31 results about "Work simulation" patented technology

The invention relates to an experimental device for simulating a dust removal effect in a coal mining process. The experimental device structurally comprises an air inlet section, a working simulation section and an exhaust section which are sequentially connected in the direction from air inlet to air outlet, the air inlet section is provided with an air inlet bin, a grid, a heater, a humidifier and a hygrothermograph; the working simulation section is provided with a working bin, a dust simulation device, a spraying device and a monitoring device; the exhaust section is provided with a contraction opening, an axial flow fan, a bag type filter and a ventilation pipeline. According to the experimental device, the dust removal effect is monitored and evaluated in real time by simulating the dust generation condition in the coal mine working environment, combining the implementation of dust control measures and reasonably arranging the mine environment simulation device, the dust simulation device, the spraying device, the dust monitoring device and the exhaust system; therefore, reliable experimental data support is provided for optimization of a coal mine dust control technology.

The invention discloses a digging and anchoring surface'pressing-pumping-spraying 'intelligent cooperative dust control and removal experiment platform, which comprises an operation simulation system, a dust removal simulation system and an intelligent centralized control system, and is characterized in that the intelligent centralized control system comprises an industrial personal computer, and the industrial personal computer is used for driving and adjusting the operation simulation system and the dust removal simulation system; the operation simulation system comprises a digging and anchoring all-in-one machine and a belt conveyor, a plurality of groups of sensors are arranged in the roadway at intervals, each group of sensors comprises a roadway dust concentration sensor and a roadway gas concentration sensor, and the detection output end of each roadway dust concentration sensor is connected with the roadway dust detection signal input end of the industrial personal computer. The detection output ends of the roadway gas concentration sensors are connected with the roadway gas detection signal input end of the industrial personal computer; the dust removal simulation system comprises a pressure fan, a dust removal fan and a local pressure fan. Different working conditions can be simulated and verified, and an efficient, accurate and dynamically optimized comprehensive treatment scheme can be obtained.

The invention discloses a shield tunneling machine limit determining and checking method based on a mixed reality technology, and aims at the key requirement for ensuring safe operation of a shield tunneling machine in a design limit in the construction of the shield tunneling machine and solving the problem that a traditional method depends on a two-dimensional drawing and field measurement and has many limitations. In order to solve the problems that a two-dimensional drawing is difficult to present a three-dimensional relationship, so that a constructor has understanding deviation, the field measurement precision is low, the efficiency is not high, and real-time monitoring and adjustment cannot be performed, and the like, the advantages of a mixed reality technology are utilized, and construction area information is obtained through high-precision three-dimensional laser scanning and a model is constructed; after the model is imported into related software for optimization processing, the functions of position anchoring adjustment, shield tunneling machine work simulation, collision detection and the like are developed in Unity, then the system is deployed in HoloLens2 equipment through a series of operation, and accurate alignment of the virtual model and the physical environment is achieved. During construction, constructors can use the method to determine and check the shield tunneling machine limit, limit determination accuracy is improved, construction efficiency is improved, safety and quality guarantee are enhanced, and underground engineering construction technology development is promoted.

The present invention discloses a method for detecting defects of transmission small fittings based on a cascaded network, belonging to the technical field of defect detection of transmission small fittings. The specific method includes: Step 1: Obtain the production line assembly drawings of transmission small fittings; set up the detection device for transmission small fittings; Step 2: Obtain several representative images of transmission small fittings, perform representative image processing, and obtain several groups of training sets and test sets; Step 3: Construct a convolutional neural network for detecting defects of transmission small fittings, and then train and test the convolutional neural network through the obtained training sets and test sets, and mark the successfully tested convolutional neural network as a defect detection model; Step 4: Obtain the detection data of the working simulation module in the detection device, judge whether the detection data is qualified. When the detection data is unqualified, record the corresponding unqualified area; when the detection data is qualified, proceed to the next step; Step 5: Detect the transmission small fittings passing through the detection area through the defect detection model.

