57results about How to "Flexible simulation" patented technology

A method and system for interactive simulation of materials. The method and system provide flexible simulation, the ability to combine rigid and flexible simulation, a collision-detection method for simulating objects and other entities, and a system for displaying and interacting with simulated objects which includes a harness for registering the hardware components of the simulation with respect to each other.

The invention discloses a detonation performance test method for high-energy imploding explosive. The method is characterized in that: a explosive grain with a detonator is placed in a sealed explosion vessel; quasi-static pressure of the explosive, transient temperature of the explosive, detonation velocity of the explosive and gas components of the explosive are detected; a temperature sensor is arranged on the sealed explosion vessel, and is provided for monitoring the temperature changing in the sealed explosion vessel during the test process, a pressure sensor is arranged on the sealed explosion vessel, and is provided for monitoring the pressure changing in the sealed explosion vessel during the test process; the sealed explosion vessel is further connected with a gas collection andtest system, a firing device, a detonation velocity test device, a mechanical vacuum pump and a gas cylinder. The method is applicable for the performance tests of various imploding explosives, and can be provided for performing laboratory quantitative evaluation to the gas expansion working.

A method and system for interactive simulation of materials. The method and system provide flexible simulation, the ability to combine rigid and flexible simulation, a collision-detection method for simulating objects and other entities, and a system for displaying and interacting with simulated objects which includes a harness for registering the hardware components of the simulation with respect to each other.

The invention relates to a novel transformer state estimation method based on field-circuit coupling analysis. The method comprises steps as follows: a transformer model is established, and a transformer electromagnetic field is analyzed with a finite element method; a working state of a system where a transformer is located is analyzed and is equivalent to a lumped parameter circuit model in a corresponding state, and circuit analysis is performed; a field-circuit coupling mathematical model of the transformer is obtained on the basis of electromagnetic field analysis and circuit analysis; finite element software is adopted for calculation, a vector magnetic potential A of each node in solution space of the transformer is obtained, other physical quantities such as winding current, impedance and the like of the transformer are solved, and electromagnetic field distribution of the transformer, electromagnetic force borne by a winding and loss of all parts of the transformer are obtained; loss values of all parts of the transformer are taken as heat sources to be loaded to a transformer temperature field model, and transformer temperature field distribution is obtained with a finite volume method. Therefore, estimating analysis of multi-aspect states such as the electromagnetic field distribution of the transformer, the electromagnetic force borne by the winding, temperature field distribution and the like when an electric power system is in different states is realized, basis is provided for overhauling and maintaining work of the transformer, and the working efficiency is improved.

The invention relates to a test device for simulating permafrost region well heat insulation or heating. The test device is characterized in that a test tank is a circular interlayer barrel body consisting of an outer ring, an inner ring, a top plate and a bottom plate, a soil body is filled in an interlayer, a refrigerating liquid circulation passage is arranged inside the top plate and the bottom plate, is connected with a refrigerating temperature control device and is in contact with the soil body, water is filled in a water tank, the water tank is arranged in the test tank, a heat insulation barrel is placed between the water tank and the test tank, heat insulation covers are placed on and under the water tank, a water replenishing device is connected with a water tank bottom plate through a water replenishing pipe, a water pressure gauge is arranged on the water replenishing pipe, a water pumping device is connected with a water tank top cover through a water pumping pipe, the water pumping pipe is inserted into water of the water tank, a flow meter is arranged on the water pumping pipe, a heating temperature control device is connected with a heating pipe through a conducing wire, the heating pipe is inserted into the water of the water tank, and temperature sensors are arranged in the solid body and the water of the water tank and are respectively connected with a digital collecting instrument. The test device has the advantages that the permafrost region well is simulated, the reasonable well diameter, the water pumping speed, the heat insulation thickness and the power of a heating device are obtained, and the goals of energy saving and environment protection are reached.

