50results about How to "Reduce adaptation costs" patented technology

The invention relates to the technical field of automatic driving, in particular to an open type automatic driving safety management system and method supporting multi-benefit-party strategy arbitration, and the system comprises an open type safety strategy interface module which is used for defining a standardized strategy description specification; the strategy plug-in management module is used for receiving and loading the strategy plug-ins conforming to the strategy description specifications; the perception and fusion module is used for collecting the vehicle state data, the environment perception data and the service context data and fusing the data to generate a unified context model; the multi-strategy evaluation module is used for screening a candidate strategy set according to a unified context model and a trigger condition when an abnormal event is detected, and evaluating and selecting an optimal strategy; and the strategy execution and monitoring module is used for executing the action template corresponding to the optimal strategy. According to the invention, the automatic driving vehicle can select adaptive degradation strategies according to different operation scenes and business requirements, and the adaptability of the system to diversified business scenes is improved.

The invention belongs to the technical field of computer software and data processing, and provides a differential upgrading method for a compressed file, which is divided into a differential stage and a reduction stage: the differential stage: decompressing an original compressed package of a starting version and an original compressed package of a target version; unifying and standardizing file permissions for the two decompressed folders, and modifying, accessing and changing timestamps; re-compressing to generate a first new compressed file and a second new compressed file with byte-level certainty; generating a first difference file based on the difference between the standardized directory structure and the content; comparing the second new compressed file with the original compressed file of the target version, performing lossless analysis on the ZIP metadata, and performing structured modeling on difference information to generate a second difference file; in the reduction stage, standardization, first differential reduction, recompression and second differential driven metadata accurate reconstruction are sequentially executed, and a result completely consistent with the byte level of the original compressed file of the target version is output. According to the method, the differential compression ratio and the restoration fidelity can be improved.

The invention relates to the technical field of Internet of Things communication, discloses an Internet of Things multi-Android client state synchronization method, and solves the problems of poor state consistency, high back-end dependence, large delay and insufficient compatibility in the prior art. According to the scheme, the method comprises the steps that after a client completes initialization, MQTT connection with a rear end is established, an MQTT state message pushed by the rear end is monitored, after the message is received, equipment state information is obtained through analysis, local state cache and a UI interface are updated, meanwhile, the client serves as a distribution node, a UDP synchronization message containing the equipment state and the IP of the distribution node is established, and the UDP synchronization message is sent to the client. The UDP synchronization message is broadcasted to the local area network, other clients in the local area network receive the UDP synchronization message and then verify whether the distribution node IP is the client in the local area network, if the verification is passed, the message is analyzed, the state updating timestamp and the local cache timestamp are compared, and the local state cache and the UI interface are updated only when the state updating timestamp is larger.

The application is a kind of automation testing and application fluency testing method based on control matching, relating to the field of Android end automation testing.The application method comprises: setting a test script containing behavior simulation and fluency determination in advance, reading the corresponding test script after the Android end receives a test command; acquiring interface control structure positioning target control, executing simulation operation; starting timing after each simulation operation, and acquiring all control elements of the current interface when reaching the set time threshold, judging whether the interface is loaded or not in combination with the interface structure information recorded in the fluency determination script; obtaining application fluency determination result according to the interface loading condition at different time thresholds and returning to the server end.The application does not need to acquire ROOT permission, does not need to connect PC end for testing, is safer, is more convenient to use, reduces the adaptation cost, and is higher in testing accuracy and testing speed.

This invention provides a method and system for reconstructing the full-band electrochemical impedance spectroscopy (EIS) of lithium-ion batteries. The method includes: performing distributed relaxation time (DRT) analysis on each group of battery EIS samples to obtain DRT spectra; aligning the DRT spectra on the logarithmic time constant axis and performing ensemble statistics, selecting peaks and / or valleys that stably appear under multiple operating conditions based on statistical stability, and mapping them to obtain a set of conditionally invariant characteristic frequencies; selecting characteristic frequency points that satisfy the sampling budget from the set of conditionally invariant characteristic frequencies, and performing sparse EIS measurements on the target battery at these characteristic frequency points to obtain sparse complex impedance inputs; generating a full-band complex impedance sequence based on the sparse complex impedance inputs using an autoregressive reconstruction model; and performing battery state estimation and fault diagnosis based on the full-band complex impedance sequence. This invention significantly improves the continuity of the spectral shape and the generalization ability across operating conditions under sparse sampling conditions, while reducing the full-spectrum testing time and sampling burden.

