688 results about "Mobile carrier" patented technology

The invention relates to the technical field of terrain reconstruction and path planning, and particularly provides a night terrain reconstruction and path planning method and system based on multi-sensor collaboration, and the method comprises the steps: obtaining the multi-source sensing data of a night environment through a data collection module; performing multi-source data fusion processing on the multi-source sensing data to generate a night environment reconstruction model fusing multi-dimensional features; performing obstacle semantic analysis on the night environment reconstruction model, extracting static obstacle distribution information and a dynamic obstacle movement track, and constructing a composite environment map; according to the composite environment map, a passable path is generated through a dynamic optimization algorithm in combination with terrain passability parameters and kinematics constraint conditions of a mobile carrier, and path parameters are dynamically adjusted based on real-time update data of a night environment reconstruction model; when it is detected that the obstacle distance or the motion state exceeds a safety threshold value, path real-time correction and graded obstacle avoidance instruction output are triggered through multi-sensor confidence evaluation and path collision risk prediction.

The invention provides a surveying device and method for an internal structure of a coating, and relates to the technical field of surveying. The surveying device comprises an acquisition system used for acquiring coordinate information of muons, and the coordinate information comprises intersection point coordinates of the muons and the acquisition system; the positioning time service system is connected with the acquisition system and is used for recording the position information of the acquisition system; the control system is respectively connected with the acquisition system and the positioning time service system, and is used for obtaining a structure image of the internal structure of the to-be-detected coating according to the coordinate information and the position information, and judging the condition of the internal structure of the to-be-detected coating according to the structure image; wherein the to-be-detected coating is located at the upper part of the underground space; and the mobile carrier can move in the underground space, and the acquisition system, the positioning time service system and the control system are fixed on the mobile carrier. The surveying device can efficiently detect the condition of the internal structure of the to-be-detected coating in real time in a non-invasive mode, and the safety of the operation period and the construction period of the underground space is guaranteed.

The invention relates to the technical field of laser processing, in particular to a laser light path rapid switching method and related equipment. The laser light path fast switching method comprises the steps that a single laser emits original laser, the original laser passes through a laser collimator or directly enters a multi-channel reflecting mirror set to adjust a transmission path, a beam expander is selectively started for beam expanding according to the machining requirement, a preliminary shaping light beam is formed, and a basic light path matched with a follow-up optical device is constructed. According to the invention, through the integrated driving mechanism and grating ruler full-closed-loop control rapid switching device, the mobile carrier pre-installed with multiple DOEs is driven to realize accurate cutting-in of a target light spot element in a light path, and the problem of rapid adaptation of multiple light spot patterns in a single laser system is solved.

The invention provides a tunnel contour line forming device based on hydraulic cutting, which comprises a hanging frame and an inserting rod device on the hanging frame, one end of the inserting rod device is inserted into a slag discharging hole, a swing arm frame capable of swinging is arranged at one end of the hanging frame, a water jet cutting assembly capable of moving along the length direction of the swing arm frame is arranged on the swing arm frame, and the water jet cutting assembly is provided with a water jet nozzle. The problems that in the drilling and blasting method construction, instability and collapse of a tunnel face and over-excavation and under-excavation are likely to be induced are solved, automatic operation can be achieved after the mobile carrier is used for assisting in parking in the installation process, the beneficial effects of being convenient to assemble and disassemble and flexible in operation are achieved, and multi-machine-position cluster operation can be achieved.

Disclosed is a nanosecond neutron analysis and associated particle imaging system (NNA / API) and gamma ray detector arrangement (arrangement) that uses associative element detection of titanium, iron and oxygen to determine concentrations of ilmenite or other minerals in extra-terrestrial bodies associated with He-3. The arrangement is used with a mobile carrier for mapping out concentrations of likely He-3 regions on the extra-terrestrial body.

