127 results about "Large applications" patented technology

The invention relates to a mechanical arm visual servo control method and system based on deep reinforcement learning. Firstly, real-time state observation and collision detection are conducted on the mechanical arm, and an observation result is obtained; then, a deep reinforcement learning controller is built by means of a maximum entropy deep reinforcement learning SAC algorithm network architecture, and an action space, a state space and a reward function are built according to an observation result and a target position; and then, outputting a first action representation based on the construction content, optimizing a controller according to a calculation result of the first action representation and the reward function, smoothly optimizing the first action representation by using a real-time track interpolation strategy to obtain a second action representation, and controlling the mechanical arm joint according to the second action representation. And the process is continuously repeated until the mechanical arm successfully arrives at the target position. Compared with the prior art, the method has the advantages of high control real-time performance, large application range and the like.

The invention provides a small-sized long-time heat flow measurement sensor and a measurement method suitable for two inverse problem algorithms. The small-sized long-time heat flow measurement sensor and the measurement method are used for measuring heat flow by using a calibration integral equation method and a space propulsion method. The sensor comprises a shell, a heat insulation material, a heat conduction material, a first thermocouple and a second thermocouple, the shell is of a cylindrical structure with an opening in one end, a cylindrical heat conduction material which is coaxially arranged is arranged in the shell, the first thermocouple and the second thermocouple are arranged between the heat conduction material and the shell, and the collecting ends of the first thermocouple and the second thermocouple are embedded into the heat conduction material; and other areas between the heat conduction material and the shell are filled with a heat insulation material. The sensor is compact in structure and small in size, and can be embedded in a material for measurement. And meanwhile, the sensor has relatively high precision and stability, can accurately output a prediction solution of a measuring point in short-time or long-time measurement, and has a relatively large application range and practicability.

The invention discloses mixed analysis middleware based on a cross-type database and a query method. The mixed analysis middleware comprises a data source management module, a non-relational database object mapping module, a multi-tenant authorization management module, a context-independent grammar construction prediction analysis table, an expansion BNF elimination left recursion module and a distributed transaction control module. Through the middleware, the requirement that an application system needs to use data in a cross-database mode in the petroleum industry is met. Cross-database query of relational and non-relational databases is realized, database access and service modes are unified, large application systems and platforms containing various types of data storage products are supported, the development efficiency of the application systems is greatly improved, and the learning threshold of research and development personnel is reduced. Meanwhile, through the provided multi-tenant and authorization management, monitoring and review of data row-level security can be realized, sensitive data are effectively protected, and data leakage is prevented.

The invention discloses an opposite-feed waveguide antenna array unit and a waveguide antenna array. The opposite-feed waveguide antenna array unit comprises a 180-degree E-plane power divider, a first E-plane feeder, a second E-plane feeder, a first E-plane-H-plane waveguide converter, a second E-plane-H-plane waveguide converter, an H-plane waveguide and a radiation slot array. The differential feed and equant feed scheme has the advantages of wide working bandwidth, symmetrical directional diagrams, flexible change of the physical aperture of the antenna and the like, the problem of more pain points can be solved, the feed network of feed is more compact by optimizing impedance matching, the scheme has a larger application scene, and in the aspect of implementation, the application range of the antenna is widened. The antenna can be realized by welding after two layers of injection molding parts are metalized, and can also be realized by metalizing the same layer of injection molding parts and one layer of thin copper sheet, so that the thickness of the antenna can be obviously reduced.

The invention discloses an emergency power supply allocation method and system based on current detection. The method comprises the following steps: analyzing a total average current value and a total current change interval of a circuit to be managed; dividing power supply priorities; analyzing the access time of the emergency power supply; analyzing the power supply priority of the operation equipment; analyzing the total number of equipment supplied by the emergency power supply; establishing an optimal distribution function and constraint conditions, and optimizing the power supply of the emergency power supply; the priority of the emergency power supply for supplying power to the equipment is divided, normal operation of key equipment when the main power supply breaks down or is interrupted is guaranteed, the practicability of the emergency power supply is improved, meanwhile, after the emergency power supply is connected, power supply of the emergency power supply is optimized, the stability and safety of a circuit when the emergency power supply is connected are guaranteed, and the safety of the emergency power supply is improved. Moreover, the power distribution of the emergency power supply is more reasonable, and the maximum utilization of the limited capacity is realized. The method has the outstanding advantages of high efficiency, large application range, high reliability and the like.