To provide a sling work simulation system that enables an experiencing person who wears an HMD to have simulated experience in sling work realistically without requiring precedent implementation of master work by a skilled worker.SOLUTION: A camera 30 of a sling work simulation system 50 photographs an image of a real hanging load 20. A virtual hanging load data generation part 42 generates data on a virtual hanging load including information on the weight and the center of gravity based upon image data on the real hanging load 20 that the camera 30 photographs. An image display part 48 displays an image of a composite space through an HMD 40 by projecting a virtual wire rope having its upper end hooked to a hook part of a virtual crane and the virtual hanging load to which the lower end of the virtual wire rope is hooked on the image of the real space. An image display part 48 can display from a hanging preparatory state in which the virtual rope is hooked to the virtual hanging load placed on the ground surface to a hoisting state in which the virtual hanging load is hoisted up from the ground surface.SELECTED DRAWING: Figure 1

The invention discloses a cable fault simulation test method and system, and belongs to the technical field of cable fault detection, and the method comprises the steps: setting a required cable configuration file before simulation, and building a cable work simulation scene according to the cable configuration file, and recording and evaluating each operation step and detected data during the simulation operation of the student, thereby solving the problem of poor learning effect caused by difficulty in visually displaying a real equipment operation scene and difficulty in analyzing the learning condition of the student during learning in the existing cable fault simulation test method. Not only is the degree of closeness between the cable fault simulation test and the actual condition improved, but also students can set various test conditions during operation, a comprehensive test environment is provided, the students have a more intuitive experience on the practical operation process, the operation process of the students is recorded and evaluated in real time, the learning effect of the students can be displayed, and the practical operation process of the students is more vivid. Students can conveniently find defects in the learning process, and the learning efficiency is improved.

The utility model discloses a launch platform horizontal swing lever work simulation test platform, including bottom plate and side plate, side plate sets up one end at bottom plate, and is connected with bottom plate, bearing assembly sets up one end in bottom plate near side plate, and the bottom of bearing assembly is connected with the top of bottom plate, and the top is connected in the top of side plate, power mechanism sets up the top in side plate for driving bearing assembly rotation, horizontal swing lever one end is connected in transmission assembly, and horizontal swing lever can move in synchronism with bearing assembly. The utility model discloses simple structure, convenient operation, and strong practicality.

A work simulation system (1) is a system for performing work simulation on a work site in a virtual space, and is provided with: an information acquirer (11) for acquiring work performance information (i) of a work trainee (pt) performing the work simulation; a proficiency setting device (13) that sets the proficiency of another worker (po) disposed around the work trainer (pt) at the work site on the basis of the work performance information (i); and an action generator (19) that generates the action of the other worker (po) in the work site on the basis of the skill level of the other worker (po).

This method for visualizing the progress of warehouse work in warehouse work simulation involves displaying, on the basis of warehouse work assigned to a person in charge of work of a warehouse in simulation, a first graphic corresponding to the workload of the warehouse work at a specific position associated with the person in charge of work, and displaying a second graphic corresponding to the progress of the warehouse work over on the first graphic according to the progress of the warehouse work by the person in charge of work.

The application relates to a port scheduling simulation system and method considering automatic driving precision regulation and control, and the method comprises the following steps: S1, setting a vehicle detector in the simulation system, the vehicle detector being used for detecting vehicles entering a work point in real time; S2, setting a vehicle queue of a quay crane / yard crane loading and unloading service, and simulating a first-come-first-served service mode; S3, starting simulation, recording vehicle states and work equipment states at the end of each simulation step; S4, setting or removing a vehicle path in the simulation system; S4, setting / removing a parking line in the simulation system, so that parking work simulation is realized; S5, taking the vehicle states and the work states as inputs, and performing single-step solving of a model; and S7, taking a scheduling algorithm to be evaluated as an input of the simulation system, and performing joint simulation with the simulation system. Compared with the prior art, the application can accurately simulate an automatic container port work scene, so that the scheduling algorithm can be evaluated and tested, work efficiency is improved, and operation cost is reduced.

The invention discloses a method for establishing a simulation model based on hot-line work of a transformer substation, and relates to the technical field of transformer substation simulation, and the method comprises the steps: building a transformer substation equipment, human body and environment simulation sub-model through collecting basic parameters such as equipment arrangement, structure, operation scene, environment, human body posture, gap discharge test and human body surface field intensity actual measurement; calculating a safety gap value in combination with gap discharge test parameters and environmental parameters, coupling the three sub-models to form an initial simulation model, and calculating initial field intensity distribution; and calibrating the initial model by using human body surface field intensity actual measurement parameters to obtain a field intensity calibration model, then adjusting the calibration model based on a safety gap value, and finally forming a transformer substation live-line work simulation model. According to the method, the accuracy of field intensity distribution and safety gap analysis can be improved, and a reliable simulation basis is provided for hot-line work safety.

