380 results about "Embedded technology" patented technology

The invention provides a method and a system for detecting forest fire. The system is composed of a forest monitoring point which comprises a heavy-duty digital tripod head 1, a thermal infrared imager 2, a visible light camera 3, a micro-meteorological station 4, embedded video processing equipment 5 and a communication bridge 6, and a command and control center which comprises a telemonitoring computer 7 and a communication bridge 8, wherein, the two communication bridges are communicated by a microwave wireless Tcp/IP network. The fire detection work is sequentially performed by the following six major steps: (1) field data acquisition, (2) image data processing, (3) fire recognition and analysis, (4) transmission of recognition results, (5) fire probability assessment and (6) automaticfire early warning. The method and the system combines video compression and decompression technology, thermal infrared image recognition and analysis technology, visible light color image recognition and analysis technology, embedded technology, wireless communication technology, remote sensing (RS) technology and 3D geographic information system technology to automatically recognize forest fireand analyze fire strategies, thus the method and the system are characterized by high detection probability of forest fire, low false alarm rate, no artificial participation, strong timeliness, highreliability, advanced technological means and wide market prospects.

The invention relates to fields of small-size unmanned aerial vehicle control technologies, embedded technologies and Wi-Fi wireless data transmission. In order to reduce the power consumption and the size of a simulation system, solve the problems of high cost for multi-vehicle system wiring and interactive communication of all vehicles, and improve the real-time performance of the simulation system, the technical scheme adopted by the invention is as follows: a simulation and authentication device for a multi-unmanned-aerial-vehicle system comprises a model universal computer, a main control computer, a view display computer, an industrial control computer, a wireless AP (access point)/router and a Wi-Fi wireless communication module, wherein the industrial control computer and a CPU inside the main control computer are connected with the Wi-Fi wireless communication module through a serial port and perform communication through the wireless AP/router, and the wireless AP/router is connected with the main control computer through a network. The method and the device are mainly applicable to design and simulation of multiple unmanned aerial vehicles.

The invention relates to a speech information hiding secret communication system which organically integrates techniques, such as information hiding, passwords, communication, and the like. In the invention, MELP2.4KBps secret speech is hidden in the public speech of G.721, G.728, GSM and G.729 of a code-excited linear prediction code by connecting a public telephone network PSTN, mobile communication GSM/CDMA, videoconferences and a VoIP network and utilizing a speech information hiding and extraction algorithm, and a private channel is established in a public communication channel to carry out the real-time secret communication of secret speech information. The system adopts an embedded type technique based on DSP, and designs corresponding functional modules, such as speech coding and decoding, speech encryption and decryption, speech information hiding and extraction, and the like. Under the condition that a certain communication rate and a certain speech quality are ensured, secret speech real-time communication is carried out on various public channels, and the communication quality reaches the requirement of a communication standard.

The invention discloses a comprehensive practical training device for the Internet of things. The device comprises one or a plurality of general purpose sensor nodes, a coordinator, an embedded gateway, a computer and a practical training platform. The device focuses all the experiments on three platforms including a single chip, the embedded gateway and the computer, and gives the construction method of the environment of each platform and the basic experiments in details. The device can be used for professional course experiments and practical training of the applied technology of the Internet of things, and can be used for training of technology of the Internet of things. The comprehensive practical training platform for the Internet of things mainly provides service for professional teaching of the applied technology of the Internet of things, and aims at the experiments in courses such as wireless networking technology, Zigbee communication, embedded technology, visual programming and the like, fulfilment courses such as practical training of wireless networking of the Internet of things, practical training of embedded technology application, comprehensive practical training of technology of the Internet of things and the like, and innovation activities of students.

The invention discloses a system for intelligent home wireless control. The system comprises an embedded gateway core control module, a home application sub-system module, a GPRS (general packet radio service) module and a camera module. The invention further provides a method using the system for intelligent home wireless control. According to the system and method disclosed by the invention, the embedded technology and the Zigbee wireless communication technology of the things of Ethernet and the basic flow of the intelligent home control are combined to connect with a server at the cloud terminal through the internet network through a cloud computing technology, the cloud terminal synchronous upgrading of a central control system is realized, the real-time updating of human computer interface software is realized, the demands of normal domestic consumer on the technical parameters such as power consumption, distance, stability and the like are satisfied, and the humanized and intelligentized functions of the intelligent home system are realized.

