568results about How to "Reduce R&D costs" patented technology

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 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 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 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 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 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 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.

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 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 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.

The invention relates to a super critical water nuclear reactor, which adopts external pipe fuel assembly in the field of nuclear reactor works technology. The external tube fuel assembly comprises concentric outer tube, inner tube and center tube, wherein the annular space between inner tube and center tube has unclear fuel element which has millimeter diameter and has UO2 small ball which is covered with multilayer SiC-PyC; inlet water enters into outer weir which is formed by outer tube and inner tube and then goes through inner tube and covering particle posited bed to directly cool covering particle, with the cooling water heated and gone through slotted hole of center tube and entered into center tube, at last dropped off center tube. It can adopt pressure shell type or design the outer tube into bearing pressure tube, which can bear super water designing pressure.

A product service life rapid test method based on a physical model comprises the steps of determining an equivalent environment profile; determining acceleration test conditions; determining an upper quality specification limit of the test; and determining a plurality of groups of sampling plans (n, c) under the given reliability and user risk. According to the method, the degradation physical model and acceleration tests are combined, so that forming of service life rapid test schemes of products of different types can be effectively guided, and whether the batch of products can meet service life index requirements under specified utilization conditions and environment conditions is tested within a short time. The stability rapid test method for product performance parameters is provided through the performance parameter physical model, so that the test sample size and test time can be saved, and research and development costs can be reduced; and by means of the acceleration test method, product batch production test time can be greatly shortened, and test procedures can be simplified.

The invention provides an on-board automobile failure diagnosis instrument, belonging to the field of automobile electronic equipment technique. The on-board automobile failure diagnosis instrument of the invention is characterized in that the diagnosis instrument comprises a signal processing module which is connected with a diagnosis joint of an automobile diagnosis base by a diagnosis interface, a communication control module, a communication interface module, a memory module, a main control module, a liquid crystal display module and a power supply module. The on-board automobile failure diagnosis instrument provided by the invention has independent CPU, low cost and good diagnosis effect, and can comply with the failure diagnosis requirements of various automobile engines.

The invention discloses a global positioning system (GPS)/global navigation satellite system (GLONASS) dual-system combination simulator and a GPS/GLONASS dual-system combination simulation method. Based on a hardware platform consisting of a digital signal processor (DSP) information processing module, a field programmable gate array (FPGA) signal processing module, two D/A conversion modules, an up-conversion module and a transmission antenna or output cable, a GPS satellite channel and a GLONASS satellite channel which are independent of each other are separated to realize GPS/GLONASS dual-system combination simulation. In the simulator and the simulation method, not only an independent GPS satellite signal and an independent GLONASS satellite signal can be simulated in an independent processing way, but also the coordinate system uniformization and time system synchronization of two systems can be realized, thereby effectively shortening a research and development cycle, reducing the receiver research and development cost and bringing convenience to the construction of a testing environment.

The invention discloses an automatic testing device and an automatic testing method of ARINC 429 bus signal performance parameters; the device comprises a test unit, a test adapter and corresponding software program, wherein the test unit consists of a power control box, a PXI test case, a signal conditioning box, a test interface array and an input-output device; all resource modules in the test unit can be used for running a test program of the test unit by testing software under the control of a PXI control computer through a PXI bus; the adapter is meshed with an RCV end by an ITA end of a test array, and is connected with test resource modules on the test unit; and the testing software comprises two parts including testing software of the test unit and testing software specially used for the adapter. After the invention is adopted, the quality level of an ARINC 429 bus signal module product can be improved, the development of a special test device is omitted, and the development cost and the maintenance cost of the test device can be greatly lowered.

The invention discloses an automatic testing method based on a natural language processing technology. The method includes the following steps of A, preparing a testing case set, and combing tested services; B, constructing and training a natural language processing model for testing case parsing; C, developing an automatic testing code template; D, controlling case parsing, code adapting and testing executing through an automatic testing frame, and generating a testing report. By means of the effective testing method, the natural language processing technology and an artificial intelligent technology are used for training traditional text-compiled testing cases, an automatic testing code is generated and executed, and the testing result report is output. Therefore, the aims of being efficient in testing and reducing research and development cost are realized.

