39 results about "Transportation simulation" patented technology

A simulator of various forms of mass transportation wherein one or more users interact with the vehicles as free-roaming, first-person avatars. This simulation will also allow a user and or multiple users to simulate various job duties associated with mass transportation. This simulation will broadcast jobs or tasks that one or many users may bid on in exchange for credits and increases in data representing skill and experience upon real-time performance evaluation and task completion. The users receive a rating which can change the user's experience within the simulation. The simulator allows the user to design the track or roadways upon which the vehicles operate. The simulator also allows the user to design the vehicle used by the user. The simulator may be used by a single user on a single machine or by multiple users in remote locations.

The invention relates to a horizontal well rock debris transportation simulation experiment set and experiment method which are used for simulating oil drilling and coal bed gas drilling. The horizontal well rock debris transportation simulation experiment set comprises a drill fluid system, a rock debris transportation system, a rock debris supply system, a power system, a data processing system and a rock debris recovering system. The drilling liquid system is composed of a liquid storage tank, a motor, a centrifugal pump, a flowmeter and a butterfly valve which are connected. The rock debris transportation system is composed of a converting connector, a glass tube, a PVC tube, a rock carrying tool, an eccentric triangular plate and the like. The rock debris supply system is composed of a spiral feeder and a rock debris filling device. The power system is composed of a speed regulating motor and a speed changing gear. The rock debris recovering system is composed of a recovering tube, a filter and a rock debris recovering pool. The horizontal well rock debris transportation simulation experiment set and the experiment method can be used for visually observing the transportation condition of horizontal well rock debris, and the influence of different discharge capacities, drill stem rotating speeds, the eccentricity between a drill stem and a borehole, rock debris amounts and rock debris grain sizes on a horizontal well rock debris transportation rule can be simulated. The horizontal well rock debris transportation simulation experiment set is simple and practical, and low in construction cost.

The invention discloses a method and a device for adjusting parameters of a simulation model, and relates to the technical field of transportation simulation. The method includes determining a value of at least one parameter according to the acquired at least one parameter and a value range thereof; running a simulation program corresponding to the simulation model according to the parameters and the values thereof, and acquiring a simulation result including simulation data; calculating a similarity value of the simulation data and real data according to the simulation data in the simulation result and the real data; when the similarity value is larger than or equal to a preset threshold, determining a simulation model target parameter set as a first parameter and a value corresponding to the first parameter. The method and the device are suitable for regulating the parameters of the simulation model, the parameters of the simulation model can be adjusted adaptively, time for acquiring reasonable parameters of the simulation model is short, and efficiency is improved.

The invention discloses a simulation test-bed for the cold storage and transportation of perishable food, which consists of an exterior environment simulation unit and a food cold storage and transportation simulation unit; Wherein, the exterior environment simulation unit consists of an exterior environment simulation control system and an exterior environment simulation chamber; the food cold storage and transportation unit consists of a cold storage temperature and moisture control system, an air regulation-control system, an air regulation system and at least one cold storage box. The simulation test-bed of the invention can do simulation test for the perishable food which is to be frozen and transported so as to obtain optimum cold storage and transportation conditions and the lowest transportation cost to guide transportation and production.

The invention provides a mining area unmanned transportation testing system based on deep virtual-real mixing. The mining area unmanned transportation testing system comprises an unmanned mining areavirtual simulation system, a real unmanned mining area system, a mining area unmanned driving control system and an unmanned transportation operation management system. According to the mining area unmanned transportation simulation test system based on deep virtual-real mixing, real-time information of a map and obstacles is obtained through sensors carried on a real unmanned mine and a real unmanned mine car, the information is fed back to the unmanned virtual simulation test system to construct a virtual model, the reliability of simulation test is improved, and the test efficiency is improved. And meanwhile, the consistency of the simulation test environment of the virtual mine and the actual environment of the real mine is also ensured.

The invention relates to a mining area unmanned transportation simulation test platform and a mining area unmanned transportation simulation method. The system comprises a virtual simulation system, avirtual mine, a mine card mathematical model, a mine card dynamics module, a virtual mine card sensor, a deployment virtual mine card and a cloud intelligent scheduling and management system, and isused for receiving virtual mine data sent by the virtual simulation system, generating a mine map, receiving information, planning a virtual mine card driving path in an operation area, and sending the planned virtual mine card driving path to the cloud intelligent scheduling and management system. The virtual mine card driving path information is generated; a dispatching instruction is generatedand sent to the mine card unmanned control system, the mine card unmanned control system generates a driving instruction and sends the driving instruction to a mine card dynamics module in the virtualsimulation system, and the driving instruction is used for driving the virtual mine card to travel in the virtual mine; through the design of the mining area unmanned transportation simulation system, the technical problems of relatively independent simulation test and low test effectiveness in the prior art are solved.

