted; on the other hand, the constraint of vehicle parameters is considered, a nonlinear optimization problem is constructed, and the vehicle front axle distance (the longitudinal distance from a front axle to the vehicle mass center), the vehicle rear axle distance (the longitudinal distance from a rear axle to the vehicle mass center), the front wheel cornering stiffness, the rear wheel cornering stiffness and the vehicle total mass are identified at the same time.

The utility model discloses a tray for transporting a vehicle and a frame type container. The tray for transporting the vehicle comprises a main frame, at least two tire fixers and at least two forklift grooves, the tire fixer is arranged at the side part of the main frame and is used for limiting a front wheel or a rear wheel of a vehicle parked on the tray, and the fixing position of the tire fixer on the main frame can be adjusted along the length direction of the main frame; the two forklift grooves are formed in the main frame and spaced by a preset distance to be matched with forks of the forklift, and inlets and outlets of the forklift grooves are formed in the side portion or the end portion of the main frame and used for allowing the forks of the forklift to go in and out of the forklift grooves. According to the utility model, the tire fixer is arranged on the pallet, so that the pallet is suitable for fixing vehicles with different axle distances and wheel treads, and the forklift grooves are formed in the pallet, so that the pallet is suitable for a forklift to carry the pallet, the vehicles are convenient to load and unload in a container, and the container is used for railway transportation, thereby obviously reducing the cost of railway transportation vehicles.

The invention provides a non-contact wheelbase-free detection RGV vehicle carrying method and device, and the method comprises the steps: responding to a vehicle taking instruction, and controlling a chassis walking part to drive RGV positioning equipment to move to a position below a to-be-carried vehicle; clamping arms of the front clamping part and the rear clamping part are controlled to be switched to a semi-open state; acquiring a first lateral distance and a second lateral distance; according to the RGV structure size data, the first lateral distance and the second lateral distance, the chassis walking part and the axle distance adjusting part are controlled to move cooperatively, so that the front clamping part and the rear clamping part reach the preset positions correspondingly; clamping arms of the front clamping part and the rear clamping part are controlled to be switched to be in a fully-open state; and the chassis walking part is controlled, and the RGV positioning equipment is moved to the target storage area. According to the method, the defects that a traditional RGV needs to be carried by a preset wheelbase, and the adaptability is poor are effectively overcome.

The invention provides a vehicle control method and related equipment. The vehicle control method comprises the steps that the curvature variable quantity of a to-be-driven path of a vehicle is obtained; under the condition that the curvature variable quantity is greater than or equal to a preset variable quantity, determining a plurality of first preview distances of the vehicle on the path, and determining cost values corresponding to the first preview distances; determining a second preview distance in each first preview distance according to the cost value, and determining a to-be-driven position of the vehicle on the path according to the second preview distance and the current position of the vehicle; according to the to-be-driven position, the current pose parameter of the vehicle and the wheelbase of the vehicle, a first target steering angle is determined, and the current steering angle of a steering wheel in the vehicle is controlled to be adjusted to the first target steering angle, so that the vehicle is driven to the to-be-driven position. According to the invention, the driving safety of the vehicle is improved.

The utility model relates to a vehicle battery replacement positioning platform device suitable for different wheelbases, which comprises a parking platform, two first positioning grooves and two second positioning grooves are arranged on the parking platform, the positions of the two first positioning grooves and the two second positioning grooves respectively correspond to each wheel of a vehicle, and the second positioning grooves are arranged in a long strip shape. And the two first adjusting mechanisms are arranged in the first positioning groove. And the two second adjusting mechanisms are arranged in the second positioning grooves. The second adjusting mechanism comprises two adjusting assemblies and a moving assembly. The two adjusting assemblies are oppositely arranged on the side, close to the first positioning groove, in the second positioning groove and the side, away from the first positioning groove, in the second positioning groove. The moving assembly is arranged between the two adjusting assemblies. And the long-strip-shaped second positioning groove and the movable second adjusting mechanism can be compatible with vehicles with different wheelbases, and the universality of the battery replacing station is improved.