The utility model relates to the technical field of grinding device cooling, and discloses an inclined spraying type rotating shaft for a grinding wheel, which comprises a first shaft body and a second shaft body, the flow guide channel penetrates through the outer wall of the first shaft body; the included angle between the center line of the liquid outlet of the flow guide channel and the axis of the first shaft body is an acute angle; the second shaft body is used for coaxially installing a grinding wheel. The grinding wheel cooling device has the effect that the grinding wheel with the short length can be cooled conveniently.

The invention provides a super-node server capable of configuring a network topology structure and a computing cluster system, and relates to the field of computers, and the implementation scheme is that the super-node server capable of configuring the network topology structure comprises at least one basic computing power unit, a first interconnection component and a second interconnection component; the basic computing power unit comprises four computing cards, and each computing card is provided with a first group of interconnection interfaces and a second group of interconnection interfaces; the first interconnection component is connected with the first group of interconnection interfaces, so that the computing cards in the basic computing power unit are connected according to a preset network topology structure; the second interconnection component is connected with the second group of interconnection interfaces so as to realize interconnection among the plurality of basic computing power units; the first interconnection component is a replaceable interconnection module, and the super node server is configured to switch the network topology structure by replacing the first interconnection component. According to the embodiment of the invention, various network topology configurations can be supported, and the universality and expansibility of the server are improved.

The invention relates to the technical field of computers, and provides an adaptive adjustment method based on reinforcement learning, computer equipment and a medium. The adaptive adjustment method comprises the following steps: obtaining an input state, player actions and reference actions; and selectively adjusting the tolerance coefficient parameter or maintaining the tolerance coefficient parameter at least based on the difference between the player action and the reference action through an adaptive adjustment module, so that the difference between the player action and the reference action is stabilized in a preset range.

The application discloses a kind of industrial production safety early warning analysis methods for multi-modal data, belong to industrial production safety monitoring technical field.S1, numerical text, audio and video, time series multi-modal data in industrial production are preprocessed, and unified format multi-modal feature data are obtained;S2, the data obtained in S1 are executed time, space, semantic alignment processing, and the fusion multi-modal feature data of space-time semantic consistency are obtained;S3, the data obtained in S2 are integrated processing of neural symbolization data, and integrated feature vector is output;S4, multi-model collaborative early warning analysis is carried out based on integrated feature vector, and the final early warning conclusion is generated;S5, four-level early warning grading response operation is executed;S6, dynamic optimization is carried out by comparing early warning result and actual disposal effect, and model parameters and strategy are updated.The above method is used, multi-modal data are fused, early warning is accurate, response is fast, adaptability is strong, can be dynamically optimized, and industrial production safety is comprehensively guaranteed.

The invention discloses an output method based on 32-bit single-chip microcomputer firmware upgrade memory anti-overflow protection, and relates to the field of single-chip microcomputer memory anti-overflow protection, and the method specifically comprises the following operation steps: S1, environment variable configuration and management; s2, performing core execution of the Python automatic script; s3, performing anti-overflow protection on the memory; and S4, cleaning redundant files and environment variables. According to the output method based on the 32-bit single-chip microcomputer firmware upgrade memory anti-overflow protection, the file path is defined as the environment variable and stored in the independent configuration file in a centralized mode, complete separation of the path and script logic is achieved, the non-transplantable problem caused by a hard coding path is avoided, meanwhile, the adaptation cost in different environments is reduced, and the adaptation efficiency is improved. Operators do not need to modify script codes and only need to adjust configuration files to complete deployment.

The application provides a DC-DC converter adaptive twin control method based on improved Bayesian optimization, comprising the following steps: based on the operation mechanism of the DC-DC converter, a static digital twin mechanism model is constructed under the condition that the parameters of the converter are constant; the time-varying parameters in the physical entity of the DC-DC converter are identified by using an extended Kalman filter, and the identification result is transmitted to the static digital twin mechanism model for updating, so that a dynamic digital twin model is constructed; an improved Bayesian optimization-based controller parameter optimization algorithm is designed to adaptively modify and optimize the controller parameters; and when the control performance of the DC-DC converter is degraded, the controller is fine-tuned based on the dynamic digital twin model and the controller parameter optimization algorithm. Through the digital twin and the controller parameter optimization method, the application effectively solves the problems of difficult accurate capture of time-varying parameters and degradation of control performance in the operation of the converter.

