67results about How to "Fast real-time" patented technology

The invention discloses an intelligent fault diagnosis system for an ICNI system, which can improve the maintenance efficiency, carry out intelligent and automatic diagnosis and is applicable to the ICNI system. According to the technical scheme of the invention, a knowledge base and a management module thereof carry out standardization research and mathematical modeling based on a fault tree, an SQL Server database software framework is adopted, a relational database is used for building a logic relation among a fault phenomenon, a fault mode, a detection method, a historical case and a fault tree internal event to form the knowledge base; and a diagnosis information acquisition module interacts with an automatic testing system via Ethernet to acquire diagnosis data from the ICNI system and a testing instrument, a reasoning machine module adopts CBR and RBR hybrid diagnostic reasoning, after comprehensive judgment is carried out on the fault phenomenon inputted by the user, the field knowledge stored by the knowledge base and the diagnosis data from the automatic testing system, a reasoning method is automatically selected to carry out reasoning diagnosis on the fault, a reasoning process and a reasoning result are outputted to an explanation machine module, and a diagnosis report is generated.

It relates to a turbine rotor low cycle fatigue durability loss on line monitoring system, featuring in its computation, application server and software, database server, outside system interface, turbine control system DEH and parameter testing point, web server and user browser that connects with the computation and application server and each end item user browser respectively, with the computation and application server connecting with the data base server which connects with the turbine control system DEH and parameter testing point through the outside system interface. It is made of two processes, with the no.1 using artificial nerve network to determine turbine rotor equivalent stress coefficient, the no.2 process being on line computation, monitoring and control of the turbine rotor cycle fatigue loss. It realizes the working times of the turbine rotor of 10000 times.

The invention relates to a CDMA receiver power calibration and real-time correction device and the realization method thereof, and the method can be used for the power calibration and the real-time correction of terminal equipment such as the CDMA system, the base station facilities, and the road measurement meter. The method adopts a segment look-up table approach, and not only uses the fastness and simplicity of the look-up table approach but also combines segment treatment, thereby reducing the consumption of the storage room as much as possible. For linear gain section of a receiving link, i.e. the so-called big signal calibration, the look-up table approach is used directly; for non-linear gain section, i.e. small signal calibration, a noise compensation calibration method is adopted. The invention is used especially for the power calibration and the real-time correction of the massive equipment, and the power calibration method can meet the demand of automation and have the advantages of low cost, fast speed and high calibration precision.

A method is provided for guiding a procedure on a region of interest in a body part of patient, where the body part moves within the patient by breathing, cardiac or other action. The procedure includes radiation therapy, or guidance of a probe for example for biopsy or brachytherapy. The method includes using an MRI system to obtain an MR image of the body part, during the procedure on the body part of the patient, obtaining real time ultrasound images of the body part of the patient as the body part moves within the body of the patient, registering the MR image of the body part with the ultrasound image of the body part so as to locate the region of interest in the ultrasound image of the body part and using the registered images to target the action to the region of interest as the body part moves.

The invention discloses a universal real-time multi-channel parallel timing measuring system. The universal real-time multi-channel parallel timing measuring system comprises an ARMSTM32 series processor, a multi-disc TDC-GPX chip, a start/stop signal input interface array, a digital/simulation diverter switch array, a multi-channel AGC amplifying circuit, a multi-channel high-speed comparison circuit, a touch LCD, an external memory, a temperature sensor and an upper computer. According to the universal real-time multi-channel parallel timing measuring system, multi-channel simultaneous parallel timing is achieved, and the real-time performance is good; simulation, digital, single-ended and difference multiple types of signal input can be supported at the same time, and the applied range is wide; wire length compensation, channel consistency correction and temperature compensation of the multi-disc TDC-GPX chip and high precision are achieved; one microprocessor can control 1-4 TDC-GPX chips to form a basic measuring unit, multiple channels are needed, a plurality of basic measuring units are stacked for use, the structure is compact, and the expansibility is strong; by the aid of upper computer software based on a LabView, the development difficulty of graphical monitoring and displaying application programs is made to be simple.