The invention discloses an equipment virtual-real interaction digital drilling method based on a mixed reality technology, and the method comprises the steps: 1, building a virtual scene three-dimensional space model M and a virtual three-dimensional model m of a robot, marking the original position point, the end position point, the starting position point, the tail end working position point, each working position point and a charging position point of the m in the M, marking a curing interferent, a non-curing interferent and a wave band interference field existing in the M; step 2, calculating the total path time of the robot passing through the position points; 3, robot actions are classified to obtain a work operation action set, a real robot is used for carrying out work simulation drilling on a virtual scene or the virtual robot is used for carrying out work simulation drilling on a real scene, and work simulation drilling time is obtained; and 4, placing the real robots with the same drilling speed in a real scene for simulation drilling, and verifying the drilling action time.

The application discloses a device virtual-real interaction digitalized drilling method based on a mixed reality technology, and comprises the following steps: 1, a virtual scene three-dimensional space model is built M and a virtual three-dimensional model of a robot m ; original and ending position points, starting and ending working position points, each working position point and a charging position point in m are marked M ; solidified interference, non-solidified interference and wave band interference fields existing in M are marked; 2, the total time of the robot in the path between each position point is calculated; 3, the robot action is classified to obtain a working operation action set, a real robot is used to simulate and drill the virtual scene or a virtual robot is used to simulate and drill the real scene, and a working simulation drilling time is obtained; and 4, the real robot with the same drilling speed is placed in the real scene to simulate and drill, and drilling action time is verified.

A climbing anti-fall device for a high-altitude work simulation experience device includes a circulating rope for fixed connection with the operator's body, and is characterized in that it also includes a unidirectional device formed with the circulating rope and only allows rotation along the direction of the rope rotation when the operator ascends and climbs.

A simulation device, method, and program for effectively training personnel for safety work is provided. [Solution] In the simulation device, the CPU 110 includes a scenario management unit 110B that progresses a scenario related to a simulation of security work at a virtual site based on the actions of a character operated by a user, a risk display unit 110C that displays the risk level of the site as the scenario progresses while the scenario is in progress, a conversation processing unit 110D that provides simulated conversations with characters at the site, and an evaluation output unit 110I that outputs an evaluation of the user's specified skills based on the actions of the character at the site and the content of the conversation.

A work simulation system that performs a work simulation simulating work on a work site in a virtual space, and includes: an information obtainer that obtains work achievement information of a work trainee who participates in the work simulation; a proficiency level setter that sets the proficiency level of other worker in the vicinity of the work trainee on the work site based on the work achievement information; and a behavior generator that generates a behavior of the other worker on the work site in accordance with the proficiency level of the other worker.

The invention discloses a power distribution network-based uninterrupted work simulation method and system, computer equipment and a storage medium, and the method comprises the steps: collecting the work data of a power distribution network work project site in real time, carrying out the preprocessing, and constructing a three-dimensional dynamic simulation platform; the simulation work is monitored in real time based on a three-dimensional dynamic simulation platform, and operators participating in the simulation work are scored based on a comprehensive scoring formula; performing difference analysis on the basis of the acquired scores of all the operators, and generating a personalized optimization suggestion corresponding to each operator on the basis of a difference analysis result; historical operation data are acquired regularly, and the standard operation value and the parameter range of simulation operation are automatically adjusted. According to the scheme, the problems of incomplete data acquisition, insufficient simulation environment dynamics and insufficient personalized evaluation and optimization in the prior art can be solved, the operation efficiency and safety of operators are effectively improved, and meanwhile, the operation level of the operators is improved.

The present invention provides a method, apparatus, and electronic equipment for picking workpieces in a deep container. [Solution] The method involves constructing multiple three-dimensional work models based on existing work information, stacking the multiple three-dimensional work models in a deep container model, acquiring multiple work simulation images under different simulation conditions, selecting multiple work simulation images from the multiple work simulation images based on a structural similarity index, processing the target information contained in each selected work simulation image using wavelet transform processing, training a network model constructed using work simulation images with reduced high reflectivity of the work simulation images, and obtaining an instance segmentation model necessary for picking work in a deep container.

The application discloses a hydraulic cylinder working simulation device and a testing method of an axial flow fan, relates to the field of hydraulic cylinder working, and comprises a fixing mechanism, a thrust simulation mechanism, a valve body control mechanism, an oil station mechanism and a display mechanism.The fixing mechanism comprises a first fixing plate, a second fixing plate and a bottom plate, is used for fixing a to-be-tested hydraulic cylinder, and is connected to the to-be-tested hydraulic cylinder through the first fixing plate and the second fixing plate.The thrust simulation mechanism is provided with at least one set of simulation mechanism, and comprises a loading spring, an adjusting rod and a lug.The valve body control mechanism is arranged at the front end of the first fixing plate, is connected to the to-be-tested hydraulic cylinder, and is connected to the oil station mechanism.The oil station mechanism is used for inputting hydraulic oil into the valve body control mechanism.The display mechanism comprises a stroke scale table and a thrust scale table.The application can effectively avoid the waste of manpower and time caused by the installation of a hydraulic cylinder with defects, and reduce the safety risk.