The invention relates to a ground fault simulation device for an electric power direct current system. The ground fault simulation device for the electric power direct current system comprises rotary switches SA1-SA4, resistors R1-R18, capacitors C1-C14, an adjustable transformer T and an alternating current 220V power supply GJ. The ground fault simulation device for the electric power direct current system has the advantages that complex ground faults of various types can be simulated flexibly and safely by using a direct current bus or direct current branches of a field direct current power supply system, and the ground fault simulation device is convenient to mount and operate; alternating current invasion simulation can be further carried out on the direct current bus or all the direct current branches, alternating current electricity jumping faults such as PT alternating current voltages and 380V alternating current low voltages in an electric power system can be simulated, and alternating current measuring and recording functions of an insulation monitoring device can be detected; an interlocking method is adopted by the rotary switches in the ground fault simulation device, and the safety and the reliability in the ground fault simulation process are ensured.

The invention discloses a method for determining the carrying capacity and a temperature field of a submarine cable. The method includes the following steps of firstly, determining a soil temperature sensing area of the cross section of the cable in a two-dimensional plane; secondly, conducting finite element mesh generation on the soil temperature sensing area to obtain a finite element triangular network, and numbering all nodes in the finite element triangular network; thirdly, calculating the rigidity coefficient and the internal thermal coefficient of each triangular unit in the finite element triangular network according to the current of the cable; fourthly, setting up a temperature field model, namely, KT=P, through finite element overall synthesis according to the rigidity coefficient and the internal thermal coefficient, and conducting solving to obtain the temperature field T; fifthly, determining the temperature field Tmax according to the highest working temperature of a cable core conductor, substituting the temperature field Tmax to the temperature field model to serve as a target vector, and conducting solving to obtain the carrying capacity of the cable. According to the method, complex boundary conditions and environment parameters can be flexibly simulated, compared with the prior art, the method is closer to the practical running condition of the cable, and a more accurate result can be obtained.

The invention discloses an open-closed loop combined semi-physical simulation method and system for medium and large unmanned aerial vehicles, and relates to the technical field of unmanned aerial vehicle flight control simulation. A simulation and test computer and a simulation management computer can independently carry out open-loop testing on the physical interface and interface program of a flight control and management computer. The simulation and test computer can flexibly simulate multiple communication interfaces by replacing an interface board card. An open-closed loop combined semi-physical simulation test is built at a lower cost. Key functions of an unmanned aerial vehicle system can be verified. Physical interface and codec program testing is carried out on a ground station,data transmission, the flight control and management computer, rudder control and a steering engine. Simulation testing is carried out on guidance and control parameters and flight management logic. The simulation management computer can be used to set the faults and meteorological conditions of a sensor, the steering engine and rudder control and test the robustness of flight control functions and the fault tolerance of flight management functions.

The invention discloses a system and method for simulating imaging of a sea surface and ship composite scene by a stationary orbit SAR. A target characteristic simulation subsystem generates the moving sea surface and ship composite scene, and a flight parameter setting computer generates a flight attitude and a flight track of the tested stationary orbit SAR equipment and controls the attitude ofthe tested stationary orbit SAR equipment; one-dimensional range profile data of the moving sea surface and ship composite scene is generated corresponding to the current position angle of the stationary orbit SAR, and converted into a corresponding stationary orbit SAR echo signal, the stationary orbit SAR echo signal is radiated to the tested stationary orbit SAR equipment by an array and the feed system through a feed control computer, and finally, the tested stationary orbit SAR equipment performs imaging on the received echo signal and displays the echo signal on a simulation situation display subsystem.

The invention relates to a test substrate, which comprises at least one set of test units which are used for replacing products to detect the manufacturing effect, wherein, each test unit comprises at least two test primitives and at least two auxiliary test primitives; the test primitives are connected with the auxiliary test primitives at intervals; and peripheral figures are arranged outside the test units and filling figures are arranged inside the peripheral figures. Moreover, the invention also provides a test substrate mask and a method for forming the test substrate. The test substrate can realize detection of the grinding uniformity affected by the density of the peripheral figures of the products and improve the authenticity of the detection.