The invention provides a scheduling terminal and a scheduling console. The scheduling terminal comprises a sending unit, a performing unit, a feeding unit and an adjusting unit; the scheduling console comprises a receiving unit, an instruction generating unit, an instruction sending unit, an adjusting instruction sending unit and an emergency processing database unit. The invention further provides a communication scheduling command method and a system, a two-dimensional GIS is taken as auxiliary by the system, the system integrates with voice communication, video monitoring and video conferences to form a communication supporting platform for an integrated distribution network first-aid repair command system, voice, data and video functions are integrated into one body, scheduling command is carried out through multiple communication terminals in wired, wireless, video and voice modes, rapid circulation and timely monitoring on a business flow are realized, so fault first-aid repair scheduling is not limited by time and space.

The invention provides a shield driving parameter prediction method based on a grey system model. According to the method, tunneling parameters of continuous tunneling of a set quantity of rings by ashield tunneling machine are selected to serve as sampled data; the sampled data is converted into a generation sequence displaying a certain law, and a tunneling parameter grey prediction model basedon the grey system theory is established based on the generation sequence, wherein the sampled data is input into the tunneling parameter grey prediction model, and the tunneling parameter grey prediction model obtains tunneling parameter prediction values of subsequent tunneling segments through calculation; the tunneling parameter prediction values are fed back to a shield manipulator to guideshield tunneling machine tunneling parameter control; and tunneling parameter samples are updated in real time to realize dynamic circulation of tunneling parameter prediction. Through the method, byweakening the randomness of original data to highlight the inherent law of the original data, only a small amount of original data is needed; and meanwhile, the model is properly corrected through thedifference between a model fitting value and an actual value, prediction precision can be improved, and the prediction result is more approximate to practice.

The invention discloses a device and a method for compensating a composition error of a main shaft in real time. The device comprises a radial capacitance displacement sensor, an axial capacitance displacement sensor, a control computer, a two-degree of freedom sharp knife servo controller and a two-degree of freedom sharp knife servo unit, wherein the output end of the radial capacitance displacement sensor is connected with the first input end of the control computer; the output end of the axial capacitance displacement sensor is connected with the second input end of the control computer; the two-degree of freedom sharp knife servo controller is respectively connected with the control computer and the two-degree of freedom sharp knife servo unit; the two-degree of freedom sharp knife servo unit is connected with a processing cuter; the radial capacitance displacement sensor is arranged at one side of the processing cutter, and the axial line thereof is vertically intersected with the axial line of a work-piece; the axial capacitance displacement sensor is arranged on one end face of the work-piece, and the axial line thereof is vertical to the end face of the work-piece. The device and the method for compensating the composition error of the main shaft in real time can perform on-line and real-time measurement and compensation on the composition error simply, rapidly and comprehensively, and can be widely applied to the field of precision machine tool machining.

The invention relates to an online detecting method on the equivalent stress safe allowance factor of the rotor of turbine, wherein it is characterized in that: it uses artificial nerve network technique to realize the online real-time calculation and online real-time detection and control on said factor; if said factor is lower than preset value, it can control the temperature change rate of main steam, and the load change rate to improve the factor and prolong the service life. If the factor reaches the alarm value, it will alarm, and stop in preset time. The invention can realize quick and accurate online real-time calculation, detection and control.

The invention provides a web service data modeling and searching method based on SDD (service data description), which comprises the steps of I, establishing a web service data model based on the SDD, wherein the model is divided into a parse layer, a controller layer and an expression layer; and II, providing the web service data searching method described in the specification based on the model.

A direct field acoustic testing system includes at least one control microphone, a controller operatively coupled to the control microphone such that the controller receives at least one input signal from the control microphone, and at least four acoustic transducer groups operatively coupled to the controller such that each transducer is separately controllable by the controller such that a separate output signal is received by each transducer from the controller. A setup signal is applied to each of the acoustical transducers. The acoustic output of each of the acoustical transducers is monitored using the at least one control microphone. Assumptions regarding the relationship between the acoustic fields measured by the control microphones are made to enable the controller to reduce the number of calculations needed to compute error functions and corrected drive signals to be applied to the acoustic transducer groups.