The invention relates to a high-speed mixing machine mixing capability analysis method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: constructing a hybrid work simulation model for the high-speed mixer based on equipment information and process parameters of the high-speed mixer; simulating the mixing process of a plurality of materials in the tank body based on a mixing work simulation model, and determining the material quantity of each material in a plurality of material mixing areas of the tank body at different moments; for each moment, performing statistical analysis on each material quantity at the moment to obtain the mixing uniformity corresponding to the moment; and determining the mixing capability of the high-speed mixer based on the mixing uniformity corresponding to each moment. By adopting the method, quantitative evaluation of the mixing capacity of the high-speed mixer can be realized, and the accuracy of the evaluation result of the mixing capacity can be improved.

The invention belongs to the technical field of construction operation simulation training, and relates to a communication engineering construction operation simulation training method and device based on a VR technology. The weight of the construction action recognition model is updated according to the size relation between the error value and the preset error threshold value, so that the weight updating process is closely related to the training process, the weight updating self-adaption degree is improved, and then the model training speed and the construction operation simulation training efficiency are improved; meanwhile, when the training error is large, the updating mode of the weight is adjusted according to the number of times of training and the size of the error, so that the updating of the weight is more scientific; meanwhile, through the work operation information identification model, fine actions of the user, namely work operation information of the user, can be identified, and after the work operation information of the user is clarified, the work operation information is projected to the VR scene model used for simulating a communication engineering construction work scene, so that the effect of accurate work simulation training is achieved.

The invention discloses a shield tunneling machine empty push station crossing work simulation method and system based on a mixed reality technology, and the method comprises the steps: scanning a station physical space to construct a three-dimensional station model and a shield tunneling machine dynamic model, carrying out the lightweight processing of the models, importing the models into a Unity engine, and configuring a development environment; centimeter-level positioning calibration is realized based on an improved three-point positioning algorithm; developing a dynamic simulation module, and integrating parameter adjustment and interaction conflict feedback functions; an observation point and a visual angle switching function are set to display operation parameters and the like in real time; and compiling the installation package into an ARM64 format and deploying the installation package to the mixed reality equipment. The system covers a multi-source data fusion module, a high-precision space mapping module, a dynamic simulation engine module and a distributed collaboration module. The method can improve the accuracy of the empty pushing station-crossing operation of the shield tunneling machine, improve the construction efficiency, enhance the construction safety, overcome the defects that a traditional method depends on a two-dimensional drawing, field measurement is limited, risk pre-judgment is insufficient and the like, and promote the development of an underground engineering construction technology.

The invention provides a substation hot-line work simulation and monitoring system, and relates to the technical field of substation safety management. In order to solve the problems that in the prior art, live working simulation lacks a specific guidance strategy for actual working route planning and is low in reliability, the live working simulation system comprises a data entry module, a data processing module, a working planning module and a real-time monitoring module. The data input module inputs basic data and scene data of the transformer substation; the data processing module establishes a three-dimensional model according to the scene data, distinguishes the equipment monomers in the three-dimensional model, determines the electrification levels of the equipment monomers, and generates a risk thermodynamic diagram; the operation planning module simulates an operation process according to the basic data, the three-dimensional model and the risk thermodynamic diagram, and generates an operation route meeting a preset risk range; the real-time monitoring module obtains the position information in real time and determines whether the position information obtained in real time is normal information or abnormal information according to the position in the operation route or the position in the risk thermodynamic diagram, and the risk assessment reliability is high.

A work simulator (1) simulates, in a virtual space, a work site in which work is performed by a construction machine (40). A work simulator (1) includes a computer (13) that assists the configuration of at least one configuration object (T) in a work site (S) in a virtual space.

To automate and efficiently perform risk assessments at various work sites, including elevator installation sites. [Solution] The risk assessment system 100 of the present invention comprises a data collection unit 111 that collects risk assessment data showing the results of risk assessments previously conducted on site; a simulation unit 120 that simulates on-site work content based on past work content and outputs work simulation result data; a data analysis unit 141 that analyzes the risk assessment data and work simulation result data as training data; and a risk scenario generation unit 143 that generates a risk scenario for on-site work content based on the analysis results of the data analysis unit 141.

