74results about How to "Strong upgradeability" patented technology

The method comprises: newly adding a communication scheduling layer into original data link layer of Ethernet; in relation to the standard channel using TCP / IP, newly adding a real time channel; according to the greatest common divisor of control cycle in the actual control area, using a three segmentation dividing principal to divide macro cycle into three time segmentations on time axis; the bus arbitration uses a approach of combining the distribution with the concentration, and uses a time slot distribution based scheduling approach to send the cyclic data relating to the realization of control function in the time segmentation, uses the centralized scheduling approach with priority controlling function to send the system data and non cyclic data in the time segmentation; all slave devices in the system keep the time consistence with the master device by using a clock synchronous algorithm; the logic addressing is made based on the device ID; realizing the real time Ethernet determinacy communication.

A reusable business performance management integration framework provides high performance and maximum efficiency for data transfer of general ledger data. The system issues commands to extract data from a named data source and then processes, tracks, prepares and delivers the data to a named system designation. The system identifies unique data intersections and synchronizes and / or reloads data against data intersection patterns without the use of primary keys. Integration templates may be applied to the basic framework. Each template contains the map for data transmission between a given general ledger system and the destination application type.

A transponder satellite communication navigation positioning system relates to the field of space technology. The system is equipped with a high-precision atomic clock at a ground communication navigation reference station, and the satellite orbit data is given by the satellite orbit determination system; the satellite integrity is given by the monitoring system The data forms the navigation message, and the ranging code composed of pseudo-random codes forms an integrated baseband signal, which is modulated by spread spectrum to form a navigation signal carrier, which is transmitted through the antenna and forwarded by 3 to 9 satellites in a certain geometric distribution in space The device converts the frequency and forwards the downlink, and broadcasts the signal to the coverage area; the ground user terminal receiving device receives the navigation signal carrier, and despreads and demodulates it to obtain the navigation data, thereby determining the position, speed and time of the user terminal receiving device. The invention has the advantages of low investment, guaranteed accuracy, convenient and flexible system maintenance and management, and dual functions of navigation and communication, so that the navigation and positioning accuracy can reach meter-level precision or be better than meter-level precision.

A method of data migration and integration with a data load mechanism. The first primary step is to extract the data from a named source by remote queries. The follow-up logic is used for any miscellaneous or supplemental transformations to inbound data for data renaming, null scrubbing, and data polishing. The filtration step allows for any extraneous data to be filtered out. The compression step consolidates any fragmented balances residual in the remote queries, localize remote data, data map, or follow-up logic. As a part of the compression process, the result set table signature is explicitly cast to that of the destination fact table. The result of this is an exact replica of the destination fact table format, data types and column order. The kickout handling provides referential integrity of the inbound data flow against the named BPM Destination System. Finally, the deployment step limits the dynamic reload or sync determination to certain fields.

A method for realizing passive light network operation and management is that general labels of the general multiprotocol label exchange protocol are applied to realize data forward multiple addressing base, the labels are taken as the basis of data service sorting forward. The label exchange path is applied to realize the forward of direct user end to user end, the strengthened route protocol is used to realize uniform flow engineering of passive light network and back bone network, the strengthened signaling protocol is used to realize the uniform label distribution of the passive light network and back bone network and the network management structure is applied to realize a uniform network management platform of the passive light network and backbone network.

The invention discloses a method for improving the reliability of a power grid dispatcher training simulation system. The method comprises the following steps that: (1) at a plant station end of a teacher machine simulation actual system, an EMS system sends the data of a DTS server as the acquired data through a firewall; (2) at a master station end of a student machine simulation actual system, the function and the interface of an SCADA system at the master station end are copied to form an SCADA copy; (3) a teacher generates a training state on the DTS server, can adjust the power, modify the section, set the fault and the like to form a corresponding training plan, and sends the training plan to the SCADA copy; and (4) a student operates a simulation power grid in the environment of the SCADA copy to finish the training. According to the invention, a database of a DTS system is refreshed in the case of any change or upgrade of the SCADA system, and complete consistence with the new function of the SCADA system can be realized, thereby reducing the re-development process of the system, greatly reducing the cost and time and realizing good upgradability.

