57results about How to "Easy programming" patented technology

The invention relates to the technical field of HVAC system modeling and simulation, and discloses a HVAC model parameter identification method based on a GPS-PSO algorithm. The method comprises the following steps: determining key parameters that affect the accuracy of a HVAC model based on expert knowledge and association rules; performing sensitivity analysis on the key parameters, and sorting them from high to low according to the sensitivity, to construct a parameter set of the HVAC model to be identified; collecting actual operation data related to the parameter set of the HVAC model to be identified, and performing preprocessing; dividing the preprocessed actual operation data into a calibration data set and a verification data set according to a preset ratio; based on the calibration data set, taking the normalized mean error as the optimization target, and performing parameter identification using a GPS-PSO two-stage optimization algorithm; and using the verification data set to verify the effectiveness of parameter identification, thereby improving the efficiency and accuracy of HVAC model parameter identification.

The invention relates to a variable-curvature vertical curve pushing fulcrum elevation adjustment optimization method, which comprises the following steps of: taking a bridge midline design datum line as an x axis, and taking a pushing advancing direction as an x-axis positive direction; the vertical direction is used as the z axis, the vertical upward direction is used as the z axis positive direction, the x coordinate represents the longitudinal position of the pushing beam, and the z coordinate represents the distance of the pushing beam deviating from the design datum line; the optimization method comprises the following steps: S1, smooth incremental analysis calculation; s2, fulcrum elevation adjustment; and S3, fulcrum elevation adjustment and integration. According to the method, optimization analysis can be quickly carried out according to existing incremental launching beam body parameters, so that the calculation cost is remarkably reduced, the calculated fulcrum elevation adjustment amount is smaller, and the economic benefit and the construction efficiency are improved.

The utility model relates to lens grabbing equipment, in particular to a polar coordinate four-axis manipulator. Comprising a material taking clamping jaw, a polar coordinate Z-axis fixing plate, a material taking jaw mounting plate, a polar coordinate rotating large R-axis assembly, a polar coordinate transplanting X-axis assembly, a polar coordinate Z-axis assembly and a polar coordinate material taking rotating R-axis assembly. The polar coordinate rotating large R-axis assembly comprises a polar coordinate fixing platform, a polar coordinate rotating platform and a servo driving module; the polar coordinate transplanting X-axis assembly comprises a first X-axis linear sliding table module; the material taking claw mounting plate is connected to the Z-axis fixing plate in a Z-axis moving mode. The polar coordinate Z-axis assembly comprises a Z-axis linear sliding table module which is fixedly installed on the Z-axis fixing plate and used for driving the material taking claw mounting plate to do lifting linear motion. The material taking clamping jaw is connected to the material taking jaw mounting plate through a rotating shaft in the mode of rotating around the Z axis. The utility model provides a polar coordinate four-axis manipulator which is simple in structure and low in cost.

The invention provides a consultation service system based on big data collection and analysis, and the system comprises a data collection module which is used for obtaining consultation service data from a plurality of data sources, and obtaining original consultation service data; the data cleaning and preprocessing module is used for cleaning and preprocessing the collected original consultation service data to obtain preprocessed data; the data analysis and mining module is used for analyzing and mining the preprocessed data to obtain feature data; and the decision support module is used for generating a decision suggestion report by utilizing the feature data. According to the technical scheme, the data acquisition module, the data cleaning and preprocessing module, the data analysis and mining module and the decision support module are arranged, so that the quality and efficiency of consultation service are improved.

The present invention provides a charging pile detection system; the charging pile detection system comprises a data acquisition component, a data processing component, a data display component and a mechanical control component; the data acquisition component is composed of various sensors and is used to collect voltage and current data of the charging pile; the data processing component comprises an A / D sampling board, a differential transmission board and an FPGA processing mainboard, which are used for data processing, and send a display signal to the data display component, and send a control signal to the mechanical control component; the data display component comprises a host computer display software and a liquid crystal display, which are used to display detection data, and send a user's command signal to the data processing component; the mechanical control component comprises a driving component and a circuit machine, which are used to receive a control signal and perform related mechanical actions at the same time; this power supply system can meet customers' needs for charging pile detection, and greatly facilitates the staff who perform charging pile detection.

