69results about How to "Long development cycle" patented technology

The invention discloses a method for designing and optimizing cast-rolling process parameters of copper alloy tubing, using database as design basic, using nerve network as design method of process parameters and indexes, and using genetic algorithm as process parameter optimizing means, integrating nerve network, genetic algorithm, finite element simulation, experiment design, CAD parameterized design and database technique into the process design and parameter optimization, designing and optimizing the cast-rolling process parameters of the copper alloy tubing. And the invention has high automation degree, and can be applied to machining deformation of copper alloy tubing, and make personnel short of special knowledge able to make accurate and standard machining process.

The system for replication, integration, consolidation and mobilisation of data according to the present invention provides a flexible framework of functionally autonomous and distributable modules with the main advantage of scalability, to simplify data integration, produce an integration structure that can accommodate backend structural changes and can cope with highly distributed data sources. Also, it creates a framework for delivering highly accessible, secure data to a mobile environment with minimal transfer loads during sending and receiving and secure data on the mobile client devices. Added to this, making use of modern mobile connection types for delivering push content from and / or to a wide spectrum of devices.

The invention provides a statement generation method, which comprises the following steps that: obtaining a target statement element, wherein the target statement element is generated in a way that the statement element used for displaying real-time data is customized in a statement generation template, and the statement generation template can customize a development statement; on the basis of the target statement element, obtaining real-time data to be displayed; and injecting the obtained real-time data to be displayed into the target statement element so as to generate a target statement used for displaying the real-time data to be displayed. The invention also provides a statement generation system, a computer readable medium and a computer system.

The invention discloses an in-the-loop simulation test system for an electronic parking brake system, which comprises a computer, a data acquisition card, a high-speed CAN card, a hardware interface circuit, a pressure sensor, an electronic parking brake system controller and an electronic parking brake actuating mechanism. Various kinds of information are input by the computer, test software simulates actual automotive parameters according to the input parameters, the information is sent to the electronic parking system controller through the high-speed CAN card and the data acquisition card, the electronic parking brake system controller controls the actions of the actuating mechanism, an indicator lamp and an alarm and feeds the actions back to the computer through an actuating mechanism test system and the data acquisition card, and thus, a closed-loop test system is formed. The in-the-loop simulation test system for the electronic parking brake system has the advantages that: the analog simulation efficiency is high; the adjustment period of the EPB operation environment is short, simple and low in cost; the program parameters can be changed at any time according to the different vehicle models; and the application range is wide; and the development cycle is short and the unnecessary resource waste is reduced.

The invention relates to a CFD (computational fluid dynamics) based method for computing equivalent length of a valve. The method includes the steps: establishing a three-dimensional assembly model of the valve, after an extension section is added to an entry and exit position of the valve model, importing the model into CFD software, working out pressure values of multiple working conditions by analog calculation of the CFD software and computing corresponding pressure differences; according to the pressure differences, respectively computing multiple flow coefficient values through a formula, and then computing an average flow coefficient value; computing an equivalent length value of the valve through a formula. Flow performance data of the valve are obtained by the aid of CFD technological analogue simulation, only drawings are needed to be used for completion in a virtual prototype phase in the initial stage of development, and the situations that manpower and material resources are wasted and development cycle is prolonged due to the fact that the valve must be manufactured and subjected to test measurement in order to detect flow performance of the valve in the prior art are avoided, so that development efficiency is greatly improved and cost is saved by the method.

The invention relates to the technical field of tunable modules and provides a wavelength-tunable module. The wavelength-tunable module comprises a housing 1, an ROSA, a TOSA, a PCB motherboard 4 anda PCB daughter board 5, wherein the PCB motherboard 4 is provided with a microcontroller, an APD boost circuit, a laser driver, a gold finger, a laser current chip and a power supply chip; double-armdifferential modulation is adopted by the laser current chip; an interface is arranged on the PCB motherboard 4 and is connected with data and power supply ports of the ROSA and the TOSA; and the PCBdaughter board 5 comprises a TEC drive circuit and a voltage conversion chip. The miniaturized packaging requirements of the module are achieved through adopting the design of a double-layer circuit board and optimizing the layout mode, thereby avoiding high development cost and a relatively long development cycle caused by special development of an ASIC chip.

