107results about How to "Shorten the development cycle" patented technology

The invention discloses an on-line upgrade method for embedded system firmware. A non-volatile memory is divided into two areas, the subareas to which a bootloader and a tiny_os belonging are protected, and an upgrade script is operated under the tiny_os to realize upgrading; the corresponding download request is provided by busybox of an open source; the support to a file system, a tcp/ip protocol stack and the like is provided by the tiny_os; the corresponding download request adopts dynamic linking technology and is shared with system software; different parameters are transmitted to a kernel through the bootloader, so as to tell upgrade operation from normal operation; and the entire upgrade system is only required to enlarge a storage space of about 400K, a plurality of download protocols and file systems can be supported. The invention further provides a spare upgrade method, so that when the subarea of the system software is damaged accidentally, the system upgrading also can be carried out, and the reliability and the safety of upgrading are ensured.

The invention relates to a delamination propagation behavior simulation method of a composite material multidirectional laminated plate on the basis of a cohesion model. The method includes the following steps that (1) a geometric model is built according to structural parameters of a composite material multidirectional laminated plate test piece, (2) key parameters capable of reflecting interfacial behaviors are calculated, and material attributes are respectively set, (3) meshing is carried out on the geometric model of the composite material multidirectional laminated plate test piece, a module is assembled, and a three-dimensional finite element model is built, (4) a load and boundary conditions of the finite element model are determined according to practical situations and the load state of a composite material structure, (5) the finite element model based on the cohesion model is calculated and analyzed, a load displacement curve of a loading point is extracted, delamination propagation behaviors of the composite material multidirectional laminated plate are simulated to obtain the largest load value of the load displacement curve, and damage behaviors of the multidirectional laminated plate are predicted.

The invention discloses a method for realizing web crawler tasks. The method comprises the following steps: 1, initializing a link address of a webpage to be crawled to a client; 2, packaging the link address of the webpage to be crawled to a task request to a server by the client; 3, sending an HTTP request by the server to the page to be crawled and returning the information required to the client; 4, receiving the information and processing the information by the client; and 5, repeating the process and completing the webpage crawling in a crawling list sequentially. The invention provides a universal crawling frame for crawling different network contents. Through adopting the method, crawlers for crawling a special network can be quickly compiled. According to the method, the development difficulty of developers is greatly reduced, and the development period is shortened. As the method is established based on the distributed network crawler frame, the network crawling speed can be further guaranteed. The method provided by the invention can be used to medical information systems.

The invention discloses a hardware in the loop experiment system used for a wind power generator master control system test and a method thereof. The system comprises: an upper computer and a lower computer which are connected through RS-232 and RS-485. The upper computer and the lower computer are connected with a wind turbine generator master control device respectively through the RS-485, Ethernet and a CAN bus so as to realize one-to-one connection communication with an input point and an output point of the wind turbine generator master control device to be measured. An output signal of the wind turbine generator master control device is fed back to the lower computer through an execution and load simulation module. The upper computer undertakes construction and parameter setting of a wind power generator simulation system, realizes parameter selection by means of a graphical interface and a simulation data storage and read function. Simultaneously, a communication interface program is compiled. In the invention, an exploitation period is short. A lossless and safe extreme test and a destructive test are possessed. Exploitation costs are reduced. Operation security, reliability and the like of the master control system can be improved.

The invention discloses a method of providing service in a client and the client and belongs to the technical field of client development. The method includes the steps of, in the process, loading page files and a rendering engine which resolves the page files; then generating an interface of the client and obtaining a script object; a script engine of the rendering engine calling serviced components according to the script object and providing corresponding services in the interface of the client. The client consists of a load module and a rendering engine. The method of providing service in a client achieves the combination of the web technology and the rendering engine, substantially shortens the development period of clients and lowers the difficulty. Further any operation system can use the method; therefore, the practical applicability is strong.