The present invention discloses an iterative planning method for aircraft routes based on complex terrain, comprising the steps of obtaining the three-dimensional coordinates and heights of overhead power transmission line towers of the route to be planned; setting different minimum approach distances for overhead power transmission lines of different voltage levels and towers of different sizes; calculating tower reference waypoints; setting route segments; calculating a reference function group for the route segments; data point screening; inserting or replacing intermediate waypoints; iterating the route segments and returning to the step of setting the route segments until all route segments have completed the iteration to form a complete route; the present invention innovatively utilizes typical feature targets of overhead power transmission line point clouds to realize equation route generation under complex terrain, with a concise process, easy programming, high execution efficiency, strong robustness, and the adopted data point screening method supports high parallelism, which can effectively shorten the calculation time, and has high technical advancement and wide applicability.

The invention discloses a calligraphy stroke feature extraction method and system based on a fixed-size grid. The method relates to the technical field of stroke feature extraction, and comprises the following steps of calligraphy stroke image preprocessing and grid division, grid-based stroke space distribution feature extraction, size feature extraction, grid-based stroke direction feature extraction and feature fusion and output. The method comprises the following steps: S1, normalizing a binary image of calligraphy strokes to a fixed canvas and dividing the binary image into grids; s2, calculating the stroke density of each grid and constructing a density feature vector; S3, refining the image to obtain a skeleton, calculating a direction field and generating a direction feature vector; and finally, the two vectors are connected in series and fused, and a joint feature vector is output for a subsequent task, so that the calligraphy stroke feature extraction accuracy is improved, and the problem of low calligraphy stroke feature extraction accuracy caused by insufficient understanding of dynamic essence, complex form and high-level semantics of calligraphy art in the prior art is solved.

The clamp is suitable for being assembled on the positioner and comprises a fixing seat and a positioning mechanism, the fixing seat is connected with a positioner seat of the positioner and is provided with a fixing face used for bearing a workpiece, and the fixing face is provided with a reference position; the positioning mechanism comprises a positioning driving part and a pushing and blocking part, the positioning driving part is arranged on the fixed seat, and the pushing and blocking part is in transmission connection with the positioning driving part and can push a workpiece to move; the multiple positioning mechanisms can push the workpiece to move at least in the first direction and the second direction with the included angle so that the workpiece can be moved to the reference position. Thus, the fixing position of the workpiece on the fixing face is determined, programming of automatic welding is facilitated, then, automatic welding modes such as robot welding can be used for replacing traditional manual welding, and then the welding efficiency can be effectively improved.

This invention discloses an integrated welding and drilling system and method for vehicle roofs. The system includes a control unit, a robot unit, a positioning fixture, a spot welding unit, and a drilling unit. The robot unit includes a robot and a tool changer. The positioning fixture includes a welding positioning clamping mechanism and a drilling positioning mechanism. The spot welding unit includes a spot welding gun fixedly connected to the tool changer. The drilling unit includes an electric spindle gun and a manual drilling gun, located on either side of the spot welding gun. During operation, the system adjusts the positioning fixture to clamp and support different types of roofs. The control unit controls the robot to move the spot welding gun to the welding area for welding. After welding, the tool changer rotates to switch tools for drilling. After the operation is completed, the robot resets. This system integrates welding and drilling functions, enabling automated, high-precision welding and drilling of vehicle roofs, achieving flexible production operations.

This paper presents a model-based dynamic analysis and design method for conical-cylindrical shells. To address the problem of low computational efficiency in structural dynamics analysis and design optimization caused by the extremely high degree of freedom in traditional finite element methods (FEM) models when dealing with conical-cylindrical shell structures of submarines, the method divides the conical-cylindrical shell structure of the submarine into two substructures and models them using the FEM. The fixed interface principal modes and constraint modes of the substructures are solved, and these are combined into a first coordinate transformation matrix condensed model, resulting in a condensed model. The two condensed models are integrated, and a second coordinate transformation matrix is ​​obtained using the interface compatibility conditions between the substructures. This second coordinate transformation matrix is ​​then used to process the integrated model, yielding a condensed model of the conical-cylindrical shell structure. The frequency response curves and time-domain response curves of the condensed model of the conical-cylindrical shell in modal space are calculated, and then transformed to physical space to obtain the frequency response curves and time-domain response curves in physical space.