The invention discloses a liquid-gas phase change flexible actuator based on solid-liquid phase change regulation and control. The actuator comprises a strip-shaped driving layer, a heat insulation layer and a variable stiffness layer which are tightly stacked in sequence, and every two adjacent layers of the driving layer, the heat insulation layer and the variable stiffness layer are fixedly connected; the driving layer is driven to deform by driving the heating wire, the rigidity-variable layer adjusts the rigidity of deformation at different positions of the driving layer through the rigidity adjusting and controlling heating wire, deformation and adjustment of any shape of the liquid-gas phase change flexible actuator are achieved through cooperation of the driving layer and the rigidity-variable layer, and therefore different working modes are achieved. According to the liquid-gas phase change flexible actuator based on solid-liquid phase change regulation and control, repeated and reversible regulation and control deformation of the actuator can be achieved, and the liquid-gas phase change flexible actuator has the advantages of being diversified in deformation form, high in response speed and low in energy consumption for keeping deformation and has a large application prospect.

The invention discloses an axial hybrid excitation doubly salient linear motor which comprises a primary, a secondary, an air gap between the primary and the secondary, permanent magnets, a primary pole and a secondary pole which adopt salient pole structures, an excitation winding and a three-phase armature winding are wound on primary teeth, the tooth pitch of the secondary teeth is larger than that of the primary teeth, the permanent magnets and the secondary pole are equal in length, and the length of the secondary pole can be larger than that of the primary. Magnetic fields generated by the permanent magnets and the electro-magnetic field form a main magnetic field of the motor. Exciting winding coils are wound on the primary teeth, and magnetic flux paths of all phases are the same. When the axial hybrid excitation doubly salient linear motor works, output torque pulsation can be reduced, the motor is novel in structure, reliable in performance and easy to control, and the axial hybrid excitation doubly salient linear motor is suitable for medium and small power generation or electric occasions such as the packaging industry, the numerical control machine tool field and a cordless elevator as a traditional radial linear motor. Therefore, the axial hybrid excitation doubly salient linear motor has a great application market.

This disclosure relates to a method, apparatus, storage medium, and electronic device for hot-updating applications. The method includes: starting a target application; creating a first object corresponding to an entry application class and initializing the attributes of the first object; loading a target class file, the target class file including the target application class, through a class loader; creating a second object corresponding to the target application class, and injecting the initialized attributes of the first object into the second object. The entry application class is a class registered with the operating system, while the target application class is a class not registered with the operating system. The entry application class is used to transfer calls to its own methods from the operating system to the target application class. This solution enables hot-updating of the target application class code without requiring modification of the target application class, making it applicable to large-scale applications.

The invention discloses a control method for high-altitude cleaning equipment, a processor, a control device and the high-altitude cleaning equipment. The control method comprises the steps that it is determined that a rolling brush of the high-altitude cleaning equipment is attached to a to-be-cleaned wall surface; the high-altitude cleaning equipment is controlled to execute cleaning operation; determining that an obstacle exists on the advancing path of the high-altitude cleaning equipment; the high-altitude cleaning equipment is controlled to execute obstacle avoidance operation, the height value of the obstacle is obtained, and the obstacle avoidance operation comprises far-away operation and obstacle-avoiding advancing operation; acquiring a vertical movement actual value of the rolling brush; determining that the obstacle avoidance operation is executed according to the vertical movement actual value and the height value; the high-altitude cleaning equipment is controlled to execute wall surface approaching operation; determining that the rolling brush is attached to the wall surface to be cleaned again; and the high-altitude cleaning equipment is controlled to continue to execute cleaning operation. The control method for the high-altitude cleaning equipment is simple and easy to operate, the operation precision of the high-altitude cleaning equipment is greatly improved, and the control method has a large application range and high practical applicability.

This invention provides a technique for microservice scheduling and improving data read / write efficiency based on runtime state analysis. Microservice systems have become one of the fundamental technology platforms for building large-scale, complex applications. By encapsulating modular information processing units in a lightweight virtual machine manner, high fault tolerance is achieved. Various application functions are orchestrated through service mesh to realize stable large-scale, complex application systems. Microservices often need to access multiple data sources or data lake systems, and the location of data has a critical impact on data read / write efficiency. For example, in a distributed storage system, having the execution node of a microservice coincide with or be close to the data storage node will greatly improve data processing efficiency. Addressing the efficiency problem of microservices in data-intensive scenarios in large-scale applications, this invention proposes a technique based on analyzing the runtime state of data read / write operations to determine the optimal location for microservice scheduling and execution. By shortening the data path, data I / O efficiency is effectively improved, enhancing the performance of building large-scale, data-intensive application systems based on microservices.

