71results about How to "Accurate distance" patented technology

The invention provides a real-time motion planning system based on dynamic environment perception, and aims to solve the limitation of the prior art in a dynamic environment. According to the system, environment data are captured and processed in real time through a highly integrated sensor fusion technology, and an accurate environment model is generated. And in combination with a deep learning algorithm, the system can predict environment change and realize quick response. In addition, the system adopts an advanced dynamic path adjustment algorithm to ensure path optimization and safe navigation of the machine in a complex environment. Particularly, a multi-machine collaborative planning mechanism is introduced, and efficient collaboration and avoidance among machine groups are realized through a distributed consistency algorithm and multi-agent reinforcement learning. On the whole, the system obviously improves the application potential of the machine in a variable environment, enhances the adaptability and stability of the machine, and opens up a new possibility for the development of the intelligent machine equipment technology.

The invention provides an intelligent loudspeaker based on a positioning beacon, and relates to the field of sound amplification systems, and the intelligent loudspeaker comprises a following positioning module which comprises a positioning beacon arranged on a followed object, a master base station and a plurality of slave base stations which are arranged on the loudspeaker, and a positioning analysis unit; the information acquisition module is used for acquiring real-time environment information; the sound amplification following module is used for determining a following path and following parameters according to the real-time relative position relationship between the positioning beacon and the main base station, the real-time environment information and the historical relative position relationship between the positioning beacon and the main base station, and controlling the walking assembly to drive the loudspeaker to move; and the sound amplification adjustment module is used for determining a real-time sound amplification parameter, controlling the pose adjustment assembly to adjust the pose of the loudspeaker and adjust the output volume of the loudspeaker according to the real-time relative position relationship between the positioning beacon and the main base station, the real-time environment information and the following path, and the intelligent follow-up system has the advantages of realizing intelligent follow-up of the loudspeaker based on the positioning beacon and improving the user experience.

The invention provides a track checking interval and back protection distance detection method, which comprises a positioning extraction step, a contour combination step, a track piece identification step, a checking interval acquisition step and a back protection distance acquisition step, according to the method, a predetermined detection position is automatically positioned through profile data collected by a high-precision line laser sensor and corresponding mileage data, profile data of the position are extracted, then the profile data of the multiple line laser sensors are combined, profiles of the heads of the multiple rail pieces are automatically recognized and extracted from combined profile lines, and the accuracy of detection is improved. Due to the fact that the arrangement of the rail pieces at the preset detection position is fixed, the profiles of the guard rail head, the guard rail pair side wing rail head and the point rail can be conveniently and rapidly obtained, then the accurate checking interval value and the back protection distance value are rapidly obtained based on profile analysis and calculation, operation is convenient, detection precision is high, the calculation amount is small, and the detection accuracy is high. And a detection result can be quickly obtained on a track detection site.

The invention discloses a highway bridge engineering pile foundation reinforcing steel bar mechanical connection structure, and relates to the technical field of pile foundation construction. The highway bridge engineering pile foundation reinforcing steel bar mechanical connecting structure comprises a connecting base, multiple sets of connecting rods are connected to the connecting base, guide rail columns are arranged on the connecting rods, sleeve bases are movably connected to the guide rail columns in a clamped mode, first clamping bases are fixedly connected to the sleeve bases, first clamping blocks are movably connected to the first clamping bases in a clamped mode, and threaded sleeves are fixedly connected to the first clamping blocks. A positioning seat is fixedly connected to the first clamping seat, a positioning groove is formed in the positioning seat, and a positioning clamping ring is movably clamped in the positioning groove. When the highway bridge engineering pile foundation reinforcing steel bar mechanical connection structure is used for mechanical connection of highway bridge engineering pile foundation reinforcing steel bars, rapid connection of multiple sets of reinforcing steel bars can be conveniently achieved, and meanwhile the multiple sets of reinforcing steel bars can be conveniently and rapidly aligned and arranged in cooperation with the connection structure.

