322results about How to "Reliable acquisition" patented technology

A question answering system includes a question input unit input to a question, a search unit, an anaphoric analysis unit, an information extraction unit and an answer candidate extraction unit. The search unit executes search processing based on the input question. The anaphoric analysis unit executes anaphoric analysis processing on a search result. The information extraction unit extracts sentences, which include expressions having a reference relation therebetween, as reference relation sentences, the reference relation determined by finding relation in an expressions of at least one of a noun phrase, a pronoun, and a zero pronoun between sentences in the search result on a basis of a result of the anaphoric analysis; selects a first candidate sentence from a passage obtained as the search result; and selects a second candidate sentence, which is the reference relation sentence of the first candidate sentence. The answer candidate extraction unit extracts an answer candidate.

This invention relates to a device for monitoring peccancy cars based on omnibearing vision sensors including a microprocessor, a monitor sensor monitoring road situations and traffic signal lamps, in which, the sensor, an omnibearing vision sensor, is connected with the microprocessor including: an image data read module, an image data file storage module, a sensor rating module, a virtual test line designing module, a designing module for roadway transit directions, a designing module for traffic signal lamp state test regions, an image spread process module, a color space transforming module, an adaptive background deduction process module, a connected region identification module, a moving car tracing module and a car paccancy judgment module with a road paccancy judgment unit for directions and a road paccancy judgment unit without roadway directions.

Disclosed is a system in which the status of a user is automatically inferred without relying on the user's manual input, and the so inferred status is displayed. The status of the user, making use of or holding a device, such as a mobile phone, is inferred from the use pattern of the device or from the information derived from sensors mounted to the device and the so inferred status of the user is issued as the presence information. On receipt of the information derived from the use pattern of the device or from sensors mounted to the device, the status calculation unit calculates the user's presence information based on calculating rules as held on a computation rule holding unit to issue the results as the presence information.

The invention provides a bridge structural health monitoring car. A mechanical hand capable of being bent to extend into the lower part of a bridge is arranged on the bridge structural health monitoring car, wherein at least one camera is arranged on the mechanical hand and used for collecting the image information of the bottom and the side face of the bridge; a high-precision GPS positioning device is arranged and used for determining a current detection position and measuring the line shape of the bridge surface; a bridge structure dynamic information collecting device is arranged and used for collecting the dynamic characteristic information data of the bridge structure; an information processing device is arranged and used for storing the image information collected by the cameras, the GPS data and the dynamic characteristic information data, judging the health conditions and the disease development conditions of the bridge structure according to the analysis and the comparison of the monitoring data of each time and definitely indicating the disease conditions and parts by visual images. The bridge structural health monitoring car can carry out health monitoring on a plurality of bridges at the same time.

An imaging apparatus comprising: an image acquisition unit configured to acquire an image; a depth map acquisition unit configured to acquire a first depth map; a working range map generation unit configured to generate a working range map showing a working range in the image on the basis of the first depth map; a synthesizing unit configured to synthesize the image and the working range map and to generate a synthesized image; and a display unit configured to display the synthesized image.

A percussion hammer drill and/or percussion hammer that can be guided by a handgrip comprises a pneumatic spring striking mechanism with a reciprocating drive piston and with a percussion piston that can be operated by the drive piston. A cavity for accommodating a pneumatic spring is provided between the drive piston and the percussion piston. The cavity can be connected to the surrounding area via a no-load operation channel in order to achieve a no-load operation. This this end, a valve is situated inside the no-load operation channel and can be controlled according to an application force that can be applied to the handgrip by the operator.

The invention discloses an economical airborne oblique digital aerial photography system, which is composed of eight parts including front, back, left and right oblique photographing units, one vertical photographing unit, a connection base plate, a micro GPS (Global Position System) navigator and a system controller. Each photographing unit is composed of a CCD (Charge Coupled Device) working camera, a camera fixing piece, a camera rotating base and a camera protection cover, the four oblique photographing units can rotate at multiple angles around the plane of the connection base plate, and the vertical photographing unit is vertically fixed on the plane of the connection base plate; and a camera control line and a power line are connected with the system controller through a distributing box, and a data output port of the GPS navigator is connected with the system controller. Except for the controller, the parts of the system are fixed on the connection base plate, and the system realizes isochronous or equidistant photographing and synchronous acquisition of GPS navigation data through the system controller. The economical airborne oblique digital aerial photography system overcomes the defects that the conventional aerial photography is lack of image facade information, the existing oblique aerial photography system is expensive, and the like, and can effectively meet the requirements on rapid acquisition and application of urban geographic information.