The utility model relates to the technical field of bus duct installation, in particular to an adjustable bus duct suspended anti-seismic support which comprises a bus duct body, the total number of guide plates is two, symmetrically distributed positioning rods are arranged on the guide plates in a sliding mode, clamping grooves are formed in the positioning rods, and the clamping grooves are connected with the guide plates in a sliding mode. The front positioning rod and the rear positioning rod which are close to each other are jointly provided with symmetrically-distributed movable plates in a sliding mode, the bus duct body is installed between the movable plates, and the side edge of the bus duct body is provided with an interface which is in butt joint with a cable. The movable plate in the device can be pulled open left and right and move up and down, width and height adjustment is achieved, flexibility is high, the application range is large, the actual application requirement of the bus duct body can be met, and adjustment can be conveniently conducted according to application conditions.

The invention discloses a construction method based on a front-end universal module, which comprises the following steps of: A, defining a universal module interface: according to the requirement of a front-end project, defining a group of universal module interfaces including an input parameter, an output parameter, a module function description, a data request module, a form verification module and a UI (User Interface) component module; b, formulating module development specifications: formulating a set of detailed module development specifications; according to the general module development, a large-scale application program is divided into a plurality of small modules, and each module has a specific function and responsibility, so that the code structure is clearer, the responsibility of each module is clear, and team members can understand and maintain conveniently; by supporting modular development, codes can be conveniently organized and managed, and the maintainability and expandability of the codes are improved; and the cooperation efficiency is improved for the team, and nodejs operation in different environments is allowed through the module, so that the flexibility and portability of codes are improved.

The utility model discloses an opposite-feed waveguide antenna array unit and a waveguide antenna array. The opposite-feed waveguide antenna array unit comprises a 180-degree E-plane power divider, a first E-plane feeder line, a second E-plane feeder line, a first E-plane-H-plane waveguide converter, a second E-plane-H-plane waveguide converter, an H-plane waveguide and a radiation slot array. The differential feed and equal feed scheme has the advantages of wide working bandwidth, symmetrical directional diagrams, flexible change of physical aperture of the antenna and the like, the problem of more pain points can be solved, a feed network for feed is more compact by optimizing impedance matching, the scheme has a larger application scene, and in the aspect of implementation, the antenna can be widely applied to the field of wireless communication. The antenna can be realized by welding after two layers of injection molding parts are metalized, and can also be realized by metalizing the same layer of injection molding parts and one layer of thin copper sheet, so that the thickness of the antenna can be obviously reduced.

The invention belongs to the technical field of memory scheduling. The invention discloses a memory scheduling and application acceleration method for an end-side heavy load scene. According to the embodiment of the invention, in a cold start process oriented to GB-level large-scale applications, in a multi-task scene of a mobile terminal, a vehicle-mounted terminal and the like, by uniformly scheduling a selective file preloading module, a self-adaptive memory recovery module and a context-aware process termination module, on the premise that application program codes are not modified, the application program codes can be quickly and efficiently started, and the application program codes can be quickly and efficiently started. The method comprises the following steps: modeling a file access mode and page type characteristics related to cold start, dynamically adjusting a preload object, a recovery strategy and a process termination sequence based on a preload memory budget and real-time memory pressure, preferentially retaining a key preload page, and selecting a background application with a relatively high net releasable memory and a relatively low short-term restart probability to terminate; and collaborative optimization of the cold start time delay and the background survivability under the constraint of the limited memory and the I / O bandwidth is realized.

The utility model discloses an LED video processing circuit and device. The circuit comprises a video signal processing module and at least one video signal transceiver module. The video signal processing module comprises a video interface and a V-By-One interface; the video interface is connected with a video source, the plurality of video signal receiving and transmitting modules are sequentially connected in series and are respectively connected with an LED, and the V-By-One interface is connected with the first video signal receiving and transmitting module. According to the technical scheme provided by the embodiment of the utility model, the video signal processing module adopts the V-By-One interface to carry out video signal transmission, supports video information transmission with 4K super-definition resolution, is higher in transmission rate, supports synchronous transmission of image information and audio information, greatly reduces the number of I / O interfaces occupied during video signal transmission, and improves the transmission efficiency. The display effect of the LED during video projection is improved, and the on-load requirements of medium and large LED application scenes are met.