The invention discloses a flexible winding deformation simulation device which mainly comprises a high-voltage winding, a low-voltage winding, a bottom plate, a high-voltage winding bracket, a low-voltage winding bracket, an iron core and clamps. By virtue of the characteristics that a flexible winding is liable to deform and recover and a bracket can be moved horizontally, deformation simulationon displacement, partial deformation, interturn short circuits and the like of a transformer can be achieved by changing the shape and / or adjusting the position of the flexible winding. Deformation situations of different parts and different shapes of the transformer are taken into account sufficiently, and a novel method for simulating actual winding deformation is provided; winding deformation includes most types of conventional transformer winding deformation, testing targets are provided for short circuit impedance testing and frequency response method testing, and calibration samples areprovided for testing instruments; and under the condition that a winding is not disassembled or pulled out, winding deformation of different shapes at different parts can be caused, and the device hasthe advantages of accuracy, reality, flexibility, visibility and reutilization.

The invention provides a massage underwear remote control system based on mobile terminal application and a work method of the massage underwear remote control system. The massage underwear remote control system builds remote communication connection between a sending mobile terminal and a receiving mobile terminal through an application server, the remote touching technique is achieved, massage underwear is remotely controlled, control over massage vibration work modes of the massage underwear by the sending mobile terminal is richer by setting different vibration control parameters, and therefore the massage underwear can simulate multiple kinds of massage, stroking and other touch more flexibly and really. In addition, receiving users feel like being massaged and stroked by sending users through the work modes, allopatric kinsfolk, lovers and couples are helped to enhance communication through remote touch interaction, the problem that remote touch interaction technical products do not exist in the prior art is resolved, and a good market application prospect is obtained.

The invention discloses a human face skin image melanin and hemoglobin concentration extraction and control method. The method includes the following steps: acquiring a human face skin polarized lightRGB color image and dividing the image into a plurality of sub-image blocks; performing the main component analysis and independent component analysis on each sub-image block to obtain a mixed matrixset; designing a mixed matrix effectiveness determination constraint condition, filtering out an effective mixed matrix subset from the mixed matrix set, and performing statistical operation to obtain an optimal mixed matrix; designing a weight control factor of the optimal mixed matrix, and constructing a human face skin melanin or hemoglobin concentration distribution image with the adjustableconcentration and a comprehensive synthetic image. According to the invention, an independent component analysis algorithm is adopted, and the mixed matrix effectiveness determination constraint condition is designed, the technical problem that in the existing melanin and hemoglobin concentration extraction method, the concentration extraction result is unstable and the error is large due to the fact that the concentration extraction is interfered by the invalid mixed matrix is solved.

The invention relates to a test matrix, which includes at least one continuous test unit series; the single continuous test unit series comprises at least two continuous test units; the continuous test unit comprises a basic test element and an auxiliary basic test element; the basic test element and the auxiliary basic test element in the continuous test unit series are connected by alternation; the dimension ratios of the basic test elements and the auxiliary basic test elements comprised by different continuous test units in the same continuous test unit series are the same; the dimensions of the basic test elements and the auxiliary basic test elements of the neighboring continuous test units are gradually changed. A proper technique window can be obtained by testing the remaining of the oxides on the surface of a passivation layer so as to restrain the oxide remaining phenomenon on the surface of the passivation layer from being generated.

The invention provides a bionic hand for traditional Chinese medicine pulse conditions. The bionic hand structurally comprises a bionic arm, wherein a radial pulse bionic blood vessel is arranged in the bionic arm and communicates with a blood vessel simulator; the blood vessel simulator communicates with a heart simulator; the blood vessel simulator and the heart simulator are connected to a control device; the bionic arm and the radial pulse bionic blood vessel are made of a high polymer material; the heart simulator comprises an adjustable-speed motor, an oil pump controlled by the adjustable-speed motor, a single chip microcomputer and a plurality of electromagnetic valves controlled by the single chip microcomputer; and the blood vessel simulator, the radial pulse bionic blood vessel communicating with the blood vessel simulator, and the oil pump of the heart simulator are filled with silicone oil. The bionic hand is capable of flexibly simulating various pulse conditions of a human body by virtue of an advanced high polymer material, electronic equipment and the like and providing good repeated training opportunities for students and researchers of the traditional Chinese medicine, so that the cultivation of talents of the traditional Chinese medicine is not completely controlled by clinical practices.