An exhaust gas recirculation device of an internal combustion engine (1) including a low-pressure EGR passage (20), a high-pressure EGR passage (21), a low-pressure EGR valve (23) and a high-pressure EGR valve (24) further includes an air-fuel ratio sensor (12) that is disposed in the exhaust passage (4) upstream of the position of its connection with the low-pressure EGR passage (20). In the case where a predetermined fuel-cut condition is satisfied, an ECU (30) estimates the flow amounts of exhaust gas flowing in the low-pressure EGR passage (20) and the high-pressure EGR passage (21), on the basis of the oxygen concentrations acquired by the air-fuel ratio sensor (12) at timings at which the exhaust gases recirculated into the intake passage (3) via the low-pressure EGR passage (20) and via the high-pressure EGR passage (21) reach the air-fuel ratio sensor (12), respectively.

A mammographic system as a radiation image capturing apparatus includes a radiation source for emitting a radiation, AEC sensors for detecting the radiation emitted from the radiation source and acquiring radiation image information for exposure control, a mammary gland position identifier for selecting at least one of the AEC sensors for outputting given radiation dose information based on the radiation dose information acquired by the AEC sensors thereby to identify a mammary gland position as a region of interest of a subject, a weighting coefficient allocator for multiplying output signals from the AEC sensors before the mammary gland position is identified by the mammary gland position identifier, by respective weighting coefficients depending on the installed positions of the AEC sensors, and a radiation source controller for controlling the radiation dose applied from the radiation source to the identified mammary gland position.

The invention relates to a small-target surface vertical target dispersion photoelectric measurement device. The traditional contact measurement method has the problems that the labor intensity is high, the measuring results are greatly influenced by manual work, and particularly repeated holes cannot be identified and the measuring results cannot be provided in real time. A laser light source assembly is arranged symmetrically on the lateral surface of a linear array CCD camera, an emergent main axis of the laser light source assembly is coplanar with a main axis of the linear array CCD camera, and an original-direction reflecting film is opposite to the linear array CCD camera and vertical to a light curtain sent by the laser light source assembly. The device adopts an integrated structural design, forms the light curtain converged relative to the CCD camera by matching the laser assembly of a small-power semiconductor laser and the low-cost original-direction reflecting film, reliably acquires the information of positions where bullets pass through the light curtain, effectively solves the problems of unstability and low sensitivity of light used indoors during a CCD convergence test, and has the advantages of convenient installation and debugging, simple structure, and high safety of personnel and equipment.

A data remote collection system of vehicle CAN bus is prepared as using mobile communication module to carry out data interaction with central server and microprocessor, using microprocessor to control CAN controller and storage both being connected with said microprocessor, connecting CAN controller to CAN transceiver for obtaining data on CAN bus. Its data collecting method is also disclosed.

The present invention is a method and apparatus for the viewing and acquisition of images of a document such as a book. The apparatus allows for the automated and reliable turning of pages of the document, while supporting it in a manner to facilitate imaging of the facing pages. In one embodiment, the apparatus includes a base for supporting the operative assemblies and components of the apparatus, a cradle assembly for holding a book, and a page turning assembly for presenting the pages to be imaged in seriatim. The method employed by the present invention involves the steps of turning pages, clamping pages and imaging, wherein the various components of the apparatus are operated to carry out the page turning and imaging functions in sequence.

The invention relates to a road monitor based on omni-bearing vision sensor, which comprises a microprocessor and a monitoring sensor used to monitor the road condition, wherein the monitoring sensor is an omni-bearing vision sensor; it uses the vision sensor to monitor the running vehicle and transmits the shot continuous omni-bearing pictures to the computer, which can measure the speed of the vehicle and statistics the vehicle amount by picture preprocessing, color space transferring, vehicle testing, vehicle speed testing and background updating and so on.

