57results about How to "Flexible simulation" patented technology

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 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 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 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 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 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.

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.