458results about How to "Improve running quality" patented technology

A low cost, scalable backplane for black and white or color optical displays comprises a multi-membrane plastic structure on which is printed or deposited row and column drivers to form a matrix of micro electromechanical (MEM) switches. Each switch controls the state of a pixel in the optical display device. Critical to successful long-term operation, the backplane includes the controlled application of voltages to each switch so that the display functions correctly and display life is maximized. The MEM switches include a substantially non-pliable membrane and a substantially flexible membrane both of which include electrodes that when energized will create electrostatic forces that attracts the flexible membrane to the non-pliable membrane. The MEM switches are manufactured in an array with a pitch that provides a sufficient number of switches to drive an optical display device and each switch may be latched to eliminate the need to constantly refresh the device.

The invention relates to one digital mobile communication technique suitable for one transmission base station monitor method and system based on wireless mobile terminal, which uses GSM communication network short message channel to sort monitor data and to transmit on focus degree, wherein, the alarm information and inquire information send by real time and the operation information without alarm sends method and process technique to form alarm guide base station monitor system by network monitor center, base station and other human cell phone network.

The invention discloses a power distribution cabinet monitoring system and a method. The system comprises a fault detection module, an intelligent fire protection module and a main control platform. The fault detection module is used for real-time data monitoring and fault analysis for a power distribution cabinet, the main control center is used for receiving the fault information of a power device, according to the fault position, an alarm module A is started to control the intelligent fire protection module to start an alarm unit B and a fire protection control unit, the execution mechanism at the field of the power distribution cabinet is controlled to control the automatic regulation of the temperature and the humidity at the internal portion of the power distribution cabinet, on-off of the loop power supply of the power distribution cabinet and the automatic switch-on of the fire protection device are controlled. The multi-level fault analysis and monitoring from the operation condition of the power equipment to the microenvironment of the cabinet and the like are achieved, and multiple detection modes are set through multi-level fault early warning and flexible threshold values, so that potential crisis can be timely found, and meanwhile, the power supply of the power device in the power distribution cabinet can be controlled to be switched on and off and the fire protection device can be controlled to be switched on and off according to the fault warning, so that the bidirectional development of monitoring quantity and control quantity is balanced.

A low cost, scalable backplane for electrophoretic displays comprising a multi-membrane plastic array of micro electromechanical (MEM) switches. Each switch controls the state of a pixel in the electrophoretic display device. Each switch may be latched to eliminate the need to constantly refresh the device and each switch may function as an enunciator

The invention provides an intelligent alarm monitoring method of a neural network. A brand-new intelligent communication network comprehensive monitoring analysis and fault locating system is built by adopting an alarm correlation analysis and locating technology based on an expert system of the neural network. The system guarantees effective monitoring of repeated alarming, alarm oscillation, alarm flash and alarm storm by collecting the alarm data of each piece of equipment of each network element system of each major, and filters out a storm alarm, a flash alarm, an invalid alarm and a secondary alarm correctly; and the system can pick out an important alarm event which is really required to be processed from the collected mass alarms based on a deep correlation rule analysis and neural network technology, and can locate and remove a network fault quickly and correctly. The correction rate of network alarm analysis and fault diagnosis can be improved obviously, customer satisfaction is improved, and operating cost and maintenance cost are reduced greatly, so that the aims of reducing the work load of an operator and a maintainer and improving the efficiency of fault management are fulfilled.

The invention discloses an ultra-high-frequency partial discharge signal identification method for gas insulated switchgear (GIS). The method comprises a model training process and a defect identification process, and specifically comprises the following steps of: reprocessing partial discharge signals of the GIS; extracting discharge characteristic parameters such as average discharge amplitude, discharge amplitude standard deviation, discharge phase distribution, discharge polarity, discharge time interval mean, discharge time interval standard deviation; optimizing a weight and a threshold value of a back propagation (BP) neural network by utilizing a genetic simulated annealing tool; training samples by utilizing a BP neural network tool; establishing a corresponding gas statistic algorithm (GSA)-BP model; preprocessing the partial discharge signals to be identified of the GIS; and identifying the samples to be measured in a classified way according to the GSA-BP model after extracting the corresponding characteristic parameters. By the method, the efficiency and the accuracy of partial discharge fault diagnosis of the GIS are improved effectively; and the method is critical to evaluate the insulation state of the GIS and formulate a reasonable maintenance strategy.