The invention discloses a vehicle image enhancement method, a related device, equipment, a medium and a product, and the method comprises the steps: obtaining vehicle parameters of a current vehicle, and obtaining an actual positioning position, an actual inertial navigation direction angle, driving data and camera data of the current vehicle at a current moment; mapping based on the steering wheel angle to obtain a front wheel angle of the current vehicle; predicting a predicted inertial navigation direction angle and a predicted positioning position of the current vehicle at a future moment based on the front wheel steering angle, the vehicle wheelbase, the driving speed, the actual inertial navigation direction angle and the actual positioning position; generating a projection transformation matrix at a future moment based on the camera internal reference, the camera external reference, the predicted positioning position, the actual inertial navigation direction angle and the predicted inertial navigation direction angle; and based on the projection transformation matrix at the future moment, respectively carrying out pixel-level remapping on images shot by the plurality of cameras to obtain a look-around image of the current vehicle. According to the scheme, the stability and the response timeliness of the look-around image can be improved.

The utility model discloses a mechanical arm of a lifting machine for automobile maintenance, and relates to the technical field of automobile maintenance. The gravity of an automobile cannot be uniformly distributed on a supporting arm, the bearing force deviation phenomenon occurs, and after the bearing force deviation exceeds the designed bearing range of the supporting arm, rollover or local collapse occurs. The device comprises a connecting seat and a supporting mechanism, wherein the supporting mechanism is arranged on one side of the connecting seat. Through the arrangement of the supporting mechanism, the supporting rod, the movable rod and the connecting base, after the movable rod is adjusted to the ideal length matched with different vehicle types, the elastic potential energy of the limiting spring can be used for pushing the fixing clamping block to be accurately embedded into the clamping groove preset in the top end of the movable rod, and the movable rod can be firmly fixed; therefore, the bearing seat can adapt to automobiles with different axle distances and different automobile body structures, the automobiles are stably supported, the gravity of the automobiles can be evenly dispersed through the bearing seat, and the risk that the automobiles overturn in the maintaining and lifting process can be reduced.

The utility model provides a disconnected type vehicle frame and a mine truck, the disconnected type vehicle frame comprises a front vehicle frame and a rear vehicle frame, a slewing bearing is arranged between the front vehicle frame and the rear vehicle frame, the outer ring of the slewing bearing is fixedly connected to the rear end part of the front vehicle frame, and the inner ring of the slewing bearing is fixedly connected to the front end part of the rear vehicle frame; and the inner ring and the outer ring of the slewing bearing are rotationally connected. Compared with an existing integral frame vehicle, the front frame and the rear frame adopting the slewing bearing can rotate in a small range in the advancing direction, so that an axle can be in better contact with the ground, the driving force of the vehicle is increased, and the cross-country performance of the vehicle is improved; compared with an existing articulated truck that a power assembly and a transfer case are both installed on a front truck, the power assembly of the disconnected truck frame adopting the slewing bearing is installed on the front truck frame, the transfer case is installed on the rear truck frame, the size of a front overhang and a wheel base of the whole truck is small, the length of the whole truck is reduced, applicability is improved, and wide application and popularization prospects are achieved.

This invention discloses an all-terrain vehicle, comprising a frame, a front wheel assembly, and a rear wheel assembly. The front wheel assembly is mounted on the frame and includes two front wheels with a track width of W1. The rear wheel assembly is mounted on the frame and includes two rear wheels with a track width of W2. The wheelbase between the front and rear wheels is L, wherein 0.72 ≤ W1 / L ≤ 0.82, and / or 0.72 ≤ W2 / L ≤ 0.82. The all-terrain vehicle provided by this invention has the advantages of smooth handling and high lateral stability, low requirements for user driving skills, and good user driving experience and comfort.

The application discloses a hydraulic weighing system for heavy-load vehicles at high-speed intersections, and belongs to the technical field of heavy-load transportation, which comprises a plurality of pits evenly spaced along the longitudinal direction of a road, a road panel arranged at the opening of the pit, an oil cylinder corresponding to the road panel arranged in the pit, a middle partition plate of the oil cylinder separating the inner side of the oil cylinder into an upper oil cylinder groove and a lower storage groove, a piston fixed at the bottom of the road panel and slidingly arranged in the oil cylinder groove, and an oil bag arranged between the piston and the middle partition plate; a pressure measuring instrument is installed in the storage groove, and the output end of the pressure measuring instrument is connected to the oil bag; the pressure measuring instrument can convert the current actual axle load according to the pressure change amount, and the weighing data information of each road panel is returned to a central control computer, and the computer outputs the size of each axle load and the axle spacing. The application can be used for accurately calculating the total weight of vehicles and goods, and can also consider more detailed load factors such as the axle load and the wheelbase.