A device for punching holes on the edge of a corrugated steel plate belongs to the technical field of corrugated steel plate production equipment, and is used for punching holes on both sides of a steel corrugated plate. The technical scheme is as follows: the frame is a rectangular steel frame, the guide rails of the conveying trolley and the transmission part are installed on both sides of the upper plane of the frame, the conveying trolley and the transmission part are in sliding cooperation with the guide rails, the roller part is installed in the middle of the upper plane of the frame, the corrugated steel plate is placed on the roller part, the rear end of the corrugated steel plate is connected to the conveying trolley, the marking device, the punching device, and the pressing device are respectively arranged oppositely and sequentially on both sides of the front of the upper plane of the frame, and the upper surfaces of both sides of the front end of the corrugated steel plate are respectively opposite to the marking device, the punching device, and the pressing device on both sides. The structure of the invention is reasonable, simple and reliable, with high control accuracy, the accuracy of the adjacent hole spacing is within ±0.2mm, and continuous punching can be performed, which reduces labor, saves time, and improves production efficiency.

The present invention provides a distance measuring device and an autonomous robot. The distance measuring device includes a light emitting part, a light receiving part, a controller and a distance measuring calibration unit; the light emitting part emits distance measuring light; the light receiving part receives the distance measuring light reflected or scattered by the object to be measured; the controller is configured to determine the initial distance between the object to be measured and the distance measuring device based on the emission of the distance measuring light by the light emitting part and the reception of the distance measuring light by the light receiving part; the distance measuring calibration unit is arranged between the light emitting part and the light receiving part, so that at least a part of the calibration light emitted by the light emitting part is directly received by the light receiving part via the distance measuring calibration unit; the controller is configured to determine the distance compensation value based on the emission of the calibration light by the light emitting part and the reception of at least a part of the calibration light by the light receiving part; the calibration distance between the object to be measured and the distance measuring device is determined based on the distance compensation value and the initial distance. Thus, the distance measuring device can output a more accurate distance value.

The invention discloses a calibration method and system and coating equipment. The calibration method comprises the following steps: placing a standard block between each coating hole and a corresponding mask roller, enabling a first surface of the standard block to face the coating hole, and enabling a second surface of the standard block to face the mask roller; the highest points of the mask rollers are located under the standard blocks, and the poses of the mask rollers are adjusted, so that the distance between the highest point of each mask roller and the corresponding second face is equal to a second preset value; the pose of the coating head is adjusted, so that the distance between each coating hole and the corresponding first surface is equal to a third preset value; the standard block is moved away, the coating head is moved downwards, the downward moving distance is the thickness of the standard block, and the distance between each coating hole and the highest point of the corresponding mask roller is made to be a first preset value. According to the invention, the pose of the mask roller and the coating head can be quickly adjusted, so that the distance between each coating hole and the mask roller reaches a preset first value.

The utility model relates to the field of chemical fiber production, in particular to rapid cutting equipment for chemical fiber production, which comprises a cutting table, four corners of the bottom of the cutting table are fixedly connected with supporting legs respectively, the top of a cutting table body is fixedly connected with a door-shaped frame, and the bottom of the door-shaped frame is fixedly connected with a first electric push rod. The extending end of the first electric push rod is fixedly connected with a cutting mechanism, the bottom of the cutting mechanism is transversely and slidably connected with a plurality of cutting blades capable of synchronously adjusting intervals, the two sides of the door-shaped frame are fixedly connected with pressing mechanisms correspondingly, and the front end of the top of the cutting table is fixedly connected with a traction mechanism used for pulling a carpet. According to the carpet cutting device, the distance between every two cutting blades can be more accurately adjusted, meanwhile, a carpet is pressed during carpet cutting, slipping and displacement of the carpet are avoided, and the size accuracy of the carpet after cutting is improved.