The invention provides a power distribution network monitoring and management system which comprises an energy efficiency terminal device installed on site, a preposed server and an energy efficiency service platform. The energy efficiency terminal device is responsible for energy efficiency measurement of an installation spot, also conducts reactive compensation automatically as needed, improves the power factor and voltage of the installation spot, and provides a data source for the system. The preposed server is used for collecting operation information of the energy efficiency terminal device and realizing information interaction between the energy efficiency service platform and the energy efficiency terminal device. The energy efficiency service platform takes charge of data processing, service application and data interface service for a distribution automation system (DMS), an electricity utilization marketing system (AMI) and a production management system (PMS), wherein a high-volume database is introduced in the data processing to realize information storage, the service application comprises the functions of monitoring, analyzing, managing and evaluating energy efficiency, and a data bus is used for realizing reliable message transmission when the multiple systems are in interconnection in the data interface service. The power distribution network monitoring and management system has great guide significance in energy conservation and loss reduction improvements and economic operation of medium and lower voltage power distribution networks.

The invention relates to a method for online monitoring the content of gas in transformer oil and a system thereof. A gas optoacoustic spectroscopy is adopted to measure the gas dissolved in the transformer oil, namely, after the gas is sent into an opto-acoustic pond, a gas circuit valve is closed, laser sent by a laser is used for radiating sample gas in the opto-acoustic pond, sound wave is generated by the gas which passes through light-absorbing pulse, and the intensity of the sound wave is detected by a rheomicrophone; then, a signal is amplified by preposing and phase locking, and the data of the signal is collected by a high-accuracy digital-analog converter and a DSP data transmitter and stored; at the same time, opto-acoustic phase drift analysis is carried out by a lock-in amplifier, and the running quality or fault category and fault severity of an electrical power unit is exactly judged according to the sorts and the concentration of the gas, thus judging the running state or the property and degree of fault of the electrical power unit with high accuracy. The invention has simple structure and stable running, and can realize online monitoring for a long time.

The invention relates to a centralized and remote control monitoring, and fault diagnosis system of wind turbine. Various sensors sample an original signal from a wind turbine; the signal obtained by the various sensors is converted into a digital signal by a data conversion module and conveyed to a site controller, the data processed is conveyed to a host computer; and two manners including centralizing and remote controlling are included. Accident alerting program software in the computer analytically analyzes and judges testing data, and draws a conclusion to alert an accident; and fault diagnosis specialist program software in the computer analyzes the testing data, draws a diagnosis conclusion and displays the conclusion in text on the display. Online monitoring on comprehensiveness of key parameters of all important parts of the whole wind turbine is realized; the accident alerting program software is used to analyze and judge the testing data to draw a conclusion and alert an accident; and the fault diagnosis specialist program software is used to diagnose operation condition, thereby improving operation safety reliability and service life of a large-sized wind turbine and enhancing the operation quality of a wind turbine.

The invention discloses an urban railway transit timetable optimizing technology application framework. The urban railway transit timetable optimizing technology application framework comprises a passenger flow data extraction and preprocessing module 1, an interstation passenger flow distributive-law extraction module 2, a platform passenger arrival rate extraction module 3, a dispatch model establishment and analysis module 4 and an optimization result output and verification module 5. The module 1 is in charge of extracting available passenger transaction information from original passenger flow data for use in follow-up links; the module 2 and the module 3 are in charge of extracting passenger-flow characteristic parameters significant to later modeling; the module 4 serves as the core of the framework and is capable of establishing a dispatch optimization model and solving on the basis of the passenger-flow characteristic parameters; the module 5 is mainly used for converting optimization results into corresponding train timetables. The urban railway transit timetable optimizing technology application framework is used for optimizing and adjusting current departure timetables of urban railway transit lines, and can be combined with the short-term passenger flow forecasting technology for providing technique support for working out a train optional dispatch plan within a given future period.

