2093results about How to "Reduce R&D costs" patented technology

A web crawler system used for picking up webpage data is prepared as providing data pick-up task to the second component and receiving execution result of data pick-up task from the second component by the first component, communicating with webpage server to obtain webpage data and operating DOM model to pick up data as well as describing picked up data then sending picked up data and its description to the first component by the second one.

The invention discloses a meeting management method. The method is characterized in that a meeting server is in API connection with a WeChat public service platform; the meeting server receives meeting room application information sent by a first WeChat client side and sends information for succeeding in apply for a meeting room to the first WeChat client side; the meeting server sends meeting invitation information to second WeChat client sides, receives feedback information from the second WeChat client sides, the feedback information comprises meeting invitation acceptation information and meeting invitation rejection information, the meeting server sends the feedback information to the first WeChat client side, and the meeting server receives meeting confirmation information sent by the first WeChat client side. According to the meeting management method, the meeting server is in API connection with the WeChat public service platform, so that the meeting room application and meeting participant invitation are conducted through WeChat, the meeting room application efficiency is raised, participant invitation is conducted conveniently and rapidly, the communication is facilitated, interaction is conducted by means of the WeChat platform which is already available, and the research and development cost is reduced.

The present invention relates to the automatic test method and the system of mobile phone software. The method mainly includes five steps; firstly, the keystroke operation of a mobile phone is simulated by a program-controlled switching switch; secondly, communication between a base station and the mobile phone is simulated by a comprehensive mobile phone tester; thirdly, the images of the display screen of the mobile phone are real-timely collected by a camera; fourthly, according to a test task, an industrial control computer controls the unified operation of the program-controlled switching switch and the comprehensive mobile phone tester, collects information coming from the serial port of the mobile phone and the camera-collected real-time images of the display screen of the mobile phone and compares the collected real-time images with corresponding preset template images; fifthly, according to the information coming from the serial port of the mobile phone and the comparison result of the images, the industrial control computer judges the operation state of the mobile phone software. The present invention can accurately simulate the process in which a person operates a mobile phone, so the test result is more accurate. Moreover, the present invention can increase the test efficiency and ensure the comprehensive traversal of test cases.

The invention belongs to unmanned aerial vehicle autonomous carrier landing field, and in particular relates to a pose estimation system and method for visual carrier landing navigation on mobile platform. The system and method can resolve the pose information of a moving ship relative to a UAV on a real-time basis through treatment of a collaborative landmark, have the advantages of small amount of calculation in the algorithm, good real-time property, and simple implementation, and provides a premise for safe landing of the UAV. The method uses a camera as a main sensor to reduce development costs and shorten the development cycle.

The invention discloses a liquid crystal display module and an integrally-molded back plate thereof. The integrally-molded back plate of the liquid crystal display module comprises a plurality of first step parts, a plurality of second step parts and a plurality of fastening parts which are formed by extending and bending the bottom of the integrally-molded back plate in sequence, wherein an optical diaphragm group is supported and fixed by the first step parts; and a liquid crystal panel is supported and fixed by the second step parts. In the invention, by the design of the integrally-moldedback plate of the liquid crystal display module, a rubber frame and a front frame can be omitted, while the liquid crystal display panel is directly arranged on the integrally-molded back plate, so that the assembling mode is simple and fast relatively, the development cost can be reduced, the development period is shortened and the production cost is reduced.

The invention relates to a method for designing automobile body structure layout. The method comprises the following steps of: 1) initially setting the parameters of a new type automobile, 2) choosing the white automobile body finite element models having similar structures and sizes, or directly building a white automobile body finite element model, 3) generating a grid enveloped model according to the white automobile body finite element model, 4) generating a body grid model according to the grid enveloped model, 5) topologically optimizing and analyzing according to a target parameter based on the body grid model, 6) according to an analyzed result and drawing an automobile body material layout diagram, 7) designing conception according to the layout diagram, and 8) designing the layout structure in detail according to the data of the conception design, performing simulating analysis of strength, NVH and impact performance CAE and formability process analysis according to the data of the detailed design of the layout structure, and modifying so as to acquire a three-dimensional digitized product model fit for volume production. The automobile body structure layout has the advantages of shortened developing period and lowered researching and developing cost.