The utility model discloses a continuous combination supporting device for underground diaphragm wall pouring construction, which relates to the field of pouring construction and comprises two vertically spaced supporting plates, the opposite sides of the supporting plates are provided with sliding grooves and fixing seats fixed under the supporting plates, the fixing seats are provided with sliding grooves, and horizontal sliding blocks are arranged in the sliding grooves in a sliding manner; the lead screw is rotationally arranged in the sliding groove, and the vertical sliding block is connected outside the lead screw in a threaded mode. The two ends of the supporting plate are hinged to the horizontal sliding block and the vertical sliding block correspondingly. A hydraulic box in the hydraulic supporting structure is filled with hydraulic oil, the left end, the right end and the lower end of the hydraulic box communicate with fixing pipes, a first piston rod is slidably arranged in the fixing pipe at the lower end, one end of a second piston rod is slidably arranged in the fixing pipes at the left end and the right end, the other end of the second piston rod is fixed to the supporting plate, and the lower end of the first piston rod is fixed to the hydraulic driving cylinder. The supporting plates and the hydraulic supporting structures form a dual supporting effect on the supporting plates, the distance between the two supporting plates can be controlled, and therefore it is guaranteed that the distance between the two guide walls is accurate.

The utility model relates to the technical field of sectional material fixed-distance cutting, in particular to a manual fixed-distance device for sectional material cutting, which comprises a supporting unit, a fixed-distance cutting unit, a fixed-distance cutting unit and a fixed-distance cutting unit, the mounting table is arranged on the supporting unit and can slide and be fixed in the length direction of the platform; the positioning plate is arranged above the platform and connected to the mounting table through a sliding connection mechanism so that the positioning plate can slide in the length direction of the platform, the positioning plate is provided with a positioning face, and the positioning face is perpendicular to the length direction and the width direction of the platform at the same time; and the stroke-adjustable air cylinder is arranged on the mounting table, a movable shaft of the stroke-adjustable air cylinder is connected with the positioning plate, and the telescopic direction of the movable shaft is parallel to the length direction of the platform. The utility model at least solves the problem that the aluminum strip to be cut needs to be supported and positioned according to the length requirement of the aluminum strip.

The invention provides a radar and camera data fusion method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a radar point cloud based on a vehicle-mounted radar, obtaining a plurality of original images based on a vehicle-mounted camera, extracting feature points in the original images, and classifying the feature points according to the motion states of pixel points around the feature points, if the motion state of the pixel points around the feature point is dynamic, taking the feature point as a dynamic point and removing the dynamic point to obtain a processed image, selecting a to-be-fused image from the processed image based on a preset time alignment strategy, and calibrating the to-be-fused image according to a pre-configured camera internal reference to obtain a to-be-fused image; the radar point cloud is projected to the calibrated to-be-fused image according to the camera radar external parameters to obtain a fused image, the camera radar external parameters are used for unifying the radar point cloud and the to-be-fused image in the same coordinate system, and the technical problem that data are inaccurate or lost after the laser radar is shielded or reflected is solved through the method.

The present application discloses an intelligent robot obstacle avoidance and precise positioning method based on face tracking. First, it proposes an obstacle avoidance method based on face tracking for an intelligent robot that improves the BUG algorithm, and proposes a model that supports small-angle obstacle avoidance. It finds the accurate switching time between face tracking behavior and BUG algorithm obstacle avoidance behavior, and summarizes the robot's obstacle avoidance method in a complex environment with multiple obstacles. Second, it proposes a method for precise visual positioning of an intelligent robot based on face recognition in response to the shortcoming that the face tracking algorithm of the intelligent robot is not accurate enough in locating the face. The image coordinate position of the face is identified by image processing, and a robot monocular visual positioning model is constructed for visual positioning in combination with the robot's hardware parameters and the person's height, which obtains a more accurate distance measurement. The method is practical and efficient.

This utility model discloses a blade adjustment device for a straw crushing apparatus, including a prism-shaped blade holder and an adjustment screw B located at the left end and an adjustment screw A located at the right end of the prism-shaped blade holder. A metal sleeve A is fitted around the adjustment screw A, and a fixed support plate A is fixedly fitted around the metal sleeve A. A metal sleeve B is fitted around the adjustment screw B. By adding a fine adjustment device to the top of the right end of the prism-shaped blade holder and the top of the fixed support plate A, this device, together with the adjustment screw A, adjustment screw B, and adjustment locking nut, forms a dual adjustment system of coarse and fine adjustment. This solves the problem of the traditional single adjustment structure's difficulty in accurately controlling the blade spacing, and significantly improves the convenience, stability, and accuracy of adjusting the blade spacing of the straw crushing apparatus. It effectively ensures the material fineness meets the standard during crushing operations, while reducing blade wear caused by improper spacing and extending the equipment's service life.