The invention discloses a processor simulation method based on an FPGA. The method comprises the following steps that firstly, a processor is decomposed into processor modules; secondly, a processor configuration file is set; thirdly, the processor modules comprehensively check and establish a loading file capable of running on the FPGA; fourthly, the loading file is programmed to the FPGA. According to the method, the FPGA serves as a basic hardware platform, the processor is decomposed into different modules, all the modules of the processor are connected together through the configuration file, and the loading file is programmed to the FPGA. By means of the method, FPGA-based processor simulation is achieved; the characteristic that the FPGA can be reconfigured is fully utilized, the simulation efficiency of the processor and the simulation performance of the processor are improved, and the flexibility is higher.

The invention belongs to the electronic technical field, and relates to a car body control system simulation test system based on a controller area network (CAN) bus, which solves the technical problem of the prior art that the design is unreasonable. The test system comprises a test rack, wherein the test rack is provided with a load subsystem, the load subsystem comprises a plurality of car body electronic devices and / or a plurality of simulation car body devices which are installed on the test rack, the load subsystem is connected with at least one body control module (BCM) through a connection module, the BCM is respectively connected onto the CAN bus, the connection module comprises a switch array, and each switch of the switch array is respectively provided with a detachable connection terminal. The car body control system simulation test system has advantages that the car body electronic device and / or the simulation car body devices in the load subsystem can be conveniently connected to the test system or can be conveniently ruled out of the test system through the connection module, so that the influence of each car body electronic device and / or each simulation car body device on the car body control system can be detected.

The invention discloses a paper curling degree detection device with high-precision positioning. According to invention, a target point can be effectively positioned through a laser lamp, manual artificial errors of each shooting are reduced, the positioning time is greatly shortened, and the detection efficiency is improved. Through the cooperative use of a sharp part and a sharp groove, the movable gap between a horizontal rod and a horizontal table can be better reduced, the shaking of a camera is reduced, and the problems that pictures are fuzzy and the measurement difficulty and errors are increased due to the shaking in shooting are prevented. The constant environment of the paper curling process and paper measurement operation is guaranteed through a constant-temperature and constant-humidity test box, and detection errors caused by environmental instability are avoided. According to the invention, the camera is used for photographing and recording the curled paper, thereby notonly being capable of measuring visually and accurately on the picture, but also greatly avoiding manual measurement through a manual caliper at the same time, and avoiding the influence on a measuredvalue due to manual change of a curling effect during the manual operation.

The invention aims to overcome the defects in the prior art, and provides a land ship system for a simulation test, which is used for simulating the motion characteristics of a target ship on the land, and comprises a control subsystem and a land ship subsystem in signal connection with the control subsystem, the control subsystem is used for controlling the operation of the land ship subsystem and receiving the feedback of the land ship subsystem; and the land ship subsystem is used for realizing simulation of a target ship according to the command of the control subsystem. A land ship for simulating the target ship is arranged on the land, so that the land ship can be separated from the water environment for testing, does not need to coordinate a test water area and block the water surface, is relatively small in test preparation and coordination workload, is easy to recover the ship body, and can flexibly travel on the land at a high speed according to a preset track through the control subsystem; and the motion characteristics of the target ship are truly simulated.

The invention relates to a middle-set-type intelligent high-voltage switch cabinet based on a field bus remote control technology. The middle-set-type intelligent high-voltage switch cabinet comprises a cabinet body, a cabinet door, a door opening sensor, a temperature sensor, a humidity sensor, a current sensor, a voltage sensor, an electric leakage protection sensor, a loudspeaker, a microphone, a video data collector and a field bus remote control device. The middle-set-type intelligent high-voltage switch cabinet has the advantages of high structural strength, good heat dissipation performance and good isolation performance among circuit members, and the operation stability of the circuit members in the switch cabinet is greatly improved; in addition, the operation condition data of circuit members in a power distribution cabinet can be collected at a long distance, instant information exchange and communication with onsite personnel of the switch cabinet can be carried out at a long distance, and all operations of the onsite personnel can be supervised and known, so that the scientificity and the accuracy of switch cabinet operation information collection and control are improved, and the operation stability and the management level of the switch cabinet are improved.