The invention discloses a transformer area energy storage system determination method, system and device and a storage medium, and the method comprises the steps: constructing a transformer area site selection comprehensive evaluation hierarchical structure model which comprises an index layer, a factor layer and a target layer, each of the index layer and the factor layer comprises a plurality of indexes and weights corresponding to the indexes; obtaining operation data of the transformer area, and determining whether an energy storage system needs to be configured according to the operation data of the transformer area and the transformer area site selection comprehensive evaluation hierarchical structure model; and if the energy storage system needs to be configured, obtaining a transformer area predicted annual maximum load daily curve and a transformer area predicted annual minimum load daily curve, and determining the energy storage capacity of the transformer area energy storage system according to the transformer area predicted annual maximum load daily curve and the transformer area predicted annual minimum load daily curve. The method can more accurately evaluate energy storage system site selection, saves computing resources, improves the operation efficiency of a power system, and can be widely applied to the technical field of power systems.

The invention discloses a trolley automatic switching system and a using method, the trolley automatic switching system comprises a robot and a roller bed, the roller bed is provided with a trolley, the trolley is provided with a trolley body front part supporting subassembly, a trolley body front part positioning subassembly, a trolley body rear part positioning subassembly and a trolley body rear part supporting subassembly, the trolley body front part supporting subassembly comprises a turnover mechanism, and the turnover mechanism comprises a turnover mechanism. The vehicle body front positioning subassembly comprises a translation mechanism, the vehicle body rear supporting subassembly comprises a turnover mechanism, the vehicle body rear positioning subassembly comprises a translation mechanism and a turnover mechanism, and a switching tool is arranged on the robot. The switching tool comprises a clamping unit used for switching the state of a translation mechanism on the trolley and a shifting rod unit used for switching the state of a turnover mechanism on the trolley. The system is flexible in switching, high in efficiency and low in cost.

The application discloses a kind of multi-limb combined steel support node rotation stiffness calculation methods around weak axis, it is related to the technical field of deep foundation pit engineering and fabricated steel structure;The application decomposes the complex node structure into end plate, connecting plate, bolt group and other mechanical behavior clear core components, and calculates the stiffness of each component by using the component method, and then combines in series and parallel according to the classical mechanics principle, to achieve the technical effect of accurate physical modeling of the semi-rigid characteristics of the node and significantly improving the calculation efficiency.The method avoids complex nonlinear contact analysis, and the calculation formula is clear and easy to program.The calculation results of the method are compared with the full-scale model test results and the fine three-dimensional entity finite element analysis results, which achieves the technical effect of verifying that the calculation error of the method is within the acceptable range of engineering, and proves its reliability, solving the problem of insufficient accuracy of traditional empirical simplified method.

This invention discloses a method for solving the kinematics of a virtual ball joint, belonging to the field of robot kinematics technology. To address the problem that the motion trajectory of existing virtual ball joint mechanisms is elliptical, making kinematic solving difficult and greatly limiting the application scope of virtual ball joints, this application effectively decomposes the forward and inverse motions of the virtual ball joint during operation, and models and calculates the forward and inverse motions of the virtual ball joint separately, obtaining relatively objective calculation results. Simulation verification is performed. To enable kinematic solving, approximate calculations are used in the solution process, resulting in some error between the calculated results and the true values. However, this invention is the first to propose a kinematic method for this structure, filling a gap in the field of kinematics. This application is mainly used for solving the kinematics of virtual ball joints.

A configuration device (1) for configuring settings of a power wheelchair, comprising: a display unit (9) arranged to display a graphical representation of a wheelchair functionality setting, an input unit (3) arranged to detect a user input changing a visual state of the graphical representation on the display unit (9) from a first visual state to a second visual state, wherein every visual state of the graphical representation is associated with a set of wheelchair parameter settings, processing circuitry (5) arranged to determine a set of wheelchair parameters associated with the second visual state of the graphical representation, and a communications unit (11) arranged to send the set of wheelchair parameters determined by the processing circuitry (5) to a power wheelchair.