The invention discloses a system and method for rapidly forming a water-soluble core and belongs to the technical field of material forming. The system for rapidly forming the water-soluble core comprises a box body, a microdroplet spraying device, a mixing device, a spreading device, a movable heating device, a space heating device, a powder heating device, a liquid distribution bin, a controller, a work cavity, a lifting working platform and a temperature measurement probe. The method for rapidly forming the water-soluble core comprises the steps that firstly, a core CAD geometric solid model is established firstly, liquid dropping process of all dispersed layers is completed by the microdroplet spraying device according to the operation track, extracted by a computer, of a liquid dropping device, and then the water-soluble core is manufactured. The system and method are particularly suitable for rapidly forming and manufacturing the core with a water-soluble inorganic salt solution as an adhesion agent. By the adoption of the system and method, the water-soluble cores which are in any complicated shapes can be directly manufactured; due to the fact that a core mould does not need to be manufactured according to the method, manufacturing cost is reduced, and a product development period is shortened.

The invention discloses a front anti-collision beam assembly lightweight designing method based on an independent assessment working condition and solves the problems that influence of various collision working conditions on performance of a front anti-collision beam assembly is considered insufficiently and verifying of the performance is only conducted in a whole vehicle at the stage of structural improving and lightweight designing of the front anti-collision beam assembly. The method includes steps: 1), selecting various collision working conditions: selecting collision working conditions various in form and capable of comprehensively reflecting anti-collision performance of the front anti-collision beam assembly; 2), determining a lightweight design performance target of the front anti-collision beam assembly: determining a performance target of the front anti-collision beam assembly on the basis of the anti-collision performance of the whole vehicle in each collision working condition; 3), establishing the independent assessment working condition of the front anti-collision beam assembly and verifying effectiveness of the same: establishing the independent assessment working condition of the front anti-collision beam assembly, and verifying the effectiveness of the independent working condition; 4), performing lightweight designing on the front anti-collision beam assembly on the basis of the independent assessment working condition: using the determined performance target of the front anti-collision beam assembly as a constraint condition and the independent assessment working condition as a carrier to perform lightweight designing on the front anti-collision beam assembly.

The invention discloses a method and a device for generating calling codes by calling application programming interfaces. The method includes the steps: presetting a capacity guide component box control interface consisting of the APIs (application programming interfaces), and setting a service address for each capacity guide component control; receiving triggering information of the capacity guide component controls, and resolving and displaying service APIs included in the capacity guide component controls from the service addresses according to the set service addresses corresponding to the capacity guide component controls; receiving triggering information set by the service APIs, acquiring service information corresponding to the service APIs from the service addresses, generating and displaying corresponding service API guide setting interfaces according to the service information, and sequentially setting service information parameters in the displayed service API guide setting interfaces; and confirming completion of setting the service information parameters, and generating the service API calling codes according to the set service information. By the aid of the method and the device, value added service application development cycle can be shortened, and development efficiency is improved.

The invention discloses an adjustable shock absorber and a system and method for designing the shock absorber. The adjustable shock absorber comprises a fixing rod, an upper fixing board, a lower fixing board and a rigidity-adjustable shock absorption piece. The rigidity-adjustable shock absorption piece is arranged between the upper fixing board and the lower fixing board. The fixing rod penetrates through the upper fixing board, the rigidity-adjustable shock absorption piece and the lower fixing board. Thus, the design of the shock absorber can be simplified, the development period is shortened, and design cost is reduced.

The embodiment of the invention discloses an applet page display method and device, a terminal and a storage medium. According to the embodiment of the invention, the method comprises the steps: creating a component floating layer in a current page, wherein the current page is the page displayed by the applet at the current moment; displaying page thumbnail information of a historical browsing page in the component floating layer, wherein the historical browsing page is a page displayed by the applet at a historical moment; when a page selection operation for the page thumbnail information isdetected, determining a to-be-returned page in historical browsed pages according to the page selection operation; skipping from the current page to the page to be returned. The embodiment of the invention can be used for skipping the history browsing page of the applet; according to the method, the component floating layer containing the thumbnail information of the historical browsed page can beprovided for the current page of the applet, a user can select the page browsed at the historical moment through the component floating layer and then return to the page, and therefore the efficiencyof the applet page display method can be improved.