The invention discloses an asynchronous transportation simulation method and system for particle transportation are decomposition parallel calculation. The method comprises the following steps of: dividing a combinatorial geometric area into a plurality of subareas by a main process by adoption of a division algorithm for multi-division nodes; distributing a simulated subarea and a particle sourcefor each area process by the main process; obtaining particles from the particle source by the area process, so as to simulate particle transportation; sending the particles moving to boundary of thesubarea to another area processes by the area process, or receiving the particles sent by other area processes, and updating a particle migration record of the subarea according to the quantity of particles transmitted or received between the area process and the other area processes; when no to-be-simulated particles exist in the subarea, sending the particle migration record of the subarea to the main process by the area process; and receiving and checking the particle migration record of each area process by the main process, and judging whether to end the simulation or not. The method iscapable of avoiding global communication, decreasing the process waiting time of the whole algorithm and ensuring relatively high parallel efficiency.

The invention discloses a voice behavior assessment and evaluation method for rail transit transportation simulation training, which relates to the technical field of rail transit transportation simulation training, and is characterized by comprising the following steps of: converting voice communication information into text information; extracting all keywords in the whole statement, and classifying the keywords; automatically identifying the voice communication information through a deep neural network to obtain standard voice data, and matching the standard voice data with a voice evaluation database to obtain uniquely matched standard evaluation data; comparing and analyzing the standard voice data and the standard evaluation data, and then judging whether the semantics of the voice communication information and the triggering time are correct or not; and performing comprehensive calculation according to the comprehensive membership function to obtain an autonomous evaluation score of the voice communication information. According to the invention, autonomous and objective voice assessment and evaluation can be reliably, reasonably, accurately and rapidly carried out on the voice communication information in the student training process, and the student can directly know whether the own voice instruction is correct and standard through the evaluation score.

The embodiment of the invention provides a dynamic test device of the volatilization of crude oil. The volatilization test device of volatile matters in crude oil comprises a tank unit, a power unit, a electromechanical control unit and a test data acquisition unit, wherein the tank unit is used to hold crude oil; the power unit is connected with the tank unit and used to provide circulating thrust and pull through an electrohydraulic push rod and drive the tank unit to perform reciprocating motion; the electromechanical control unit is connected with the power unit and used to control the power unit to provide periodic thrust and pull for the tank unit; the test data acquisition unit is connected with the tank unit and used to collect and store the test data of the tank unit; the test data acquisition unit contains a sensor arranged on the tank unit; and the sensor is used to monitor the volatile matters volatilized from crude oil in the tank unit and obtain the test data. By using the test device of the invention, the long-distance transportation simulation test of volatile matters in crude oil can be realized through temperature control and vibration working condition control.

The invention relates to a BIM-based mountain wind power plant road design method. The method comprises the following steps: S1, collecting wind power plant GIS data and forming a three-dimensional digital model; S2, constructing a road BIM three-dimensional model in a wind power plant; S3, conducting multi-scheme comparison and selection of roads in the field; S4, paying off a wind power plant road design scheme and feeding back on site; and S5, modifying and optimizing the road BIM model in the wind power plant. According to the method, all main and branch roads of a mountain wind power plant can be planned as a whole for overall design, transportation simulation of large pieces of fan blades is carried out, the problem of mutual influence between a current collection line and a road is solved, multi-scheme comparison and selection are carried out, and mountain wind power plant road design is carried out more accurately and more efficiently.

The invention discloses an earth fluid substance stratospheric transportation simulation method based on an alternate TVD (Total Variation Diminishing) differential algorithm. The method comprises the following steps: constructing a stratospheric transportation equation of an earth fluid substance, and then performing numerical discretization on the stratospheric transportation equation, thus obtaining a discretization equation of earth fluid substance transportation; decomposing the discretization equation of the earth fluid substance transportation into a step number equal to the dimension number; obtaining flow field data of the earth fluid substance, inputting the flow field data into the discretization equation of the earth fluid substance transportation for value iteration calculation, and forecasting the concentration of the earth fluid substance within each preset iteration time period; in the value iteration calculation process, respectively calculating the concentration of the earth fluid substance of the next time period on each dimension according to the step number equal to the dimension number through different types of TVD limiting functions within different preset iteration time periods, and finally simulating and forecasting a change of the concentration of the fluid substance in the stratospheric transportation process of the earth fluid substance.