This invention relates to a third generation network video monitor system which interconnects the front subsystem, the customer end subsystem and a central service plat form by the IP loading network, among which, the central service platform is composed of the national management center, the provincial/regional management center and the local center. The telecommunication service merchants provide network video monitor safety and warning service to the public.

The invention relates to a data analysis method and a data analysis system for e-commerce. The method comprises the following steps of: acquiring data to be analyzed and processed, and sampling the data to be analyzed and processed; storing the sampled data to be analyzed and processed into a database; selecting a corresponding preset mathematical model for the data to be analyzed and processed according to the user strategy; calculating, analyzing and processing the data to be analyzed and processed according to the corresponding preset mathematical model to obtain a calculated, analyzed and processed result; and performing commercial intelligent display on the calculated, analyzed and processed result. The embedded calculation, analysis and processing are performed on the data to be analyzed and processed by using a modern data-mining mature algorithm, a calculating center is solidified into a high-speed calculating special chip by adopting the embedded technology, and full base statistics of the database is not needed, so the calculation resource cost is reduced and the period from data analysis to data application is greatly shortened at the same time.

The invention relates to a distributed embedded real-time video stream processing system and method based on deep learning. A video data acquisition layer collects video data and carries out pretreatment through an ARM board; a video processing layer uses a deep learning algorithm to perform video processing on an embedded GPU processor cluster according to a specified video processing task; a GPU resource scheduling layer monitors GPU use conditions in the embedded GPU processor cluster in real time and carries out scheduling according to a scheduling policy; a storage layer uploads the processing result to a cloud storage server; and a service layer feeds back the result to a client in a visual manner. The distributed embedded real-time video stream processing framework based on deep learning combines video processing and deep learning, and realizes parallelization of video processing by utilizing distributed embedded technology to reach a real-time video processing effect; and by applying deep learning to the video processing, video processing accuracy is improved.

The embedded forest fire-warning system based on video detection includes one central monitoring station and monitoring points communicating through GPRS network. Each of the monitoring points includes monitoring CCD camera, embedded video processing device and GPRS data transmission module; and the central monitoring station has terminal controller to receive data package through network, decompress and display information. The present invention combines well digital image processing technology, embedding technology and radio communication technology for automatic fire distinction and transmission of essential data. The present invention has low system cost and high reliability, and is suitable for preventing fire in large forest area.

The invention is a large-scale flow industrial device field-level monitoring system based on wireless sensor network, belonging to industrial device remote monitoring and failure diagnosis field. And the system comprises: data collection wireless sensor nodes, data relay transmission backbone nodes, and gateway for collecting data and collecting data into enterprise intranet. According to different application requirements, it comprises the courses of: using the backbone nodes, sensor nodes or gateway as cluster heads to generate field-level data collection clusters and making collisionless data transmission from in-cluster nodes to cluster heads. And its advantages are convenient to install, wide application in wireless data collection mode by wireless communication and embedding techniques.

The invention discloses a greenhouse dripping and irrigating locale monitoring system based on a wireless embedded technology. A wireless capturing information node, a greenhouse locale wireless controller and a wireless control information node are formed into a star-shaped monitoring network; the wireless capturing information node transmits an environment parameter to the greenhouse locale wireless controller; the greenhouse locale wireless controller immediately displays and transmits a control order to the wireless control information node; and the wireless control information node drives a valve to move after receiving the control order. The greenhouse locale wireless controller transmits data to a mobile phone user through the GPRS/GSM network, and transmits the data to a central controller through various modes such as the Internet, the USB and the bus. The system abundantly makes full use of the advantages of a ZigBee short distance free wireless network and a GPRS/GSM long distance billing network, is more efficient with the embedded technology, greatly improves the monitoring function of the greenhouse locale, improves the irrigating efficiency, increases the crop yield, increases the yield for the user, and is suitable for the popularization and the application in large range.

The invention provides a method for building an embedded information management system of a parking lot, wherein being based on the ANPR (accurate number-plate recognition) technique, the information of the plate number, the entering and leaving time and the radio frequency card can be extracted, bound and stored at the same time. By using the cross-platform QT development library based on the C++ language, the information management system of the parking lot can be migrated into any operating system; and meanwhile, the embedded technique and XML (extensive makeup language) files are used to store and configure the system information and automobile information on an operating platform. The invention can obviously improve the operating performance of the system, greatly improve the safety of the automobile and the reliability of the system and standardize the interaction with the related external system.

