69results about How to "Shorten research time" patented technology

The invention relates to a control system for tunnel stratum loss and grouting simulation in a centrifugal field. The system comprises a model case, a baffle plate, a model component, an accessory component, an operation subsystem and a centrifuge, wherein the baffle plate is arranged in the model case to divide the model case into two parts, namely a model side and an accessory side; the model component is arranged in the model side; the accessory component is arranged in the accessory side; the accessory side of the baffle plate is welded with three pieces of stiffening plates to divide theaccessory side into three spaces; the operation subsystem is connected with the accessory component; and the model case is arranged on the centrifuge. Compared with the prior art, the control system has the advantages that the control system can simulate actual conditions such as tunnel excavation, the stratum loss and tunnel grouting in the high-speed centrifugal field, better represents actual soil mass stress level in a laboratory and can acquire practical engineering rules; equipment and devices needed by making the system can be realized in the prior art; the requirements on equipment ofa centrifugal laboratory are not high and the like.

The invention discloses a humanoid robot soccer competition real-time simulation system of the computer simulation technology field, and comprises four modules: a client end, a server, a monitoring module and an information interaction module. Three humanoid robot modules are arranged on the client end, each humanoid robot module obtains the scene information from the server by the information interaction module, reconstructs the scene competition environmental module, analyzes the current environment, generates the decision information and synthesizes the standard instruction to be sent to the server by the information interaction module, so as to carry out the competition between the two teams; the monitoring module carries out the real-time display of the conditions of the competition between the two teams, and the four modules construct the three-to-three humanoid robot soccer competition 3D real-time simulation system. The humanoid robot soccer competition real-time simulation system actually reflects the process of the humanoid robot soccer competition and provides a great test platform for improving various theories, algorithms and the structure of the humanoid robot system.

The invention belongs to the field of tunnel engineering research in geotechnical and underground engineering, in particular to a water leakage simulating and measuring system of a tunnel in a centrifugal field. A hollow cuboid is arranged at the middle part of a model case which is divided into a model side and an accessory side by a partition board; a sealing top cover is arranged at the top of the model side, a tunnel is positioned on the model side, and a hydraulic valve and a liquid storage cylinder are positioned on the accessory side; the partition consists of a steel plate, a longitudinal reinforcing rib and a transverse reinforcing rib; the steel plate is provided with a hole with threads; a bidirectional joint is sleeved in the hole with the threads and respectively connected with the tunnel tube and the hydraulic valve through liquid conduits arranged at two ends of the bidirectional joint; the hydraulic valve is connected with the liquid storage cylinder; a pore water pressure gauge is arranged at the bottom of the liquid storage cylinder; the top surface of the liquid storage cylinder is provided with a pore; and the pore water pressure gauge passes through the port and is connected with measuring equipment through a lead. The invention can simulate actual water leakage condition of the tunnel in a high-speed centrifugal field and better reproduce the actual soil body stress level. The equipment and instrument required by the invention can be realized under the prior technical level; and the invention has low requirement on equipment of a centrifugal lab, can be conveniently manufactured and popularized and better serves scientific research.

A device according to the present invention comprises:

• • a central unit (8) having access to a database (18) in which there are stored not only information on the aircraft fleet to be managed but also an aircraft repair manual, this central unit (8) having means of communicating with the outside, and in particular with a technical center (16) of at least one aircraft manufacturer,
  • at least one portable device equipped with visual display means as well as with means of wireless communication between the said portable device and the central unit (8).

Application to the analysis of damage observed in an aircraft during inspection thereof.

A springback occurrence cause analyzing method includes a forming analyzing step of calculating forming data about an object to be formed, a component resolving step of resolving the stress component in one direction into a parallel stress component and a bending moment component, a pre-calculation independent resolution forming data creating step of creating pre-calculation independent resolution forming data, a calculating step of creating post-calculation independent resolution forming data, a springback analyzing step of analyzing a first springback shape and a second springback shape, a degree-of-influence calculating step of determining the degree of influence of the stress of each region calculated from the shape before the springback included in the forming data and the first and second springback shapes on the springback deformation, and a display step of displaying the degree of influence on the springback deformation.