The utility model relates to an ABS cover shell double-station automatic punching mechanism which comprises a bottom plate and side plates, a clamping air cylinder and positioning plates are arranged on the bottom plate, a push plate is fixedly connected to a piston rod of the clamping air cylinder, clamping plates are fixedly connected to the two sides of the push plate, springs are arranged between the positioning plates and the bottom plate, and the positioning plates and the clamping plates are arranged in a one-to-one correspondence mode. A punching air cylinder and a guide rail are fixedly connected to the side plate, a sliding table is fixedly connected to a piston rod of the punching air cylinder, a two-way lead screw and an inclined block are arranged on the sliding table, the two-way lead screw is rotationally connected with the sliding table, guide plates are slidably connected to the two sides of the guide rail, a lifting rod is slidably connected to each guide plate, and a punching tool bit is detachably connected to the lower end of each lifting rod. The upper end of the lifting rod is connected with the inclined groove in a sliding mode. The double-station punching device has the advantages that the double-station punching device can adapt to double-station automatic punching treatment of ABS housings of different specifications, a plurality of air cylinders do not need to be used for driving punching, the application range is large, and cost is low.

A method and device for drawing a power grid flow section, the method comprising: obtaining a moving trajectory of a cursor; performing point processing on the moving trajectory to obtain a number of key points; based on the several key points, using a cubic spline interpolation method to calculate a curve equation and draw a curve; calculating the function value of the curve equation according to a preset step length accuracy to obtain a number of data points on the curve; performing three-dimensional drawing according to the positions and connection relationships of the several data points to obtain a three-dimensional section. The method and device provided by the embodiment of the present invention solve the problems of the existing power grid section drawing being difficult to operate and adjust, the display being not intuitive, and the application being limited; the power grid flow section drawing can be made simpler and easier to operate, and can be applied to complex regional conditions such as curved boundaries of a region, with universal applicability, and the three-dimensional section is more intuitive.

The utility model discloses a large-capacity anti-skidding ceramic fruit basket which comprises a ceramic fruit basket body, supporting plates are fixedly connected to the four side faces of the ceramic fruit basket body, the tops of the four supporting plates are fixedly connected through a lifting handle, the top of the ceramic fruit basket body is fixedly connected with a movable frame through a capacity increasing folding cover, and the movable frame is fixedly connected with the bottom of the ceramic fruit basket body. Sliding sleeves are fixedly connected to the four side faces of the movable frame, locking pieces are fixedly installed on the outer sides of the sliding sleeves, reinforcing supporting pieces are further fixedly installed on the four side faces of the ceramic fruit basket body, and the lifting handle comprises four vertical rods and four horizontal rods. The large-capacity antiskid ceramic fruit basket is reasonable in structural design and convenient to use, the containing capacity of the ceramic fruit basket can be adjusted according to the number of fruits to be contained, the operation process is simple, the placement stability of stacked fruits can be guaranteed, the stacked fruits are not prone to slipping off, and the large-capacity antiskid ceramic fruit basket has high practicability and a large application range.

The airflow power plant and the energy fund storage system provide a sustainable, low-maintenance and scalable solution for continuous and trouble-free energy generation. While the airflow power plant continuously ensures sustainable production of energy, the surplus energy generated is stored in innovative, low-maintenance and location-independent energy fund storage systems when demand is lower. These systems, which can be implemented in a space-saving manner in a vertical or inclined structure, ensure that the stored energy is immediately available when the demand for energy increases. The use of natural pressure differences and the use of gravitational forces make it possible to flexibly adapt the system to different locations and energy demands, as a result of which both small and large infrastructures can be developed. This solution maximises energy efficiency and provides a versatile, adaptable storage option for renewable energies. The functionality is based on the use of natural environmental conditions, such as air pressure differences between valley and peak positions, temperature differences as a result of the altitude, additional heat sources as required, storage by gravitational force and flexible air pressure and temperature control. With these elements, the system adapts flexibly to different locations and energy demands, as a result of which it is suitable both for small and for large-area applications. This maximises energy efficiency and provides a versatile, adaptable storage option for renewable energies.