The utility model discloses a multi-layer lifting type automobile carrying device, relates to the technical field of automobile carrying, and aims to solve the problem that an existing automobile carrier cannot carry a plurality of automobiles at a time. The device comprises a frame body, a chassis is arranged at the bottom of the frame body, at least two layers of automobile carrying platforms are arranged on the frame body in a lifting mode, and the chassis is arranged on the frame body. Two sets of automobile taking and conveying arms are arranged on any layer of automobile carrying platform, the automobile taking and conveying arms can telescopically take and convey automobiles in the width direction of the automobile carrying platform, and the two sets of automobile taking and conveying arms can move in the direction close to each other or away from each other so as to adapt to different automobile wheelbases. And the control device is used for controlling the running states of the chassis, the vehicle carrying platform and the vehicle taking and conveying arm, so that the vehicles can be taken and conveyed in a multi-layer and two-way mode at the same time, multiple vehicles are carried at a time, and the vehicle carrying efficiency is improved.

The present application relates to the technical field of bridge quality detection, especially to a continuous beam bridge different span loading load test method, comprising the following steps: determining a control section on the continuous beam bridge; measuring the axle load and the wheelbase of the test vehicle; calculating and analyzing the interval area of the calculated bending moment change effect function with the moving vehicle; analyzing and calculating the interval area of the measured bending moment change effect function with the moving vehicle; comparing the ratio of the interval area of the calculated bending moment change effect function with the moving vehicle and the interval area of the measured bending moment change effect function with the moving vehicle through the calibration coefficient to determine whether the bearing capacity requirement is met. The continuous beam bridge different span loading load test method can effectively reduce the arrangement of measuring points and the need for test vehicles, and quickly and accurately judge the bearing capacity state of the bridge by calculating the bending moment change effect function with the moving vehicle and the measured bending moment change effect function with the moving vehicle.

The utility model relates to the technical field of tractors, and discloses a variable axle distance front axle connecting assembly and a front axle, comprising a front axle which is located at the front end of a tractor, two groups of connecting frames are symmetrically sleeved in the middle of the front axle, and the front axle is respectively and fixedly connected with a front axle seat and an oil pan through the two groups of connecting frames; the front axle seat is provided with a first screw hole, the oil pan is provided with a second screw hole, and the first screw hole and the second screw hole are fixedly connected with the two connecting frames through bolts respectively. The longitudinal position of the front axle relative to a tractor body can be conveniently changed by changing the mounting positions of the connecting frame on different screw hole groups on the front axle seat and the oil pan, so that the axle distance of the tractor can be adjusted, and the problems that the existing front axle is fixed and the axle distance cannot be changed are solved; therefore, the tractor can better meet the requirements of different scenes such as heavy-load operation such as deep ploughing / deep scarification and small-space flexible operation.

The present invention relates to the technical field of tire pressure system matching, and provides a matching device for a tire pressure measurement system. The matching device comprises a matching platform; driving structures, adjustment frames A, adjustment frames B, and matching assemblies are provided on the top of the matching platform; an adjustment assembly is fixedly arranged on the outer side of each adjustment frame A; a positioning structure is fixedly arranged on the outer side of each adjustment frame B; and the adjustment frames are linked by means of linkage structures. The specific positions of four tire pressure matching units can be adjusted on the basis of the wheel base and the wheel track of a vehicle, facilitating simultaneous triggering of wake-up of four tire pressure sensors of the vehicle, and solving the problem of low activation efficiency of tire pressure sensors caused by inconvenience in simultaneous triggering of wake-up of the four tire pressure sensors of the vehicle.