The invention relates to a multifunctional detection and recognition interaction system based on AR glasses, which comprises a head band wearing part and a device host, a back plate of the device host is connected with the front part of the head band wearing part, the bottom of the device host is provided with a double-diffraction optical machine assembly and a gesture recognition assembly, and the double-diffraction optical machine assembly comprises an image output optical machine and a waveguide diffraction lens. The waveguide diffraction lens is used for imaging an image source to left and right eye view areas; the gesture recognition assembly is used for shooting and recognizing gestures of a wearer; a camera and a TOF sensor are arranged in the middle of the front side face of the device host. By using the image output light machine and the waveguide diffraction lens, a clearer image can be provided, the waveguide diffraction lens realizes a lighter and thinner design, virtual information can be naturally overlaid into the visual field of a user, and obvious visual distortion cannot be caused; a built-in gesture recognition assembly enables a user to send an instruction through a simple gesture; the camera and the TOF sensor are combined for use, and the functions of accurate space positioning, object distance measurement and the like are achieved.

The present invention provides a connector, a sandwich insulation wall panel including the connector, and a manufacturing method thereof. According to one aspect of the present invention, a connector for a sandwich insulation wall is provided, comprising: at least two horizontal rods; at least two vertical rods, one of the at least two vertical rods is the outermost vertical rod, and the other of the at least two vertical rods is the innermost vertical rod, wherein each of the at least two horizontal rods is perpendicularly intersected with the at least two vertical rods respectively; and at least one diagonal rod, wherein at least two connection points of the horizontal rods and the vertical rods on the diagonal are connected by the at least one diagonal rod. They can meet the requirements of the wall for the length and mechanical properties of the connector, and the special structure of the connector can increase the degree of automation in the production of composite wall panels.

The present invention provides an intelligent loudspeaker based on a positioning beacon, which relates to the field of a loudspeaker system and comprises: a following positioning module, comprising a positioning beacon arranged on an object to be followed, a main base station and a plurality of slave base stations arranged on the loudspeaker, and a positioning analysis unit; an information acquisition module, which is used to acquire real-time environmental information; a loudspeaker following module, which is used to determine a following path and following parameters according to a real-time relative position relationship between a positioning beacon and the main base station, real-time environmental information, and a historical relative position relationship between the positioning beacon and the main base station, and control a walking component to drive the loudspeaker to move; a loudspeaker adjustment module, which is used to determine real-time loudspeaker parameters according to a real-time relative position relationship between a positioning beacon and the main base station, real-time environmental information, and a following path, and control a posture adjustment component to adjust the posture of the loudspeaker and adjust the output volume of the loudspeaker. The loudspeaker has the advantages of realizing intelligent following of the loudspeaker based on the positioning beacon and improving user experience.

The application discloses a ranging method, comprising: obtaining a mapping relationship between serial numbers of actual data boxes and serial numbers of preset data boxes, wherein each actual data box is mapped to at least one preset data box; obtaining ranging data, assigning storage space to the actual data boxes and storing the ranging data; determining a target data box and a serial number of the target data box according to data distribution of the ranging data in the actual data boxes; determining a target value of a preset data box corresponding to the target data box according to the mapping relationship between the serial numbers of the actual data boxes and the serial numbers of the preset data boxes and according to a preset algorithm; and determining a distance of a measured target according to the target value of the preset data box and a width of the preset data box. The application also provides a ranging system, which can reduce storage space.