The invention discloses a method for serialization and deserialization, comprising the following steps: the number N of channels is taken as variable, a frame format encoding serial data is set; a local reception end determines the frame head of the received serial data according to the set frame format and converts the serial data into N-bit parallel data; the parallel data is analyzed according to the set frame format so as to obtain a link state and the N-bit parallel data is output; a local transmission end encodes the local parallel data according to the set frame format, and the parallel data corresponding to the frame format is output according to the link state resulted from the analysis of the local reception end; and the parallel data is converted into the serial data and frequency-doubling high-speed clock is utilized to output the serial data. The invention further discloses a device for serialization and deserialization; by adopting the method and the device, chips with the single-chip SERDES function can be used for the mutual conversion between parallel signals and serial signals of the different number of channels, and meanwhile, consumptive cost of users is reduced.

The invention provides an optimization design method and system for improving a noise transfer function. The optimization design method comprises: establishing a finite element model of a whole vehicle body and a passenger compartment sound cavity of a vehicle to be optimized; performing noise transfer function analysis on the finite element model to obtain a sound pressure level curve of a noisetransfer function; panel division is carried out on sheet metal parts, coupled with the passenger compartment sound cavities, in the finite element model to obtain a plurality of panels; analyzing a panel contribution amount and a modal contribution amount based on the peak value in the sound pressure level curve, and determining a target panel and a target mode causing a transfer function peak value; and optimizing the vehicle body structure based on the target mode and the target panel to obtain an optimized target structure, and modifying the vehicle body finite element model based on the optimized target structure. By using analysis software, the vehicle body structure influencing the noise transfer function of the whole vehicle body can be optimized on the finite element model at theinitial development stage of the whole vehicle, the vehicle body performance is improved, the research and development cost is saved, and the research and development period is shortened.

The invention is applicable to the technical field of computers and provides a method and a device for measuring the human body pulse. The method comprises the following steps that: multiple frames of light transmission finger bitmaps are continuously collected according to the preset time intervals; the red value saturation of the pixel points in the pulse measurement region in each frame of finger bitmap is obtained; a red value saturation rectangular coordinate system adopting the horizontal axis for representing pixel point sequence numbers and adopting the vertical axis for representing pixel points is respectively built for each finger bitmap, in addition, dotting is carried out in the rectangular coordinate system according to the red value saturation in the finger bitmaps, and thedotted points are connected for forming a red value saturation curve; the area of shapes circulated by the horizontal axis and the vertical axis in each coordinate and the red value saturation curve is respectively calculated; a plurality of shape area peak values are obtained, and in addition, the human body pulse frequency is calculated according to the time difference of the shape area peak values. The human body pulse frequency can be calculated only through electronic equipment, such as computers with cameras, mobile phones and the like, users can conveniently measure the pulse, and the development cost of special pulse test devices is reduced.

The present invention discloses an electric power steering controller hardware function test board. The electric power steering controller hardware function test board comprises an upper computer and a simulation signal generation module. A controller to be tested is configured to burn in base hardware function test software; the upper computer is provided with upper computer measurement and control software; the upper computer is configured to send test instructions and simulation parameters to the controller to be tested and receive the test results fed back by the controller to be tested; the upper computer is configured to send the simulation parameters to the simulation signal generation module; the simulation signal generation module is configured to generate simulation signals according to the simulation parameters and instructions sent by the upper computer and output the simulation signals to the controller to be tested; the base hardware function test software of the controller to be tested is configured to control the operation of the controller to be tested according to the test instructions and the simulation parameters, collect the electrical function data of each hardware of the controller to be tested and feed back to the upper computer. The electric power steering controller hardware function test board is able to perform individual test of electrical parameters of the hardware module circuit of the electric power steering controller.

The invention relates to a device for testing wireless baseband chips in a base station side, which comprises mutually connected chips to be tested and a controller unit, wherein the chips to be tested are used as uplink and downlink tested objects, and the controller unit controls the generation of the data stream of an uplink antenna of the chips to be tested or collects the data stream of a downlink antenna of the chips to be tested at a right time point. The method comprises the steps: inquiring the state of the chips to be tested, reading uplink processing results output by the chips to be tested, comparing the uplink processing results with uplink parameter results, or comparing collected downlink antenna data streams with downlink parameter results, and inquiring the downlink operating state of the chips to be tested so as to respectively judge the correctness of the uplink processing results and the downlink processing results of the chips to be tested. The invention can make up the defect that a special wireless testing instrument can not achieve the function of bit-order calibration at a specified time point, alleviates the requirements of a plurality of sets of testing environments to a plurality of testing instruments and saves the costs of research and development.

The invention relates to a method for testing a base band chip of a satellite navigation receiver. The method comprises the following steps in turn: receiving a navigation satellite radio-frequency signal and converting the radio-frequency signal into a digital intermediate-frequency signal; acquiring the obtained digital intermediate-frequency signal and converting the digital intermediate-frequency signal into a binary file; storing the obtained binary file; playing back the stored binary file to form the digital intermediate-frequency signal and transmitting the digital intermediate-frequency signal to the tested base band chip; and performing result accuracy judgment on the output of the tested base band chip. The method reduces the expense required for constructing a plurality of test platforms, and facilitates the judgment of the accuracy of the output of the to-be-tested base band chip on finer resolution.