The invention discloses a fuel cell heat and humidity integrated management system and an evaporation phase change cooling method thereof, and belongs to the technical field of fuel cell heat management. The system comprises an air cooling and humidifying module, a heat dissipation, evaporation and phase change module and a water recovery and distribution module. The air cooling and humidifying module distributes compressed air to an ultrasonic atomizing nozzle to be mixed with atomized water, and cooling and humidifying of main path air are achieved. The heat dissipation evaporation phase change module sprays atomized water to the surfaces of ATS radiator fins, and heat dissipation is enhanced through evaporation phase change. And the water recovery and distribution module recovers moisture in wet air at an electric pile outlet through condensation and intelligently distributes the moisture to the two atomization systems. A traditional intercooler and a traditional membrane humidifier are omitted, the air flow resistance is reduced by 15-20%, the heat dissipation efficiency is improved by 10% or above, the weight of the system is reduced by 8%, closed-loop utilization of reaction water is achieved, and the system is particularly suitable for fuel cell systems of mobile carriers such as vehicles and unmanned aerial vehicles.

The invention relates to the technical field of road defect detection, in particular to a road defect detection method and system based on three-dimensional perception, and the method comprises the steps: synchronously collecting two-dimensional image data and three-dimensional point cloud data of a target road surface on a mobile carrier through an integrated detection system; fusing the position information of the GNSS integrated by the detection system and the attitude information of the inertial measurement unit, calculating the time sequence pose data of the detection system in the acquisition process, and generating a target pavement three-dimensional point cloud model with absolute space coordinates; and performing spatial registration on the two-dimensional image data and the three-dimensional point cloud model of the target pavement, and based on the fused two-dimensional and three-dimensional data, identifying and quantifying geometric and texture information of pavement diseases, and generating a disease distribution diagram containing disease positions, types and size parameters. According to the invention, through deep fusion of two-dimensional and three-dimensional data, accurate identification and quantification of pavement diseases are realized, and a CAD-format disease distribution diagram which can be directly delivered can be automatically generated.

The embodiment of the invention provides a signal processing circuit, a signal processing system and a mobile carrier, which can be particularly used for processing signals of a wheel speed sensor. The signal processing circuit comprises a signal screening circuit, and the signal screening circuit comprises a first comparison element, a second comparison element and a first switch assembly. The first comparison element is used for outputting a first signal larger than a first threshold value, the second comparison element is used for outputting a second signal larger than a second threshold value, and the first signal and the second signal are effective signals of the WSS. When the first signal and the second signal are both output, the first switch assembly is used for outputting effective signals corresponding to two current values in the first signal and the second signal from the first output end and the second output end of the signal screening circuit respectively. Therefore, the circuit is simple, the cost is low, and effective signals with different current values can be screened and output according to wheel speed signals under different protocols.

An automated carrier system is disclosed for moving objects to be processed. The automated carrier system includes a base structure of a carrier on which an object may be supported, and at least two wheels mounted to at least two motors to provide at least two wheel assemblies, the at least two wheel assemblies being pivotally supported on the base structure for pivoting movement from a first position to a second position to effect a change in direction of movement of the carrier.

The invention relates to a liquid crystal phased array dynamic star finding control method based on holographic phase coding. The method comprises the following steps: acquiring an expected beam pointing angle of a target satellite relative to an antenna array; generating a two-dimensional phase matrix suitable for a liquid crystal phased array based on the expected beam directional angle; performing temperature compensation on the two-dimensional phase matrix, converting the two-dimensional phase matrix into a digital driving level, and loading the digital driving level to a liquid crystal driving circuit; a radio frequency beam pointing to the expected beam pointing angle is formed through radiation of the liquid crystal phased array antenna panel; and beam pointing errors are detected in real time according to downlink signal characteristics and are compensated. The liquid crystal phased array dynamic star finding control method based on holographic phase coding shows remarkable technical progress and practical advantages in multiple aspects; according to the method, a high-performance and high-reliability dynamic beam pointing system is constructed through key technologies such as holographic phase coding, real-time temperature compensation, high-speed calculation and closed-loop feedback, and the method is particularly suitable for high-dynamic scenes such as high-speed mobile carriers and low-orbit satellite communication.

The invention discloses a soil quality detection sampling device and a sampling method thereof, and relates to the technical field of soil sampling detection. According to the soil quality detection sampling device and the sampling method thereof, the height adjusting mechanism, the stripping mechanism, the pre-bearing pressing mechanism and the end part separation mechanism are arranged in the mounting frame, so that in the sampling process of the device, the height adjusting mechanism, the stripping mechanism, the pre-bearing pressing mechanism and the end part separation mechanism are coordinated and matched, and the sampling efficiency is improved; and when the compacted sample column is reset and ascends along with the device, the compacted sample column can be automatically pressed and supported, a plurality of arc-shaped material taking plates are automatically and orderly separated from the compacted sample column, on the basis of automatic material stripping, the completeness of the outer wall of the sample column is relatively guaranteed, and a fitting end column is synchronously separated from the top end of the sample, so that the sample column is automatically separated from the top end of the sample. The adhesive force of the top end of the sample column is reduced and subsequent manual material taking is facilitated.