The invention provides a road transportation simulation test bed. The bed comprises an objective table, a first vibration device, a second vibration device and a lifting device which are sequentiallystacked and assembled from top to bottom, wherein the first vibration device and the second vibration device have the same structure and are connected in an orthogonal arrangement manner; the first vibration device can enable the whole objective table to move left and right and the left-right section to swing up and down, the second vibration device can enable the whole first vibration device to move front and back and the front-back section to swing up and down, and the lifting device can enable the whole second vibration device to longitudinally ascend and descend. The control device is connected with power sources of the first vibration device, the second vibration device and the lifting device, the road transportation simulation test bed changes a single simulation mode of a traditional test bed, various complex simulation scenes are obtained, and therefore the simulation comprehensiveness of the road transportation simulation test bed is improved, and the experiment reliability ofthe road transportation simulation test bed is enhanced.

The invention discloses a loading and transporting flat-bed truck road transportation simulator and a method for vehicle road transportation simulation. The loading and transporting flat-bed truck road transportation simulator comprises a road simulation test machine, a vehicle loading flat bed, a plurality of support connecting pieces and an acceleration sensor, wherein the vehicle loading flat bed is used for fixing vehicles; the plurality of support connecting pieces are used for connecting the vehicle loading flat bed and the road simulation test machine; and the acceleration sensor is used for detecting the acceleration of the vehicle loading flat bed. According to the loading and transporting flat-bed truck road transportation simulator disclosed by the invention, the movement of theloading and transporting flat-bed truck in the process of transporting the vehicles can be reproduced in the laboratory, and the fatigue failure, damages and design defects of the vehicles during thetransportation process can be quickly discovered in the early stage of project development, thereby improving the vehicle fixing and restraining device, optimizing the vehicle design, and reducing oreven avoiding damages of the vehicles in the transportation process.

The invention relates to the technical field of gas field gathering and transportation pipe networks, and particularly relates to a technical method for diagnosing and identifying pipeline effusion. Collection and transportation simulation software is adopted to perform modeling analysis on a collection and transportation pipe network, meanwhile, a first-order derivative is adopted to perform diagnosis analysis on pipeline on-way pressure loss; according to a software simulation analysis result, the actual gas flow rate and the critical liquid carrying flow rate along the way of a pipeline arecompared and analyzed, and the position of accumulated liquid generated by the pipeline is preliminarily recognized; according to the analysis results from software simulation, the method further includes differentiating the pressure curve of the pipeline along the way; establishing an on-way unit length pressure loss curve of the pipeline; determining the maximum pressure loss point of the pipeline along the way, determining the pipeline effusion position accurately, thus improving pipeline effusion point identification accuracy. According to the invention, the effusion point in the pipe network and the effusion amount in the pipeline are accurately, conveniently and rapidly predicted or diagnosed, and the rapid and effective method is provided for pipeline effusion treatment position selection.

The invention provides an underground metal mine trackless transportation system scheduling simulation method and device, and belongs to the field of mine trackless transportation simulation. The method comprises the steps that an underground metal mine trackless transportation system dispatching simulation model is established to conduct analogue simulation on the trackless transportation processof ore from a stope to a draw shaft; wherein each stope is provided with a scraper for loading ores to a truck; wherein the simulation model is used for simulating the ore trackless transportation process that trucks under different numbers of trucks are matched with scrapers, and in the process of simulating the ore trackless transportation, the trucks randomly select stopes for ore loading andrandomly select draw shafts for ore unloading until ore breaking transportation of all the stopes is completed; and determining the optimal proportion of the number of the trucks to the number of thescrapers according to the simulation result. By the adoption of the method, the optimal proportion of the number of the trucks to the number of the scrapers can be obtained.

The invention provides a pavement model creation method and device of a mine simulation system, a computer readable storage medium and electronic equipment, and the method comprises the steps: obtaining a mine model, and calibrating the mine model; then, according to the calibrated mine model, generating road surface original data, discretizing the road surface original data to obtain a plurality of discrete data points, and verifying the plurality of discrete data points to obtain normal data points; finally, generating the pavement model according to the normal data points, so the pavement model capable of being applied to the mine unmanned transportation simulation system can be rapidly generated through modularization processing between software, the process method is simple, establishment is rapid, data are accurate, the complete mining area pavement model can be established in a short time, accurate data are provided for a self-developed mining area unmanned transportation simulation system, the development period of an automatic driving algorithm is shortened, and the process of actual landing application of automatic driving in the whole mining area is accelerated.

