148results about How to "Easy programming" patented technology

The invention relates to a multi-objective collaborative optimization scheduling method for an integrated energy system, and aims at a multi-energy unit optimization problem, namely a multi-parameter optimization problem, in an optimization model, an optimization model parameter initialization method based on improved chaotic mapping is adopted. An initial parameter with a high random average distribution probability is generated to improve the convergence speed of a system optimization process and reduce the probability of falling into a local optimal solution. Meanwhile, aiming at a multi-objective optimization problem, an improved grey wolf algorithm based on a Pareto optimal solution theory is adopted to realize optimal scheduling of the system for an economical efficiency optimal objective and a carbon emission minimum objective. According to the system, a comprehensive energy system architecture including water electrolysis hydrogen production using photovoltaic and wind power generation and hydrogen energy storage, power generation, heating and refrigeration is comprehensively considered, comprehensive utilization and control of various new energy power generation and utilization units are achieved, and carbon emission can be effectively reduced.

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 invention relates to the technical field of hoister control, and discloses a self-adaptive parameter adjustment hoister control method which comprises the following steps: collecting running state data of a hoister; constructing a loss function of model parameters in the elevator intelligent control model based on the training data set, and performing optimization solution on the loss function; and the elevator intelligent control model is used for receiving elevator operation state data, elevator control strategy optimization is carried out, a multi-section frequency converter parameter adjustment result is obtained, and frequency converter parameter setting is covered. According to the method, state time sequence information feature extraction is carried out by combining elevator operation state data at adjacent operation moments, parameter mapping and parameter adjustment probability calculation are carried out on current frequency converter parameter setting, the larger the frequency switching amplitude is, the larger the parameter adjustment probability is, the loss of the frequency converter in the elevator is reduced, and the reliability of the elevator is improved. And the frequency converter parameter adjustment result with the parameter adjustment probability higher than a preset threshold value is reserved, and self-adaptive parameter adjustment of the frequency converter in the elevator is achieved.

The invention discloses a geometric error parameterization rapid modeling method for a multi-configuration five-axis machine tool. The method comprises the following steps: constructing a general transfer vector table with parameters of a five-axis machine tool of a target type; the parameter set of the five-axis machine tool is input into a general transfer vector table, the general transfer vector table generates transfer vectors of all geometric error items of the five-axis machine tool, and therefore a geometric error model is constructed; and inputting the geometric error item and the five-axis coordinate into the model, and outputting the position deviation and the attitude deviation of the cutter by the model so as to compensate the geometric error of the cutter of the five-axis machine tool. According to the method, the constructed transfer vector table can be reused, and the constructed geometric error model can be suitable for most of conventional configuration machine tools; according to the method, parameterized rapid modeling of geometric errors of the five-axis machine tool can be realized, experience requirements of research and operators can be reduced, and convenience is provided for precision design and error compensation research of various conventional five-axis machine tools and transverse comparison research between various machine tool configurations and layouts.

The invention discloses a full-automatic water volume measuring and recording pressure plate instrument and a use method thereof, and the pressure plate instrument comprises a pressure chamber system, a loading system, an automatic bubble washing system, a water feeding and discharging system and a control system. According to the scheme, all actions in the pressure chamber system, the loading system, the automatic bubble washing system and the water inlet and drainage system are automatically controlled through the control system, and all remaining operations of a soil-water characteristic curve surveying and mapping test can be automatically completed after a test soil sample is installed; the manual participation degree in the test process is greatly reduced, the manual work intensity is reduced, and meanwhile the influence of manual operation errors on the test result is greatly reduced.

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 discloses a sample data marking method for an image detection model. The method comprises the following steps: S1, determining a non-abnormal image as a basic image; s2, an image to be detected is obtained and compared with the basic image, and the image to be detected and the basic image are subjected to inverse color superposition or inverse color duplicate removal to screen out abnormal images in the image to be detected; s3, independently extracting and splitting each abnormal position in the abnormal image through contour detection to form a plurality of independent graphs; s4, determining a minimum bounding rectangular frame according to the edge pixel position of each independent graph; and S5, digitizing the determined minimum bounding rectangular frame, and taking the digitized minimum bounding rectangular frame as sample data for image detection model training.

The utility model relates to a digital intelligent fire-fighting water supply inspection control system based on plc (programmable logic controller) technology, which comprises a main circuit and a control circuit, and is characterized in that the main circuit comprises a power circuit and a power mechanism, and the control circuit consists of a PLC (programmable logic controller) unit and a frequency converter unit. According to the utility model, intelligent inspection and control of fire-fighting water supply are realized, and the automation level of the water supply system is obviously improved. Through programming of the PLC, an inspection plan can be preset, the operation states of the pump body motor and the valve actuator can be automatically detected, potential problems can be found and processed in time, and therefore stable operation of the water supply system is guaranteed. The intelligent inspection mode not only reduces the frequency and intensity of manual inspection, but also improves the accuracy and efficiency of inspection, improves the automation level, safety and reliability of the water supply system, reduces the maintenance cost, and enhances the flexibility and expandability.

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 relates to a quick calculation method for structural quality characteristics of a high-speed aircraft in a conceptual design stage, and belongs to the field of aircraft design. The structural mass characteristics comprise aircraft structural mass, structural mass center and rotational inertia. The method comprises the following steps: defining basic composition of a high-speed aircraft structure; giving a geometric shape of the high-speed aircraft; generating a high-speed aircraft surface grid; importing grids and identifying the grids of the fuselage, the wings and the empennage; respectively calculating the mass, the mass center and the rotational inertia of each component of the body, the wings and the empennage; respectively calculating the mass, the mass center and the rotational inertia of the body, the wings and the empennage; and calculating the total mass, center of mass and rotational inertia of the high-speed aircraft structure. The method can quantitatively analyze the influence of the density, thickness and other parameters of the structural material on the structural quality of the aircraft, can reduce the time cost of multidisciplinary optimization design in the conceptual design stage of the high-speed aircraft, and improves the calculation efficiency.