A method for determining residual stresses of a component (14), in particular a component of an aircraft engine, while it is being manufactured by an additive manufacturing process. The method includes the following steps: creating at least one local melt pool (26) in a surface (24) of the component (14) to be manufactured after a predetermined portion of the component is completed; optically detecting surface distortions and/or elongations occurring at least in a region around the created melt pool (26); and determining the residual stresses of the component (14) which are present at least in the region around the created melt pool (26) based on the optically detected surface distortions and/or elongations. Further an apparatus for determining residual stresses of a component (14) while it is being manufactured by an additive manufacturing process is provided.

The helmet based on omnibearing visual sensor comprises: the helmet body, an omnibearing visual sensor set on helmet top, and a microprocessor to receive and process video data from the sensor. Wherein, the microprocessor includes: an image data read module for video image data from the sensor, an image data storage module to store the data into memory unit, and an image expansion processing module to expand the video image into the perspective video images with respect to the forward/backward/left/right sight view. This invention has well real-time.

A method of assembling an opto-physiological (OP) sensor comprises: (i) modelling the opto-physiological properties of at least one body tissue type to be monitored; (ii) determining, through application of the model, an optimal optical design for an opto-physiological (OP) sensor operable to monitor the opto-physiological properties of the at least one body tissue type; and (iii) making the OP sensor to the determined optical design. The optimal optical design for the OP sensor comprises: (i) determining the optimum separation of each of a plurality of light sources from a photodetector, based on modelled optical path lengths for light travelling from each light source, through the body tissue type to be monitored, to the photodetector; and (ii) locating light sources of different wavelengths at different distances from the photodetector.

The invention discloses a ground foundation settlement monitoring system, which comprises a settlement monitoring PVC (polyvinyl chloride) pipe, a plurality of settlement magnetic rings, a fixing magnetic ring, a single-core cable, a measuring probe, a pulley block and an automatic data collecting system, wherein the settlement monitoring PVC pipe is vertically arranged in a ground foundation, the settlement magnetic rings sleeve the settlement monitoring PCV pipe, the fixing magnetic ring fixedly sleeves a pipe opening of the PVC pipe, the measuring probe and a movable pulley of the pulley block are freely moved up and down in the settlement monitoring PVC pipe, and the measuring probe is connected with a fixed pulley of the pulley block at the pipe opening and the automatic data collecting system through the single-core cable. The ground foundation settlement monitoring system has the advantages that the measuring accuracy is doubled, the data collection is more accurate, reliable and convenient, the data obtaining is easy, and the requirement of settlement monitoring of high-accuracy buildings is met.

There is provided a diagnosis system that is capable of allowing general consumers to readily purchase it, as well as capable of measuring defecation gas at home. The present invention is a system (1) including a device (10) on a test subject side, and a server (12), the test subject side device includes a suction device, a gas detector, a test subject identification device, a control device, and a communication device, the server has a database (12a) in which first detection data of odiferous gas, and test subject disease data are accumulated and recorded, and the server side data analyzer is provided with relating means that generates affected test subject defecation gas data, similarity determination means that compares a time-dependent change characteristic of the affected test subject defecation gas data, and a time-dependent change characteristic of test subject defecation gas data.

The invention relates to a method, a device and a system for battery internal temperature estimation and a vehicle utilizing the method, the device and the system, aiming to solve the problems of pooraccuracy and high cost in battery internal temperature measurement and incapability of guaranteeing system reliability, in the prior art. The method includes acquiring terminal voltage and terminal current of a battery, battery coolant outlet temperature and battery surface temperature at the current time, estimating currently open-circuit voltage, determining currently heat production rate of the battery according to the open-circuit voltage, the currently terminal voltage and current of the battery, and estimating currently internal temperature of the battery according to the heat production rate, the battery coolant outlet temperature, the battery surface temperature, the internal temperature of the battery at the first time, and a thermal electrical model of the battery.