The disclosed interface device for SIM and USIM comprises: a bus interface module, a register module, an interruption-handling module, a clock generation module, a state machine module, a transmit-receive module, a card detection module, and a power supply module. Wherein, there are bus clock signal (pclk), bus chip-selection signal (p_cs), bus address line (paddr), and card power on-off control signal (sc_pwctrl). This invention expands SIM card from 2G times to the 3G times as USIM card, reduces cost and consumption, and prolongs mobilephone standby time.

A kind of testing room of double testing antenna is used to test electromagnetic wave of electronic device; it mainly possesses an antenna rack which a testing antenna can be mounted selectively, so the two relative tests of electromagnetic wave can share a testing room, and test error induced by moving testing antenna can be decreased.

The invention discloses a pre-combustion generator. The pre-combustion generator is mounted in an oil spraying device mounting hole on an engine cylinder cover, and comprises a pre-combustion generator body, wherein the pre-combustion generator body is provided with a pre-combustion chamber; the pre-combustion generator body is provided with a spraying hole for communicating the pre-combustion chamber with a combustion chamber; the pre-combustion generator body is further provided with a gas supplying device for supplying gas to the pre-combustion chamber; the pre-combustion chamber is provided with a sparking plug mounting hole; the sparking plug mounting hole is internally provided with a sparking plug; the pre-combustion generator body is further provided with a cooling device. The pre-combustion generator is provided with an independent cooling system, a gas feeding system and a control system so that one independent product is formed and the product can be conveniently applied to a diesel engine to be refitted into a gas engine; the tendency of detonation in a main combustion chamber can be reduced and the compression ratio of the existing gas engine can be increased; a piston and the cylinder cover do not need to be redesigned to change the compression ratio; the heat efficiency of the gas engine can be effectively improved and energy sources are saved.

The invention discloses an immunochromatographic test strip, and a production method and an application thereof. The test strip is characterized in that a labeling compound carries an inert protein connected with a special label and used for quality control, and a quality control line contains a monoclonal antibody specifically binding to the special label carried by the inert protein. The test strip has an independent quality control system, so the obtained test result has a high specificity and an anti-interference property, non-specific reactions brought by the self-bearing antibodies in human blood samples are effectively avoided, and the effectiveness of the test strip is effectively indicated.

The invention discloses an engineering multiphysics coupling analysis method, which comprises the following steps: (1) acquiring data information related to load transfer in different physical field numerical models; (2) setting load transfer relations of different physical field numerical models, setting the solving sequence of physical field numerical models of different computer aided engineering (CAE) analysis systems, and setting load transfer, convergence and control laws; (3) performing load data conversion and transfer for different physical field numerical models in real time on the basis of load transfer relations in an iterative loop mode according to the set solving sequence; and (4) displaying calculation results in different physical models. According to the method, functions of the existing CAE software are used to the maximum extent, the existing CAE software is not required to be modified, research and development costs and software usage costs are saved, simultaneously the usability of coupling field analysis software is improved, so that the method has a positive effect on application and popularization of the engineering multiphysics analysis in industrial design and is beneficial to performance analysis and innovative design of complex industrial issues.

The present invention discloses a random excitation flash model verification method. The method comprises: writing a pseudo-assembler command weight script according to a nandflash operation command weight; reading parameters and testing conditions of a nandflash according to the nandflash model, and configuring interface driving of the nandflash model; calling the pseudo-assembler command weight script to randomly generate a assembler pseudo-command, and adopting the command weight as the constraint condition to produce a predetermined total number of assembler pseudo-commands so as to generate a pseudo-assembler test sequence; parsing the pseudo-assembler test sequence, and performing a test on a flash model through the interface driving. With the verification method of the present invention, high test coverage can be provided for different flash models.

The invention discloses a mobile evolved packet network system comprising a base station which is connected with user terminals and used for receiving messages and first service requests from the user terminals, an MME (Microsoft Mobile Explorer) which is connected with the base station and used for receiving the first service requests through the base station and generating second service requests related to the first service requests, an OPENFLOW controller which is connected with the MME and used for receiving the second service requests and generating message forwarding commands based on the second service requests, and forwarding face equipment which is connected with the OPENFLOW controller and the base station and used for forwarding the messages under the control of the message forwarding commands.