The utility model provides slitting equipment for a battery pole piece. The slitting equipment comprises a main body frame and a plurality of slitting mechanisms arranged on the main body frame, the slitting mechanism comprises a slitting blade, a supporting rod provided with the slitting blade, a driving assembly driving the supporting rod to rotate and a deviation rectifying assembly connected with the driving assembly. When the position of the slitting blade deviates from a preset position, the deviation rectifying assembly can rectify deviation of the slitting blade by adjusting the position of the driving assembly. According to the equipment, the control mode of the slitting blade is adjusted through the deviation rectifying assembly, the slitting size of the battery pole piece can be more accurately controlled, and the rejection rate of battery products can be reduced; meanwhile, the multiple slitting mechanisms are arranged, the distance between every two adjacent slitting blades can be accurately controlled, the cutter distance of the slitting equipment is changed, and the slitting equipment is suitable for cutting battery pole pieces of different lengths.

The utility model relates to the technical field of electronic component detection, in particular to an encoder testing device which comprises a support, a motor, a screw rod, a sliding block and a gear, the motor is fixedly installed on the top wall of the support, the screw rod is rotationally arranged on the top wall of the support, one end of the screw rod is fixedly connected with the output end of the motor, and the sliding block is in threaded connection with the screw rod. The gear is rotationally installed on the side wall of the sliding block, a sliding rail is fixedly installed on the top wall of the support, an encoder is slidably installed on the sliding rail, a rotating shaft of the encoder is fixedly connected with the gear through a coupler, and a rack is fixedly installed on the top wall of the support. According to the utility model, the screw rod is matched with the motor to rotate, and the screw rod is a precise screw rod, so that the rotating movement distance of the gear is more accurate, the gear and the rack are matched to rotate, the number of rotation turns is accurate, the number of rotation turns of the encoder is more accurate, the obtained encoder data is more accurate, and the judgment on the quality of the encoder is more accurate.

The utility model belongs to the technical field of tire equipment manufacturing, and particularly relates to a lifting swing arm type tire storage device which comprises a stand column, a lifting device is arranged on the stand column, the lifting direction of the lifting device is parallel to the axis of the stand column, a mounting base is fixedly arranged at the execution end of the lifting device, a transverse rod is arranged on the mounting base, and a tire storage plate is arranged at the end, away from the mounting base, of the transverse rod. A servo cylinder is rotationally arranged on the mounting seat far away from the cross rod, the servo cylinder is perpendicular to the stand column, and the free end of a piston rod of the servo cylinder is rotationally connected between the two ends of the cross rod; according to the lifting swing arm type tire storage device, green tires can be conveniently loaded on the ground, the lifting swing arm type tire storage device can be conveniently matched with an aerial green tire transportation system to load the green tires, and the distance for manually carrying the green tires cannot be reduced; the problems that an existing tire storage device cannot be matched with an aerial green tire conveying system to load green tires, and the labor intensity is high due to the fact that the distance for manually carrying the green tires is long are solved.

The present application provides a valve stent and a prosthetic valve having the same, and belongs to the technical field of cardiac valves. The valve stent comprises a stent body, a positioning ring and elastic connection wires, wherein the positioning ring in a compressed state is adapted to be arranged in series with the stent body sequentially along an axis thereof, and when the positioning ring has elastically deformed from the compressed state to a propped open state, the positioning ring becomes coaxially sleeved on the stent body due to traction of the elastic connection wire. In the valve stent of the present application, after being implanted, the positioning ring can automatically expand to reach the propped open state by elastic deformation, and due to the traction of the elastic connection wire, the positioning ring can become coaxially sleeved on the stent body. Therefore, in the process of an implanting surgery, the positioning ring and the stent body can be positioned at the same time. Due to the traction of the connection wire, the stent body can be automatically positioned according to the location of the positioning ring, so that respective positioning operations of the positioning ring and the stent body are dispensed with, and the surgery operation can be made simple and convenient.