The invention relates to a high-availability industrial Ethernet redundancy method, which comprises the following steps: adding a link redundancy entity on an original data link layer of the Ethernet for managing the sending and receiving of data frames of the Ethernet; setting two network adapter drivers relative to an original protocol stack for managing two network adapter interfaces; connecting a double-connected node which comprises the link redundancy entity and the two network adapter drivers to two independent networks respectively through two network adapters; adding a redundancy control tracker for the data frames on the link redundancy entity for distinguishing the data frames with the same content; sending the data frames which have the same content and is provided with the redundancy control tracker to two mutually-independent networks by the double-connected node through the two network adapters; keeping effective frames and discarding copy frames; and setting up a node table. The method has the characteristics of transparency, self-healing property and compatibility and the like; and the reconstruction thereof is simple, and the safety performance of the system is increased so as to enable the system to have high usability.

A wave power generating equipment (1) includes a buoy (3) and a power train (2). In the transmission unit there is a driveshaft (11), which is driven to rotate either when the buoy rises or sinks, yet always in the same direction. The driveshaft is mechanically coupled to one of the rotating parts (21') of an electric generator (21) and drives this to generate electric current. Further on there is provided an energy accumulation device (105), which is also coupled to the driveshaft to accumulate energy when the buoy rises or sinks and the driveshaft rotates and which is then used to drive the generator at the other of the rising- and sinking motions. The coupling between the energy accumulation device and the driveshaft can go by the generator's second rotatable part (21'), the air gap between the generator's parts and the generator's first part. The coupling over the air gap gives a torque, which drives the second part to rotate along and which also counteracts the rotation of the driveshaft. The generator's second part is driven by the energy accumulation device to rotate in the other direction, when the torque from the driveshaft does not exceed the counteracting torque.

The invention discloses an image processing system based on FPGA, comprising an image processing chip FPGA module; the FPGA includes an ARM interface module, an SDRAM control module, a command interpretation module, a display control module and a bus arbitration module, wherein the ARM interface module of the FPGA is also connected with a main controller which is an ARM microprocessor. The image processing system not only utilizes the ARM microprocessor so as to have the characteristics of having rich command sets and flexible programming, but also develops the advantages of the FPGA in the aspects of speed and parallel arithmetic, thus having and developing the advantages of the ARM microprocessor and the FPGA, and improving the efficiency, the flexibility and the upgradability of the system.

The invention relates to an LED large screen control system featuring integration of synchronous and asynchronous control, which can have the compatibility of synchronous and asynchronous application, facilitates engineering construction and maintenance and has high reliability, expandability and upgradability. The technical proposal of the invention is that the invention is characterized by comprising a control computer, a master control panel and an LED drive circuit, wherein, the computer is connected with the master control panel by a DVI interface or an asynchronous communication port, the master control panel is connected with the LED drive circuit by the Ethernet.

The invention discloses an FPGA chip. The FPGA chip comprises an automatic gain control module which is used for controlling amplitude of sampling intermediate frequency AD digital sample signals to reduce quantization error influence resulting from quantization truncation of the signals; a signal conditioning and demodulation module which is used for carrying out timing synchronization on filtered bandpass signals, finishing carrier synchronization of modulation signals through utilization of a carrier synchronization loop, extracting code synchronization information and a synchronization clock through adoption of a code element synchronization loop, and finishing 1M-300Mbps any rate configuration data judgment; and a data conditioning and frame synchronization module which is used for carrying out deblurring on demodulated baseband data, and carrying out frame format synchronization after IQ combination. The invention also discloses an intermediate frequency demodulation card comprising the FPGA chip and a satellite data transmission ground detection test intermediate frequency receiver comprising the intermediate frequency demodulation card. The receiver has relatively high demodulation performance and relatively high universality.

The invention discloses a washing-sectional photochemical integrated odor purifying device and a method thereof. The method comprises the following steps: allowing an odor to enter an ultraviolet lamps-prepositioned pretreatment system, and pretreating to reach the equilibrium rectification of an odor flow; allowing the odor to go through a W-shaped dry filter and enter the washing zone of the integrated device, and carrying out spray adsorption; and allowing the odor to enter an photochemical deodorizing zone, carrying out deep deodorizing, and thoroughly mineralizing offensive odor molecules under the combined action of ultraviolet lamps and a photo-catalyst to form carbon dioxide and water in order to finally realize the standard reaching discharge of the odor. The method and the integrated device have the characteristics of small investment, low operation cost, small land occupation area, high treatment efficiency, wide application range, strong upgradability, and simple operation, maintenance and management.