The invention provides a full-automatic bar round sample preparation system. The full-automatic bar round sample preparation system comprises a bar sample preparation device, a laser marking device for marking codes on sample blanks, an automatic clamping and conveying device for clamping and conveying the sample blanks to the laser marking device for marking, and a finished product rack device for placing finished sample blanks, the bar sample preparation device comprises a rack, a clamping and positioning mechanism, a first driving mechanism, milling mechanisms and a second driving mechanism, wherein the first driving mechanism is arranged on the rack and used for driving the clamping and positioning mechanism to move front and back; the milling mechanisms are arranged on the left side and the right side of the rack respectively; the second driving mechanism is used for driving the milling mechanisms to move left and right; the elastic clamping and material taking mechanism is arranged on one side of the rack. The device has the advantages of being good in stability, suitable for bar blanks of various specifications and the like, meanwhile, the machining efficiency and the automation degree are high, the ex-factory efficiency of steel can be guaranteed, and the device has large application and popularization value.

The invention discloses an entrance door side suspension type whole body disinfection device which comprises a disinfectant box, a conveying pipe and a spray nozzle box, the disinfectant box and the spray nozzle box are fixed beside an entrance door through fixing holes in a bolt penetrating (or gluing) mode, a plurality of spray nozzles are arranged on the side, close to the entrance door, of the spray nozzle box, and the spray nozzles are arranged on the side, close to the entrance door, of the spray nozzle box. The spraying nozzles are communicated with the discharge end of a diaphragm pump in the disinfectant box through a conveying pipe, the suction end of the diaphragm pump is communicated with the disinfectant storage box, and the spraying nozzles face the entrance door after the spraying nozzle box is opened and are distributed at different positions in front of and behind the entrance door, so that the whole body can be disinfected before entering a room. The method has the advantages of being simple, practical, large in application market and easy to popularize.

The invention discloses an optical programming driven soft robot for multi-material integrated printing. The robot comprises a visible light response layer and a near-infrared light response layer which are horizontally arranged and are made of materials with different absorbance, the visible light response layer comprises four driving blocks, one ends of the four driving blocks extend outwards from the same center to form a centrosymmetric cross structure, the other ends of the four driving blocks are embedded inwards, and the near-infrared light response layer and the four driving blocks are mutually embedded. The near-infrared light response layer is of a cross-shaped structure, and the cross sections of the near-infrared light response layer and the visible light response layer are the same, so that the near-infrared light response layer and the visible light response layer are According to the driving method, deformation aerial grabbing and omni-directional movement in water are achieved by irradiating light of corresponding colors. According to the multi-material soft robot, integrated printing of the multi-material soft robot can be achieved, the two working modes of grabbing in the air and carrying on the water surface are achieved under programming control driving of multiple kinds of light, application expansion among different environments is achieved, and the multi-material soft robot has a large application prospect.

The utility model discloses concrete slump measuring equipment, which relates to the technical field of concrete quality inspection equipment and comprises a slump bottom plate, a slump cylinder, a horizontal support, a fixed pedal, an L-shaped mounting rod, a horizontal lever, a horizontal ruler and a vertical ruler. The middle of the upper end of the horizontal lever is rotationally arranged on the lower portion of the end of a transverse rod of the L-shaped mounting rod, vertical rulers are movably arranged on the two sides of the lower end of the horizontal ruler respectively, and fixing pedals used for fixing equipment are arranged on the two sides of the horizontal support respectively. According to the device, when the measuring scale is rotated for measurement, the horizontal ruler can be always kept horizontal, higher measurement precision is achieved, the height of a mixture can be measured while the horizontal ruler is rotated by lifting the L-shaped mounting rod, and the device has a large application range.

The application relates to the field of automobile suspensions, in particular to a multipurpose stabilizer bar connecting rod and a stabilizer bar assembly, which comprises a connecting shaft, one end of the connecting shaft is connected with an upper ball pin seat, the other end of the connecting shaft is connected with a lower ball pin seat, the connecting shaft comprises an upper shaft and a lower shaft, the lower shaft is provided with a plug-in groove near one end of the upper shaft, the upper shaft is plugged into the plug-in groove at the end of the lower shaft; the upper shaft and the lower shaft are connected through a fixing mechanism; the application discloses a multipurpose stabilizer bar connecting rod; the stabilizer bar connecting rod is designed as a two-section structure, the length of the connecting rod can be adjusted according to actual needs in actual use, and the stabilizer bar connecting rod disclosed by the application has a large application range.

The invention provides a groove filling method and a semiconductor device, in the groove filling method, a flowing silicon source is firstly filled in a groove, and the flowing silicon source has good flowing performance and rises from the bottom of the groove until the groove is filled, which has no special requirement on the shape of the groove. No matter in any groove shape, the flowing silicon source can be fully filled from the bottom. And then, through subsequent curing, ion implantation and annealing steps, a filling substance is formed in the groove. Therefore, the groove filling method has no special requirement on the shape of the groove, and has a larger application range compared with the existing groove filling process. Especially, for a groove with a high aspect ratio, the groove filling method of the embodiment still can fill a filling substance with good quality in the groove, so that the process requirement and the product requirement are met, and the performance of the semiconductor device is ensured.