The invention provides a method for online monitoring thermal deviations of a final superheater and a final reheater of a boiler of a power station. The method comprises the following steps of: firstly, building an online monitoring device, then reading online detection data, calculating the thermal deviation of each screen and each tube according to the read online detection data, and storing and displaying the result. The invention has the advantages of realizing the fast online real-time calculation and the online monitoring and controlling of the thermal deviations of the final superheater and the final reheater of the boiler, realizing the safety operation of the final superheater and the final reheater of the boiler within the service period and prolonging the service life of the final superheater and the final reheater of the boiler.

The invention discloses a non-contact torque measurement device based on a counter-magnetostrictive effect and belongs to sensor measurement technologies. According to technical key points, a measuredrotating shaft is coated with giant magnetostrictive material coating strips, the giant magnetostrictive material coating strips are divided into positive giant magnetostrictive material coating strips and negative giant magnetostrictive material coating strips; the positive giant magnetostrictive material coating strips and negative giant magnetostrictive material coating strips obliquely coat the measured rotating shaft in an axial direction at equal intervals in a bilateral symmetry manner; left and right ends of the measured rotating shaft are respectively nested into inner holes of a left bearing and a right bearing; the left bearing and the right bearing are respectively nested into the left and right ends of a shaft sleeve; an exciting coil is assembled onto the inner wall of the shaft sleeve; a left measuring coil and a right measuring coil of the same specification are assembled in parallel on the inner walls of the exciting coil in the axial direction. According to the measurement device disclosed by the invention, the torque is dynamically measured in real time at high accuracy and high precision without being in contact with a transmission shaft or changing a stress state of the transmission shaft and under rotary and dynamic operating conditions.

The invention discloses a low-power-consumption axle bearing temperature detecting device for a locomotive, comprising a power supply module, a communication module, a temperature collecting module, a microcontroller and a shielding box. The low-power-consumption axle bearing temperature detecting device collects the temperature from four axle bearing temperature sensors and an ambient temperature sensor connected therewith, and sends temperature data to an upper level processor at regular intervals. In addition, four different alarm modes can be chosen to process the temperature data, and if alarm conditions are met, a corresponding alarm code is sent to the upper level processor. The low-power-consumption axle bearing temperature detecting device for the locomotive provided by the invention has the characteristics of simple structure, wide measuring range, high measuring precision, fast response speed, low power consumption and good reliability.

The invention discloses a box type transformer station current-carrying fault prediction system. The system comprises a process layer, an interval layer and a station control layer, wherein the process layer is internally provided with a box type transformer station online monitoring terminal, the box type transformer station online monitoring terminal is connected with a wired temperature measurement module temperature measurement point, and the box type transformer station online monitoring terminal is also connected with a wireless temperature measure module temperature measurement point through a wireless personal area network; the interval layer is internally provided with a box type transformer station online monitoring IED, and the box type transformer station online monitoring IED is connected with the box type transformer station online monitoring terminal; and the station control layer is internally provided with a station end monitoring unit, and the station end monitoring unit is connected with the box type transformer station online monitoring IED. The invention further discloses an application method of a box type transformer station current-carrying fault prediction system. The box type transformer station current-carrying fault prediction system and the application thereof can monitor temperature change of contacts in an online mode and can also accurately position contacts with faults or hidden risks.