The invention provides a main control circuit of a centralized meter reading system. The main control circuit comprises a main chip, a power module, an SRAM (Static Random Access Memory) data storage module, a clock module, a man-machine operation interface, an SD (Secure Digital) card, an LCD (Liquid Crystal Display) liquid crystal display screen, a GPRS (General Packet Radio Service) wireless communication module, an MBUS (Meter-Bus) channel selection module, an MBUS communication module, a 485 communication module and an RS232 converter, wherein the power module is used for providing voltages. The communication modes of the main control circuit are optionally wireless and wired modes; the GPRS remote communication function is capable of providing reliable operations and high-efficiency operations for remote monitoring and operations; meanwhile, a concentrator and meters are connected in two manners of 485 and MBUS, and therefore, the main control circuit is simple and convenient in construction and good in compatibility with commercial heat meters; in addition, the MBUS communication module is matched with the MBUS channel selection module, and simultaneous working of a plurality of channels and district networking are realized by virtue of channel selection, and therefore, the market requirements are met to the utmost extent; the whole circuit is good in data acquisition effect and high in instantaneity and accuracy; besides, real-time reliable operations can be realized by use of the man-machine operation interface.

The invention discloses intelligent low voltage collection complete equipment and a dual channel collection method of low voltage collection. The intelligent low voltage collection complete equipmentcomprises a cable branch box monitoring unit, a meter box monitoring unit, and a main control unit. After the complete equipment is applied to a low voltage network, (1) power on-off of the meter, meter box, cable branch box, and distribution network of the low voltage network can be precisely positioned in real time, and the results can be automatically reported; (2) the 15 minute voltage, current, power, and value curve of the meter box branch switch side and the user intelligent electric energy meter side are collected high-frequently; and (3) after the accidents of power on-off of each grade, the low voltage collection equipment reports the results to a main station system within one minute. The main station system accurately reports the power off accidents to a power supply service command system in real time, the power supply service command system precisely positions and alarms power off clients in a GIS map, the accuracy and timeliness of maintenance are both improved, inactivemaintenance becomes active maintenance, the maintenance efficiency is improved, and the service quality is improved.

A method for acquisition of a weak signal from a satellite in the presence of a strong interfering signal from another satellite is disclosed. The method encompasses identifying the auto-correlation peak due to the weak satellite signal from the cross correlation peaks due to the strong satellite signal. This invention presents a method and apparatus of acquiring a weak satellite signal in the presence of a strong interfering satellite signal in a receiver by two techniques, namely, the millisecond boundary correlation histogram method, and the frequency response correlation histogram method. Both the techniques distinguish between the correlation characteristics for auto-correlation and cross-correlation. The apparatus presented in the invention implements the methods of weak satellite signal acquisition in presence of a strong interfering satellite signal in a pseudorandom noise (PRN) receiver.

The invention discloses an on-line touring system of a power transmission line. The on-line system comprises an optical fiber communication subsystem, a backstage monitoring host subsystem and tower terminal subsystems which are arranged on towers one by one. Each tower terminal subsystem comprises a measuring unit, a terminal host, an energy supply unit and an optical network unit. The measuring units are used for collecting monitoring data in a power transmission circuit. The terminal hosts are used for finishing converging, pretreating and uploading of the monitoring data and receiving an order sent by the backstage monitoring host subsystem to control all the units. The energy supply units are used for providing energy for the measuring units and optical network unit devices through relay exits of the terminal hosts. The monitoring data collected by the tower terminal subsystems of all the towers are connected with the optical units through the optical network units, wherein the optical units are continuously led downwards from all the towers, and the monitoring data are connected into the optical fiber communication subsystem. The backstage monitoring host subsystem has the functions of storing the monitoring data, analyzing, inquiring, alarming and the like and is communicated with all the tower terminal subsystems through the optical fiber communication system.

The invention discloses a system and method for remote control coal mine evacuation working face advance detection and forecasting, which comprises a remote control system, a firing device, a blasting excitation system, a blasting receiving system and an anti-explosion geological advance detector host, and is characterized in that the remote control system comprises an anti-explosion computer, a remote controller master computer and a remote control slave computer; the anti-explosion computer and the remote control master computer are connected to realize duplex communication; the remote controller master computer is connected with the remote controller slave computer point to point through a cable; the remote controller slave computer is connected with the anti-explosion geological advance detector master computer to realize duplex communication; the remote control coal mine evacuation working face advance detection and forecasting system also comprises a synchronous signal detectionbox; and the output end of the firing device is connected with the synchronous signal detection box, the firing device outputs excitation signals to the blasting excitation system through the synchronous signal detection box, thereby preventing an operator from harm.