The invention relates to the technical field of detection and analysis instruments and in particular relates to an automatic gas chromatographic control system. The automatic gas chromatographic control system comprises an automatic gas chromatographic instrument center controller, a networking and data communication interface, an automatic chromatographic data processing and controlling workstation and a chromatographic analysis database; the automatic chromatographic data processing and controlling workstation comprises a chromatogram map processing and analyzing module. According to the automatic gas chromatographic control system, an embedded type technique, a software component technique and a networking technique are used. Compared with the prior art, the automatic gas chromatographic control system has the advantages that the integration of the gas chromatographic control system in controlling, processing and analyzing process can be achieved, so that the integration of embedded type control, operation management, data acquisition, chromatographic processing and analysis and report form statistics of the gas chromatographic instrument is improved; the networking control and sharing of a chromatographic analyzer are achieved; the componentization and configuration of the controlling, processing and analyzing software of the chromatographic instrument are achieved, so that the novel function can be quickly expanded by the software of the chromatographic instrument in a building block manner according to the requirement change of users.

The invention provides a mini embedded controller device and method for simulating an SPI interface through an I/O port and relates to the embedded type technical field. The mini embedded controller device comprises a control center module, an SPI-A interface module, an SPI-B interface module and an on-line simulation debugging interface module, and the size of the mini embedded controller device is only 12 mm * 10 mm. According to the mini embedded controller device, a chip small in size, high in integration and small in pin number is adopted by the mini embedded controller device. The method comprises the steps of sequentially calling an SPI timing sequence initialization module and an SPI timing sequence analogue module when the device is used as a main device, and an SPI timing sequence initialization module and an SPI timing sequence analog module based on the interrupt processing technology when the device is used as a slave device. According to the device and the method, on the premise of meeting the requirements for the number of interfaces and the overall dimension, simulating of the SPI interface through the I/O port is realized with the low cost; when the mini embedded controller device is used as the main device or the slave device, full-duplex communication timing sequences under an SPI working mode can be realized; the interrupt processing technology is adopted, and therefore the reliability and the real-time property of communication can be improved.

The embodiment of the invention provides a method and a system for data transmission, wherein a TA layer sends a data transmission request to secure a driver layer and sends a first data stored in a first address space to a shared memory establishing a first mapping relationship with the first address space, the secure driver layer acquires the first data from the shared memory according to the received request and stores the first data in the second address space establishing a second mapping relationship with the shared memory;wherein the first mapping relationship and the second mapping relationship remain unchanged. The mapping relationship reduces the system overhead between the TA layer and the secure driver layer and improves the efficiency of communication. The method and system for data transmission relates to a field of embedded technology.

The invention belongs to the technical field of computer equipment and relates to a hardware real-time operation system. A timing manager is used for realizing time delay and periodic execution of a task through a hardware timer; a task manager is used for realizing operation management of a task control block queue; an event manager is used for realizing operation and management of a semaphore control block, a mutually exclusive semaphore control block, a semaphore set control block, a message mailbox control block and an event control block of a message queue control block; and a bus interface manager is used for realizing data transmission and control between a processor and the real-time operation system. The hardware real-time operation system has a reliable design principle, an advanced design concept and a scientific contract technical means, adopts a cross embedded technology and an integrated circuit technology to achieve a hardware real-time operation system IC (integrated circuit), effectively improves real-time performance, reliability and stability of the real-time operation system, and has wide development and application values.

The invention relates to a portable self-sensing and wireless image monitoring device and a using method thereof, in particular to an intelligent on-site image monitoring device and a detecting method thereof and belongs to the embedded technical field and the technical field of integrated circuit. The device is characterized by comprising an image acquisition module (1), a motion detection module (2), a moving vehicle module (3), an image compression module (4), an SD card data storage module (5), a wireless network transmitting module (6), a front-end power module (7) and a handheld display terminal (8). The image monitoring device can catch suspicious on-site situation intelligently and store the image in real time when in use, and remote monitoring can be realized by network transmission. The device and the method have the advantages and beneficial effects of low equipment cost, small volume, low power consumption, flexible design, good expandability, real-time intelligence and good market prospect, and the device can be mainly applied to theft proof, fire proof, and the like, in the family and temporary commercial or operation occasions.