The invention provides a ship electric system failure recovery method based on a multi-agent technology. A ship comprehensive electric system failure recovery algorithm is designed through a figure track analysis and multi-agent technology. A figure track analysis method is used for establishing a ship comprehensive electric system figure model, each side in the figure model corresponds to a component in a physical electric system, each main component has an agent of the main component, and component tracks are used for managing an electric system figure model topological structure and traversing other component agents. On the basis, the method uses the functions of information exchanging, interaction effect, cooperation, coordination work and communication of the agents as a foundation, and a ship electric system failure recovery task is completed in a coordination mode. The method can process the multi-priority failure recovery problem of an electric system with a loop and a load of the electric system, and under the premise that power supply recovery is carried out on a high-priority component preferentially, power supply recovery is carried out on outage components as many as possible.

The invention provides an engine plateau heat balance performance simulation test method. The test environment conditions of an engine at the altitude of 0-5500m can be simulated, change of engine coolant temperature and flow is respectively controlled by a coolant temperature and flow control method, and engine heat balance performance testing under different altitudes and different working conditions is performed and the optimal coolant temperature MAP and the optimal coolant flow MAP of the engine under different altitudes and different working conditions are acquired. The coolant temperature control range is 50-120 DEG C and fluctuation is less than +/-0.5 DEG C; and the flow control range is 0-400L/min and fluctuation is less than +/-1%. According to the method, engine coolant temperature and flow can be accurately adjusted in real time according to the test requirements so that adjusting precision is high, adjusting range is wide, and waste of large amount of time for achieving a test temperature point in the heat balance test can be avoided. Meanwhile, a platform and the method are provided to acquisition of the engine coolant optimal temperature and flow MAP under the condition of high altitude.

A method for implementing a visualization script editor is provided. The method comprises following steps: A. creating flow nodes and building graphical identifications corresponding to the flow nodes; B. connecting the flow nodes into a visualization script and executing the flow; C. performing serial storage on the visualization script data. The invention also discloses a design system corresponding to the visualization script editor. The method and system of the invention facilitate planning personnel and artists to take part in game development so that they can better share out the work and cooperate with one another; the flow is optimized; the development period is shortened; specific requirements of visual understanding of games are facilitated; reusability and scalability of codes are enhanced.

The invention belongs to the field of dynamic simulation analytical methods and discloses a dynamic simulation analytical method for a locking device of a rail traffic vehicle door system, which mainly includes the following steps: (1) performing three-dimensional modeling on parts of the locking device in Solid Works software environment, and switching a three-dimensional model into a neutral format file capable of being guided into automatic dynamic analysis of mechanical system (ADAMS) software; (2) guiding the neutral file into the ADAMS software to generate an ADAMS multi-body dynamic simulation model of the locking device; (3) performing preprocessing setting on the simulation model, setting material properties, joint, load and driving, and performing simulation calculation; (4) setting up an experimental test platform and performing experiment tests; (5) comparing simulation results with experiment results; and (6) performing locking device dynamic characteristics simulation analysis with different parameters and under different working conditions. The dynamic simulation analytical method builds a virtual prototype for the locking device of the door system, performs optimal design for the locking device, reduces development cost and shortens development period.

The invention discloses a steel rail rolling method capable of shortening the development cycle of a new species. The method comprises a rolling process of a BD area and a rolling process of a universal area. The last hole pattern of the BD area is a pilot hole, and the first hole pattern of the universal area is a universal coarse rolling hole. For steel rails in a specification of 43-75kg/m, the following parameter range of the same BD area for rolling the steel rails is applied: the rail bottom width difference delta D is smaller than or equal to 15mm, the waist thickness difference delta E is smaller than or equal to 5mm, and the rail height difference delta C is smaller than or equal to 25mm. The hole pattern transition from the pilot hole to the universal coarse rolling hole meets the following requirements: the abdominal cavity widening width L is -3-+5mm; the radius difference delta R of a leg and waist connecting arc and a head and waist connecting arc is smaller than or equal to 10mm; for a leg-inside single-inclination steel rail, the difference of the leg-inside inclination of the pilot hole and the leg-inside inclination of the universal coarse rolling hole is 5-8 degrees; and for a leg-inside double-inclination steel rail, the difference of the leg-inside inclination of the pilot hole and the leg-inside inclination of the universal coarse rolling hole is 3-6 degrees. The development cycle of products can be greatly shortened, the development time of a new product can be shortened by about 2/3, and the development success ratio can be improved by one time, thus the method can be applied to the steel rails of a specification of 43-75kg/m.