The application provides a reduced-order unified modeling method, system, computer program product and device for electromagnetic small disturbances of a new energy system and a computer readable storage medium, and belongs to the technical field of new energy system modeling. D Q The application establishes a power network differential equation set in the electromagnetic scale under the common D Q coordinate system; a full system state space model is constructed; independent state variables and redundant state variables are identified through a method of traversing system nodes, differential and algebraic equation sets in the full system state space model are separated, a differential equation corresponding to the independent state variables of the system is constructed; based on the differential equation of the independent state variables, a full system differential-algebraic equation is obtained, and the full system differential-algebraic equation is further eliminated to obtain an ODE form of the full system state space model containing only the independent state variables, thereby laying a foundation for stability analysis of a large-scale new energy power system.​​

The invention discloses a PLC-based network anomaly test method, and relates to the field of network tests.The method comprises delay simulation analysis, packet loss simulation analysis, interruption simulation analysis and line simulation analysis, firstly, delay simulation data are collected, and the data are analyzed through a delay simulation model to obtain the delay stability level of each data transmission line; secondly, collecting packet loss simulation data, and analyzing the data based on a packet loss simulation model to obtain a packet loss stability level of each data transmission line; secondly, collecting interruption simulation data of the equipment in network interruption, and analyzing the data based on an interruption simulation model to obtain an interruption stability level of each data transmission line; finally, early warning is carried out according to the delay stability level, the packet loss stability level and the interruption stability level of each data transmission line, stability testing can be comprehensively carried out on the data transmission network, and potential network abnormal conditions can be effectively detected.

The embodiment of the present invention relates to a method, device, equipment and storage medium for training an instruction generation model. The method comprises the following steps: inputting a data set into an initial model, wherein the data set includes a first instruction; extracting text features from the first instruction using the initial model; determining a hidden layer state sequence corresponding to the text features; encoding the hidden layer state sequence to obtain a semantic coding vector of a preset length; determining an output instruction corresponding to the first instruction according to the semantic coding vector, the text features and the hidden layer state sequence; and determining that the initial model training is completed when the similarity between the output instruction and the second instruction is greater than a set threshold, and obtaining a trained instruction generation model. Thus, the instruction generation model can be used to generate robot instructions from the fuzzy description input by the user, thereby achieving the purpose of fast and simple programming, simplifying the process of robot programming and control, and improving the efficiency of instruction generation.

The present invention discloses a method for determining the length of the plastic zone in the crushing process of an elliptical metal ring and a verification method, and relates to the technical field of structural strength analysis and energy absorption structure. The technical scheme is first classified into a linear strengthening case and a nonlinear strengthening case. For the linear strengthening case, the relationship between the rotation angle and the crushing displacement and the horizontal angle of the normal vector is established by using the root-finding numerical calculation related to the elliptical integral, and then the bending moment distribution is obtained, and the length of the plastic zone is obtained from the bending moment distribution. For the nonlinear strengthening case, the equation group containing 5 ordinary differential equations is numerically solved and the relationship between the crushing displacement and the bending moment distribution is established after the convergence result is obtained by using the Newton-Raphson iteration, and then the length of the plastic zone is obtained. The present invention can realize the convenient calculation of the plastic zone length that changes with the increase of the crushing displacement during the lateral crushing process of the elliptical metal ring without complicated finite element calculation.

The invention belongs to the technical field of magnetic measurement, and particularly relates to a calibration method of a magnetic dipole array. The method comprises the following steps: S1, obtaining an independent calibration model of each magnetic source unit; and S2, according to the independent calibration model, measuring and modeling an additional magnetic field generated by coupling between the magnetic source units, and establishing a compensation model. According to the method, the problem is decomposed into N low-dimensional nonlinear fitting and one linear least square problem, the calculation complexity and time consumption are reduced in order of magnitude, and high efficiency in engineering application is achieved.

The present invention relates to a numerical control equipment processing method based on the standardization and structured programming of numerical control programs, including: obtaining part drawings, determining the type of numerical control equipment, processing routes, etc.; determining the fixture and positioning method of the part, and establishing a workpiece coordinate system; equipping the numerical control equipment with corresponding tools; directly inputting the pre-compiled general macro program and general macro subroutine required for the part by using a numerical control input device or calling the pre-compiled general macro program and general macro subroutine from the control medium through the numerical control equipment communication interface, completing the standardization and structured programming of the numerical control program by using the modular combination of the general macro program and the general macro subroutine, assigning values ​​to the parameter variables of the programmed numerical control program, and obtaining the main processing program; verifying the correctness of the main processing macro program; after the verification is passed, the numerical control equipment executes the main processing program to process the part. The present invention greatly saves the programming time required for the numerical control equipment processing method, realizes the rapid programming of numerical control processing, and improves the processing efficiency of the numerical control equipment.