The invention discloses method, device, system for transferring message and a device for receiving message, belonging to the communication technology art. The method comprises: receiving message; obtaining at least one message by copying the message; and transferring the received message and the copied message to a receiving end PE by presetting at least two pseudowires from a plurality of pseudowires, according to the principle that each pseudowire only transfers one message. The transferring device includes: a receiving module and a transferring module. The receiving device comprises: a receiving module and a processing module; or receiving module, a recombining module and a processing module. The system contains a sending end equipment and a receiving end equipment. Due to the plurality of pseudowires simultaneously bears the user traffic, when any link goes wrong, the other links can continuously transfer the traffic to protect the links and avoid the situation of user traffic lost in the transferring and failback process caused by protecting the links using a backup link, thereby, the invention can provide higher level reliability assurance.

The invention provides an on-line real-time simulation testing system of a wind generating set controller. The on-line real-time testing system comprises the wind generating set controller, a real-time simulation interaction system and a wind generating set system simulation model. The wind generating set controller issues an action instruction to the real-time simulation interaction system. The real-time simulation interaction system converts the received action instruction and transmits the converted action instruction to the wind generation set system simulation model. The wind generating set system simulation model executes the action instruction transmitted by the real-time simulation interaction system, provides a feedback signal needed by the wind generating set controller and feeds the feedback signal back to the wind generating set controller through the real-time simulation interaction system. A communication mode and a hard-wired mode are compatible, and an application platform is provided for kinds of real-time hardware on-line simulation of the wind generating set. The simulation testing system can be used for testing and evaluating operation and protection characteristics of the wind generating set in a laboratory environment, which facilitates rapid experimental verification of a novel control algorithm and a performance improvement scheme.

This invention discloses an automatic test method for CDMA cell phone software and a device, among which, the method includes the following steps: simulating CDMA cell phone keys by computer and generating related test scripts in the computer to be analyzed and translated to control orders for CDMA cell phones, transferring said orders to the CDMA cell phone via the computer serial interface, said cell phone responds to related key actions and feeds back the related response information to the computer to judge if a fault happens based on the response information, which can replace large quantities of artificial operations and effectively relicates events of small probabilities in the test to cell phone software so as to position the fault point of the software.

The invention relates to a load analysis method for a four-wheel six-component road spectrum of a finished automobile. The method comprises the following steps: 1 testing a four-wheel six-component road spectrum of a finished automobile; 2 collecting the design data of the finished automobile; 3 building and adjusting a dynamic model of the finished automobile; 4 carrying out virtual iteration; 5 obtaining Z-direction displacement of a wheel center; 6 decomposing the load of the finished automobile; 7 processing the load result. The six components of four wheel centers of the finished automobile are directly measured as external road excitation input; the actual stress condition of each wheel center under the typical characteristic road excitation of test site reliability is reflected; the technical effect of obtaining the load of the finished automobile system and spare parts is realized by a virtual iteration technique and a dynamics simulation technique; the anti-fatigue performance of the finished automobile structure can be accurately predicted and optimized at the earlier stage; problem rectification of the sample automobile stage is reduced; the research and development cycle is shortened; the research and development cost is also reduced.

The invention discloses an intelligent refrigerator control system based on the big data technology. The intelligent refrigerator control system comprises an internet-of-things subsystem and a remote cloud data processing subsystem, wherein the internet-of-things subsystem comprises an image identification / RFID (radio-frequency identification) module used for identifying stored article information, a temperature and humidity sensing module used for detecting the temperature and the humidity in a refrigerator, a microprocessor module for controlling and coordinating the modules and scheduling and encoding or decoding data stream, a data storage module used for storing real-time information and data, a wireless communication module used for remote data transmission and a power management module used for supplying power to the modules and managing a power supply; the image identification / RFID module, the temperature and humidity sensing module, the power management module, the data storage module and the wireless communication module are all connected with the microprocessor module; the remote cloud data processing subsystem is accessed into the wireless communication module through the internet and comprises a remote data server array; the array comprises a list server, a database server, a program server and a server for storing other data information.

