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186results about How to "Function independent" patented technology

Optical image-based position tracking for magnetic resonance imaging applications

An optical image-based tracking system determines the position and orientation of objects such as biological materials or medical devices within or on the surface of a human body undergoing Magnetic Resonance Imaging (MRI). Three-dimensional coordinates of the object to be tracked are obtained initially using a plurality of MR-compatible cameras. A calibration procedure converts the motion information obtained with the optical tracking system coordinates into coordinates of an MR system. A motion information file is acquired for each MRI scan, and each file is then converted into coordinates of the MRI system using a registration transformation. Each converted motion information file can be used to realign, correct, or otherwise augment its corresponding single MR image or a time series of such MR images. In a preferred embodiment, the invention provides real-time computer control to track the position of an interventional treatment system, including surgical tools and tissue manipulators, devices for in vivo delivery of drugs, angioplasty devices, biopsy and sampling devices, devices for delivery of RF, thermal energy, microwaves, laser energy or ionizing radiation, and internal illumination and imaging devices, such as catheters, endoscopes, laparoscopes, and like instruments. In other embodiments, the invention is also useful for conventional clinical MRI events, functional MRI studies, and registration of image data acquired using multiple modalities.
Owner:SUNNYBROOK & WOMENS COLLEGE HEALTH SCI CENT

Tower type solar heat power generation system with double-stage thermal storage

The invention relates to the technical field of solar energy thermal power generation and discloses a tower-typed solar energy thermal power generation system with two-stage thermal storage. The system at least comprises a photo-thermal conversion subsystem, a two-stage thermal storage subsystem and a power subsystem; wherein, the photo-thermal conversion subsystem is used for receiving and converging solar radiation energy, converting the received solar radiation energy into heat energy, and transmitting the heat energy to the power subsystem or the two-stage thermal storage subsystem; the two-stage thermal storage subsystem is used for storing the heat energy input by the photo-thermal conversion subsystem and providing the heat energy for the power subsystem when the solar radiation energy is not enough; the power subsystem is used for converting the received heat energy into electrical energy and outputting the electrical energy. By adopting the invention, the problem that the steam is difficult to store is solved, and the difficulty that the running of a steam turbine in the previous tower-typed solar energy thermal power generation proposal by taking the steam as heat absorption working substance is influenced by the unstable and discontinuous solar radiation is overcome.
Owner:江苏中国科学院能源动力研究中心 +1

Avionics system suitable for multi-purpose unmanned aircraft

The invention discloses an avionics system suitable for a multi-purpose unmanned aircraft. A 1553B dual-redundancy bus framework is adopted in the avionics system. The avionics system consists of a main processor unit, a universal interface unit, a 1553B bus, a mass memory, an airborne monitoring terminal, a task load, an execution mechanism and a sensor assembly. The devices have the connection relationships that: the main processor unit, the universal interface unit, the mass memory, the airborne monitoring terminal and the task load are connected with the 1553B bus through a 1553B special electric connector, and the 1553B special electric connector serving as a bus module connects all the devices attached to the bus together; a steering engine controller is connected with the universalinterface unit through an RS422 interface; and the sensor assembly is connected to the universal interface unit through interfaces of serial RS422/RS232/RS485, an ARINC429 bus, a CAN, analogue AD/DA and discrete DIO and the like. The avionics system has the characteristics of strong multi-task expandability, multi-redundancy high reliability, rich data interfaces and strong calculation and processing capabilities, and can well meet the application requirement of 'one platform and multiple purposes' of the unmanned aircraft.
Owner:BEIHANG UNIV

Accurate and rapid road violation and parking full-automatic snapshot system

InactiveCN107705574AAccurate and rapid detection recordsRapid detection recordRoad vehicles traffic controlVideo monitoringVehicle dynamics
The invention provides an accurate and rapid road violation and parking full-automatic snapshot system. The system comprises a front-end monitoring point part, a network transmission part and a centermanagement unit. The vehicle detection technologies mainly comprise the vehicle dynamic detection technology and the vehicle tracking technology. A matched vehicle tracking method is estimated by utilizing the motion detection method based on time-based motion historical images and feature-point optical flows. In order to achieve a better motion detection effect, a shadow removing method is usedand a moving vehicle is more accurately detected. The multi-feature point optical flow detection tracking mode is adopted, and the tracking accuracy is obviously improved in combination with a vehicleshielding solution. The system is powerful in function and is sufficient to meet the requirements of various application occasions. By adopting the system, the functions of the remote control on a ball machine at a front end monitoring point, the previewing of the video monitoring, the automatic detection of the illegal parking, the automatic identification of license plate numbers, the association of the high-definition video recording with illegal behavior videos, the storage and the browsing of the vehicle information, the system management, the remote maintenance and the like are realized.
Owner:荆门程远电子科技有限公司

Multi-train rank longitudinal control method based on vehicle-vehicle communication

The invention discloses a multi-train rank longitudinal control method based on vehicle-vehicle communication. The method comprises the following steps that: 1) each vehicle senses the motion state information of the vehicle per se and sends the motion state information to other vehicles in a broadcasting mode, and after each vehicle receives the state information of other vehicles, it is determined whether the vehicle meets the formation condition or not; 2) a pilot vehicle sends a team formation request, and vehicles meeting the formation condition start to form a team; 3) vehicle-vehicle communication devices of each vehicle obtain respective sensor information, and package the sensor information into a data stream to be broadcast to other vehicles; 4) an upper layer controller of eachfollowing vehicle calculates the expected acceleration and the expected speed of the vehicle according to the pilot vehicle state information, the front vehicle state information and the sensor information of the vehicle per se obtained by the vehicle-vehicle communication devices; 5) a lower layer controller of each following vehicle receives the expected speed or acceleration from the upper layer controller to complete the control and tracking of the longitudinal speed of the rank. The method can obviously improve the adaptability of the motorcade under complex working conditions.
Owner:WUHAN UNIV OF TECH