The invention discloses a wind turbine simulator of a double salient pole motor and a control method thereof, which belong to the wind turbine simulator and the control method thereof. The wind turbine simulator of the double salient pole motor comprises a double salient pole motor, a main power circuit and a control circuit, wherein the main power circuit comprises a power supply and an IPM, and the control circuit comprises a buffer circuit, a failure detector circuit, a current and voltage sampling circuit, a position detecting circuit, a PWM control circuit, an overcurrent and overvoltage protection circuit, an ADC module, a rotating speed computing circuit, a logic control circuit, a torque observer, a capturing unit, a torque loop, a lag loop comparer and a mathematical model of the wind turbine. The control method adopts the manner of double loop control with the inner loop for the torque and the outer loop for the rotating speed, and the current of the double salient pole motor is indirectly controlled through comparing the reference torque with the fedback torque, so as to realize the simulation of the wind turbine. The invention has the advantages that the structure is simple, the force is large, various wind speeds under conditions such as a wind tunnel or a wind field can be simulated, and the invention has large flexibility.

The invention discloses a cucumber male sterility gene related SNP (Single Nucleotide Polymorphism) marking method and application. The marking method comprises the steps of taking a YL-5 male sterile line as a female parent to hybridize with a distant related variety D37-1, so as to obtain a hybrid F1, performing selfing by the hybrid F1 to obtain an F2 population, and two phenotypes of male sterility and male fertility exist in an F2 segregation population, then utilizing a method of combination of re-sequencing and BSA, screening an SNP locus unrelated with the male sterility, and developing a male sterility gene related molecular marker. The marking method disclosed by the invention has the advantages of short period, low cost and high efficiency. Meanwhile, an important development approach is provided for molecular markers for molecular breeding, phyletic evolution and germplasm resource identification.

The invention relates to a researching method for hydraulic forming technical parameters of a titanium T-shaped pipe. The combination of a simulation model and a theory test is utilized to research the hydraulic forming of the T-shaped pipe; a 1/4 simulation model is adopted as the model; the researching time is shortened; the production efficiency is increased; a qualified T-shaped pipe is prepared in a hydraulic forming test by utilizing the technical parameters acquired from the research by researching the relation between inner-pressure loading and time (inner-pressure loading path) and the relation between punch feeding and time (punch loading path); the supplementary material of the forming area is effectively realized, so that the smaller wall-thickness thinning ratio and the relative uniform wall-thickness distribution are acquired; the forming limit of the T-shaped pipe is increased; the traditional research for the technical parameters by utilizing experiences and continuous tests is avoided; the cost is reduced.

The invention discloses a method for generating hairy roots by efficiently inducing trifoliate orange by agrobacterium rhizogenes, and application of the method. The method is accessible, simple and convenient to operate, and high in induction frequency of co-transforming hairy roots. Separated hairy roots can self-grow on an MT basic culture medium, the growing condition is easy to control, and experimental observation is convenient. A hairy root system contains a DR5::YFP (Yellow Fluorescent Protein):GUS (Glucuronidase) reporting gene, and a DR5 promoter is inducted to express by auxin, so that distribution and expression modes of endogenous auxin in the growing and developing process of hairy roots can be intuitively observed according to YFP fluorescent and GUS dyeing results, and the problems that a root system growing in soil is inconvenient to observe and take, the growing environment is hard to control and the like in conventional methods of trifoliate orange root system development study are solved.

The invention discloses a directional cloning method, a transformation method of a carrier and a carrier T, wherein the directional cloning method includes the steps of designing and synthesizing an enzyme digestion kit, constructing the linear carrier T with two ends provided with protruded dT, generating PCR (Polymerase Chain Reaction) segment of the target gene, and constructing a recombinant carrier containing the target gene. According to the directional cloning method, the directional TA cloning technology can be used for preparing efficient directionally-cloned carrier T which can be widely applied to cloning and expression of a PCR product in molecular biology experiment. As an expression carrier is reconstructed, the PCR product can be directly connected to the expression carrier, the connecting direction of the target gene can be determined after identification of single enzyme digestion, expression can be performed in cells, the connecting direction is determined without complex steps such as conventional sequencing and the like, the direction cloning can be simply and rapidly realized, engineering bacteria can be constructed through one step, and the application prospect is wide.