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 invention relates to the technical field of robot machining, and discloses a robot machining optimization method and system based on functional redundancy characteristics, and the robot machining optimization method comprises the following steps: obtaining a rigidity performance evaluation index # imgabs0 # through formula derivation; and establishing a robot rigidity performance attitude optimization model based on the function redundancy characteristic and the rigidity performance evaluation index # imgabs1 # of the robot. The rigidity performance evaluation index can visually display and evaluate the rigidity performance of the robot in the main shaft direction in real time, and represents the deformation resistance of the tail end of the robot. The method has the advantages that the whole machining system is simple in structure, convenient to operate and easy to program, the calculation speed of the rigidity of the robot machining system is remarkably improved, proposed rigidity performance evaluation indexes have directivity, the precision of the robot machining system is remarkably improved, visualization of the tail end rigidity of the robot machining system is achieved, and the working efficiency of the robot machining system is improved. And the rigidity performance of the robot can be accurately and intuitively evaluated.

The lower pacing rate limit is used by the pacing device to initiate pacing in response to the patient's intrinsic rate being less than the lower pacing rate limit. Exemplary systems, devices, and methods may obtain rate modification information related to a patient, such as physical characteristics, diagnostic parameters, pathology, device characteristics of pacing devices implanted in the patient, and patient reporting information. The rate modification information may be used to determine a lower pacing rate limit based on the rate modification information.

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.

The present invention proposes a method and system for controlling the heading of an unmanned sailboat based on the linkage of a wing sail and a rudder, and relates to the field of navigation technology. The method comprises: obtaining the position information of all task points. Obtaining and calculating the desired heading and the desired sail angle of the wing sail according to the current position, current heading and relative wind direction of the target unmanned sailboat. Calculating the desired rudder angle according to the desired heading, the current heading and the desired sail angle of the wing sail. Adjusting the rudder angle of the target unmanned sailboat according to the desired rudder angle and the current heading, and judging whether the target unmanned sailboat can reach the desired heading. Within a preset time period, if the rudder angle of the target unmanned sailboat reaches the maximum rudder angle and still cannot be adjusted to the desired heading, the heading is adjusted by adjusting the bow thruster. Thus, by coupling the wing sail angle of the unmanned sailboat with the rudder and increasing the bow thruster to compensate for the insufficient bowing moment of the steering gear, the robustness and operation speed are improved, and the accuracy of heading control and heading keeping performance are increased.

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 an editing auxiliary method and device for ladder diagram programming, and the method comprises the steps: firstly generating and displaying a ladder diagram editing interface, and then editing and displaying a ladder diagram in the ladder diagram editing interface in response to user operation. In the editing process, two selection points are determined on a ladder diagram currently displayed on a ladder diagram editing interface, and under the condition that the positions of the two selection points on the ladder diagram conform to a programming rule, a target quick editing type conforming to the positions of the two selection points on the ladder diagram is determined from a plurality of quick editing types; and on the basis of the target quick editing type and the positions of the two selection points on the ladder diagram, editing of adding connecting lines or element elements is carried out on the ladder diagram. The connecting lines and the elements of the ladder diagram can be quickly edited only by determining the two selection points in the ladder diagram editing interface, so that the ladder diagram programming process is simplified, and the ladder diagram editing efficiency is improved.

The present invention discloses a multi-component gas concentration detection method based on a spectral analysis algorithm, the steps are as follows: A. changing the wavelength of the incident light and recording the ring-down time τ of the mixed gas t And draw the ring-down curve; B. Normalize the ring-down curve; C. Use the ring-down time τ of the mixed gas t Calculate the normalized ring-down intensity I t ; D. Solve #imgabs0# and plot the mixed spectrum with wave number v as the horizontal coordinate and #imgabs1# as the vertical coordinate; E. Use the spectrum analysis algorithm to perform peak separation on the mixed spectrum to obtain multiple Lorentz distribution function absorption peaks; F. Perform peak area integral calculation on each Lorentz distribution function absorption peak to obtain the peak integral area; G. Substitute the peak integral area and line intensity, as well as the total gas pressure and effective optical path into the gas concentration calculation formula to calculate and obtain the gas concentration of each component in the mixed gas. The present invention uses the spectrum analysis algorithm to perform peak separation and fitting on the mixed spectrum to solve the content of each gas component, and the detection limit is low and the accuracy is high.

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 utility model discloses an intelligent dust-cleaning industrial dust collector with an interactive screen on a barrel cover, which comprises a movable main frame, and a collecting mechanism, a separating mechanism and a filtering mechanism are arranged at the front end of the movable main frame; a dust collection barrel cover is installed at the upper end of the filtering mechanism, and a display screen facilitating man-machine interaction is arranged on the dust collection barrel cover. The display screen is electrically connected with a PLC arranged in the dust collection barrel cover. By arranging the display screen facilitating man-machine interaction, programming can be conveniently conducted on the PLC, then adjustment and control over all relays and motors are achieved, and then the dust collector can intelligently work according to programmed instructions; temperature isolation is carried out on the fan and the motor through the heat insulation plate, the use safety of the control assembly is effectively protected, high-temperature damage is avoided, meanwhile, intelligent and efficient dust removal of the dust collector can be achieved, frequent manual operation can be avoided, the service life of the dust collector is prolonged, and the labor intensity of workers is relieved.