The utility model discloses a kind of thread rolling wheel cleaning devices, including workbench, the top of the workbench is provided with fixed assembly, the outside of the fixed assembly is provided with thread rolling wheel, the top of the workbench is provided with cleaning assembly, the fixed assembly includes vertical plate, the thread rolling wheel is sleeved in the outside of multiple fixed struts, the cleaning assembly includes intercommunication box, the intercommunication box is located above thread rolling wheel, the utility model relates to thread rolling wheel cleaning technical field;The thread rolling wheel cleaning device, by the adjustable structure of fixed assembly, with the linkage of screw rod, moving block and connecting rod, realize that fixed strut spacing is flexibly adjusted, can be firmly adapted to different size thread rolling wheel, without replacing fixed component, reduce equipment adaptation cost.Simultaneously servo motor drives thread rolling wheel rotation, cooperate with the precision flush of the spray head corresponding with groove one to one, compared with artificial cleaning, greatly improve cleaning efficiency and cleanliness, avoid impurity residue influence machining precision.

The application discloses a zero sample video classification method based on frame-level cache and video-level cache updating. First, visual features and text features of a test video are extracted. Then, cosine similarity calculation is performed on the test video and text prototypes of each category to obtain cross-modal zero sample matching results, which contain predicted pseudo labels and prediction result entropy. According to the prediction result entropy and time sequence probability difference criterion, the credibility of each frame is measured, and a two-stage Top-K strategy is adopted. First, high-confidence frames satisfying a preset value are selected according to the prediction entropy, and then frames most discriminative in time sequence are further selected according to the time sequence probability difference for caching. A video-level cache updating module is used to maintain the cache. Visual features of the test video are matched with visual prototypes in the cache of each category to obtain same-modal matching results. The cross-modal zero sample matching results and the same-modal matching results are fused to obtain final inference results.

This invention discloses a method for full lifecycle debugging of RTOS in AMP systems based on Linux terminal penetration. The core steps of this method include: during system initialization, loading an enhanced inter-core communication driver, configuring multiple functional channels and shared memory, completing interactive terminal application initialization, and adapting to multi-mode interaction; during command pass-through and forwarding, capturing user input and processing it differently, encapsulating it according to a preset protocol, and achieving differentiated transmission through an adaptive window flow control algorithm; during real-time response echoing, ensuring interaction consistency based on bidirectional state synchronization and precise terminal simulation; and during the full lifecycle startup log capture stage, achieving full startup log capture, Linux-side time alignment, and late-start recovery. This invention requires no additional hardware, reduces debugging costs and system resource consumption, improves multi-core collaborative debugging efficiency, achieves full lifecycle debugging coverage of the RTOS, and is adaptable to resource-constrained small-core scenarios.

The invention discloses a game assisting method, an intelligent glasses system, equipment, a medium and a product, the intelligent glasses system comprises intelligent glasses, the intelligent glasses comprise an intelligent glasses body, and a camera module, a main control chip and a multi-mode prompting unit are carried on the intelligent glasses body; the camera module is used for collecting video data of a game scene; the microphone array is used for capturing audio data of a game scene; the main control chip is used for generating game auxiliary information based on the video data and the audio data; and the multi-mode prompting unit is used for performing multi-mode prompting on the game player according to the game auxiliary information. According to the embodiment of the invention, the multi-modal data is collected through the intelligent glasses, game assistance is carried out according to the multi-modal data, auxiliary software is not needed, and the adaptation cost is reduced. Meanwhile, the intelligent glasses display the game picture and the auxiliary tool interface at the same time, so that the game player does not need to frequently switch the sight line between the game picture and the auxiliary tool interface, and the game concentration is improved.

This invention discloses an automated performance simulation system for integrated circuit chips based on virtualization technology, belonging to the field of integrated circuit chip design simulation technology. The system includes: a virtualization modeling module, used to construct a configurable virtual hardware environment functionally equivalent to a physical chip based on virtualization technology, complete the full-parameter modeling of the chip to be simulated, and output a chip design parameter dataset; a machine learning inference module, with a built-in dual-path decoupled neural network model with physical prior constraints, used to receive the chip design parameter dataset and output predicted values ​​of performance indicators and a ranking of the causal contribution of performance bottleneck parameters; and a model training module, bidirectionally connected to the machine learning inference module, used to complete the pre-training, incremental adaptation, and closed-loop iterative optimization of the dual-path decoupled neural network model. This invention reduces the cost of adapting to new chips, shortens the R&D process, and achieves automated, high-precision, and efficient simulation of integrated circuit chips.