The present invention discloses a method for testing the surface thickness of a highway asphalt pavement based on three-dimensional holographic detection technology. The method calculates the relative elevation at the full-section position of the pavement at the measuring point i through three-dimensional detection data; obtains the designed cross slope of the road section and the surface thickness control parameters at the corresponding measuring point i, and calculates the elevation of the top surface of the surface layer after the construction of the corresponding measuring point i is completed; calculates the thickness of the full-section surface layer after the construction is completed; and calculates the qualified number of measuring points m to obtain the qualified rate of the pavement surface layer thickness after the construction is completed. The method of the present application can provide reasonable control parameters for construction, belongs to a pre-control means, has a large application range, and is a simple, easy and objective test method.

The utility model provides a chest support structure of a sitting posture corrector, and belongs to the field of sitting posture correction appliances. Comprising a breast jacking plate and two breast jacking pieces, a cavity is formed in the breast jacking plate, a square limiting frame is transversely fixed to the inner wall of the cavity, two sliding blocks are arranged in the limiting frame in a sliding mode, a linkage rod is rotationally arranged in the limiting frame, and the outer wall of the linkage rod is provided with two threaded parts with opposite thread directions; the two sliding blocks are provided with threaded holes which allow the two ends of the linkage rod to penetrate through and are in threaded fit with the threaded parts at the two corresponding ends respectively, connecting columns are fixed to one ends of the sliding blocks, limiting holes allowing the connecting columns to penetrate through are formed in the breast jacking plate, and one ends of the two breast jacking pieces are fixed to the ends, penetrating through the limiting holes, of the two corresponding connecting columns respectively. The chest supporting device is convenient and simple to operate, the distance between the two chest supporting pieces is effectively adjusted, people with different use requirements can use the chest supporting device conveniently, and the application range is wide.

The present application provides a CUDA program transplantation method, device, electronic device and storage medium, and relates to the field of code transplantation technology. The method includes: obtaining the code file and compilation and construction rules of the CUDA program to be transplanted from the CUDA platform; determining its compilation and construction process information; converting the CUDA related code in the file to be transcoded in the code file into HIP code to obtain the transcoded file; modifying the compilation and construction rules corresponding to the transcoded file based on the compilation and construction process information, and using the transcoded file and the modified compilation and construction rules as the program source code; compiling the program source code based on the compilation and construction rules, and then migrating the program source code to the ROCm platform. The method uses HIP to transplant the CUDA program into a cross-platform program compatible with NVIDIA and AMD, and also analyzes and modifies the compilation and construction information, which can convert the CUDA code of large applications and improve the efficiency of transplantation.

The present application provides a method and an electronic device for augmented reality three-dimensional registration. The method includes the following steps: obtaining an initial position and an initial rotation angle of a virtual three-dimensional model; determining three planes of a physical object target and three planes of the virtual three-dimensional model according to user selection and a plane generation method, so as to determine a position offset and a rotation offset between the physical object target and the virtual three-dimensional model; determining a target position of the physical object target according to the initial position and the position offset; determining a target rotation angle of the physical object target according to the initial rotation angle and the rotation offset; updating the position of the virtual three-dimensional model to the target position and updating the rotation angle of the virtual three-dimensional model to the target rotation angle to complete the three-dimensional registration of augmented reality. The solution provided by the present application can complete the three-dimensional registration of augmented reality in cases of large-scale scenes, weak texture environments, and large target objects, and is applicable to large-scale application scenarios such as shipbuilding and construction engineering.

The utility model belongs to the technical field of heat exchangers, and particularly relates to an elastic compensation structure for a fluoroplastic GGH heat exchanger. The elastic compensation structure comprises a fixed connecting rod unit used for connecting a shell and a header pipe, a limiting pore plate unit arranged on a heat exchange pipe end plate and connected with the fixed connecting rod unit in a sleeved mode, and an elastic connecting pipe unit with one end connected with the limiting pore plate unit and the other end connected with the header pipe. The heat exchange tube end plate at least has the beneficial effects that the elastic sealing connection effect of a foundation is achieved, the application range is relatively large, and particularly, the specific shape and size of the heat exchange tube end plate are not greatly limited.