The invention provides a pure electric drive wheel fixing device of a new energy automobile chassis dynamometer, and relates to the technical field of new energy automobiles, the pure electric drive wheel fixing device comprises a mounting seat, a self-adaptive driving mechanism, a clamping and fixing mechanism, a sliding seat, a sliding groove and a supporting seat; the wheel fixing device has the advantages of being reasonable and simple in structure, low in production cost and convenient to install, through cooperative action of the telescopic mechanism and the clamping mechanism, lifting of the connecting base and moving of the clamping block can be achieved, wheel fixing can be completed without complex manual operation, the operation process is greatly simplified, the labor cost is reduced, and meanwhile equipment installation and later maintenance are facilitated; by means of cooperation of a driving assembly in the self-adaptive driving mechanism, a sliding base and a sliding groove, the clamping and fixing mechanism can be driven to flexibly adjust the transverse position, the fixing requirements of non-driving wheels of new energy automobiles with different axle distances can be met, frequent replacement of accessories or manual calibration is not needed, the adaptation capacity of diversified automobile types is effectively improved, and the practicability is high. And the large-scale detection operation requirements are met.

The utility model relates to the technical field of dynamometers, in particular to a four-wheel-drive dynamometer with an adjustable front and rear axle distance, which comprises a bottom frame, a fixed table arranged on the upper side of the rear end of the bottom frame, a track arranged on the front side of the fixed table, a movable table arranged on the track, a rear roller group arranged on the upper side of the fixed table, a first transmission wheel coaxially arranged at the left end of the rear roller group, and a second transmission wheel coaxially arranged at the right end of the first transmission wheel. A front roller set is arranged on the upper side of the moving table, a third transmission wheel is arranged at the left end of the front roller set, a fifth transmission wheel and a sixth transmission wheel are arranged on the bottom frame, a first tensioning wheel and a second tensioning wheel are arranged below the third transmission wheel, and the first transmission wheel and the sixth transmission wheel are connected through a first synchronous belt. The fifth transmission wheel and the sixth transmission wheel are connected through a second synchronous belt, the third transmission wheel is sleeved with the middle of the second synchronous belt in a transmission mode, and the portions, located on the front side and the rear side of the third transmission wheel, of the second synchronous belt are attached to the opposite sides of the first tensioning wheel and the second tensioning wheel in a transmission mode respectively.

The application discloses a design method and system for front suspension, rear suspension and wheelbase of a light truck, and the method comprises the following steps: S1, inputting initial front suspension, initial rear suspension and initial wheelbase; S2, calculating the approach angle of the truck, and judging whether the approach angle meets the control requirement of the approach angle; if yes, executing S3, otherwise returning to S1; S3, calculating the departure angle of the truck, and judging whether the departure angle meets the control requirement of the departure angle; if yes, executing S4, otherwise returning to S1; S4, calculating the longitudinal passing radius of the truck, and judging whether the longitudinal passing radius meets the control requirement of the radius; if yes, executing S5, otherwise returning to S1; and S5, outputting the front suspension, the rear suspension and the wheelbase according to the target function of the front suspension, the rear suspension and the wheelbase. The method can quickly select the appropriate size of the front suspension, the rear suspension and the wheelbase, reduces the workload, improves the design efficiency, is suitable for all two-axle light trucks, reduces the design cost and increases the practicability.

The invention discloses a vehicle control method and device, electronic equipment, a vehicle and a storage medium, and the method comprises the steps that under the condition that a target signal of the vehicle is monitored, the first anti-pitching torque of the vehicle is determined according to the current working condition of the vehicle and driving parameters of the vehicle; according to the first reverse pitching torque and the wheelbase of the vehicle, the initial longitudinal force of the vehicle is determined; determining a target longitudinal force of the vehicle according to the initial longitudinal force; the target anti-pitching torque is superposed on the output torque of the vehicle motor so as to adjust the output of the motor, the target anti-pitching torque is determined according to the target longitudinal force and the wheelbase, in the steps, hysteresis does not exist, response can be conducted in time, the posture of the vehicle can be well controlled, the vehicle is stable and smooth, and the service life of the vehicle is prolonged. The problems of braking nodding and accelerating rising are solved.

The invention discloses a guide frame zero position adjusting device and method for a side forced guiding guide rail type rubber wheel train, and the device comprises a four-wheel positioning mechanism which is used for carrying out the four-wheel positioning of four walking wheels; the first axial length adjusting mechanism is arranged on the steering synchronous rod and used for adjusting the angle of the walking wheel; the ray emission instrument is detachably arranged on the outer side face of the wheel hub of the walking wheel, and the ray emission instrument is used for emitting rays parallel to the outer side face of the walking wheel; the second axial length adjusting mechanism is arranged on the steering pull rod and used for adjusting the angle of the guide frame. Positioning adjustment of the walking wheels and the guide wheels of the rubber wheel trains with different heights and different axle distances is achieved, the abrasion problem of the walking tires and the guide wheels is solved, and the running stability of the trains is improved.