The invention discloses an optimization design method of a composite material wing panel. The optimization design method comprises the following steps: (1) carrying out finite element simulation modeling on the main structure of a wing; (2) applying a load and boundary condition to a finite element wing box section model; (3) calculating an integral wing box finite element model, and extracting the internal load of a structure; (4) designing a layup library, and calculating the laminate attributes of all layers in the layup library to obtain a rigidity matrix and an equivalent elastic modulus; (5) aiming at the calculation requirements of different structural unit initial dimensions and different failure modes of a skin stringer to carry out secondary distribution calculation on the load; (6) calculating the design allowable value of each structure failure mode of the panel; (7) calculating the safety margin of each BAY of a panel structure; (8) setting a maximum slope rate of panel layup arrangement and an adjacent area laminate throwing layer, setting the Poisson ratio difference value coefficient and the stiffness ratio of the stringer and the skin, and regulating the layer if a design range is not met; (9) if the design does not meet weight requirements, requiring to circularly carrying out the steps (1) to (8) to regulate the lay and the dimension until structure weight requirements are met. According to the method, the design and optimization working efficiency of the integral panel of the composite material is improved, and research and development cost is saved.

The invention discloses a method for data distribution in a LTE-A system, which comprises that: an RLC layers of network nodes receive a plurality of RLC SDUs transmitted by PDCP layers, wherein the RLC SDUs comprise communication data of at least one communication opposite terminal; and the RLC layers distribute the plurality of received RLC SDUs to carriers according to preset scheduling policies and transmit plurality of distributed RLC SDUs to the communication opposite terminals through protocol layers below the layer. Thus, compared with the LTE system, the LTE-A system has the advantages of avoiding the change of the protocol design and equipment of the protocol layers below the RLC layers of the network nodes and consequently saving research and development cost to a great extent. In addition, the invention also discloses a communication device and the LTE-A system.

The invention relates to a machining process and a manufacture technique of metal materials, in particular to a simple forming process of a seal head for a titanium alloy cylinder. The process comprises the following steps: increasing the thickness of a blank during the design of a die, and correspondingly increasing the die clearance; blanking; preprocessing the blank, and heating to a temperature of 20-50 DEG C below a transformation point by using an electric furnace; preheating the die to 300 plus or minus 20 DEG C; ensuring the forming temperature to be within the alloy forging temperature range and avoiding overlarge temperature difference between the die and the blank; and punching by multiple heating numbers to finish the forming process. A product manufactured by adopting the process meets the technique data requirement. Compared with a common forming process with multiple heating numbers, the invention reduces the manufacture of at least one set of die, reduces a working procedure of changing tools during producing the dies, reduces the cost by more than 40 percent and shortens the production cycle by more than 50 percent.

The invention relates to a method for fixing a focus and measuring a curvature radius by confocal interference, and belongs to the technical field of optical precision measurement. The method comprises the following steps of: introducing interfering reference light based on a confocal light path; precisely positioning an apex of the surface of a tested spherical element and a location of the centre of a sphere by using the maximum value of a confocal interference response curve to obtain the curvature radius of the surface of the tested spherical element; and maximumly sharpening a main lobe of the confocal response curve. By the invention, the traditional confocal interference microscopy imaging technique is first applied to improvement on the fixed-focus precision of an optical measuring system, so that the optical measuring system has a higher axial resolution and a simple structure, and the research and development costs of the system device are reduced.

The invention provides an auxiliary control system for a power line inspection unmanned aerial vehicle, which comprises a camera. The auxiliary control system for the power line inspection unmanned aerial vehicle further comprises an electric field intensity detector, a flying sensor, a motor rotational speed controller, a remote controller and a main controller; the electric field intensity detector is installed on the camera and used for detecting the electric field intensity around a power line; the flying sensor is used for controlling the flight direction of the unmanned aerial vehicle under the control of the main controller; the motor rotational speed controller is used for controlling the rotational speed of a motor in the unmanned aerial vehicle under the control of the main controller; the remote controller is communicated with the main controller and sends a control command to the main controller; the main controller is used for calculating the distance value between the unmanned aerial vehicle and the power line according to the electric field intensity detected by the electric field intensity detector, and also used for controlling the work of the flying sensor and the motor rotational speed controller according to the control command sent by the remote controller and the distance value; and the electric field intensity detector, the flying sensor and the motor rotational speed controller are electrically connected with the main controller respectively. By adopting the scheme, the problem that the unmanned aerial vehicle collides with the power line during the process of power line inspection can be effectively solved.