Traffic monitoring image-based automatic detection system for safety belt non-fastening behavior of driver

InactiveCN107944341AInhibit road behaviorCultivate good driving habitsImage enhancementImage analysisFace detectionBelt safety
The invention provides a traffic monitoring image-based automatic detection system for a safety belt non-fastening behavior of a driver. The system comprises a module for extracting a to-be-detected region of the safety belt and a module for judging whether the driver fastens the safety belt or not; the module for extracting the to-be-detected region of the safety belt comprises a license plate detection sub-module, a driver region extraction sub-module, an image enhancement sub-module, a human face detection sub-module and a safety belt detection region extraction sub-module; the module for judging whether the driver fastens the safety belt or not adopts a straight line detection-based safety belt judgment method; and the straight line detection-based safety belt judgment method is used for detecting an edge straight line section of the safety belt by using a Canny edge detection algorithm and a progressive probabilistic Hough transform straight line detection algorithm. The safety belt non-fastening behavior of the driver can be accurately and quickly detected and recorded, so that the disadvantages of high labor cost of manual identification, easy fatigue, easy negligence and the like are effectively overcome, and the safety belt non-fastening driving behavior of the driver is effectively inhibited.
Owner:荆门程远电子科技有限公司

Double-stage heat storage trough type solar thermal power generation system

The invention discloses a double-stage heat storage trough type solar thermal power generation system. The system comprises a double-stage trough type solar heat collection field, a double-stage heat storage sub-system and a power generation sub-system. The double-stage trough type solar heat collection field comprises a high-temperature heat collection field and a low-temperature heat collection field and is used for receiving and collecting solar radiation energy. The high-temperature heat collection field is used for converting the collected solar radiation energy into heat of high-temperature heat conducting oil. The low-temperature heat collection field is used for converting the solar radiation energy into heat of low-temperature heat conducting oil. The double-stage heat storage sub-system comprises a high-temperature heat accumulator and a low-temperature heat accumulator. The high-temperature heat accumulator is used for storing the high-temperature heat conducting oil output by the high-temperature heat collection field. The low-temperature heat accumulator is used for storing the low-temperature heat conducting oil output by the low-temperature heat collection field. The power generation sub-system is used for converting the heat of the heat conducting oil into steam, converting the steam into electric energy and outputting the electric energy. By using the system disclosed by the invention, a problem of reduction of heat collecting efficiency resulted from high average heat absorption temperature of a mirror field is resolved; furthermore, problems of high high-temperature resistance performance of the mirror field to the conducting oil, high investment of the conducting oil and high power generation cost are resolved.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI

Control apparatus for LED lamp, and intelligent LED lamp

The invention discloses a control apparatus for an LED lamp. The control apparatus comprises a wireless module and a control processing module which are connected, wherein the wireless module receives lamplight setting information; the control processing module generates a corresponding adjustment control signal according to the lamplight setting information to control the lamplight of the LED lamp. In addition, the invention also discloses an intelligent LED lamp, wherein the intelligent LED lamp comprises the abovementioned control apparatus for the LED lamp, a driving module and an LED module; the driving module is connected with the LED module and the control processing module of the control apparatus separately, wherein the wireless module of the control apparatus receives the lamplight setting information; the control processing module generates the corresponding adjustment control signal according to the lamplight setting information; and the driving module receives the adjustment control signal from the control processing module to control the lamplight of the LED lamp according to the adjustment control signal. By adoption of the control apparatus for the LED lamp and the intelligent LED lamp, the luminance and color adjustment on the LED lamp and intelligent monitoring are realized, so that an effect of intelligent control, intelligent luminance and color adjustment and intelligent monitoring are actually achieved.
Owner:PHICOMM (SHANGHAI) CO LTD

Novel sea wave piezoelectric electricity generation device

The invention discloses a novel sea wave piezoelectric electricity generation device which comprises a floating body and a piezoelectric electricity generator. A supporting bottom plate is installed on the outer side of a supporting floating body, a supporting floating body bottom plate is installed on the inner side of the supporting floating body, four guide pillars are installed above the supporting floating body, the piezoelectric electricity generator is installed among the four guide pillars, a top plate is arranged at the top ends of the four guide pillars, and a bearing supporting plate is arranged on the lower portion of the four guide pillars. The piezoelectric electricity generator comprises a surrounding wall arranged among the four guide pillars, piezoelectric vibrators are arranged on the surrounding wall, a transmission shaft is provided with piezoelectric vibrators corresponding to the piezoelectric vibrators on the surrounding wall, permanent magnets are attached to the outer sides of the piezoelectric vibrators, the transmission shaft is connected with a wave energy collecting floating body, a brake device is arranged on a transmission bearing, and an energy storage spring is installed between the bearing supporting plate and the supporting floating body bottom plate. The novel sea wave piezoelectric electricity generation device can effectively prevent the problem of damage to the piezoelectric vibrators of the piezoelectric electricity generation device, and the wave energy utilization rate is increased through the rotary transmission shaft.
Owner:SHANGHAI DIANJI UNIV
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