Trailer resetting system (100) in a vehicle (10) for automatically adjusting the vehicle dynamics while the vehicle (10) is coupled to a trailer (50, 450) to reduce the probability of trailer (50, 450) jackknifing, wherein the trailer resetting system (100) comprises a control (34) configured as follows: To obtain trailer profile information (201, 404); to obtain a dynamic vehicle steering angle, δ, (203, 412) and a dynamic trailer coupling articulation angle, θ, while the vehicle (10) is moving backwards; continuously maintains a maximum safe vehicle speed, v max, (207, 306, 414) to calculate with which reversing is possible without buckling, based on the trailer profile information (201, 404), of δ, of θ, a predetermined safe time until buckling, TTJ_ne, (410) and a maximum trailer coupling articulation angle, θ FK , (209, 406), where TTJ_ne is a calibratable time value that specifies a time safety margin before the occurrence of a buckling state is predicted; a current vehicle longitudinal speed, v, (211) with v max to compare; to automatically generate a speed correction signal (213) to cause the vehicle (10) to reduce speed below v max to slow down when v the v max exceeds; and to send the speed correction signal (213) to a vehicle motion control system to instruct the vehicle motion control system to adjust v below v maxto reduce, wherein the vehicle motion control system controls suitable vehicle actuators to reduce v, wherein the trailer profile information (201, 404) includes a vehicle wheelbase, L, a distance, d, between the rear axle of the vehicle (10) and the coupling point, and a trailer rear axle spacing, D, wherein: V max = LTTJ _ ne ⋅ E ln ( | [ ( C − B ) tan θ JK 2 + ( A − E ) ] [ ( C − B ) tan θ JK 2 + ( A + E ) ] [ ( C − B ) tan θ 2 + ( A + E ) ] [ ( C − B ) tan θ 2 + ( A − E ) ] | ) , A = LD , B = d D tan δ , C = tan δ , E = A 2 + B 2 − C 2 , d θ dt = VL [ tan δ ( 1 + d D cos θ ) + LD sin θ ] , if d θ dt If positive, then θ JK = θ JK , and if d θ dt If negative, then θ JK = -θ JK .

The application provides a stacking machine anti-rollover control method, an electronic device, a storage medium and a program product. The method comprises the following steps: acquiring an operating state parameter of a vehicle, and calculating a center of mass position of the vehicle based on the operating state parameter; wherein the state parameter comprises a load weight and a load height; based on the center of mass position, a driving speed and a tire angle, calculating a rollover torque generated when the vehicle turns and a stable torque resisting rollover; when a steering action is detected, comparing the rollover torque with the stable torque; if the rollover torque is greater than or equal to the stable torque, dynamically limiting the hydraulic flow of a steering oil cylinder according to the current driving speed; based on the current tire angle, the center of mass height and the wheelbase of the vehicle, calculating a maximum allowable driving speed, and when the current driving speed is greater than the maximum allowable driving speed, controlling the driving motor to brake so that the vehicle is slowed down to not exceed the maximum allowable driving speed.

The invention provides a method, a device, equipment and a medium for suppressing false alarm point cloud of a vehicle hanging body, and the method comprises the steps: determining the yaw velocity of a vehicle head based on the longitudinal velocity of the vehicle head and the wheelbase of the vehicle head; when a vehicle runs, an included angle possibly exists between a vehicle head and the hanging body, a speed balance equation at the hanging point is established based on the included angle, and the lateral speed of the hanging body is determined. And determining the yaw velocity of the hanging body based on the lateral velocity of the hanging body and the distance between the rear axle of the hanging body and the hanging point. And determining an included angle based on a difference value between the vehicle head yaw velocity and the hanging body yaw velocity. And converting the point cloud acquired by the radar by using the included angle, and determining the converted point cloud. In the converted point clouds, target false alarm point clouds located in a filtering area are determined and filtered out, and the filtering area is determined by fitting the edge of a hanging body through the point clouds collected by a radar in the straight moving process of the vehicle.