The invention discloses a vibration test method for a modular digital array antenna. The method includes the following steps that: S1, electrical performance testing is performed on a modular digitalarray antenna under an ideal state, a test result is recorded; S2, a three-dimensional simulated vibration testing device is established, a random one-way vibration mode and a random mixed vibration mode are set; S3, one-time transport simulation is performed on the modular digital array antenna, the modular digital array antenna is taken out and is subjected to electrical performance testing, anda test result is recorded; S4, accumulative transport simulation is performed on the modular digital array antenna, the modular digital array antenna is taken out and is subjected to electrical performance testing, and a test result is recorded; and S5, the test results are compared and analyzed, and the transport vibration condition test report of the modular digital array antenna is obtained. When the vibration test method is used, transport vibration condition simulation can be performed on the modular digital array antenna, electrical performance testing can be performed on the modular digital array antenna, and therefore, the impact of a transport process on the performance of the digital array antenna can be analyzed.

The embodiment of the invention discloses a BIM-based transportation simulation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a site roadmodel in a target transportation site, and marking at least one target storage yard in the site road model; arranging a transport vehicle model on the road model, setting parameters of the transport vehicle model according to parameters of a transport vehicle actually transported, wherein the parameters include the transport vehicle length, the transport vehicle width and the turning radius; and controlling the transport vehicle model to carry out simulated transport on the road model, simulating the transport vehicle model to transport articles to the at least one target storage yard so as todetermine whether the actually transported transport vehicle meets the transport requirement or not, predicting whether the transport vehicle to be transported can meet the transport requirement or not in advance so as to be adjusted in advance, and preventing the transport vehicle to be transported from turning back to delay the construction period due to the fact that the transport vehicle to be transported cannot meet the transport requirement.

The invention provides a BIM (Building Information Modeling)-based building fabricated component transportation simulation method, which specifically comprises the following steps of 1, constructing atemporary stacking site model, and establishing the temporary stacking site model in a BIM after obtaining the BIM of an assembly site; 2, planning a transportation line and time, and determining thetransportation line and time of vehicles for transporting shelves and components in an assembly site; and step 3, simulation and adjustment, carrying out simulation and adjusting the transport line,the time and the model structure according to a simulation result. According to the method, a temporary stacking site model is directly constructed in the BIM model of the assembly site, the reflectedengineering information is more stereoscopic and visual, the storage site and the transportation route of the planned component are more reasonable, and therefore construction efficiency is indirectly improved, after planning is completed, through simulation of the transportation process, risk points can be avoided or necessary countermeasures can be taken by effectively combining a simulation result, and construction efficiency is further improved.

The invention relates to a transportation simulation method for onshore wind power large product transportation. The transportation simulation method comprises the following steps that 1, an air bag simulator with the proportion and size same as that of the wind power large product equipment is designed, that is to say, the air bag simulator is designed according to the true proportion of 1:1; 2,the air bag simulator is filled with gas and fixed to the top of a vehicle, a person drives the vehicle to pass a bend, if the traffic problem is encountered, recording is conducted rapidly, and the road reconstruction scheme is judged, wherein the scheme comprises the step of widening an existing road, or cutting part of mountain blocking traffic, or removing line barriers above the road or removing power line poles and communication rods on the two sides of the road; 3, gas in an air bag of the simulator is discharged, so that the vehicle passes the bend having problems, the air bag simulator is filled up with gas rapidly and then fixed to the top of the vehicle, and the vehicle continues to move forwards till encountering the next bend with problems, by that analogy, the bends with problems are troubleshot one by one, and road survey tasks of all road sections is completed; the simulator is the air bag simulator, and the simulator is provided with a quick charge pump and a simulatorfixing frame fixed to the vehicle.

The invention discloses an unmanned aerial vehicle flight transportation simulation racing track which comprises a frame body, a take-off and landing platform, a test platform and an objective table are arranged on the frame body, transfer objects with different sizes and shapes are arranged in the objective table, adsorption pieces are arranged on the transfer objects, the test platform is hollow to form a containing cavity, and the adsorption pieces are arranged in the containing cavity. A containing cavity is formed in the frame body, a lifting platform and a lifting air cylinder are arranged in the containing cavity, an ejector pin frame is arranged above the lifting platform in the containing cavity, a plurality of sliding holes are evenly distributed in the ejector pin frame, ejector pins are arranged in the sliding holes in a sliding mode, a ceiling is connected to the testing platform, and an object conveying channel is further arranged on the frame body. An inlet of the object conveying channel is arranged between the test platform and the objective table, the inlet of the object conveying channel is arranged along the vertical direction, and an outlet of the object conveying channel is arranged on the side wall of the accommodating cavity. The device is small in occupied area, is more comprehensive in test, can better stimulate the interest of participants through the test operation and the performance of the unmanned aerial vehicle, and facilitates the development of unmanned aerial vehicle teaching.