The application discloses a kind of tower deviation calculation method and system of multi-tower cable hoisting system based on single-tower linkage correction, and relates to the technical field of bridge engineering;The application is used to solve the problems of insufficient precision of traditional equivalent modulus method under the working condition of small initial cable tension and large tower top displacement, and iterative divergence caused by ignoring geometric nonlinearity of full-tower correction method.The method comprises the following steps: step S1: input system parameters, calculate the unstressed cable length of each span by iterative calculation using the elastic catenary equation, and determine the initial equilibrium state of the system;Step S2: initialize the deviation of all towers to zero, and calculate the span length of each span as the original span length;Step S3: execute the main iterative cycle based on single-tower linkage correction;Step S4: output the final deviation of each tower, the horizontal force at the end of each span cable and the horizontal elastic stiffness.The application can realize high-precision and stable convergence calculation of tower deviation under any initial tension and load working condition, and provides a reliable scheme for the final design and construction control of multi-tower cable hoisting system.

This disclosure describes a sensing capability resistant to crosstalk. A current sensor is provided for a target conductor among a plurality of conductors. The current sensor includes at least one magnetic sensor configured to provide two signals representing two different parameters of a field, the two different parameters being different components or their directional derivatives (e.g., gradients). The current sensor also includes a processor configured to derive a signal indicating a current based on a linear combination of a first signal and at least a second signal. At least one of these signals is weighted by coefficients that are constants selected based on the distance between the sensor and at least one of the plurality of conductors in at least a first or second direction. The coefficients are selected to reduce the contribution of parasitic magnetic fields to the signal indicating a current in the first conductor, wherein the parasitic magnetic field is generated by at least one other conductor.

The invention discloses a simple voltage-time type power distribution terminal action logic studying and judging method, and relates to a power distribution terminal. According to the technical scheme, the method is characterized by comprising the steps of S1, determining state attributes of action logic research and judgment of the voltage-time type power distribution terminal; s2, quantizing the state attribute in the step S1 to obtain a state attribute quantized value; s3, sequencing the state attribute quantized values in the step S2, and obtaining binary numbers of the state attribute quantized values; s4, converting the binary number obtained in the step S3 into a decimal number to obtain an action logic value; s5, establishing an action logic research and judgment conclusion table, wherein the action logic research and judgment conclusion table comprises action logic values and action logic research and judgment corresponding to the action logic values; and S6, in practical application, calculating the action logic value of the voltage-time type power distribution terminal, and obtaining corresponding action logic research and judgment by inquiring the action logic research and judgment conclusion table. The method is mainly used for quickly finding out the power distribution terminal with the abnormal logic action.

The utility model relates to a digital television signal input interface switch protection circuit, which comprises an overvoltage / overcurrent protection circuit and a short circuit protection circuit, and is characterized in that the overvoltage / overcurrent protection circuit is used for cutting off power supply to output when input voltage is too high or output current is too high so as to protect the circuit; the short-circuit protection circuit is used for automatically cutting off current in the circuit to protect input and output when short circuit is output; when the input voltage + 5VNomal is too high or the output current is too high, the closing of the PMOS tube QT2 is controlled by controlling the conduction of the triode QT3, and then the closing of the whole circuit is controlled; and when the output is short-circuited, the PMOS tube QT5 is controlled to be closed by closing the triode QT3, so that the whole circuit is automatically closed. The circuit protection circuit has the advantages that the PMOS tubes, the triodes and the like are used as switches to control the on-off of the circuit, so that the circuit protection is realized. When abnormal conditions (such as overvoltage, overcurrent, short circuit and the like) occur in the circuit, the protection circuit can quickly respond to cut off or limit current or voltage in the circuit so as to prevent circuit elements from being damaged.