The invention discloses a wing with a self-adaptive variable camber trailing edge. The wing comprises a main wing, a rear beam and a variable camber trailing edge section, wherein the variable camber trailing edge section is connected with the main wing through the rear beam; the variable camber trailing edge section comprises an upper surface skin and a lower surface skin; the first end of the upper surface skin and the first end of the lower surface skin are respectively connected with the rear beam; the other end of the upper surface skin and the other end of the lower surface skin are connected through a rigid trailing edge; the parts, close to the rigid trailing edge, of the upper surface skin and the other end of the lower surface skin, are connected through a sliding mechanism; the sliding mechanism is connected with the rear beam through a shape memory driving part. By adopting the technical scheme, compared with a conventional similar wing, the wing with the self-adaptive variable camber trailing edge has the advantages of simple structure, light weight, low research and manufacturing cost, high flying performance and the like, the aerodynamic performance of an aircraft is greatly improved, the aerodynamic efficiency of the aircraft is improved, the oil consumption is reduced, and the use cost of the aircraft in the whole service life is lowered.

The invention provides a distributed self-adaptive optical system based on optical fibers. The distributed self-adaptive optical system based on the optical fibers comprises an emitting laser, an optical fiber beam splitter, an optical fiber phase modulator, an optical fiber laser amplifier, a photoelectric detector, a three-port optical fiber circulator, a self-adaptive optical fiber collimator and coupler array, an integrated device, a multi-channel high-voltage amplifier, a wavefront controller as well as a beacon light source, a spectroscope and a far field target. The distributed self-adaptive optical system is based on the fiber laser technology in combination with a plurality of optical fiber devices, and is characterized in that a beacon light beam is divided by use of the self-adaptive optical fiber collimator and coupler array, the wavefront error of beacon light is measured in real time and the error is decomposed to each light sub-beam in a laser array, a piston for emitting the light sub-beams and a tilting phase are controlled independently and in parallel according to the principle of phase conjugation, and the influence of atmospheric turbulence effect on the quality of the light beam at the far field target is relieved. The distributed self-adaptive optical system based on the optical fibers has important application prospects in the fields such as laser atmospheric transmission, free space laser communication and laser radar.

The invention provides an automobile suspension key structure element optimization design method, which comprises the following steps of: building a suspension system kinetic model according to a pre-determined suspension system development scheme, and obtaining an equivalent load of a suspension structure element connecting point under a typical work condition; building a suspension system mechanism kinetic model, and determining an initial design domain of a development structure element; building a limited element analysis model of the initial design domain of the development structure element; obtaining the material distribution of the development structure element and determining a basic topological configuration of the development structure element; obtaining a conceptual design model of the development structure element; and obtaining each parameter optimum scheme of the conceptual design model of the development structure element and an optimization design model. When the embodiment of the invention is implemented, the development period of the suspension key structure element can be effectively shortened; and the reference can be provided for the optimization design of other system parts of an automobile.

The invention discloses a CT image reconstruction back projection acceleration method based on OpenCL-To-FPGA. Acceleration of the CT image reconstruction back projection step is achieved through an FPGA. The method comprises the specific steps that a CPU-FPGA heterogeneous computing mode with a CPU and the FPGA cooperating with each other is constructed in an OpenCL programming model, the CPU and the FPGA are in communication through a PCI-E bus, the CPU serves as a host and is in charge of serial tasks in an algorithm and the tasks of configuration and control on the FPGA, and the FPGA serves as a coprocessor and achieves parallel pipeline acceleration of back projection computing by loading an OpenCL kernel program. In the programming mode, executive programs of the FPGA are all developed through an OpenCL language similar to C / C++ in style, development is easy and convenient to perform, modification is flexible, the development cycle can be greatly shortened, and the development cost for product maintenance and upgrading is reduced; moreover, the new method is based on an OpenCL frame, codes can be fast transplanted between platforms, and the method is suitable for being extended and applied to cooperative acceleration of a multi-processor heterogeneous platform.