The invention relates to a method for virtualization of a traditional device. The method comprises the following steps that: (1) the outside of the traditional device is transformed in a networked mode; (2) the networked traditional device is accessed to a home gateway, and device functions of different communication areas are translated to device services which are packaged as an application program interface (API); (3) the device service API is issued outwards in a Web Service mode. The method has the advantages that the traditional device functions can be conveniently translated to corresponding services, the method is suitable for various models and manufacturer devices, the scheme has high portability, and the concrete realization is not limited to an operating system (OS) and a programming language. Software and hardware assembly multiplexing enables a development period to be reduced, debugging difficulty is lowered, and following repair and upgrade complexity is reduced.

The invention discloses a multifunctional testing platform for an automobile suspension system and a testing method thereof. The testing platform comprises a suspension testing rack and a measuring and control system. The suspension testing rack comprises a rack body, an electric cylinder and a spring load quality simulation module connected with the rack body, an actuator excitation head connected with the top of the electric cylinder, a tray connected with the actuator excitation head, a wheel rigidity module fixedly connected with the tray, a spring lower quality simulation module connectedwith the wheel rigidity module, a stepping motor connected with the upper portion of the spring lower quality simulation module and an air source supply system. The measuring and control system comprises various sensors, a data acquisition card, a target machine, a suspension control developing board and a host machine; the testing method comprises the step of testing the suspension performancesof various vehicle models under various working conditions through a spiral spring for adjusting the rigidity of simulated tires, the spring load quality simulation module and the spring lower qualitysimulation module; the testing platform has the advantages of shortening the development period, lowering the developing cost and being recycled.

The invention relates to a composite material laminate I-type delamination simulation method based on cohesive element superposition, comprising the following steps: (1) utilizing finite element software ABAQUS to establish three-dimensional finite element models of upper arm 1 and lower arm 2 of a double-cantilever beam (hereinafter referred to as DCB) test piece of the composite material laminate; (2) at the interface between the three-dimensional finite element models of the upper arm 1 and the lower arm 2 of the DCB test piece, establishing two layers of cohesive elements, wherein one layer of cohesive elements is provided with a linear cohesive force constitutive model, and the other layer of cohesive elements is provided with an exponential cohesive force constitutive model; (3) according to the load state of the actual DCB test, the corresponding load and constraint conditions are set for the three-dimensional finite element model; (4) carrying out the numerical simulation of I-delamination behavior in composite laminates by using the finite element software ABAQUS, and obtaining the load-displacement curve in the process of simulation test is obtained. The method of the invention can accurately predict the I-type delamination expansion resistance behavior of the composite multidirectional laminates without self-defining cohesive constitutive relation, is convenient, fast, suitable for engineering application, and can effectively guide the design and analysis of the composite structure. The invention is characterized in that the method of the invention can accuratelypredict the I-type delamination expansion resistance behavior of the composite multidirectional laminates.

The invention belongs to the technical field of direct forging forming of a powder high-temperature alloy component, and relates to the improvement of a preparation process for the powder high-temperature alloy component. The improvement of the preparation process for the powder high-temperature alloy component is implemented by the following steps: preparing a suitable powder ingot blank; designing a reasonable direct forging forming mould for powder; selecting forging process parameters. According to the technology, a sheath is filled with the powder, and the powder is forged and formed directly, so that a powder high-temperature alloy forging blank which has dense tissues and uniform and fine crystal grains can be obtained; the process flow is simplified; the research period is shortened; the component manufacturing cost is reduced.

The invention provides a method and a system for dynamically inserting a data mining algorithm into a data mining platform. The method includes: establishing the data mining platform comprising a basic function framework; establishing a data mining algorithm inserting vessel which is provided with a data mining algorithm inserting vessel interface reserved, and embedding the data mining algorithm inserting vessel into the data mining platform; setting rules of dynamic insertion for an algorithm unit, establishing an algorithm inserting unit used for selecting a new algorithm unit meeting preset requirements; guiding the new algorithm unit selected by the algorithm inserting unit to the data mining algorithm inserting vessel interface according to the rules of dynamic insertion for the algorithm unit. The data mining platform is simple and flexible to develop; after the data mining platform is developed, the new data mining algorithms can be dynamically inserted, and the data mining platform is higher in extensibility and compatibility.