The invention discloses a folding arm hanging pull rod planting vehicle which comprises a flat vehicle body, a cab is arranged at one end of the flat vehicle body, the width of the cab is smaller than half of the width of the flat vehicle body, and a folding arm crane is further arranged on the flat vehicle body and located right behind the cab. A supporting leg operation device and a suspender operation device are arranged on the side portion of the folding arm crane of the flat car body. Wheels are arranged at the bottom of the flatcar body. Telescopic supporting legs are arranged at the four corners of the bottom of the flat car body. The folding arm crane comprises a mechanical folding arm and a hydraulic turntable, the bottom end of the mechanical folding arm is fixed on the hydraulic turntable, and a lifting hook is arranged at the top end of the mechanical folding arm. The supporting leg operation device and the suspender operation device each comprise a plurality of operation rods and buttons. The flat car body has the advantages that a plurality of electric poles of 10-21 meters can be loaded on the flat car body, and the flat car body can enter alleys, fields and paths by means of the advantage of small wheelbase and can be lifted by a crane to move left, right, front and back to avoid obstacles. The loading capacity is large, operation is convenient, and moving is convenient.

The invention provides a vertical obstacle crossing control method for a tandem type double-swing-arm suspension system. The pressure of hydraulic oil and the transmission route of the hydraulic oil are controlled by driving the opening and closing combination of various electromagnetic valves in the hydraulic system and the opening and closing of a hydraulic pump, so that the vertical degree-of-freedom movement and the longitudinal degree-of-freedom movement of a single wheel of the vehicle and the movement combination of a plurality of wheels of the vehicle are realized; according to the control method, the vertical hydraulic cylinders can be driven to extend or compress to achieve ascending or descending of the wheels in a suspended state, the longitudinal hydraulic cylinders extend to achieve forward movement or backward movement of the wheels driven by the suspension swing arms, and the single-side or double-side wheelbase of the vehicle is changed; when the vehicle encounters an obstacle which cannot directly pass through or bypass in a traditional action mode, the wheel leg walking mode can be switched, the relative position relation between the wheels and the obstacle can be actively adjusted, the direction and size of stress of the wheels are changed by changing the contact mode of the wheels and the obstacle, the stress of the wheels and suspension is improved, and the obstacle passing capacity of the vehicle is improved.

A method for determining wheel base for a trailer attached to a tractor includes a) identifying a two-dimensional trailer wheel location in an image, b) associating the two-dimensional trailer wheel location with a corresponding trailer angle, c) converting the two-dimensional trailer wheel location to a three-dimensional trailer wheel location, d) calculating a wheel base from the three-dimensional trailer wheel location, e) acquiring a new two-dimensional trailer wheel location, f) performing steps b)-d) for the new two-dimensional trailer wheel location, and g) calculating an average wheel base based upon a previous average wheel base and the new two-dimensional trailer wheel location.

The application relates to the technical field of robot motion control, and discloses a high-precision control method and system for robot motion and a storage medium. The method comprises the following steps: after receiving an original instruction, performing encoder calibration processing based on the angle position information recorded by an encoder and the target position deviation, generating a basic control signal quantity of the rotation angle of a motor, converting a distance to be walked into a control signal quantity of the rotation angle of left and right wheels through calibrated wheel diameter parameters and wheelbase parameters, and outputting a driving control signal for controlling the rotation of the left and right wheels after superimposing an error compensation control quantity generated through a filtering algorithm. The application improves the motion control precision and self-adaptability of a robot in a dynamic environment.

The utility model provides a front axle machining positioning frock, including base and two slide setting on the slide seat of base, two slide seat all be provided with the clamping assembly for clamping front axle end, two slide seat all are fixedly connected with rack, and two racks staggered arrangement, the base is rotatively connected with the follow -up gear of two rack meshing connection, the base is fixedly connected with electric push rod, the extension end of electric push rod and two slide seat in any slide seat fixed connection. The utility model provides a front axle machining positioning frock through electric push rod drive one -sided slide seat removal, cooperation follow -up gear and the meshing transmission of staggered rack, can quick adjustment clamping spacing to adapt to different axle distance's front axle, simultaneously, the arc clamping plate of two -way screw drive can be adapted to different diameter's front axle end through two -way opening and closing structure, further expands frock's clamping size range.