Disclosed in the invention is a planetary gear deceleration integrated motor comprising a housing part, a motor part, and a planetary gear deceleration part. The housing part consists of a motor shell, a main beam plate, and a reduction gearbox shell. The motor part installed in a cavity encircled by the motor shell and the main beam plate by a bearing contains a rotor shaft, a motor rotor, and a motor stator. The planetary gear deceleration installed in a cavity encircled by the reduction gearbox shell and the main beam plate by a bearing includes a sun wheel, a planet wheel, a planet carrier, an overturning clutch, and a power output shaft; the rotator shaft extends into the reduction gearbox shell to drive the sun wheel to make rotation; the sun wheel drives the planet wheel to rotate; the planet wheel drive the planet carrier to make rotation; the overturning clutch sleeves the power output shaft; the planet carrier drives the power output shaft to make rotation by the overturning clutch; and an annular gear arranged in the reduction gearbox shell is engaged with the planet wheel. The motor has advantages of small size, light weight, simple structure, high transmission efficiency, and low manufacturing cost.

The method comprises: unifying the driving interface of NIM chip, the NIM structure and the frequency-point information structure; identifying the NIM module driver, and load NIM module driver. The invention can be compatible with different type and different model network interface module, and can change the network interface by using plug-in and plug-out after power-off.

The invention discloses a low-pressure natural gas recovering system for an offshore gas field. In the low-pressure natural gas recovering system for the offshore gas field, a gas phase outlet of a high-pressure oil-gas-water separator is communicated with a dry gas compressor, an oil phase outlet of the high-pressure oil-gas-water separator is communicated with a low-pressure oil-gas-water separator, a gas phase outlet of the low-pressure oil-gas-water separator is respectively communicated with a fuel system and a wet gas compressor, and an oil phase outlet of the low-pressure oil-gas-water separator is communicated with a condensate oil buffer tank; a material flow from a low-pressure well mouth of the gas field at sea is input into the low-pressure oil-gas-water separator or the condensate oil buffer tank; the gas phase outlet of the condensate oil buffer tank is sequentially communicated with a low-pressure gas cooler, a low-pressure gas hydrocyclone, a low-pressure gas booster compressor and a low-pressure gas aftercooler. The low-pressure natural gas recovering system for the offshore gas field is mainly used for recovering and using natural gas, which is low in pressure or micro in positive pressure or small in flow quantity, in the gas filed at sea, so that the emptying quantity of the gas field is reduced, and energy conservation and emission reduction are achieved.

The invention discloses a DSP based power quality testing system. The system comprises a voltage transformer, a current transformer, a signal conditioning circuit and a DSP minimum system which are connected to a power grid, wherein the voltage transformer and the current transformer are connected with the signal conditioning circuit, an A / D sampling circuit and a frequency capturing circuit are connected between the signal conditioning circuit and the DSP minimum system, the DSP minimum system is connected to a CPLD (complex programmable logic device) internal logic circuit, the CPLD internal logic circuit is connected to an LCD (liquid crystal display), a real-time clock, a GPRS module and an RS232 / 485 interface. The DSP based power quality testing system is more reasonable in hardware structure design and only uses a single CPU, and most of logic circuits at the periphery are realized inside a CPLD, thereby greatly reducing the hardware structure of the system. In addition, software design and development are enabled to be simplified by adopting the hardware structure of the system.

The invention provides a multi-kernel digital signal processing (DSP) circuit which comprises a plurality of DSP kernels, a system bus, a memory, a high speed interface, an interrupt controller and monitoring circuits, wherein the monitoring circuits are respectively corresponding to the DSP kernels and used for monitoring the running states of the DSP kernels; and when the running of one DSP kernel has errors, the monitoring circuit corresponding the DSP kernel having errors produces an interrupt signal, so that all error context information of the DSP kernel is reported to an upper computerby the high speed interface. The invention also provides a method for processing errors in the multi-kernel DSP circuit. By using the device and method provided by the invention, the hardware system is simplified, more error context information caused when the system has errors can be obtained, and the success ratio for reporting the context information by the system is improved.