The invention provides an implementation method for applying digital twinning to a nuclear power filter disassembling workstation, and belongs to the technical field of application of a digital twinning technology in a non-standard automation industry. The method comprises the following steps: firstly, carrying out three-dimensional modeling on the nuclear power filter disassembly workstation by utilizing modeling software according to a proportion requirement, importing an obtained model file into Unity 3D software to carry out basic motion virtual simulation, checking whether a built model has principle problems such as interference in an operation process or not, and correcting the model according to a checking result; after correction is completed, the model is accurately positioned, and daily work simulation is carried out; recording and storing the simulation data to form a database; and reproducing the working condition of the specific time period by using the working data in the database. Through the digital twinning technology, a worker can perform simulation operation in a virtual environment, so that the actual operation risk is reduced, and the efficiency and the quality are improved.

The invention provides a simulation analysis method and system for the working process of a gas injection type pressure accumulator, and relates to the technical field of liquid carrier rocket Pogo vibration suppression, and the method comprises the steps: building a gas injection type pressure accumulator working simulation model through a basic simulation model; based on the structure and the working condition of the pressure accumulator, determining a flow simplified model at the flow limiting orifice plate of the overflow pipe; according to boundary conditions of an overflow pipe outlet determined by the flow simplification model, transient two-phase flow simulation of the gas injection type pressure accumulator is conducted through the gas injection type pressure accumulator working simulation model, internal physical property parameter distribution of the pressure accumulator in the working state is obtained, the distribution result is used for analyzing the working characteristics of the gas injection type pressure accumulator, and the working characteristics of the gas injection type pressure accumulator are analyzed. Therefore, the simulation analysis of the whole working process of the gas injection type pressure accumulator is realized, the technical problems that the simulation analysis of the working process of the pressure accumulator is not complete and accurate enough and the calculation cost is high are solved, and the technical effects of improving the accuracy of the simulation analysis and reducing calculation resources are achieved.

This invention provides a simulation analysis method and system for the working process of a gas-injected accumulator, relating to the technical field of Pogo vibration suppression in liquid-fueled launch vehicles. The method includes: constructing a working simulation model of the gas-injected accumulator using a basic simulation model; determining a simplified flow model at the overflow pipe orifice plate based on the accumulator's structure and operating conditions; and performing transient two-phase flow simulation of the gas-injected accumulator using the working simulation model based on the boundary conditions at the overflow pipe outlet determined by the simplified flow model, thereby obtaining the internal physical property parameter distribution under the accumulator's operating state. The results of this distribution are used to analyze the working characteristics of the gas-injected accumulator, thus achieving simulation analysis of the entire working process of the gas-injected accumulator. This solves the technical problems of incomplete and inaccurate simulation analysis of the accumulator's working process, as well as high computational costs, achieving the technical effects of improving the accuracy of simulation analysis and reducing computational resources.

The invention discloses a virtual manpower system and a use method thereof, and relates to the technical field of information. Personnel information and post information are acquired by using an information acquisition module; the simulation module is used for simulating each work content of the post completed by the personnel according to the post information and the personnel information; and the analysis module is used for matching a human model according to the post information, analyzing post human requirements through the human model, the work content, the work target and the work condition, and giving evaluation results of different evaluation dimensions according to the personnel information and the work simulation result so as to obtain a comprehensive evaluation result. According to the invention, the meta-universe technology is applied to the human resource management process, the matching degree of the personnel and the post is evaluated, the result of completing each work of the post by the personnel is simulated, and the evaluation result is objectively given in multiple dimensions, so that the user can better perform human resource management through the virtual human resource system, and the efficiency and accuracy of human resource management are improved.

The utility model discloses a centrifugal pump work simulation experiment device, which relates to the technical field of centrifugal pumps and comprises a centrifugal pump work simulation experiment device, and a water storage tank is arranged on one side of the centrifugal pump work simulation experiment device. The water purifier has the advantage of filtering a water source, in the actual use process, when the water source enters the inner cavity of the water storage tank, under the matched use of the ceramic filter element and the PP cotton filter element, the water quality is improved, the purity of experimental water is ensured, and sometimes, waste of the water source is effectively avoided; by means of the cleaning device, impurities on the surface of the PP cotton filter element can be cleaned in time, the impurities enter an inner cavity of a dirt storage pipe, the follow-up cleaning work is simplified, finally, a user can easily detach a water storage tank and a cover plate through a first fixing bolt, the ceramic filter element and the PP cotton filter element can be detached easily, and the cleaning efficiency is improved. And thus, the ceramic filter element and the PP cotton filter element can be repaired.