The invention provides an articulated arm type coordinate measuring machine measuring head calibration method based on a ball fitting model, and relates to the technical field of precision measurement methods, and the method specifically comprises the following steps: building a D-H model of an articulated arm type coordinate measuring machine according to the nominal structure parameters of the articulated arm type coordinate measuring machine, and calculating the center coordinates of a measuring ball through the D-H model. The radius of the measured standard ball is calculated by measuring the surface coordinates of the standard ball according to the articulated arm type coordinate measuring machine. Establishing a to-be-calibrated parameter vector, wherein the to-be-calibrated parameter vector comprises the length of the measuring rod, the radius of the measuring ball and the center of the standard ball; and the to-be-calibrated parameter vector is used as an initial value, and the optimal to-be-calibrated parameter is searched through optimization iteration by using the central particle swarm optimization. According to the technical scheme, the problems that in the prior art, an articulated arm type coordinate measuring machine is low in measuring head calibration precision, large in measuring data size and complex in measuring step are solved.

The present invention proposes a transformer operation health value evaluation method, which includes the following steps: 1) selecting multiple sound features and determining a first sound feature threshold and a second sound feature threshold for each sound feature; 2) assigning a weight to each sound feature; 3) determining a transformer operation health index according to the sound feature weight and the first sound feature threshold and the second sound feature threshold, wherein the transformer operation health index includes a first health index threshold and a second health index threshold. The present invention can realize a quantitative evaluation of the transformer operation health value, and has the advantages of a simple evaluation method, easy programming implementation, and high reliability.

The application discloses a kind of micro-nano robots magnetic gradient force calculation method and system under three synchronous rotating magnetic field.The method comprises the following steps: obtaining the position parameters of three synchronous rotating permanent magnets, the magnetic moment size of permanent magnet, common rotating phase, the position parameters of the space point to be calculated and the magnetic moment size of micro-nano robot;Based on magnetic dipole model, the magnetic field generated by three permanent magnets at the space point to be calculated is calculated and superimposed to obtain the total magnetic field;According to the total magnetic field, the total magnetic field direction unit vector is constructed, and the magnetic moment direction of micro-nano robot is kept consistent with the total magnetic field direction;Field matrix, magnetic gradient matrix and gradient force compact matrix are constructed, and the magnetic gradient force vector and its module length suffered by micro-nano robot at the space point to be calculated are calculated.The application can quickly complete the magnetic gradient force calculation under the action of three synchronous rotating magnetic field, and is suitable for trajectory planning, closed-loop control and safety evaluation of magnetic driving micro-nano robot.

The invention provides a fusion system and fusion method for a large-scale brain simulation communication library, and the system comprises a unified application interface layer which defines a user-oriented unified application interface, and a user transmits the address and data size information of a buffer region needing to be communicated to a specific communication rear end by calling the unified application interface layer; the hardware adaptation layer comprises an interface layer for uniform interface description, operators and data types and a kernel layer for uniform resource management; the rear-end layer is used for packaging communication interfaces of communication rear ends based on different hardware platforms and realizing specific communication functions; and the hardware layer comprises hardware, a driver of the hardware and a software development kit. According to the scheme, user programming is simplified, the compatibility and portability of the application are improved, and large-scale brain simulation of different hardware platforms can be supported by constructing the unified aggregation communication interface library irrelevant to the specific hardware platform, providing a unified communication interface for the upper-layer application and downwards being compatible with the different hardware platforms.

The invention relates to a bistable high-load pneumatic driver and a design method.The upper end of an air bag is connected with the middle of a top plate, the lower end of the air bag is connected with the middle of a bottom plate, limbs are arranged on the outer side of the air bag in the circumferential direction and arranged between the top plate and the bottom plate, and each limb comprises an upper limb part and a lower limb part which are hinged to the hinged fold line position; the limbs are parallelogram-shaped after being completely unfolded, the upper end of the upper limb part is hinged to a corresponding top plate hinge seat arranged on the lower side of the top plate, and the lower end of the lower limb part is hinged to a corresponding bottom plate hinge seat arranged on the upper side of the bottom plate. According to the invention, during complete extension, the upper limb part and the lower limb part of each limb are in a locked state on the same vertical surface to ensure the axial rigidity between the top plate and the bottom plate, so that the stable state under complete extension is realized, and a relatively large load can be borne, and during complete contraction, the upper limb part and the lower limb part of each limb are in a locked state on the same vertical surface. And the upper limb part and the lower limb part of each limb can be approximately completely folded, so that the stable state under complete contraction is realized.