The invention discloses a technique optimization method of a cage roll forming machine set of a longitudinal welded pipe, belonging to the technical field of mechanical forming, wherein forming technique parameters are obtained by coordinate transformation and iterative process; the invention aims at solving the problem that the current welded pipe manufacturing enterprises basically rely on experience and a cut and try method to obtain the forming technique parameters of cage roll forming machine sets of welded pipes; and the technique optimization method disclosed by the invention has the advantages of providing a better theoretical reference for design methods of cage roll forming technique parameters, shortening the development periods of products with new specifications, decreasing raw material waste and reducing the production cost of longitudinal welded pipes.

A control system is dynamically built directly on a target hardware system. A host application on a host computer provides an interface to download configuration building blocks for the control system directly onto the target hardware. The host application is used to define building block type and connectivity. Microprocessor execution control of the system as well as block priority can likewise by defined by the host application.

The invention provides an electrothermal film with a PTC (positive temperature coefficient) effect and a preparation method thereof. The electrothermal film comprises a conductive filler, a support material and a third component; the conductive filler is filled in the third component, and the thermal expansion coefficient of the third component is larger than the thermal expansion coefficient of the support material. According to the film and the method in the invention, the third component is adjusted and combined, and the electrothermal film with the PTC effect of different temperatures is designed in the electrothermal film of the same support material, so that the problems that exist in the prior art due to the fact that volume thermal expansion is provided by means of a high-molecularsupport material are effectively solved, the product development process is shortened, and the development cost is reduced.

The invention provides an interface development method and device. The method comprises the following steps: adopting a browser engine with C++ encapsulating an open source and obtaining an interfaceengine core module; using the interface engine core module to independently generate page rendering and script running in a graphical user interface process; storing the page rendering and script running in the page engine process; encapsulating the interface engine core module to obtain an interface engine tool control; carrying out page rendering and scrip running in the page engine process, andperforming asynchronous communication on the page engine process and the interface engine tool control so as to obtain an interface separate from the business logic. The method uses page rendering and script running to carry out the front-end technology development interface; C++ develops the business logic; the interface is completely separated from the business logic; the page rendering and script running have a large number of free open source components, which greatly improves the interface development efficiency and alleviates the problems of long development cycle for interface development, difficulty for separating the interface and the business logic and difficulty for maintenance in the later stage in the existing method.

The invention discloses a vehicle path tracking prediction controller and an FPGA heterogeneous acceleration implementation method, and belongs to the technical field of control. Vehicle system characteristics are learned by using a support vector machine, then a vehicle support vector machine model is established, the control for vehicle path tracking is realized based on model prediction control, and finally an FPGA heterogeneous acceleration method is carried out on the controller. Support vector machine model training is carried out on three selected vehicle state quantities respectively,each model training sample contains six inputs and one output, and the vehicle path tracking prediction controller is designed. A controlled design oriented vehicle model which is simple in structureand contains all information of a vehicle system can be obtained effectively, so that the controller meets all working condition requirements of the system; moreover, the computation speed of the vehicle path tracking prediction controller is improved, and the real-time requirement and low-cost computation and storage requirements of the system are met; and moreover, a control algorithm is convenient to transplant between software and hardware, so that the difficulty of system development is reduced greatly.

The invention discloses application of an epidermal growth factor receptor blocking agent to preparation of a medicine for treating osteoarthritis. The epidermal growth factor receptor blocking agent is gefitinib or erlotinib. Gefitinib / chitosan microspheres are favorable in dispersion and smooth in surface, has the drug slow-release performance and mouse articular cavity biocompatibility, can effectively relieve mouse osteoarthritis, promotes the expression of mouse osteoarthritis knee joint collagen II and inhibits the expression of MMP-13; besides, gefitinib is a clinical medicine, is widely used for treating the non-small cell lung cancer, and obtains excellent clinical curative effects, so that the extremely high economic cost and the long research and development period, which are required for medicine research and development, are reduced and shortened respectively; and owing to the dosing way of sustained-release medicine delivery, the local medicine concentration can be improved while corresponding side effects caused by whole-body medicine application are reduced, and a clinical application prospect is achieved.