The invention is a method of testing thermal resistance of power LED and its special chip, its main character: using special chip to simulate the designed power LED chip, they have the same structure of extension layer and electrode layer, when using it to make the power LED to be tested, also adopting the same or similar packaging technique to the designed power LED. It can accurately simulate the thermal working characteristic of the designed power LED, by testing and calculating, obtains the thermal resistance without adopting expensive special testing instruments, reducing the development cost of power LEDs.

The invention provides an optical communication transmission method and system. The optical communication transmission method includes encoding to-be-sent transmission data by bit to obtain an electric signal formed by combination of a high level and a low level; controlling a designated area of a screen to send out an optical signal of flash time corresponding to the high and low levels of the electric signal; receiving the optical signal, and converting the optical signal into the electric signal composed of the high and low levels; recording duration for converting the optical signal into the electric signal composed of the high and low levels, and decoding the electrical signal to obtain the transmission data. The screen of terminal equipment is utilized for performing optical communication, an optical communication module occupies a small internal space of the terminal equipment, complicated communication protocol stack support is not required during optical communication, and external communication equipment can receive information sent from the terminal equipment only by being provided with an optical receiver, so that the optical signal only needs to be encoded and decoded simply, the structure of the whole system becomes simple, and research and development costs are saved.

The invention discloses a novel hybrid vertical / short take-off and landing (V / STOL) unmanned aerial vehicle, aiming at solving the problems of complicated structure, high cost and the like of the existing aerial vehicles. The unmanned aerial vehicle comprises a body, a main wing, take-off and landing auxiliary wings arranged on the main wing, canards arranged at the front part of the body, a vertical tail arranged at the rear part of the body, a landing gear, an accumulator battery, a control system, a power supply management system and the like, wherein the landing gear, the accumulator battery, the control system, the power supply management system and the like are arranged below the body. The unmanned aerial vehicle adopts a ducted fan to provide a lift and assist balance during vertical take off and landing, and adopts an engine to provide the main push force and to automatically generate electricity so as to effectively utilize oil-electricity complement, simultaneously the reasonable hybrid use of fuel oil and electric energy is achieved through the structure and aerodynamic configuration design of the aerial vehicle, thereby achieving vertical and short take-off and landing, reducing the control difficulty of the aerial vehicle and solving the problem of inconsistence between difficult control and short voyage of the existing V / STOL unmanned aerial vehicles; the novel hybrid vertical / short take-off and landing (V / STOL) unmanned aerial vehicle disclosed by the invention can achieve vertical / short take-off and landing, and has the advantages of flexible and steady flight, wide application range and the like.

According to the invention, the general function of an Ethernet switch chip is used; and based on the general hardware architecture of an Ethernet switch, an Ethernet traffic generation and analysis method is provided, so as to realize two functions of traffic generation and traffic analysis. The method specifically comprises the steps of traffic transmission message content construction, transmission message quantity control, traffic transmission rate control, flow transmission and receiving counting, traffic receiving capturing, forwarding delay measurement and protocol message interaction.

The invention provides a method for sending testing data frame in port line-speed by using the Ethernet switch, which comprises the steps that: establishing a virtual local area network (LAN) which contains one first class port and a plurality of second class ports, wherein, the virtual local area network tag of the virtual local area network is corresponding to the mark of the first class port in the virtual local area network; sending test data frame with the virtual local area network tag of the virtual local area network to one of second class ports; broadcasting and testing data frame by the second class ports which has received the test data frame in virtual local area network which is corresponding to the virtual local area network tag to form broadcast storm among a plurality of the second ports; retransmitting the received test data frame brought by broadcast storm to the equipment to be tested by the first class port. By adopting the technical proposal, the invention can send test data frame in the equipment port line-speed without network processor and FPGA, thereby, reducing the cost of research, development and production.