The invention provides a traditional Chinese medicine pulse condition model, which comprises a test bed. The test bed is fixedly provided with bionic hands and an electronic display screen. The bionic hands and the electronic display screen are connected to a control device. The control device comprises a control box and a console. The control box is internally provided with a heart simulation device and a blood vessel simulation device connected therewith. The console is provided with a plurality of control buttons. The traditional Chinese medicine pulse condition model can flexibly simulate various kinds of pulse conditions of the human body by means of advanced high-polymer material and electronic equipment and the like, thereby providing good repeated training opportunities for students and research personnel in traditional Chinese medicine and enabling culture of talented persons in traditional Chinese medicine not to be fully limited by clinical practices.

The invention relates to a device for testing power grid adaptability of a wind generator set, which comprises a converter built based on a power semiconductor switch device. The input end of the converter is connected with a three-phase power supply and the output end thereof is connected with the wind generator set. The converter comprises a controller, a rectifier, a DC link and an inverter successively connected together. The controller is in signal connection with the rectifier and the inverter. The rectifier is connected with the three-phase power supply. The inverter is connected with the wind generator set. Or the converter comprises an AC-AC converter and a controller. The AC-AC converter is connected with the three-phase power supply and the wind generator set. The controller is in signal connection with the AC-AC converter. The device can bearing a majority of dynamic impacts caused by the wind generator set in the fault experiment process of the power grid to reduce the requirement of an experiment system on the capacity of the power grid. Meanwhile, the device can flexibly simulate various power grid faults, extend the test range, enrich test data and reduce the experiment period. The device can also completely test the fault data of the wind generator set in various states of the power grid.

Coal sample preparation and coal seam permeability measurement integrated device, including the bottom plate, feeding part, stirring part, coal seam cleat part and coal seam permeability testing part, the feeding part, stirring part and coal seam cleat part are arranged in sequence from top to bottom , the upper surface of the bottom plate is fixedly connected with a door frame type support, the mixing part and the coal seam cleat part are fixedly installed on the door frame type support, the feeding part is fixedly installed on the top of the stirring part, and the coal seam permeability test part is fixedly installed on the bottom plate, The discharge end of the feed part is connected to the feed end of the stirring part, the discharge end of the stirring part is connected to the feed end of the coal seam cleat part, the gas outlet end of the coal seam permeability test part is connected to the inlet end of the coal seam cleat part Connection, the gas outlet of the coal seam cleat part is connected with the gas inlet of the coal seam permeability test part. The invention integrates coal sample preparation and coal seam permeability test, can simulate the distribution of end cleats and surface cleats in underground coal seams, and provides a new device and method for indoor measurement of coal seam permeability.

The invention relates to the technical field of medicine experiments, and provides a bionic liver micro-fluidic cell culture-medicine screening chip which at least comprises a core plate layer, a bottom plate layer and a top plate layer, the core plate layer and the bionic central vein channel penetrate from the top plate layer to the bottom plate layer; the core plate layer comprises a plurality of hepatocyte culture chambers arranged in a circumferential surrounding mode and bionic capillary channels arranged between the adjacent hepatocyte culture chambers, and the bionic central vein channels penetrate through the centers of the hepatocyte culture chambers arranged in the circumferential surrounding mode; the bottom plate layer is located below the core plate layer and comprises a blood vessel channel, and the blood vessel channel is connected with the bionic central vein channel; and the top plate layer is positioned above the core plate layer and is provided with a flow control connection port. According to the scheme provided by the invention, more accurate metabolic data of the liver cells on the medicine can be obtained.