The invention provides a continuous rotation detonation combustion chamber supercharge ratio predicting method based on a RBF neural network. The predicting method comprises the following steps: data sample acquisition, selection of input and output parameters, determination of the structure of the RBF neural network, training and testing of the RBF neural network and the like. The axial size, the peripheral size, the matching of inlet fuel/oxidizing agent flow, and total temperature and total pressure of an oxidizing agent of a combustion chamber are selected as input parameters of the RBF neural network, and the supercharge ratio of the combustion chamber is selected as an output parameter of the RBF neural network. By the predicting method, the specific mathematical relation between the input parameters and the output parameter does not need to be determined, the supercharge ratio of the continuous rotation detonation combustion chamber can be realized effectively, and the predicting method has a certain guidance significance on performance prediction of the continuous rotation detonation combustion chamber, the structural optimized design and modeling and simulation of a complete machine.

The invention relates to the field of efficient and controllable preparation of semiconducting dominant single-walled carbon nanotubes, in particular to a method for controllable preparation of semiconducting single-walled carbon nanotubes through combination of high-throughput screening and machine learning. A combined mask plate is adopted to assist ion beam coating, and a discrete catalyst array is deposited on the digitally-marked silicon wafer in a high-flux mode; automatically representing the single-walled carbon nanotubes discretely distributed on the surface by adopting a Raman spectrometer and obtaining respiratory model information; the method comprises the following steps: automatically extracting the position and number of breathing modes from high-flux Raman spectrum data through an independently designed data mining tool, calculating and judging the conductive property of the single-walled carbon nanotubes on each catalyst array, and calculating the content of the metallic or semiconducting single-walled carbon nanotubes in combination with multi-wavelength Raman breathing mode data; and collecting high-throughput data to train a machine learning model, carrying out importance sorting on growth parameters influencing the conductive properties of the carbon nanotubes, and providing guidance for controllable preparation of high-purity semiconductor single-walled carbon nanotubes.

The invention provides an electrical circuit modeling method, a simulation test system and a simulation terminal. The method comprises the following steps: enabling the on-state of a nonlinear switching device in an electrical circuit to be equivalent to equivalent inductance, and enabling the off-state of the nonlinear switching device to be equivalent to equivalent capacitance; building a capacitor and a capacitor discrete model in an electrical circuit according to the equivalent capacitor; building an inductance discrete model according to the equivalent inductance and inductance in the electrical circuit; processing according to the capacitance discrete model and the inductance discrete model to obtain an equivalent model; and processing the equivalent model by using a node analysis method to obtain an electrical circuit multiplication model. According to the electrical circuit modeling method, the simulation test system and the simulation terminal provided by the invention, the electrical circuit real-time transient simulation test system can be built, a more efficient test scheme is provided for an electrical circuit control technology, the experimental research and verification time of the electrical circuit control technology is effectively reduced, the development cost is saved, and the development period is shortened.

A method is proposed for improving the layout efficiency in laying out electronic components, which is applicable to information processing equipment, to accelerate the layout of electronic components. First, a first two-dimensional plan view including various electronic component members is preset using a drafting software platform. Subsequently, the two-dimensional plan view is converted to a text file and all the relevant data of the electronic components contained in the two-dimensional plan view are encoded in the text file. Then, all of the electronic component members contained in the first two-dimensional plan view are displayed in a second two-dimensional plan view, and a function selection menu is generated by an arithmetic process. Therewith, a user is able to select the data of the electronic component contained in the text file via the function selection menu to perform the layout operations for a printed circuit board.

The invention discloses a method for organizing and managing radar signal files, and belongs to the field of radar signal management method research. The method comprises the following steps: acquiring a digital radar echo signal of a radar field work station to an acquisition processor; adding a file header to a radar original signal file according to a working parameter of a radar work field; generating radar signal files, storing the radar signal files in a file management server in a mobile transmission mode, establishing a database according to a geographic environment type, inquiring thedatabase in a single-condition and multi-condition inquiry mode, displaying inquired files on a client in a radar video image mode and a user-defined azimuth waveform mode, and then intercepting thefiles, transferring the files and transmitting the files. The method provides an actual measurement data source for researchers in the aspects of radar signal processing, target detection and tracking, clutter suppression, radar signal comprehensive display processing and the like, so that the research result is more scientific and accurate.