The invention belongs to the technical field of roadway navigation, and particularly relates to an integrated navigation method and device based on inertial navigation and laser radar and a medium, and the method comprises the following steps: scanning by using the laser radar to obtain point cloud data, and calculating the position of a carrier based on the point cloud data; establishing a kinematic model of the mobile carrier, and calculating a distortion error of the mobile carrier; measuring motion information of the mobile carrier by adopting inertial navigation; and compensating the point cloud data based on the motion information of the mobile carrier, and completing navigation calculation based on the compensated point cloud data. The point cloud data acquired by the laser radar are compensated through the inertial navigation data, point cloud distortion is compensated in real time, and the geometric quality and the positioning precision of the point cloud are improved.

The invention relates to a visual obstacle avoidance method and device, and the method comprises the steps: S1, arranging a monocular camera on a moving carrier, and enabling an image collected by the monocular camera to comprise a preset range at the front lower part of the moving carrier; s2, collecting a sample image through the monocular camera and calibrating the sample image to obtain a relational expression of the distance between a target in the image and the mobile carrier; s3, acquiring a formal image through the monocular camera, and identifying an obstacle in the formal image; and S4, determining the distance between the obstacle and the mobile carrier through the relational expression. According to the invention, the monocular camera is arranged on the mobile carrier and only collects the image in the limited range of the front lower part, and the distance information with the target obstacle can be obtained from the collected image, so that the obstacle avoidance judgment is realized, and compared with the existing monocular vision that the depth-of-field information cannot be obtained, so that the obstacle distance cannot be accurately judged, and the obstacle avoidance accuracy is improved. Good application prospects are realized.

The invention relates to a flood overflow arc gate underwater robot maintenance system, which comprises a mobile carrier, and a feeding device, a maintenance robot, a console and a crawling assembly which are arranged on the mobile carrier, and is characterized in that the maintenance robot enters water to maintain a flood overflow arc gate; compared with the prior art, an operator does not need to build auxiliary equipment at the position of the flood overflow arc door for overhauling, the overhauling time is greatly shortened, meanwhile, the personnel risk existing in the overhauling process of the flood overflow arc door is reduced, and therefore the effect that the flood overflow arc door can be overhauled very conveniently is achieved; and through cooperation of the rotating seat, the rotating plate, the rotating motor and the camera, the effect that the inspection speed of the flood overflow arc gate is higher is achieved.

The invention discloses a three-dimensional reconstruction method and system for a laser radar and a shooting device, a mobile carrier, a storage medium and a computer program product, and relates to the technical field of three-dimensional reconstruction. The method comprises the following steps: synchronously recording a target point cloud frame set of a target area scanned by a laser radar and a rotation angle data set of a rotation base in a laser radar scanning process; recording a target picture frame set obtained by synchronously shooting the target area by the shooting device and the laser radar; projecting the target point cloud frame and the corner data to a target picture frame according to a spatial offset matrix between the laser radar and the shooting device to realize three-dimensional reconstruction; the spatial offset matrix comprises a first spatial offset matrix between the laser radar and the rotating base, a second spatial offset matrix between the laser radar and the inertial sensor, and a third offset matrix between the shooting device and the inertial sensor. According to the method, the technical effects of reducing hardware cost and increasing hardware custom and practicability can be achieved.

The invention discloses a sowing device capable of being used for sowing corn and peas, the sowing device comprises a mobile carrier, a seed storage box, a seed distribution unit and a plurality of seed sowing units, the seed distribution unit can distribute seeds in the seed storage box to each seed sowing unit; the seed sowing unit comprises a ditching unit, a seed metering unit and a soil covering unit. According to the seeding device disclosed by the invention, seeds can be effectively distributed to each seed seeding unit, and the negative pressure fan is matched with the first turntable, so that the seeds can accurately fall into the discharging pipe, and the seeding accuracy is improved. By means of the positioning mechanism and the driving mechanism, automatic switching of sowing of different kinds of seeds of corn and peas is achieved, manual switching is not needed, and the sowing efficiency and flexibility are improved. And a sawtooth part and a detection groove are matched with a pressure sensor, so that manual maintenance can be prompted when the state cannot be switched.