The invention discloses a system and a method for rural information service and comprehensive management. The system comprises seven parts of a comprehensive management terminal system for rural information, an information management platform system, a distributed database group system, an expert and government agency management system, a network information search engine system, a shared short message platform and a rural comprehensive information website, wherein information communication is realized by the Internet and the 3G network, and seven parts are organically combined by taking the information management platform as the center. In the system, hardware equipment, such as the comprehensive management terminal system for rural information, the shared short message gateway, server and the like, can be used, and the embedded technology, the Internet technology, the distributed database technology, the search engine technology, the information acquisition and automatic classification technology, the multimedia information broadcasting technology, the e-commerce technology and the like are comprehensively integrated. In order to satisfy requirements on information by rural residents, convenient and quick real-time information-driven service and management can be provided, and real and accurate rural information is provided for governments to formulate the policy.

Online device for monitoring high AC voltage zinc oxide arrester with no gap includes three monitors, data collector, data processor, voltage comparator and computer. The three monitors are connected to ABC three phases of the arrester. Output ends are connected to data collector, data processor, voltage comparator properly. Output end of the data processor is connected to computer. The arrester is composed of lightning current sensor and converter of monitoring leakage current. Newest digital processing, embedding type techniques and communication technical measures are adopted to monitor arrester. Resistance current, relevant parameters, measured data and historic data can be printed out and alarmed. Features are reasonable design and high reliability.

The invention relates to a front-end processor of rail transit station equipment information based on embedded technology and a method. The front-end processor is positioned between an upper computer for central monitoring and middle control equipment. The control equipment sends packets according to own communication protocols, and the front-end processor transfers the packets into the uniform communication protocol and provides the standard TCP/IP interface for and outputs the protocol to the upper layer, thus realizing the function of protocol conversion. Configuration data are stored in the front-end processor and the front-end processor can be suitable for different system modes by being provided with configuration serial ports. The invention can more effectively manage the station equipment and the vehicle operation states, ensure the isomeric rail transit station equipment system to be isomorphic, provide bases and standards for network operation and maintenance of the rail transit and promote development of the domestic rail transit.

The invention relates to a portable switchgear partial discharge patrol detection system, which comprises a signal acquisition unit and a data processing unit. The signal acquisition unit comprises a plurality of partial discharge state signal acquisition instruments, and has the capability of signal acquisition, single-machine patrol detection and providing a simple on-site decision basis. The data processing unit comprises function modules of data extraction, data analysis and classification and separation and the like according to fault types. The portable switchgear partial discharge patrol detection system is characterized in that, through internet-of-thing technology, embedded technology and data mining technology, the system provides an overall plan for equipment state detection for operation and maintenance staffs; through bluetooth technology, signal acquisition units based on different partial discharge detection technologies and the data processing unit are networked for data transmission; and the data processing unit collects data of each acquisition unit and transmits the data to a regional server through WIFI. The system provides a more macroscopic and comprehensive decision basis, helps operation personnel to find equipment in an abnormal operating condition in time and prevents occurrence of major accidents.

The invention provides an intelligent refrigerator management system based on internet of things. The intelligent refrigerator management system comprises a refrigerator body, wherein the refrigerator body comprises a food information acquiring module, an embedded type intelligent management module and a food information output module, wherein the food information acquiring module is used for acquiring basic information of food which is to be stored into a refrigerator and/or has been stored into the refrigerator; the embedded type intelligent management module is used for sorting, counting and storing the acquired basic information of food; and the food information output module is used for outputting the sorted, counted and stored basic information of the food. According to the intelligent refrigerator management system based on internet of things, by utilizing an embedded type technology, the food information acquiring module, the embedded type intelligent management module, the food information output module and the like are integrated in the refrigerator body, so that management functions of information sorting, counting, storing and the like of food are provided.

The invention discloses an industrial robot product assembling method based on an internet of things. Combined with an RFID technology, a mobile communication technology and an embedded technology, the internet of things and a communication gateway thereof are established, the information of product parts to be assembled accesses an internet through a perception layer thereof, and the information obtaining, transmission and interaction among all elements in the production and manufacturing process are realized; and then production resources, client product demands and product part information are integrated, an information management center is constructed to manage the information of product parts to be assembled and the client product demand information, and based on the information and data, an operation distribution algorithm is generated for product part assembling. According to the invention, the utilization of production resources such as industrial robots is more reasonable, the production efficiency, the resource utilization rate and the intelligent degree of industrial robot operation are effectively improved, and a feasible scheme is provided for a future intelligent factory to basically realize intelligence and interconnection.