The invention relates to a non-contact robot joint torque measuring device based on the inverse magnetostrictive effect and belongs to the sensing measurement technology of robot robotic arm precisioncontrol. The measuring device is characterized in that an output shaft of the robot joint torque is coated with giant magnetostrictive material coating strips, the giant magnetostrictive material coating strips comprise positive giant magnetostrictive material coating strips and negative giant magnetostrictive material coating strips, the positive giant magnetostrictive material coating strips and the negative giant magnetostrictive material coating strips are obliquely coated on the output shaft at equal intervals along the axial direction symmetrically left and right, a sleeve is sleeved onthe output shaft on the outer side of the giant magnetostrictive material coating strips, an excitation coil is mounted on an inner wall of the sleeve, and left and right measuring coils in the samespecification are mounted side by side on the inner wall of the excitation coil in the axial direction. The measuring device is advantaged in that high-accuracy high-precision real-time dynamic measurement of the torque is carried out without touching a driving shaft and without changing the force condition of the driving shaft and rotary and dynamic working conditions, and thereby precise controlon robot arms is realized.

The present invention relates to an initial stage polymerization reaction condition of a polymer resin, and particularly to a method for judging a polymerization reaction condition at an initial production stage of a polyethylene process. The technical scheme of the present invention is that: with the method for judging the polymerization reaction condition at the initial production stage of the polyethylene process, the polyethylene process adopts a chromium catalyst, a gas chromatography method is adopted to detect light olefin in fluidized bed reactor circulation gas to judge whether the chromium catalyst initiates the polymerization reaction, and the production speed of the light olefin is adopted to judge the intensity degree of the polymerization reaction initiated by the chromium catalyst. With the present invention, the rapid detection and the real time monitoring of the polymerization reaction initiation condition at the initial production stage of the polyethylene process can be achieved, wherein the polymerization reaction is initiated by the chromium catalyst; the reaction process can be accurately predicted, the addition amount of the catalyst can be adjusted timely, the production safety can be ensured, and the polymerization accident caused by excessive initiation can be prevented, or the large waste of nitrogen and ethylene can be prevented, wherein the large waste of the nitrogen and the ethylene is caused by no initiation of the catalyst.

The invention relates to a system and a method for establishing a safety baseline database of a power monitoring system. Firstly, the safety baseline objects involved in the power monitoring system are classified, and the baseline categories, baseline classes and target objects are sequentially determined. Then, a baseline indicator set is determined for each target object. The baseline indicatorset includes baseline items, baseline indicators, inspection rules and evaluation recommendations. Finally, the security baseline indicator set of each target object is selected according to the requirements and the security baseline library is formed.

The invention relates to a pressure intensity-controllable solid power electric conductivity test device. The pressure intensity-controllable solid power electric conductivity test device comprises a core component, a commercial digital source meter and a computer data processing system; the core component is composed of a base, a load sensor, an insulation pad, a positioning cross beam, slide rail locators, a roller, slide rails, an upper baffle, a servo motor, a rotary encoder, a controller, a sample test mold and so on; the load sensor can detect the intensity of pressure applied onto the load sensor; the sample test mold is composed of an upper part, a middle part and a lower part, wherein the upper part and the lower part are electric conduction bodies, and the middle part is an insulating hollow mold; the positioning cross beam, the slide rail limiters, the roller, the slide rails and the like can control the servo motor to advance or retreat according to signals; the speed of the movement of the servo motor is provided by the controller; and the rotary encoder transfers a sample thickness value to the controller. The test range of the device covers materials from materials of which the electric conductivities are extremely low to conductor materials, for example, the electric conductivities of lithium iron phosphate and carbon nanocages, which are detected by using the method, are 8.23*10<-9> and 6.44 Scm<-1> respectively.

The invention provides a terahertz aperture coding phase-free imaging device and method based on an array incoherent detector. The invention aims to replace a plurality of coherent detectors in a traditional terahertz aperture coding imaging radar by using the array incoherent detector, only the intensity information of an echo signal is received in the receiving process, the phase information isnot received, so that a system receiving link is simplified, the system complexity is reduced, the manufacturing cost is reduced, and meanwhile, the integration and miniaturization are easy; and the array incoherent detector adopts a multi-channel output technology to complete high-speed acquisition of echo data, so that the coding and sampling times can be effectively reduced, and high-speed imaging or real-time imaging of terahertz aperture coding is realized.