The utility model relates to a soft needle pressing and assembling device which comprises a linear motor. The moving carrier is connected with a rotor of the linear motor, and a bottom shell to be assembled is arranged on the moving carrier; the soft needle manipulator is used for grabbing the soft needle; the carrier unlocking assembly is used for unlocking the mounting position of the bottom shell of the mobile carrier so that the bottom shell can be placed in the mobile carrier; and the soft needle pressing assembly is used for pressing the soft needle downwards so that the soft needle can be assembled to the bottom shell mounting position. According to the soft needle press-fit assembling device, the linear motor can carry the carrier to the assembling position, automatic unlocking is achieved through the carrier result assembly after the carrier is in place, the automatic production requirement is met, the production efficiency is improved, the number of times of manual product contact is reduced, and the product yield is improved; through the designed soft needle manipulator, the soft needle can be directly fed from the stock bin to the to-be-assembled bottom shell position of the carrier; after the soft needle is assembled through the soft needle mechanical arm, the soft needle pressing assembly presses the top of the soft needle downwards, it is ensured that the soft needle is assembled in place, and the soft needle assembling yield is increased.

The invention discloses novel wind-gathering wind power generation equipment, relates to the technical field of wind power generation, and solves the technical problems of low wind energy utilization efficiency, huge structure and limited application scene in the existing technical scheme. The novel wind-gathering wind power generation equipment comprises a main base, a stand column is arranged on the upper wall surface of the main base, and a wind gathering barrel is arranged on the stand column; according to the wind power generation device, the wind gathering cover and the wind gathering barrel with the input end area far larger than the output end area are arranged, incoming flow air can be effectively gathered and accelerated, the wind speed acting on the wind power fan blades is remarkably increased, and the wind power generation device has the advantages that the wind power generation device is high in wind power generation efficiency; the utilization rate of wind energy resources is greatly improved; the whole structure is very compact, the occupied area is small, the device can be flexibly applied to a mobile carrier with limited space, for example, the device is installed on a vehicle roof to generate power through driving wind or installed on a ship deck to provide auxiliary power, and a brand new application field of mobile energy regeneration is developed.

The invention relates to the technical field of road flatness detection, and particularly discloses a road flatness detection method and system based on laser scanning, and the method comprises the steps: S1, controlling a mobile carrier to move on a road at a preset constant speed, enabling a laser scanner to collect the coordinate information of a road surface at a preset frequency, the acceleration sensor collects acceleration information of the laser scanner in the vertical direction in real time; when the road flatness of the corresponding road section is judged to be possibly substandard according to preliminary analysis, whether the road section needs to be repaired or not is further judged, so that the computing power demand of an analysis control module in the road flatness detection process can be effectively reduced; the cost of road flatness detection is reduced, the risk of crash of the analysis control module is reduced, a proper vehicle speed is ensured in the flatness detection process of the driving carrier on the expressway, and potential traffic safety hazards caused by low-speed driving are avoided.

Using a Radio Access Network (RAN) capacity exchange (or RANxChange), mobile operators can advertise slices / partitions of available unused base station capacity, and auction and lease it. A member-operator can advertise their unused base station capacity availability or lease capacity from another member-operator for a specific time period. The bidding operators can bid for the full auctioned capacity or portion of the auctioned capacity. The users start attaching the leased slice transparently without any configuration changes on their mobile devices.

Embodiments of this application provide a display method, an apparatus, and a mobile carrier. The method includes: when it is detected that a first user is located in a first area in a mobile carrier, displaying a first interface element in a first display area, where the first interface element includes an interface element associated with the first user, and there is a correspondence between the first area and the first display area. Embodiments of this application may be applied to an intelligent vehicle or an electric vehicle, to help improve a degree of intelligence of the vehicle and also help improve user experience.