The present disclosure relates to a mine trackless rubber-tyred vehicle component detection method and device. The method comprises: using a pre-trained DINOV3 model to extract features from image data to obtain general semantic features; using a pre-trained YOLOv8 model to extract features from the image data to obtain initial features; training the YOLOv8 model based on the loss value between the semantic features and the initial features to obtain a trained YOLOv8 model and target features output by the trained YOLOv8 model; using the YOLOv8 model to identify the target features to obtain an initial detection result of a mine trackless rubber-tyred vehicle component, and evaluating the accuracy of the initial detection result to obtain an evaluation result; and determining the initial detection result as a target component detection result if the evaluation result meets a preset condition. The present scheme can shorten the detection model training period in a new scenario.

The application discloses a single-phase photovoltaic energy storage converter and a control method thereof, relates to the technical field of photovoltaic charging and discharging control, and comprises a front-stage bidirectional power conversion unit, a rear-stage single-phase inversion unit, an integrated main control unit and a wide-voltage adaptation control unit. The input end of the front-stage bidirectional power conversion unit is used for being connected with a direct-current power supply, and the output end is connected with the direct-current bus end of the rear-stage single-phase inversion unit. The output end of the rear-stage single-phase inversion unit is used for being connected with a power grid or a load. The integrated main control unit is electrically connected with the front-stage bidirectional power conversion unit, the rear-stage single-phase inversion unit and the wide-voltage adaptation control unit respectively, and is configured to perform integrated collaborative control of double-mode switching, power conversion, battery management and energy scheduling. The wide-voltage adaptation control unit is connected with the front-stage bidirectional power conversion unit, and the front-stage bidirectional power conversion unit is configured to work in full-condition soft switching within a wide direct-current input voltage range.

This invention relates to the field of solenoid valve technology, specifically to a small-flow solenoid valve that combines structural support and flexible sealing. It includes a stainless steel sleeve, with a magnetic core slidably connected inside the sleeve. A plug is slidably connected inside the sleeve above the magnetic core, and a cylindrical spring is fitted inside the plug. A coil cover is installed outside the sleeve, and an electromagnetic coil is wound around it. A brass or stainless steel valve seat is fixedly connected to the outer wall of the sleeve below the magnetic core, and a return spring is fitted on the inner wall of the brass or stainless steel valve seat. This invention precisely adapts to the transition between small and medium flow rates, solving the problem of flow polarization in existing solenoid valves. It meets the actual usage needs of small-flow refrigeration units such as air conditioners and ice makers, eliminating the need for customized products and reducing adaptation costs for OEMs.

The utility model discloses an electronic scale roller relates to electronic scale technical field, including electronic scale installation box and the fixed mounting seat of electronic scale installation box inside, one side of fixed mounting seat is equipped with the installation connecting block, one side of installation connecting block is equipped with electronic scale sensor, including the weighing connecting block of installation in one side of electronic scale sensor, one side of weighing connecting block is equipped with the mounting bracket, one side of mounting bracket is equipped with the mounting sleeve, and the dynamic weighing can be completed through the roller movement of article, need not stay, adapts the continuous operation scene, and the weighing efficiency is greatly promoted, and the device is equipped with the spacing adjusting block that weighs the connecting block and is positioned, and the rigid support is formed when the both abuts when overweight, and the excess weight is borne, and the electronic scale sensor is effectively protected, and the equipment maintenance cost and downtime are reduced, and lifting can be driven spacing adjusting block through the motor of rotation simultaneously, and the electronic scale sensor of flexible adaptation different specifications, need not whole replacement equipment, and reduce the adaptation cost.

This invention relates to the field of flight simulator technology, and discloses a method, system, and medium for digital synthesis of engine noise in an aircraft flight training simulator. The method first collects audio samples of a real aircraft engine under multiple different operating conditions and simultaneously records the corresponding engine operating parameters. After performing spectral analysis on the audio samples, a spectral difference database of engine noise is constructed. Then, in the real-time audio rendering thread of the simulator's host, the current engine operating parameters are received and interpolated and dynamically filtered in conjunction with the spectral difference database to output the synthesized engine noise audio signal. This invention uses spectral difference analysis and dynamic filtering control to achieve engine noise synthesis, and directly extracts spectral features from real aircraft recordings to drive the synthesis process. While ensuring high fidelity in acoustic characteristics, it achieves a flight simulator engine noise synthesis output that combines high fidelity, high real-time performance, and smooth continuity.