The invention relates to a vehicle-ground interaction dynamic simulation system, which can effectively predict the comfort of a driver and the crew in the running process of a vehicle on a computer provided with MATLAB software and belongs to the technical field of the smoothness of vehicles. The invention firstly determines a proper vehicle working environment and a theoretical model, also determines the generation mode and the generation type of a road surface spectrum, then constructs a user figure interface and realizes the functions of parameter input and result output. The invention carries out simulation on any one computer installed with an edition above MATLAB 6.5 and does not need any other setting. Meanwhile, the invention can play an important role in vehicle research and development stages, can guide the development of a novel vehicle and the improvement of a traditional vehicle, shortens the development cycle of the vehicle and creates a value for an enterprise.

The invention discloses a device for verifying an advanced microcontroller bus interface. The device for verifying the advanced microcontroller bus interface comprises a parameter generating unit, a transmission unit, a drive unit, a detection unit and a functional coverage rate statistic unit. The parameter generating unit is used for generating a random transmission packet according to constraint conditions, wherein the transmission packet includes data, addresses, reading-writing types, burst length and other parameters. The transmission unit is used for generating different instructions according to the contents of the random transmission packet. The drive unit is used for converting the different instructions into interface signals and sending the interface signals to a verified object. The detection unit is used for monitoring behaviors of a bus of the verified object and checking the correctness of a bus protocol in real time. The functional coverage rate statistic unit is used for receiving the transmission packet sent by the transmission unit and/or the detection unit and performing coverage rate statistics to the behaviors of the bus according to the contents, including at least one of access type, address space, data space and burst type. The device is suitable for any system-level or module-level verification based on an advanced microcontroller bus architecture (AMBA) and can improve the design verification efficiency of a whole chip.

The invention discloses a testing device for an integrated circuit board. The testing device for the integrated circuit board comprises a first supporting piece, a sliding carrier board slidably connected to the first supporting piece, a to-be-tested product carrier board detachably installed on the sliding carrier board, a first driving assembly, a second driving assembly, a connecting piece connected to the second driving assembly, and a testing board detachably installed on the connecting piece, wherein the first driving assembly is configured to drive the sliding carrier board to move to atesting position, the testing board is provided with a testing probe, and the second driving assembly is configured to drive the connecting piece to move towards the to-be-tested product carrier board and make the testing probe make contact with a contact on the to-be-tested circuit board after the sliding carrier board moves to the testing position. The testing device solves the technical problem that a testing device for testing integrated circuit boards of different electronic products has no universality.

The invention provides a packaging label printing method and a packaging label printing system. The method comprises the following steps of building a packaging label configuration center, wherein the packaging label configuration center comprises packaging label templates and packaging label rule sets; setting a corresponding relation between a product type and the packaging label templates and between the product type and the packaging label rule sets in the packaging label configuration center; loading the corresponding packaging label rule set from the packaging label configuration center by virtue of the packaging label printing system according to the type of the product to generate a corresponding packaging label when the packaging label is printed, and calling the corresponding packaging label template to print the packaging label according to the type of the product. By adopting the packaging label printing method and system, the packaging label templates and the packaging label rules are separated from the system, so that the development cost for the packaging label printing system can be reduced, the workload of the development personnel can be reduced, the development period is shortened, and the goods delivery efficiency and quality of the packaged product can be guaranteed.

The invention provides a car internal light control method and system and a car. The method includes: acquiring the first signal of a first pin triggering a car internal lamp; judging the states of the light main power supply of the car internal lamp according to the first signal, wherein the states include a normally-on state, a to-be-turned-off state and an off state; acquiring the second signal of a second pin triggering the car internal lamp when the state of the light main power supply is normally on or to be turned off; controlling the light change modes of the car internal lamp according to the second signal; determining that the car internal lamp is off when the state of the light main power supply is off. The car internal light control method has the advantages that the light main power supply and the light change modes of the car internal lamp are sequentially controlled, the development cycle of a car internal light control system is shortened, and the car internal light control method is allowed to be simple and convenient.