The invention discloses a simulation test stand and a simulation method for a driving working condition of an electric automobile. According to the test stand, a test driving motor is utilized to simulate a motor running state of the electric automobile under a simple working condition and a circulating working condition; a dynamometer which is coaxially connected with the test driving motor is adopted to output a load torque which matches with a resistance experienced by the electric automobile when driving under a simulated working condition; a rotating speed closed-loop control based on a single chip microcomputer is utilized to solve the problem for accurate controlling the rotating speed of the test driving motor under the circulating working condition; and the calibration and closed-loop control for the loading amount of the dynamometer is utilized to improve the matching precision between the load torque output by the dynamometer and the driving resistance under the actual working condition, so that the test driving motor can operate according to the simulated driving condition of the electric automobile. The scale of the test stand is reduced, the research and analysis requirements for power driving systems of different electric vehicles are met, the simulation for different driving working conditions is met, and the application range is wide.

The invention relates to a semi-physical simulation testing table of a network control system of a high-speed motor train unit train. The semi-physical simulation testing table comprises a model management unit, a real device and a model unit, wherein the real device and the model unit communicate with the model management unit. The semi-physical simulation testing table has the following obvious advantages in train control algorithm and control logic verification and optimization: lowering the research and development cost: by the establishment of the semi-physical simulation testing table of a high-speed trainset control and management system (TCMS), the research and development period is shortened, the research and development cost is lowered; shortening the development and manufacturing period: the establishment of the semi-physical simulation testing table of the high-speed TCMS contributes to the shortening of the debugging time on the train.

The invention relates to a bus card swiping system, in particular to a bus card swiping system by applying cell phone two-dimensional code technology. The bus card swiping system successfully achieves the technical purpose that a cell phone can be used as a bus card under the condition that any change is not carried out on the cell phone. The system requires that a user registers a bus account first, logs in the bus account before taking on a bus, calls out a cell phone two-dimensional code page which contains account information of the user, and places the two-dimensional code page and swipes the two-dimensional code page on a two-dimensional code reading device (arranged in the front of the bus). The two-dimensional code reading device sends card swiping information to a bus company server through wireless networks. Through the server, a bus company can classify and summarize user swiping information sent to the server from each bus line and know operating conditions of each line; and the bus company can deduct bus-taking fees from a passenger account, change two-dimensional code information in the passenger account by utilizing certain algorithm and guarantee that the two-dimensional code can reflect balance information of the user account in real time.

The invention provides an internet of things application development method, a middleware and a PaaS (Platform as a Service). The internet of things application development method comprises the following steps of step 1, the PaaS receives an application registration application and generates into a foundation framework code; step 2, the PaaS stores the code and performs version control on an application which is corresponding to the foundation framework code through an SVN (Subversion) version control server; step 3, the PaaS returns a registration result information application code; step 4, the PaaS receives and stores the uploaded application code and updates the version information of the uploaded application in the SVN version control server; S5 the PaaS sets an open permission for the application. Each embodiment in the invention can be utilized for improving the expansibility and the development flexibility of module application, and multifunctional system integration can facilitate the usage of developers and reduce research and development costs.

The invention provides a reliability design optimization method for an avionic device. By means of the reliability design optimization method for the avionic device, the reliability index of the device can be practically and effectively promoted in the design stage. According to the technical scheme, the method comprises the following steps that three-dimensional digital prototype modeling is conducted according to an avionic device design scheme; on the basis of a three-dimensional digital prototype, environmental stress digital prototype modeling is conducted according to a device working load, an environmental load and design information relevant to device characteristics, and a model is corrected and verified; thermal environment stress, mechanical environment stress and the like of the avionic device are analyzed by referring to environmental conditions, environmental stress weak links of the device are searched, and corresponding avionic device design optimization is conducted; a fault physical digital prototype model is built, environmental stress analysis results are introduced to conduct device fault risk prediction, avionic device design optimization is conducted aiming at the reliability weak links occurring in the analysis process, and the reliability level of the avionic device is evaluated according to the optimized fault risk distribution situation.