The invention relates to an air quality monitoring node based on ZigBee wireless technology. The traditional equipment has high cost and limited monitoring range. The air quality monitoring node of the invention comprises a power management module, an air quality parameter acquiring module, a microprocessor module and a ZigBee wireless communication module, wherein the power management module supplies power for the air quality parameter acquiring module, the microprocessor module and the ZigBee wireless communication module; a plurality of transducers in the air quality parameter acquiring module output signals to the microprocessor module after being converted by an I / V switching circuit; and the ZigBee wireless communication module is connected with a serial peripheral interface of the microprocessor module. The invention has the advantages of strong real-time property, multiple data types, wide covering area, strong communication capacity and high transmission speed.

The invention provides a filtering locking method and a filtering locking system, which belong to the field of optical integrated communication, and aim to solve the problems that the cost and the complexity of a circuit are improved and the extraction of scrambling information is difficult to realize along with the increase of wave number in the prior wavelength locking technology. The filteringlocking method and the filtering locking system reduce the area of a circuit board and the complexity of a control circuit by using a method of centralized wavelength locking with single scrambling injection in an optical integrated device and an optical integrated circuit; the filtering locking method and the filtering locking system accurately extract a weak scrambling signal through a mode of combining analog filtering with digital filtering; and when the frequency of a disturbance signal changes, a digital filter can finish the extraction of the disturbance signal by only adjusting corresponding parameters, which has strong portability and upgradability. For more than two of cascade connection of PIDs / PICs of a multi-wavelength module, the method can be adopted to share a filtering locking device to share a time-division multiplexing mode to perform wavelength locking on more than two optical waves.

In the field of photonic integrated communication, a method and an apparatus for filtering locking are provided, so as to solve the problem in the conventional wavelength locking technology that any increase of the wave number also incurs increases in costs and circuit complexity, and it is difficult to extract dithered information. The method and apparatus for filtering locking employ a centralized wavelength locking method of injecting a single dither to a Photonic Integrated Device (PID) / Photonic Integrated Circuit (PIC), thereby reducing circuit board area and control circuit complexity. A weak dither signal can be accurately extracted by means of a combination of analog filtering and digital filtering. The technical solution is appropriate for use in photonic integrated systems in which two or more PID / PIC chips with multi-wavelength modules are cascaded.

An electrohydraulic servo control system used to simulate automobile road is prepared as connecting input end of industrial computer to output end of displacement transducer and connecting their output ends to input ends of proportion-integration-differential circuit, connecting output end of proportion-integration-differential circuit to input end of servo valve driver, connecting output end of servo valve driver to input end of servo valve, connecting output end of servo valve to input end of actuator and connecting output end of actuator to input end of displacement transducer.

The invention discloses a control method of an intelligent memory card. The invention fully utilizes the existing bus resource of the memory card and is additionally provided with a value added application module in the memory card, thereby being capable of implementing the function expansion by the value added application module, being convenient to have the value added service expansion of the value added service operator, and having stronger compatibility and scalability. Otherwise, the invention implements the management of the intelligent memory card via command data package by the application program, thereby being capable of guaranteeing the normal operation of the intelligent memory card.

The invention discloses a safe starting method and device. The method comprises the steps: in a second memory, loading a second program through a first program, wherein the first program is stored ina safe address space of a first memory; loading an operating system through the second program in a common address space of a third memory; loading a third program through the second program in the safe address space of at least one of the second memory and the third memory; and reading the encrypted data in the file system of the operating system into the safe address space of the third memory through the third program. Loading and decryption of large-scale security data can be realized while hardware resource requirements of an SRAM and the like are reduced, leakage of chip security data isprevented, illegal attacks are avoided, and the security of devices such as a chip and the like is improved while the system cost is reduced.

The invention relates to the fields of product abnormal sound and noise detection and product sound characteristic detection, in particular to an intelligent product abnormal sound and noise detectionmethod. The intelligent product abnormal sound and noise detection method includes an intelligent acquisition unit and an upper computer, wherein the intelligent acquisition unit comprises a hardwarecircuit, and the hardware circuit includes a power circuit, a processor circuit, a memory circuit, a clock circuit, a voltage reference circuit, a modular inlet interface circuit with a constant current source power supply, an analog-digital conversion ADC circuit and a communication interface circuit. The intelligent product abnormal sound and noise detection method solves the problem of the limitation of traditional subjective judgment relying on the human ears in the field of sound detection, overcomes the limitation of simply comparing the sound volume with the sound level, enables the evaluation index of the sound to be multidimensional, and can adopt various methods of modern signal analysis to study the nature of sound / abnormal sound and noise from various perspectives; and the intelligent product abnormal sound and noise detection method plays an important role in promoting complete machine fault positioning, complete machine operating state detection, product quality detection and product early-stage hidden danger detection based on abnormal sound and noise.