The invention relates to the technical field of underground space detection, and discloses a high-resolution three-dimensional imaging GNSS (Global Navigation Satellite System) positioning type shallow cavity detection system which comprises a mobile carrier platform, a step frequency continuous wave radar subsystem, a high-precision positioning and attitude sensing subsystem, a central control and edge calculation subsystem and a wireless communication module. According to the system, radar acquisition and hardware-level synchronization of positioning data are realized by using GNSS pulse per second; the central control subsystem dynamically modulates the radar frequency step number and the residence time according to the instantaneous velocity of the carrier to ensure that the space sampling interval is constant; and signal enhancement is carried out in combination with geographic semantic prior, three-dimensional deduction reconstruction is carried out on sparse survey line data by using a conditional generative adversarial network, and active supplementary collection of a reverse-driven low-confidence region is evaluated through confidence. According to the method, high-precision positioning, self-adaptive efficient acquisition and full-process closed-loop detection of the underground cavity are realized, and the reliability of detection data and the engineering application value are improved.

The invention discloses a stripping device of a cable insulation layer, a stripping method of the stripping device and a mobile carrier, and relates to the technical field of distribution lines. The stripping device for the cable insulation layer comprises a stripping mechanism, a moving mechanism and two wire clamping and aligning mechanisms, the stripping mechanism comprises an annular cutting assembly and a longitudinal cutting assembly, the annular cutting assembly is located on one side of the longitudinal cutting assembly, and a first annular cutter and a second annular cutter of the annular cutting assembly clamp the circumference of a cable and cut off the cable insulation layer in the circumferential direction. A first longitudinal cutter and a second longitudinal cutter of the longitudinal cutting assembly abut against the two opposite sides of the cable respectively to cut off a cable insulation layer in the axis direction. The moving mechanism comprises a first moving assembly and a second moving assembly which are vertically arranged, the first moving assembly extends in the axis direction of a cable, the stripping mechanism is arranged on the first moving assembly in a sliding mode, the first moving assembly is arranged on the second moving assembly in a sliding mode, and the two wire clamping and aligning mechanisms are coaxially arranged at the two ends of the first moving assembly. And the axes of the two wire clamping and aligning mechanisms are parallel to the axis of the first moving assembly.

The invention belongs to the technical field of concrete detection, and particularly relates to an intelligent automatic comprehensive tunnel detection trolley which comprises a movable carrier and a first mechanical arm installed on the movable carrier, and the execution end of the first mechanical arm is fixedly connected with a detection device. The detection device comprises an external main body, an elastic rod, a signal processing unit, a camera I, a distance sensor and a pressure sensor, the elastic rod is slidably connected to the inner side of the external main body, and the pressure sensor triggered by the bottom of the elastic rod is mounted at the inner bottom of the external main body; the elastic striking rod impacts the concrete surface through gas driving, the elastic striking rod returns through gas driving when returning, the gas pressure of the elastic striking rod impacting the concrete surface is adjusted according to the pressure value of the pressure sensor, and the first mechanical arm controls the detection device to move to the target position. The moving carrier can drive the first mechanical arm so as to drive the detection device to work in different areas, and therefore the high labor intensity of manual knocking work and the risk of slipping out of the hand are avoided.

A high-stability satellite communication device disclosed by the present invention comprises a mounting base, the top of the mounting base is provided with a mounting groove, the mounting groove is connected with a mounting plate through a vibration damping device, the upper side of the mounting plate is rotatably connected with a rotating column, and the side wall of the rotating column is fixedly connected with a second gear. The side wall of the second gear is in meshed connection with a first gear, the upper side wall of the mounting plate is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected to the bottom side wall of the first gear, and the upper end of the rotating column is connected with a satellite receiving disc through a pitching adjusting device. The system further comprises a central controller, and a damping regulation and control unit and a dynamic tracking unit are arranged in the central controller. According to the invention, the satellite receiving disc can still keep high-precision pointing under the conditions of high-frequency vibration and attitude change of the mobile carrier, and the signal stability is improved.