The invention discloses an Acaricide compound that can prevent a plurality of pests like red spider, etc., in citrus trees and is provided with an effective component of bifenthrin, and the application for the bifenthrin. Component A is bifenthrin, while component B comprises any one of azocyclotin or chlorfenapyr. The weight percentage between A and B in the compound is 1 to 20 : 80 to 1, with the rest being excipient. The advantage lies in that the available component combines with the effect lasting component, which results in obvious synergism action and is characterized by high effect, low pollution, low residue and hard to produce resistance even with long period usage, etc., while being used for controlling the common evil acarines in fruit trees like red spider, white spider, cotton spider, rust spider, tea leafhopper etc., commonly occurring in fruit trees, cotton and tea. From the embodiments 4, 5 and 6, results can be reached that: the control effect on red spiders of the azocyclotin and chlorfenapyr re-preparation is two times higher than that of a single agent of azocyclotin or chlorfenapyr.

The invention discloses a PID controller parameter selection method based on a random algorithm, belongs to the technical field of controllers, and aims to provide the PID controller parameter selection method, based on a random algorithm, for simplifying a PID controller parameter selection problem. The method comprises the steps of selecting random number dimensionality, selecting cycle number and selecting controller result. Mainly aiming at a PID controller parameter selection problem, the invention designs and develops the parameter selection method based on a random algorithm. The method comprises the steps of firstly determining the quantity of parameters to be selected, and generating corresponding quantity of parameters through a random algorithm; then applying the randomly produced parameters to a controller, and performing circulating experiment; finally, judging control results according to a selected judgment standard, and selecting a range meeting the judgment standard for each parameter. The method is simple in operation flow, flexible to operate, greatly improves the operating efficiency, shortens the controller development period, and has universal applicability.

The invention discloses a superconductive cavity tuning control system and method based on a PLC and a touch screen. The system comprises a PLC substrate. A PLC power module, a CPU module, a position control module, a first simulation input module, a second simulation input module, a simulation output module and a TTL input module are arranged on the PLC substrate. An incident power radio frequency signal lead out end of a superconductive cavity and a radio frequency signal lead out end coupled in the superconductive cavity are connected with two input ends of a phase discriminator. The output end of the phase discriminator is connected with the first simulation input module and the input end of the TTL input module. The second simulation input module and the output end of a displacement sensor are connected with a simulation voltage input end of a piezoelectric ceramic high-voltage power supply. The position control module is connected with a pulse input end of the stepper motor driver. The simulation output module is connected with a simulation input end of the piezoelectric ceramic high-voltage power supply. The CPU module is connected with the touch screen unit. According to the invention, frequency of the superconductive cavity can be automatically searched, captured and locked.

The embodiment of the invention provides a telemetry data resolving method and device, electronic equipment and a computer storage medium, and relates to the field of carrier rocket data processing. The method comprises the following steps: when telemetry data of a rocket is acquired, acquiring corresponding first resolving description information based on a first parameter code in the telemetry data; verifying a first resolving formula in the first resolving description information and first parameter data in the telemetry data; when the first resolving formula and the first parameter data pass the inspection, resolving the first parameter data by adopting the first resolving formula to obtain a first resolving result; and when the first resolving description information comprises the standard data comparison table, interpolating the first resolving result based on the standard data comparison table to obtain a second resolving result. According to the embodiment of the invention, the configuration efficiency, the debugging efficiency and the development efficiency of the resolving process are improved, and the stability, the reusability and the reliability are higher.

The invention relates to the technical field of data processing, and particularly to an agile development management system based on a SpringBoot framework. On the basis of a SpringBoot framework, thedefects of real-time data processing and data security of an existing agile development platform are overcome, and the problems that an existing server needs to additionally deploy Tomcat and is complex in configuration, so that agile development is low in efficiency, high in cost and long in development period are solved; and compared with the prior art, more efficient, lower-cost and safer dataprocessing is realized, the traditional work of deploying Tomcat to a server and environment configuration is simplified, the real-time performance of agile development platform team progress information and personnel management information is greatly improved, the cost is reduced, meanwhile, the data security is guaranteed, and the team development efficiency is improved.