The present invention belongs to the field of rail transit, and discloses a method for measuring the circumferential non-circularity of a wheel. The method can accurately measure the circumferential non-circularity of a wheel without lifting the wheel off the rail. First, a measuring circumferential surface coaxial with the wheel is set outside the wheel, and then three distance measuring sensors are equidistantly set on the measuring circumferential surface; then, a distance measuring relationship model related to the middle measuring length, two edge measuring lengths and the circumferential non-circularity of the wheel is established; finally, the circumferential non-circularity of the wheel is obtained based on the middle measuring length, the edge measuring length and the distance measuring relationship model, that is, the circumferential non-circularity of the wheel is obtained by geometric calculation according to the equidistant relationship of the distance measuring sensors and the three measuring lengths. The present invention also discloses a measuring mechanism for the circumferential non-circularity of a wheel, which is used to implement the above-mentioned method for measuring the circumferential non-circularity of the wheel, and includes a measuring component and a host computer connected to the measuring component signal, and the measuring component includes the three distance measuring sensors as mentioned above.

The invention discloses plastic part injection molding equipment, and relates to the field of injection molding equipment, the plastic part injection molding equipment comprises a charging barrel, a plunger and a hydraulic pump, a shifting block is fixed on the side surface of the plunger, a shifting fork corresponding to the shifting block is arranged on the outer side of the charging barrel, a carry circuit of the plunger is controlled through the shifting fork, and a heat exchange pipe is arranged on the side surface of the hydraulic pump. The side face of the plunger is connected with a shifting block through a U-shaped rod, a shifting fork is arranged outside the charging barrel in parallel and set according to the mold injection molding requirement, the shifting rod is triggered to pop up when the shifting block passes through the shifting rod setting position, and a drive circuit of the plunger is closed through a control switch. Due to the fact that the shifting fork is arranged independently outside the plunger, the abrasion and deformation problems of the plunger are not related, the accurate distance of the plunger is guaranteed, in addition, a heat exchange pipe is arranged in association with the carry position of the plunger to convey a cooling medium to the hydraulic pump, the temperature of hydraulic oil in the hydraulic pump is guaranteed, and various problems caused by the too high temperature of the hydraulic oil are avoided.

The invention relates to the technical field of ink-jet printing, solves the problems that in the prior art, manual measurement of the distance between a camera and a spray head is inaccurate, and when the actual position of a printing medium has deviation, printing deviation can be caused, and provides a method, device and equipment for measuring the distance between an image acquisition device and the spray head and the medium. The method comprises the following steps: acquiring a position of a first line of printing data of a calibration graph, and recording as a first printing position; controlling an image acquisition device to acquire an acquisition image of the calibration graph and acquire the position of the calibration graph in the Y-axis direction; calibrating the acquired image to obtain a target image; according to the target image, identifying a calibration identifier in the target image, and obtaining a center coordinate of the calibration identifier in the target image; and according to the first printing position, the position of the calibration graph in the Y-axis direction and the center coordinate, the distance between the image acquisition device and the spray head is obtained. The distance between the camera and the spray head is accurately measured, and the printing precision is further improved.

The utility model provides a kind of polycarbonate surface optical film coating support device, belong to polycarbonate processing field, including shell, the top of the shell is fixedly installed with support assembly.The utility model provides stable basis for the support column of shell bottom to provide overall device when using, the ingredients tank of shell top can store the coating required by coating, it is convenient for operator to take at any time, reduce waste and pollution in coating transfer process, the rotation of the two first motors inside support plate driven cylinder, cylinder can transport polycarbonate base material, the height adjustment of the meshing of rack and pinion can be realized by the lifting plate of support plate side: the rotation of second motor driven rotating column and gear, gear and rack meshing transmission on the side of lifting plate, promote lifting plate to move up and down, cooperate with automatic coating equipment, it can be adjusted to equipment adaptive height, ensure that coating spray head and base material distance precision.