The invention provides a hidden node detection method and equipment. The method comprises the steps of monitoring a signal of a station (STA) in a medium according to a received monitoring instruction, wherein the signal contains the node identification of the station which transmits the signal; if the node identification represents an isolation node of the node, judging whether the station is located in the overlapped coverage area of the node and the isolation node; and if yes, determining the isolation node to be a hidden node of the node. The node comprises a monitoring module, a judging module and a determining module. A node controller comprises a transceiving module, a judging module and a determining module. The scheme provided by the invention realizes accurate positioning of an access point (AP) belonging to the hidden node without changing the STA station.

The invention discloses a computer acceleration method and device. The method comprises steps as follows: configuration information of a second acceleration mode is extracted when an acceleration mode switching event is monitored during operation of a first acceleration mode; the configuration information of the second acceleration mode comprises computation rules; current operation information of a computer is acquired; operation parameters are calculated according to the operation information and the computation rules; and the operation parameters are displayed in an acceleration control. After the acceleration mode switching event is detected, acceleration modes are switched, operation of a computer is better adapted, and further, the corresponding configuration information is adopted for operation, so that the operation efficiency and the operation quality are improved.

The invention discloses a heat recovery fresh air unit, which comprises an air intake unit; the inside of the air intake unit is orderly provided with a filter section, a heat-moisture treatment section and a fan section; the inside of the filter section is provided with a fresh air intake and an air filter; the inside of the heat-moisture treatment section is provided with a water cooling coil, a direct evaporation type coil and a reheating coil; the inside of the fan section is provided with a fan and an air supply outlet; the water cooling coil is provided with water inlet pipe and water outlet pipe connectors; and the direct evaporation type coil and the reheating coil are provided with refrigerant inlet and outlet connectors. The heat recovery fresh air unit is characterized in that: the heat recovery fresh air unit also comprises an air outlet unit; the inside of the air outlet unit is orderly provided with a filter section, a heat recovery section and an air exhaust section; the inside of the filter section is provided with a return air inlet and an air filter; the inside of the heat recovery section is provided with a compressor and a condensing coil; and the air exhaust section is provided with a fan and an exhaust outlet. The heat recovery fresh air unit is provided with the air outlet unit, solves the problem of temperature and humidity control in the indoor environment, and can recover heat to further improve energy utilization rate.

The invention discloses an elevator system provided an elevator wireless communication system with a redundant fault-tolerant function. The elevator system comprises an elevator control cabinet, a traction system, an elevator car and the elevator wireless communication system. The wireless communication system is used for safe circuit and interaction information communication between the elevator car and the control cabinet, and is composed of at least two different types of wireless communication modules with different abnormal or failure factors. When a communication circuit of a certain type of communication module is abnormal or fails, communication circuits borne by other wireless communication modules which are not sensitive to the abnormal or failure factors of the type are in a normal work state, and safe circuit faults and communication circuit faults caused by abnormity or failures because of single type wireless communication limitation are greatly reduced. The elevator system has extremely high reliability and robustness, operation quality of no-cable elevators and light cable elevators is greatly improved, and development and popularization of the no-cable elevators and the light cable elevators are promoted.

The invention relates to an urban underground comprehensive pipe gallery intelligent monitoring system. The urban underground comprehensive pipe gallery intelligent monitoring system mainly comprises a data collecting module, a data processing module, a data transmission module, a display and fault early warning module, a fault point positioning and processing module and a power source module. During construction, electronic markers are arranged on a pipeline monitoring point, and the basic information of a pipeline including the diameter, position, material, purpose, buried depth, types of conveying media, pressure, flow amount, flow direction, laying data, construction company and the like is recorded into the electronic markers. Each marker has a unique ID, and after the markers are buried, the IDs and global position system (GPS) coordinates of the marks are recorded on site. A detector is used for obtaining the information of the electronic markers and uploading the IDs, basic information and GPS coordinates of the markers to a server building database, and the information is stored in a monitoring center server. By means of the urban underground comprehensive pipe gallery intelligent monitoring system, the operation quality and efficiency of an urban underground pipe gallery can be greatly improved.

