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1646 results about "Control bus" patented technology

In computer architecture, a control bus is part of the system bus, used by CPUs for communicating with other devices within the computer. While the address bus carries the information about the device with which the CPU is communicating and the data bus carries the actual data being processed, the control bus carries commands from the CPU and returns status signals from the devices. For example, if the data is being read or written to the device the appropriate line (read or write) will be active (logic one).

Modular parallel-pipelined vision system for real-time video processing

A real-time modular video processing system (VPS) which can be scaled smoothly from relatively small systems with modest amounts of hardware to very large, very powerful systems with significantly more hardware. The modular video processing system includes a processing module containing at least one general purpose microprocessor which controls hardware and software operation of the video processing system using control data and which also facilitates communications with external devices. One or more video processing modules are also provided, each containing parallel pipelined video hardware which is programmable by the control data to provide different video processing operations on an input stream of video data. Each video processing module also contains one or more connections for accepting one or more daughterboards which each perform a particular image processing task. A global video bus routes video data between the processing module and each video processing module and between respective processing modules, while a global control bus provides the control data to / from the processing module from / to the video processing modules separate from the video data on the global video bus. A hardware control library loaded on the processing module provides an application programming interface including high level C-callable functions which allow programming of the video hardware as components are added and subtracted from the video processing system for different applications.
Owner:SARNOFF CORP

Hybrid cloud computing system based on cloud bus and realization method of hybrid cloud computing system

The invention discloses a hybrid cloud computing system based on a cloud bus and a realization method of the hybrid cloud computing system. The system is based on a local private cloud, one or more public clouds are integrated, the internal constitution of the local private cloud is consistent with that of the public cloud, both the internal constitution of the local private cloud and the internal constitution of the public cloud comprise an infrastructure, a virtualization layer, a cloud platform layer, a cloud bus layer, a cloud application layer, a management center and a storage center, wherein the hardware resources on a bottom layer are grouped into a virtual cluster through the infrastructure and the virtualization layer so as to provide different virtual resources to the superior layer; the cloud platform is used for operating a web application program or a service and utilizing an open interface to carry out the secondary development and application integration; and the cloud bus layer is used for managing and monitoring various services on the cloud platform layer and is a hub for connecting the cloud application layer and the cloud platform layer, and the cloud bus layer is established on the basis of SOA (service oriented architecture) concept and comprises a control bus, a plurality of node buses and an adapter. Due to the adoption of the hybrid cloud computing system, the migration of the existing IT (internet) environment of an enterprise to a cloud computing environment can be accelerated, the investment can be reduced, and the resource can be adequately utilized.
Owner:SOUTH CHINA UNIV OF TECH

Vehicle real-time information system based on the third-generation mobile communication

The invention relates to a vehicle comprehensive information system based on the third-generation (3G) mobile communication, comprising a server and a vehicle-loaded terminal communicating with each other via a 3G network. The vehicle-loaded terminal comprises a vehicle bus interface module, a 3G mobile communication modem module and an embedded-type control module, and the server comprises an information receiving module, an information storage module, a function module and an information issuing module. The vehicle bus interface module is accessed to an inside control bus of a vehicle through an OBD interface, obtains the vehicle running information and transmits the information to the embedded-type control module; the embedded-type control module obtains and processes the vehicle running information and communicates interactively with the server through the 3G mobile communication modem module connected with the embedded-type control module; the information reception module receives the information of the vehicle-loaded terminal transmitted by the 3G network; the information storage module stores the information of the information receiving module and the application information; the function module is used for realizing the application functions of vehicle positioning, map navigation, real-time path plan, theft prevention of vehicles and the like; and the information issuing module is used for transmitting information provided by the server to the vehicle-loaded terminal.
Owner:赵阳 +2

TCP online quick calibration method and device applied to industrial robot

The invention discloses a TCP online quick calibration method and device applied to an industrial robot. The device comprises a control cabinet, a TCP calibration device, the industrial robot, a terminal tool and control buses; the control cabinet is separately connected with the TCP calibration device and the industrial robot through the control buses; the terminal tool is mounted on the industrial robot; the TCP calibration device includes a TCP detecting device, a calibration controller and a mounting base; the TCP detecting device is fixedly mounted on one side of the industrial robot through the mounting base; and a measuring plane is parallel to a XOY plane of an industrial robot base coordinate system. According to on-off signals of a correlation photoelectric sensor, the pose data of a flange is recorded, and the pose deviations of the terminal tool in X/Y axis and Z axis directions are calculated and compensated; and through multiple times of repeated operations, the TCP calibration errors are reduced, the operation precision of the industrial robot is effectively improved, the stop maintenance time of the industrial robot is reduced, and the automation degree of an industrial production line is improved.
Owner:南京速之海自动化设备有限公司

Convolutional-neural-network accelerating system based on field-programmable gate array

The invention discloses a convolutional-neural-network accelerating system based on a field-programmable gate array. The convolutional-neural-network accelerating system comprises a general processor,the field-programmable gate array, a storage module, a data bus and a control bus, wherein the general processor is a soft core of a reduced instruction set, and is responsible for starting an accelerator, being in communication with a host terminal, conducting time measurement and the like; a DDR3 DRAM serves as an external storage of the accelerator system; an AXI4-Lite bus is used for demand transmission, and an AXI4 bus is used for data transmission; the field-programmable gate array comprises multiple processing engines (PE), and each processing engine adopts a most-suitable fragment unfolding strategy to correspond to calculation of one layer in the convolutional neural network; all the processing engines are mapped onto a same FPGA chip, and therefore different layers can simultaneously work in a production line mode. Compared with an existing convolutional-neural-network accelerating system, the convolutional-neural-network accelerating system based on the field-programmable gate array can obtain higher energy efficiency benefit.
Owner:SUZHOU INST FOR ADVANCED STUDY USTC

Gatherer device of wireless ad-hoc network meter reading system, and operation method

A gatherer device of wireless ad-hoc network meter reading system comprises a processor unit, a 485 bus interface unit, a wireless transmitting-receiving unit, and a power supply managing unit; wherein the processor unit is responsible for operation and control of the whole device, the 485 bus interface unit is used for connecting one or multiple electric meters, the wireless transmitting-receiving unit is responsible for interacting data and commands with a concentrator of the wireless ad-hoc network meter reading system, and the power supply managing unit supplies power for the whole device. An operation method of the gatherer device comprises that a command is received by the wireless transmitting-receiving unit and transmitted to the processor unit for processing, that the processor unit sends a request frame to an electric meter, that the processor unit receives a response frame from the electric meter and analyzes the response frame to acquire information of electricity consumption, and that finally the information of electricity consumption is returned to the concentrator through the wireless transmitting-receiving unit. The device and the method in the invention solve problems that the prior micropower wireless communication meter reading manners have much channel interferences, and are relatively low in security, relatively short in communication distances and not well in penetrating capabilities. Furthermore, the device has the advantages of low cost, high cost performance, good instantaneity, safety and reliability, and use and maintenance conveniences.
Owner:NANJING TOP NODES SENSOR NETWORKS TECH +1
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