The utility model discloses an anti-damage type sealing ring mounting device. The anti-damage type sealing ring mounting device comprises a placing frame, a first air cylinder, a sealing ring mounting assembly and a feeding assembly. A bottom platform is arranged at the bottom of the placement frame; the first air cylinder is arranged on a middle platform of the placing frame; the sealing ring mounting assembly is arranged below the first air cylinder; the sealing ring mounting assembly comprises an aligning plate, a connecting plate, a second air cylinder and a push-down mounting ring; the alignment plate is arranged below the first air cylinder and connected with the output end of the first air cylinder through a connecting plate. The second cylinder is arranged on one side of the connecting plate away from the first cylinder; the push-down mounting ring is arranged on the circumferential surface of the alignment plate and is connected with the output end of the second air cylinder; the feeding assembly is arranged on a bottom platform of the containing frame. According to the anti-damage type sealing ring mounting device, progressive driving and pushing are achieved through the arrangement of the multiple air cylinders and the downward pushing mounting ring, it is guaranteed that the sealing ring is evenly stressed through pushing, the sealing ring is prevented from being damaged, and the production efficiency is improved.

The utility model discloses a warning system for fault vehicles in a tunnel. The warning system comprises a plurality of lamplight warning indicators which are sequentially installed in the tunnel at intervals in the extending direction of the tunnel. The lamplight warning indicator comprises a red lamp strip and a yellow lamp strip, and the red lamp strip and the yellow lamp strip are arranged in the circumferential direction of the inner wall of the tunnel; the flicker frequency of the yellow lamp strip is adjustable, and the flicker frequency of the yellow lamp strip located at the upstream of the fault vehicle is inversely proportional to the distance between the yellow lamp strip and the fault vehicle; and the red lamp strip located in the upstream set distance range of the fault vehicle is turned on to emit light. According to the invention, it can be ensured that upstream drivers and passengers can observe the lamplight warning indicator, and the distance between the vehicle and the fault vehicle can be accurately judged.

The invention belongs to the technical field of underwater wireless power transmission, and particularly relates to a capsule type variable structure magnetic coupling mechanism and application thereof. According to the capsule type variable structure magnetic coupling mechanism designed by the invention, the distance between the transmitting side magnetic coupling mechanism and the receiving side magnetic coupling mechanism is reduced by adjusting the size of the receiving side, so that the magnetic coupling coefficient is increased, the path of a high-frequency electromagnetic field in seawater is reduced, and the power and efficiency of underwater wireless power transmission can be improved. According to the underwater charging station, an additional clamping device is not needed on the charging base, axial fixing is achieved after the bag-shaped structure is filled with water, a method that the distance between the receiving side and the transmitting side is judged through self-inductance of the receiving side is adopted, an additional distance measuring device is not needed, a self-inductance measuring device of the receiving side is integrated in the underwater vehicle, and the underwater charging station has the advantages of being high in reliability and high in reliability. And the distance judgment is accurate.

The present application relates to a method, device, equipment and storage medium for identifying the distance between a vehicle and an obstacle. The method includes: obtaining point cloud data and / or image data of a current frame of a current obstacle; obtaining the observed position information of at least one side of the current frame of the current obstacle, the uncertainty of each side and the predicted information of the center position based on the point cloud data and / or image data; obtaining predicted size information based on the observed position information of each side, the uncertainty of each side and the predicted information of the center position; determining the position information of a target rectangle based on the predicted size information and the predicted information of the center position; determining the distance between the current obstacle and the current vehicle in the current frame based on the position information of the target rectangle. The present application obtains the predicted size information of the current frame of the current obstacle based on the predicted information of the center position, so that the distance between the vehicle and the current obstacle obtained based on the predicted size information is more accurate.

The invention relates to a suspension adjusting method, device and equipment, a medium, a product and a vehicle, and relates to the technical field of data processing. The method at least solves the technical problems that in the related technology, the accuracy of judging whether the height of the air suspension of the vehicle needs to be adjusted or not is low, and the effect of adjusting the height of the air suspension is poor. Determining a first position parameter of each connection position point relative to a chassis plane, wherein the chassis plane comprises a plurality of angular position points; determining a reference plane based on the plurality of connection position points, the reference plane comprising at least one connection position point in the plurality of connection position points; determining a second position parameter of each of the plurality of angular position points relative to the reference plane based on the plurality of angular position points and the reference plane; and determining whether to adjust the plurality of suspensions based on the first position parameter and the second position parameter corresponding to each of the plurality of suspensions.