The invention provides a device in-orbit single event upset rate predicating method based on a composite sensitive volume model. The method includes: acquiring charge deposition borne by a device on an actual flight orbit by means of event transportation simulation; combining a single event effect simulation means of a device logic unit to acquire sensitive parameters of the device logic unit, establish the composite sensitive volume model, and describe incident event decomposition charge collection situation; after sample event upset of the logic unit is obtained, adopting a weighted statistic method to obtain a device in-orbit upset rate prediction result. Accuracy in in-orbit upset rate prediction of space navigation components and particularly of high-integration-level small-feature-size deep submicron devices is improved.

The invention discloses a fracturing proppant transportation simulation experiment method for real-time variable sand ratio, comprising the following steps: (1) measuring the bulk density ρ of the proppant t and apparent density ρ s ; (2) Set the value C of the initial sand ratio 1 ; (3) Set the fracturing fluid volume flow rate V f (4) Calculate the mass flow rate W of the required proppant by the volume flow rate of the fracturing fluid and the given sand ratio p , according to W p Calculate the servo motor speed n; (5) According to the determined fracturing fluid volume flow V f Pump proppant and fracturing fluid into the sand mixing cylinder at the same time as the speed n of the servo motor. When the liquid in the sand mixing cylinder reaches the high water level limit, stop pumping the fracturing fluid and proppant, open the sand mixing fluid outlet of the sand mixing cylinder, The sand mixing fluid is injected into the simulated fracture; when the liquid in the sand mixing cylinder reaches the limit of the low water level, the fracturing fluid and proppant are pumped into the sand mixing cylinder; (6) Change the value of the sand ratio and repeat steps (3) to (5 ), to achieve the purpose of changing the sand ratio in real time in the fracturing proppant delivery simulation experiment.

The invention discloses a method for obtaining a digital factory logistics transportation simulation path. The method comprises the following steps: (1) completing logistics transportation path layoutdesign in CAD; (2) reading data information corresponding to a path in the CAD; and (3) converting the path data information to obtain recognizable data information corresponding to the simulation software plane Simulation, and completing the generation of a path model in the plane Simulation. The method has the advantages that the layout path data in the CAD is acquired in an automatic reading mode and automatically imported into the simulation software to generate the path model, so that the speed of data entry before simulation is increased, the simulation efficiency is improved, and the defect of time consumption during manual input is reduced.

The invention discloses a simulated transportation simulation system, comprising: a processing unit, a 3D model unit respectively communicating with the processing unit, an input unit and a storage unit. The 3D model unit is used to import the 3D model of the blister plate and the display module, and calculate the collision displacement L and the collision contact area S according to the size in the model; the input unit includes: the simulation environment selection module and the display module parameter setting module. According to the simulation environment input by the simulation environment selection module, the preset initial speed and collision time and the collision displacement L calculated by the 3D model unit are called from the storage module, and the acceleration is calculated; the display module input by the module is set according to the module parameters. The mass, combined with the formula to calculate the impact force, combined with the collision contact area given by the 3D model unit, calculated the force per unit area according to the formula, the processing unit called the unit area resistance from the storage unit according to the module structure category, and Through the comparison, it can be concluded whether the design of the blister tray is reasonable.

The invention discloses a packaging data processing method and device. The method comprises the steps of obtaining a target model corresponding to a to-be-packaged object; adding a stacking pressing plate or a clamping pressing plate to the target model based on the structure of the target model to obtain a target model added with the pressing plate; and adding constraints and loads on the basis of the target model added with the pressing plate so as to simulate the packaging data of the to-be-packaged object. According to the invention, the technical problem of low simulation efficiency caused by the fact that a model for packaging and transportation simulation needs to be manually added in the prior art is solved.

The invention relates to a fabric transportation simulation test device and a fabric transportation simulation test method. The fabric transportation simulation test device comprises a simulation test rack, a simulation test box and a control device, and the simulation test box is arranged in a three-layer structure; a temperature control module, a humidity control module, an ultraviolet control module and a salt mist generation module are arranged in the simulation test box to simulate the storage and marine transportation environment of the fabric in a container warehouse, and whether the color of the fabric changes in the transportation process or not is effectively detected through a transportation simulation test; further, the container transportation resistance of the fabric can be found in an early stage, precautionary measures of early intervention are taken, and programmed and automatic testing is realized by further combining setting of the control device. In addition, in combination with the structural arrangement of the simulation test rack, the weight and the fabric cover plate are utilized to apply acting force to the fabric to be tested, and the condition that the fabric is stacked and overstocked in the container is effectively simulated.