The invention discloses a package structure for a composite sensor module. The package structure comprises a substrate, wherein the substrate is provided with a sensor chip installation area and other chip installation areas, wherein the sensor chip installation area is enclosed by a plurality of discrete devices; the other chip installation areas are located outside the sensor chip installation area; a sensor chip is arranged in the sensor chip installation area; and the sensor chip is a complex function sensor chip and/or a separate function sensor chip. The invention further discloses a manufacturing method of the composite sensor module. The substrate is adopted by package of the composite sensor module instead of a lead frame; a sensor chip installation space is formed by the discrete device; and the composite sensor module with the structure is small in volume, good in consistency, low in cost and suitable for small or medium batch production.

The invention discloses a method and a device for transmitting and receiving a wireless G3 analog facsimile business. The device comprises a universal interface module, a main processing module, a facsimile MODEM module, a user interface module and a storage module, wherein the facsimile MODEM module is adopted for converting facsimile data to be received and transmitted by a local G3 analog facsimile machine. The device provides the connection between the universal interface module and a wireless terminal, thereby realizing G3 analog facsimile business. By adopting the technical scheme of the invention, on one hand, no special requirement is needed for a platform of the wireless terminal, and the development period for the G3 facsimile function of a wireless product is largely shortened for a manufacturer of the wireless terminal; and on the other hand, the wireless terminal with a G3 analog facsimile function can be flexibly made for users, with lower technical threshold in realization.

The embodiment of the invention provides a method and device for function customization of a direct broadcasting room. The method comprises the steps that a customization server receives a configuration instruction triggered by a calling party, wherein the configuration instruction is corresponding to a direct broadcasting service scene in which the direct broadcasting room is located; after the customization server receives the configuration instruction, personalized customization will be conducted based on basic functional modules according to the configuration instruction and customized functional modules can be formed, so that development duration of the functional modules can be shortened and development efficiency can be increased; and when a direct broadcasting service scene is triggered outside, he customization server will respond to the triggering operation and load the customized functional module into the direct broadcasting room corresponding to the direct broadcasting service scene, so that basic functions corresponding to the customized functional modules can be displayed in the direct broadcasting room. On the basis, with regard to the direct broadcasting rooms located in the different direct broadcasting service scenes, the customization server will load the customized functional modules corresponding to the direct broadcasting service scenes, and thus display forms of the direct broadcasting rooms are enriched.

The embodiment of the invention discloses a three-electrode-based high-precision blood alcohol concentration test circuit. The optimal working potential of a three-electrode bio-enzyme sensor WE is determined through a control circuit according to a cyclic voltammetry, a current time I-T curve under the potential is determined, a corresponding blood alcohol concentration is determined according to the I-T curve, a bipolar scanning circuit is set to generate the potential and the potential is input to a potentiostat circuit, the potentiostat circuit is used for inputting a stable voltage signal to a position between three-electrode bio-enzyme sensors CE and RE, a micro current detection circuit is used for detecting micro currents which is generated on the three-electrode bio-enzyme sensor WE due to the presence of blood alcohol and inputting the micro currents to a control circuit, and the control circuit judges the blood alcohol concentration according to the I-T curve, wherein a core control chip is STM32F103VCT6. The test circuit disclosed by the invention can realize the on-site real-time fast detection on the blood alcohol concentration of drivers driving under the influence of alcohol, and has the advantages of high sensitivity, good real-time performance and the like.

The present invention provides a double CPU conservation information sharing system and information processing method based on double-port RAM, the characteristics of the sharing system is that the system includes two CPU system of system CPUA and CPUB, a double-port RAM chip, two CPU system, connecting to the ends of double-port RAM chip respectively, relay protection operation distributed in two CPU system of CPUA and CPUB, each CPU system completing different part of the operation, double-port RAM chip sharing alternating protection information of two CPU system. The invention checks the protection information, meeting requirement of the high operational capability and speed, ensuring information credibility and real-time. The system combines the high performance, credibility and easy updating of the protection device accompanied by design principle of high performance and lower hardware requirement, reducing cost of equipment, research.