The invention relates to a real-time overall test method of a network system. The network system comprises a test center system and a client terminal loopback response system. The method comprises the following steps: the test center system sends test packets to a network terminal; after the client terminal system receives the test packets, the client terminal system returns the received test packets to the test center system immediately; the test center system carries out loop detection on all the returned test packets: calculation of a delay packet and a jitter packet, and detection of a delayed packet, a repeated packet, an out-of-order packet and a lost packet; the test center system records the generated basic information of a single client terminal in a database of the center system; and all the test data of the client terminal in the database of the test center system are analyzed to obtain the status of network channels at test time intervals. The method in the invention can be carried out in real time under a network running state, and has the advantages of simple test operation, high network test coverage rate and low test cost; and test results can show the real state of the network channels.

The invention discloses a super-low-speed high-torque motor and a crane with the motor. The motor comprises an outer rotor and a stator. The stator is provided with a stator temperature sensor for collecting a temperature signal within the stator. The outer cylinder inner side of the outer rotor is fixedly equipped with a plurality of permanent magnets which are the same tile-shaped hexahedral structures and are regularly arranged along a circumferential direction and an axial direction. A plurality of permanent magnets are arranged in any circumferential and any axial direction. Two circumferential side faces of the permanent magnets are inclined plane shapes with inside cutting angle shapes, and the angle of a cutting angle is 5 degrees to 35 degrees. According to the crane with the motor, the outer cylinder of the motor is used as the winding drum of a lifting mechanism. The motor can normally run in the condition of low speed (super low speed) and large torque, the operation is stable, the vibration is small, the noise is small, the temperature rise is small, and the motor is mainly used for a crane, a port machine, a tower crane, an elevator, a winding machine and other similar occasion.

A special gondola vehicle with a shallow concave bottom for coal transportation belongs to the transportation facilities, in particular to a railway truck gondola vehicle. The gondola vehicle comprises a vehicle body, a vehicle coupler buffer device, a braking device and a bogie. The vehicle body comprises a chassis, a side wall and an end wall. The key technique is that the chassis comprises a centre sill, a sleeper beam, a lower side beam and an end beam, two downwards concave shallow concave bottoms are arranged between the two sides of the centre sill and between the lower side beam and the sleeper beam in the middle of the side wall, the depths of the shallow concave bottoms are aligned with the lower plane of the centre sill, the side wall comprises a side wall board and a side post, the two ends of the side wall are end door panels which are inwards concave with respect to the side wall board to form stages, so as to form the end door plate with a concave structure. The invention not only effectively increases the vehicle body volume, but also decreases vehicle height of center of gravity, and improves vehicle riding quality.

The invention aims to solve the problem of equipment interference, abnormal mechanical conditions and the like due to excessive error accumulation after multiple cycles in a current automated mining system under complex geological conditions, and discloses an intelligent decision control method and system for a fully mechanized mining device used for a complex condition working face. The intelligent decision control system comprises a full posture measurement system for the fully mechanized mining device, a mine pressure monitoring system, a virtual simulation system, an analysis and decisionsystem and a distributed control system. 15 spatial parameters and mine pressure data of the real-time operating state of the device are measured comprehensively, the real mining process is simulatedthrough data superposition, the device abnormalities caused by the complex geological conditions are calculated, the surrounding rock state is predicted, error elimination and surrounding rock controlmethods based on known process methods and historical data learning results are proposed, and subsequent mining control parameters are predicted; and based on real data and virtual simulation results, the optimization and decision-making of underground comprehensive mining device control parameters are completed, so as to ensure that device control under the complex geological conditions can be consistent with actual environmental conditions, and the operation quality of the fully mechanized mining device is greatly improved.

A general processing method for mapping the key property index KPI to the key quality index KQI is disclosed which improve the hierarchical structure of TMP key index: the product KQI is boiled down to a index which is converged by all KQI, every KQI is converged by several network KPI, every network KPI is converged by several bottom indexes with the same and/or different bottom; following said steps the bottom network KPI is converged into top service KQI: (1) sets the mapping flow: sets the flow and the relative parameters that maps the bottom network system KPI into the top service KQI; (2) property measuring and calculating: calculates the KQI value of top service according to the real physical measuring value and formula of bottom network system. The method can compensate for the disadvantages that TMP present method can not converges the index with different dimension and different physical means, it can reflect the running state of whole business or network system just need to extract little meaning indexes, and especial fit for the development of 3G business and network management.