The invention relates to the field of gas turbines, in particular to a marine gas turbine contact type blade tip clearance measuring device, which comprises a graphite rod, a cylindrical section of the graphite rod is inserted into a central assembly hole of a switching section, and a first copper gasket is padded between a step surface of the graphite rod and the upper end surface of the assembly hole of the switching section; the height of the graphite rod protruding out of the inner wall of the casing is adjusted by adjusting the thickness of the first copper gasket, the hemispherical contact end of the graphite rod is higher than the inner wall of the casing and makes contact with the blade top of the combustion turbine, a nut is screwed to the threaded structure of the exposed end of the graphite rod, and the graphite rod and the switching section are axially locked through the nut. Through a winding and tensioning structure of the locking plate and the locking wire, the positioning piece is matched to limit the switching section in the circumferential direction and the radial direction, so that high-frequency vibration during operation of the gas turbine is effectively resisted, measurement basis change caused by nut loosening or switching section displacement is avoided, the stability of contact between a graphite rod and a blade top is ensured, and the measurement accuracy is improved. And the device adapts to the complex operation environment of the marine gas turbine.

The invention discloses a dual-protocol integration system and method for communication equipment maintenance and detection equipment and a knowledge base, and belongs to the technical field of communication equipment maintenance and intelligent diagnosis. Comprising a detection equipment dual-protocol access layer, a data fusion layer, a customized knowledge base layer and an inference engine layer which are in communication connection in sequence, the detection equipment dual-protocol access layer is provided with a dual-protocol adaptive interface module and an equipment verification unit which are in communication connection with each other, the dual-protocol adaptive interface module supports cooperative work of a Socket protocol and a VNC protocol, and dual requirements of real-time transmission of detection data and remote control of equipment are met; according to the communication equipment maintenance and detection equipment and knowledge base dual-protocol integration system and method, the data transmission delay is less than or equal to 30 ms, the remote control response delay is less than or equal to 100 ms, the fault positioning accuracy is greater than or equal to 96%, the knowledge base can absorb newly added fault cases within 1-3 days, and the communication equipment maintenance efficiency and adaptability are greatly improved.

The invention discloses a universal three-temperature test system for a proximity switch. The system comprises a high and low temperature test box, a proximity switch detection device, a servo motion mechanism, an acquisition control system and a man-machine interaction system, the proximity switch detection device is installed in the high-low temperature test box, and the servo motion mechanism penetrates through the back of the test box to be connected with the proximity switch detection device in the test box and is used for controlling the distance between the proximity switch detection device and the induction face of the proximity switch to be detected, and measurement of the induction distance, repeated precision and return difference parameters of the proximity switch is achieved. The acquisition control system communicates with the servo movement mechanism, controls the servo movement mechanism to move according to the measurement stroke of the proximity switch, and simultaneously acquires, controls and monitors the state of the proximity switch in the high-low temperature test box; the man-machine interaction system carries test system software and is used for controlling the temperature change process in the high and low temperature test box according to setting, carrying out data processing on proximity switch information collected in the test process, drawing an electrical characteristic curve of the proximity switch under the three-temperature test condition, making a report and storing the report. According to the invention, automatic testing of electrical performance parameters of the proximity switch at different temperatures can be realized, the problem of difficulty in manual testing of the proximity switch at high temperature and low temperature is solved, and the production and delivery efficiency of the proximity switch is improved.

The utility model relates to printing auxiliary equipment technical field, concretely discloses a kind of buffer paper storage frame of rotary inkjet printing machine, including storage rack, support plate, adjusting structure, rotating rod and fixed structure, storage rack both sides are respectively provided with support plate, installation groove is opened in the side of support plate close to storage rack, adjusting structure is set in the inside of support plate one side installation groove, rotating rod is set in the inside of storage rack, sliding slot is opened in the outer surface of rotating rod, fixed structure is set in the inside of the outer surface sliding slot of rotating rod, fixed ring is respectively set in the outer surface of the both ends of rotating rod, fixed ring is slidably connected in the outer surface of rotating rod, rotating rod outer side is provided with paper storage cylinder, by being provided with support plate and adjusting structure, the rotation of threaded rod is converted into the linear motion of lifting plate, drives the overall descent of storage rack, makes the paper storage cylinder to be replaced contact ground, it is convenient for operator to take down empty paper roll and install new paper roll, avoid manual to paper roll and lift, improve work efficiency.