The invention relates to an aviation big data intelligent analysis method based on remote embedded data collection. According to the method, aviation big data is utilized to analyze and monitor the health condition of an aircraft and carry out fault diagnosis. Through the method, on the one hand, integration of multiple monitoring means such as onboard videos, audio, a warning system and a flightparameter system is realized, and a system can record and store more flight data; and on the other hand, aviation big data application software is embedded into an airborne computer system to realizereal-time monitoring of the aircraft, meanwhile, the application software is continuously upgraded according to the latest research achievement, and the data stored in the system also can be subjectedto trend analysis on the ground in combination with historical data and can be utilized again in teaching and scientific research work.

The invention relates to an embedded type sensing server and a data control method thereof. A server is embedded into an embedded type system and is used as an embedded server; a sensor is accessed into an expansion board; a plurality of multi-channel expansion boards can be connected; an embedded type server main board is connected; a central server is further connected; and finally a sensing service network platform is connected finally. The data control method comprises the following steps: after the sensing server is powered on, the sensing server embedded type system and an acquisition module are started; the central server is connected actively; a handshake protocol is transmitted to the central server so as to start normal data acquisition circulation; and after the central server receives a formative data result transmitted by a sensing server device, the public issuing of the data is carried out at the sensing service network platform uniformly. The embedded type sensing server provided in the invention can be connected with various sensor devices; and moreover the sensing device data can be uploaded actively; after the local data are processed, the data are transmitted to the central server or a platform databank through various transmission modules, so as to interact with a client.

An improved line replaceable unit (LRU) of modular design for aerospace applications that has a plurality of removable LRU modules to enhance manufacturability, serviceability, interchangeability and upgradeability of the LRU.

The invention discloses a reservoir bank hydro-fluctuation belt landslide and collapse array-type early-warning system, which comprises a 3*3 array composed of tilted alarms. Each tilted alarm is connected with a total control device through a wire. Each tilted alarm comprises a shell, wherein a power supply device and a monitoring device which are connected with each other are arranged in the shell from top to bottom in sequence, and a fixing part is connected to the lower end of the shell. When the water level of a reservoir is lowest, namely a hydro-fluctuation belt is in the maximum exposed area state, the reservoir bank hydro-fluctuation belt landslide and collapse array-type early-warning system can be arranged in a reservoir bank hydro-fluctuation belt area with the landslide or collapse risk; once a soil body is tilted or displaces, the resistance value of photoresistors is changed along with the change of the illumination intensity due to tilting, at the moment, a micro-current electric signal receiver transmits information to a processing module, after processing and identification, early-warning information is issued through a transmitting module, residents are helped toevacuate in time, reservoir management personnel are informed to conduct disposal, and the loss of life and property is avoided.

The invention relates to a sewage treatment electronic control system based on SOPC technique, consisting of a CPU mainboard module, a plurality of subboard IO expansion relays, a plurality of subboard IO expansion modules and a dipolar private bus. The CPU mainboard module realizes bidirectional connection with the plurality of subboard IO expansion relays through the private bus; and each subboard IO expansion relay realizes bidirectional connection with the plurality of subboard IO expansion modules through the private bus. The invention has strong reliability, ensures strong functional expandability and upgradability by adopting an FPGA structure described by hardware, achieves hundreds of thousands of controllable digital amount I / O interfaces and analog amount I / O interfaces of a controller for users to expand easily, and overcomes the defect of low I / O cost performance of general programmable controllers.

The invention discloses a single body effect target device suitable for measurement of target shock wave pressure of a movable explosion field. The effect target device is mainly characterized by being composed of a base, a response membrane, a pressing ring, a buffering pad, a bottom cover and pressing bolts; external shock waves act on the effect target device and a working area of the responsemembrane, so that the response membrane is plastically deformed and sunken towards a lower sealing hole, the maximal deflection value is measured, and the pressure peak of the shock waves is obtainedaccording to a dose-effect relationship of deformation of the membrane and the effect of the shock waves. The device has the significant advantages that the mass and size of the effect target device are greatly reduced, movement and disassembly are facilitated, the processing cost can be reduced at the same time, and the processing period can be shortened; the effect of fixing the response membrane is reinforced, the area where the response membrane is plastically deformed is controlled, and the measurement precision of the shock wave pressure is guaranteed on the condition that the mass of the device is reduced; a deflection testing unit interface is reserved for the response membrane, the upgradability of a shock wave pressure effect target of the movable explosion field is improved, andthe requirement of the target of the movable explosion field for the measurement of the shock wave pressure is met.