A coal sample preparation and coal seam permeability measurement integrated device comprises a bottom plate, a feeding part, a stirring part, a coal seam cutting part and a coal seam permeability testing part, the feeding part, the stirring part and the coal seam cutting part are sequentially arranged from top to bottom, a door frame type support is fixedly connected to the upper surface of the bottom plate, and the stirring part and the coal seam cutting part are both fixedly installed on the door frame type support; the feeding part is fixedly installed at the top of the stirring part, the coal seam permeability testing part is fixedly installed on the bottom plate, and the discharging end of the feeding part is connected with the feeding end of the stirring part; the discharging end of the stirring part is connected with the feeding end of the coal seam cutting part, the air outlet end of the coal seam permeability testing part is connected with the air inlet end of the coal seam cutting part, and the air outlet end of the coal seam cutting part is connected with the air inlet end of the coal seam permeability testing part. According to the invention, the coal sample preparation and the coal seam permeability testing are integrated, the end cleat and surface cleat distribution in an underground coal seam can be simulated, and a novel device and method is provided for the indoor determination of coal seam permeability.

The invention relates to the field of navigation management, in particular to a method for simulating aircraft flight tracks. Aiming at the problems existing in the prior art, the method for simulating the aircraft flight tracks enables the accurate aircraft flight tracks to be simulated flexibly according to the information such as the current location of an aircraft and the speed of the aircraft. According to the method for simulating the aircraft flight tracks, the longitude L2 and the latitude B2 of the position where the aircraft located after unit time t is obtained according to the longitude L and the latitude B of a projection point K of the aircraft on a spheroid and the component velocity VL on the circle of longitude and the component velocity VB on the circle of latitude of the aircraft, and then a series of the flight tracks of the aircraft are obtained.

The present invention is a static orbit SAR imaging simulation system and method for sea surface and ship composite scene, the target characteristic simulation subsystem generates the moving sea surface and ship composite scene, and the flight parameter setting computer generates the flight attitude and flight track of the tested static orbit SAR device , to control the attitude of the tested geostationary orbit SAR device; generate the one-dimensional range image data corresponding to the current position angle of the geostationary orbit SAR in the moving sea surface and the compound scene of the ship, and convert it into the corresponding geostationary orbit SAR echo signal, and pass the feed The control computer is radiated to the tested geostationary orbit SAR device by the array and the feed system, and finally the tested geostationary orbit SAR device performs imaging processing on the received echo signal and displays it on the simulation situation display subsystem.

The invention provides a permeability coefficient determinator for a geosynthetic clay liner (GCL), which relates to an instrument for measuring the permeability coefficient of the GCL under the environment of a simulated water channel. The permeability coefficient determinator for the GCL comprises a top plate, a water storage tank, a sample clamping cushion and a water collector, wherein the top plate is fixed on the water storage tank to form a closed space; a water inlet pipe and an exhaust pipe are arranged on the upper part of the top plate; an opening is formed at the bottom of the water storage tank, and a dismountable water passing disk is arranged in the water storage tank; the sample clamping cushion is arranged below the water storage tank; a bottom plate is arranged below thesample clamping cushion, the bottom plate is relatively fixed with the top plate through bolts, and the sample clamping cushion is fixed below the water storage tank; the water collector is fixed below the bottom plate, and a plurality of water leakage holes are formed on the bottom plate and are communicated with the water collector; and a water outlet pipe is arranged below the water collector.The instrument has simple structure, can flexibly simulate water channels under the environment of different heights of water heads, can accurately measure the permeability coefficient of the GCL, and simultaneously can measure similar impermeable materials.

The invention discloses a mixing process control experimental apparatus. The mixing process control experimental apparatus comprises a water storage tank as well as a first water groove and a second water groove which are connected with each other sequentially through a pipeline with electromagnetic valves; the first water groove is provided with a water inlet and a water outlet, wherein the water inlet is connected with a first heating device, the water inlet is connected with the water storage tank through a water pump; a stirrer is installed in the first water groove; a stirrer and a second heating device are installed in the second water groove; and the second water groove is provided with two water inlets and a water outlet, wherein one water inlet is connected with the water outlet of the first water groove, the other water inlet is connected with the water storage tank through a water pump, the water outlet is connected with the water storage tank through an air-water heat exchanger and a water pump sequentially. According to the mixing process control experimental apparatus of the invention, the opening and closing of the electromagnetic valves are adjusted through a control system, so that a mixing procedure control process can be simulated flexibly, and the design and test of control algorithms under different complexities can be realized, and an experimental apparatus emphasizing algorithm test and execution in actual conditions can be provided for researchers of related theories.