The application discloses a tower crane elevator arrangement method and a tower crane conversion mechanism for construction of a main tower and a main beam of a cable-stayed bridge, belongs to the technical field of bridge construction, and aims to solve the problems of space conflict of tower crane elevator arrangement of an ultra-wide main beam cable-stayed bridge, insufficient safety and stability caused by an overlong attachment system, and difficulty of traditional equipment in adapting to different construction stages. The arrangement method comprises the following steps: initially arranging a tower crane elevator for segmented main tower erection, arranging a bracket and an additional elevator for climbing form construction, converting the tower crane and capping the main tower, erecting a main beam by means of a pier-side support, connecting the main beam to a cable and closing the main beam, and the conversion mechanism comprises a support framework, a tower crane conversion connecting frame, an elevator conversion connecting frame and a leveling assembly. The application can avoid space conflict and safety risks, dynamically adapt to construction stages, has strong universality of the conversion mechanism, ensures equipment stability, reduces costs and improves efficiency.

The utility model discloses a kind of pressure sensor connector assembly air-tightness detection device, it is related to pressure sensor detection technical field, including bottom rack, operation platform, upper support, and detection and chucking structure are equipped on operation platform, display screen is equipped on upper support rear end, equidistantly equipped with air cylinder on front end transverse plate, air cylinder protruding end is detachably assembled with upper sealing head;Detection and chucking structure contain limiting table and sealing table, sealing table is opened gas hole, and sealing ring is equipped on upper end outer edge.The device realizes multi-station detection, sealing is reliable, adaptability is strong, effectively promotes detection efficiency and accuracy, and saves equipment cost.

The utility model discloses a kind of metal storage tank body lifting device, including adjustable support column, steel band, plate hanger, electric hoist, expanded ring hanger, lower expanded ring and first reinforcing part;Multiple adjustable support columns are set on tank bottom plate, inside tank body is located and is set;First reinforcing part is provided between adjacent two adjustable support columns;Steel band is fixedly set in the top of adjustable support column;One plate hanger is fixedly set on each steel band;One electric hoist is set on each plate hanger;Lower expanded ring is set in tank body bottom, and multiple expanded ring hangers are set in lower expanded ring inside;One plate hanger is set above each expanded ring hanger directly.The device can smoothly lift tank body, and it is simple and convenient to operate, and overall stability is good, with certain universality.

The invention discloses a real-time communication mechanism for an agricultural irrigation network, and relates to the technical field of real-time communication.The real-time communication mechanism comprises AINP message format confirmation, AINP data exchange confirmation and AIDE cloud data exchange.The method includes the steps that firstly, the unified format of data frames is defined through the AINP message format confirmation step; irrigation valve state and opening signals are collected and converted into corresponding data frames, node response is completed based on a master-slave response mechanism, validity of a frame format is verified through DCR verification, LORA wireless communication specifications of irrigation valve nodes and an AINP gateway are confirmed and set through AINP data exchange, and the verified data frames are transmitted to the gateway based on an AINP data exchange algorithm. Finally, AIDE cloud data exchange is carried out, monitoring data are read and written through a cloud algorithm and uploaded to the cloud, and the system has the advantages of being low in cost, high in interference resistance, good in compatibility and reliable in data and is adaptive to a large-scale intelligent irrigation network.

The application relates to a multi-chassis adaptive modular adapter chassis and a use method thereof. Since the number of two longitudinal beams is fixed, and various sizes of cross bars and girder connecting structures are arranged, when different chassis are responded to, only the corresponding size of the cross bar and the girder connecting structure need to be replaced, the integral replacement is not needed, the cross bar and the girder connecting structure are regarded as replaceable modules, the dependence degree of platform superstructure and the chassis is reduced, the independence of the chassis is improved, the design response speed of the multi-chassis demand is improved, meanwhile, the overall structural precision of the device can be better ensured, the adaptive efficiency of the platform superstructure and the chassis is improved, the chassis adaptive cost is reduced, and the problem that the platform superstructure and the chassis cannot be one-to-one matched during product development due to different customer group demands and repeated design is solved.