The invention discloses a simulation training system control device used for the airplane composite safety specialized technical personnel training, which relates to a device related to the airplane composite safety used on the ground. The device is composed of a simulation cabin, a main control computer and an interface system, a monitoring demo station and the like, integrally uses the virtual panel control technique, the stand-alone multi- touch screen control technique, uses a display to replace part of the print board assembly to complete the aircraft cockpit panel simulation, performs the control display of the three-dimensional simulating instrument on the display, which can performs a plurality of state working simulating training, the operating simulating training of the detection device, the simulating training of the troubleshooting skill and part of the accessory dismounting, realizes the multi-profession, multi-subject training of the airplane composite safety, and has high cost performance, good maintainability, strong upgrading capability.

The invention relates to a method for adjusting and controlling a melt separation titanium slag crystallization phase. According to the method, the components of titanium slag are adjusted and controlled to comprise, by weight, 40-70% of TiO2, 4-18% of MgO, 4-18% of Al2O3 and a reducer, wherein the weight ratio of the reducer to TiO2 is 0.01-0.15; and the titanium slag is heated to be melted, after complete reacting, the temperature is decreased to be 1300-1500 DEG C at the speed rate of 0.1-20 DEG C / min for quenching treatment so as to obtain the melt separation titanium slag. According to the method for adjusting and controlling the melt separation titanium slag crystallization phase, through adjusting and controlling over the components and controlling over the crystallization process,anosovite becomes a sole precipitated phase of the melt separation titanium slag, the TiO2 grade of an anosovite titanium-rich phase in the melt separation titanium slag is high, the grain size is large, the mineral phase structure is compact, the single separation degree is high, and after subsequent treatment, the high-grade titanium slag with the TiO2 grade being 76% or above can be obtained. According to the method for adjusting and controlling the melt separation titanium slag crystallization phase, the requirement of a sulfate process titanium dioxide technique for the titanium slag grade is met, and the method is suitable for industrialized application.

The invention discloses a case. The case includes a case shell, at least one power source and main board interfaces. The case is characterized by further comprising a first set of slot and a second set of slot, first expansion cards are respectively inserted into the first set of slot and the second set of slot, and a first expansion card is inserted into the second set of slot; second card inserting ports are formed at the positions, away from first card inserting ports of the first expansion cards at the first height, of the first expansion cards; the second card inserting ports are used forvertically inserting into slots in the first faces of second expansion cards; first graphics processor slots and second graphics processor slots are formed in the second faces of the second expansioncards; the slot directions of the first graphics processor slots and the second graphics processor slots are opposite.

The invention relates to copper zinc tin sulfur quantum dots and a preparation method thereof, and belongs to the field of novel nanometer materials. 1-10 g of copper zinc tin sulfur quantum dots are contained in a solution per 100 mL, and the particle size of the quantum dots ranges from 3 nanometers to 20 nanometers. The method comprises the steps that firstly, copper salt, zinc salt, tin salt, alkyl sulfhydryl and fatty amine are added into a three-mouth flask, stirring and heating are performed in an opening system at the temperature of 180 DEG C for a reaction for 5 min, then the solution is cooled to 60 DEG C, and a quantum dot solvent and a quantum dot precipitant are added to obtain a turbid solution. Centrifugal is performed on the turbid solution in a centrifugal machine for 10 min, and the quantum dot solvent is added into obtained precipitates. All the adopted raw materials are low in cost, and the copper zinc tin sulfur quantum dots are rich in content and low in toxicity, greatly lower the reaction cost and are particularly applicable to mass production.

The invention discloses a car computer system which comprises a computer host platform, which is powered by the car power system; the power system connects with the battery and the electricity generator, in order to transform the voltage into the one proper to the PC; the platform includes the standard PC mating parts. The system also has an extending box containing a extend card, and the box connects with the PC with data wire. The system can be upgraded easily.