The invention relates to an astragaloside loaded polycaprolactone membrane and a preparation method and applications thereof. The provided astragaloside loaded polycaprolactone membrane can sustained-release drugs, is bio-compatible with spinal cord tissues of rats, can promote the recovery of motor function of damaged spinal cords of rats, inhibits the disintegration of blood-spinal cord barriersof rats, reduces the expression of MMP-9, and prevents the secretion of inflammatory cells. Furthermore, astragaloside can be used in clinic to treat chronic diseases related with kidney; the cost and time for drug development are both reduced; the sustained-release function can increase the local drug concentration, at the same time, the side effect generated by systemic administration is reduced, and the membrane has a clinical application prospect.

The invention discloses a system for predicting drug target affinity based on a graph convolutional neural network, and belongs to the technical field of drug relocation. The system comprises three channels which are used for respectively extracting a feature vector of two-dimensional representation of a drug, a feature vector of a context association relationship of a drug SMILES expression and a feature vector of a context association relationship of a protein sequence, then splicing the three feature vectors together, and inputting the spliced three feature vectors into a full-connection neural network, and obtaining a predicted value of the drug target affinity. The input of the model is the two-dimensional representation of the drug, the SMILES expression of the drug and the protein sequence, and finally obtaining the affinity prediction value of the drug and the target.

The invention provides a universal output method for the digital quantity of a simulation platform. According to the method, firstly, the description of initialize settings is defined, wherein the initialize settings are composed of the sending mode, the pulse width, the pulse number, the level state, the signal triggering delay time and external signal synchronous setting parameters. After that,whether a sent enabling or synchronizing signal is valid or not is judged. A corresponding high-low level output, a positive and negative single pulse output, a limited number of pulse output and a continuous pulse output are generated according to the parameter configuration information after the corresponding time delay time is waited. According to the invention, the unified description of digital quantity output signals is achieved. The defect that a traditional digital quantity output method is poor in universality, long in development period and high in cost can be overcome. The method has the advantages of normative performance, high reusability, short development period and low cost.

The invention provides a germicide. The germicide contains the following ingredients in percentage by mass: 25% of ingredient A, 7.79% of ingredient B and the balance of water, wherein the ingredient A contains difenoconazole and kresoxim-methyl; the ingredient B contains a dispersant, a defoamer, an antiseptic, an antifreezer and a thickener. Through the reasonable proportioning ratio and synergistic effect of all the ingredients, the germicide has the characteristics that prevention and treatment effects are good, the suitable dosing period is long, the dosage is low, the harm caused by the germicide is lowered, the drug tolerance and drug resistance of germs are delayed, the cost of investment is low, the cycle of research and development is short, the economic value is high, and the like. The invention further discloses application of the germicide in prevention and treatment of cucumber powdery mildew.

The invention provides an establishment method for a definite reliability degradation equation of an aerospace mechanism product. The method comprises the steps of building a corresponding margin equation according to key performance parameters of the product, and analyzing a fault mode and mechanism; judging whether the relationship between the output result of a fault physical model and the performance parameters is an abrupt change type or a continuous type, if the relationship is the abrupt change type, judging whether the fault physical model is a vibration fatigue fault physical model or a thermal fatigue fault physical model, if the fault physical model is a vibration fatigue fault physical model, establishing a first degradation equation, and otherwise, establishing a second degradation equation; if the fault physical model is a continuous type, judging whether the fault physical model is a wear fault physical model or a thermal deformation fault physical model, if the fault physical model is a wear fault physical model, establishing a third degradation equation, and otherwise, establishing a fourth degradation equation; and substituting the degradation equation into the margin equation, if the result is positive, indicating that the product is reliable. According to the invention, the reliability of the aerospace mechanism product is researched by using a definite reliability theory, the reliability evaluation of the aerospace mechanism product can be effectively solved, and the development period is shortened.