The invention provides an integrated plate type metal-supported solid oxide fuel cell or electrolytic tank and a power supply, and relates to the technical field of fuel cells. The battery or the electrolytic tank comprises a metal supporting body, an insulating layer, an electrochemical reaction unit and a conductive piece. The metal support body has a first surface, a second surface and a peripheral surface which are hermetically connected. And a flow channel for reaction medium materials is arranged between the first surface and the second surface. And the metal support body is provided with a plurality of ventilating through hole areas communicated with the flow channel of the reaction medium material. An electrochemical reaction unit is arranged on at least one surface of the metal supporting body, an insulating layer is arranged between the metal supporting body and the electrochemical reaction unit, and the through holes of the ventilation through hole area penetrate through the insulating layer. The conductive part is used for connecting the electrochemical reaction unit. The problems that a solid oxide fuel cell is difficult to seal, slow in start and stop, poor in thermal shock resistance, low in mass power density, low in output voltage and the like are effectively solved, and the solid oxide fuel cell is particularly suitable for portable power supplies, aircrafts, other mobile carrier power supplies and other scenes.

The invention discloses a least square covariance dynamic weighting satellite inertial navigation combined attitude determination method, which belongs to the technical field of combined navigation and mobile carrier attitude determination, is used for satellite inertial navigation combined attitude determination, and comprises the following steps: obtaining and preprocessing original data, constructing a nonlinear observation model, linearizing by using a Gauss-Newton iterative algorithm, and solving; performing time updating of an error state vector and a state covariance based on inertial navigation system mechanical arrangement; and reconstructing a measurement noise covariance matrix of extended Kalman filtering, constructing a measurement information vector, calculating Kalman gain, performing state updating, and outputting an attitude determination result. According to the method, the current epoch least square posterior covariance is introduced for dynamic weighting, so that instantaneous delay-free adaptive fusion is realized, the short baseline noise amplification effect is remarkably inhibited, and the attitude estimation precision, the statistical consistency and the real-time observation quality self-diagnosis capability under the complex sea condition are improved.

The invention discloses a visible light positioning method based on a single light source base station and double photosensitive position detectors. The method comprises: constructing a visible light positioning system; defining a world coordinate system, a PSD coordinate system and a PSD imaging coordinate system; calibrating two PSD internal parameters in the visible light positioning system by using a Zhang Zhengyou calibration method and an asymmetric dot calibration plate; the world coordinates of the LED light source and the external parameters of the PSD are calibrated; and determining the real-time coordinates of the mobile carrier in the world coordinate system. The method has the advantages that the double PSD receivers and the single light source base station are used for positioning the mobile carrier, positioning coordinate calculation can be carried out as long as the mobile carrier loaded with the double PSD receivers is located in the coverage area of one light source base station, operation is safe, easy and convenient, the degree of dependence on the light source density is reduced, and the applicability of the visible light positioning technology is enhanced.

The invention discloses a mobile off-grid energy storage system and a control method in the technical field of off-grid energy storage, the system comprises a mobile carrier, and an energy storage unit, a box transformer substation system and load interfaces arranged on the mobile carrier, the energy storage unit comprises a detachable battery system, and the load interfaces comprise an external load interface and an internal load interface; the output end of the battery system is connected to an external load interface and an internal load interface through the box transformer substation system, the external load interface is used for supplying power to an external load, the internal load interface is used for supplying auxiliary power to the battery system and the box transformer substation system, and an auxiliary power supply switch is further arranged between the internal load interface and the battery system; a plurality of energy storage units in the system simultaneously or respectively form an energy storage system with a rear-end box transformer substation system to supply power to a rear-end load, the control method of the system carries out battery system on-load switching according to the residual electric quantity of the battery system put into operation, the function that the off-grid energy storage system continuously supplies power to the load for a long time is achieved, and the use experience is greatly improved.

The invention relates to a flight flow measuring device, which comprises a flight platform, a flow measuring sensor module, an environment sensing module, an airborne calculation and control unit and a communication module, and is characterized in that the flight platform is used as an air moving carrier of the device, the flow measuring sensor module is carried on the flight platform, and the environment sensing module is carried on the flight platform; the airborne calculation and control unit is integrated in the flight platform, the airborne calculation and control unit is electrically connected with the flow measurement sensor module and the environment sensing module, and the airborne calculation and control unit is used for processing and fusing data and generating a flight control instruction. According to the method, the whole-process autonomous operation from takeoff to return flight is realized, the dependence on manpower and subjective experience is greatly reduced, and the method has the advantages of high safety, high environmental adaptability, high data detection precision, high autonomy degree, high task execution efficiency and remarkable reduction of economic cost.