3692results about How to "Avoid economic loss" patented technology

The invention discloses a system and a method for preventing pedestrians from collision based on vehicle-road cooperation. The system comprises a vehicle-mounted module, a road-side module, a vehicle-road communication module, a central processing module and a display and control module. Information interaction between the road-side module and the vehicle-mounted module is realized by use of the vehicle-road communication module, and the data of the road-side module and the vehicle-mounted module both are sent to the central processing module; the central processing module is used for fusing and processing multi-source information and sending an instruction to the display and control module to execute a collision preventing measure. The system and the method for preventing pedestrians from collision based on vehicle-road cooperation have the advantages that more accurate pedestrian information within a wider range can be obtained in a vehicle-road cooperation manner and then the pedestrian-vehicle collision risk is determined, and furthermore, the corresponding collision preventing measures can be adopted, and therefore, the purpose of safe and intelligent driving aid can be achieved.

The invention discloses a driving behavior analysis and driving assistance system based on OBD. The vehicle driving data and failure information are acquired through an OBD diagnostic link, a GPS and an acceleration sensor are arranged additionally, a vehicle is monitored completely, the data are transmitted to a data center in a GPRS / 3G / 4G manner, the center classifies and summarizes the data before performing corresponded processing and feeds back the corresponded information including vehicle routine data flow, driving behavior analysis and other warning information to a vehicle user in a manner of the webpage or mobile communication so as to assist a driver, and the driver can drive safely and economically in an environment-friendly manner.

The invention provides a transparent vacuum pipeline which is characterized by consisting of a pipeline framework and a transparent sealing plate, wherein the pipeline framework is provided with an inner-layer sealing supporting ribbed plate and is provided with a technical sealing plate insertion slot. when in need of maintenance, a technical sealing plate is inserted between the inner-layer sealing supporting ribbed plate and an outer-layer pipeline, so that the whole easy-to-break outer-layer pipeline cannot leak in replacement and maintenance processes, and normal passing of trains in the pipeline cannot be affected; non-stop maintenance is realized, the phenomenon that the whole high-speed railway stops running due to damage to the pipeline or maintenance of the pipeline is avoided, energy for vacuumizing at each time is saved, and a vacuum pipeline high-speed railway technology is more energy-saving.

The invention belongs to the technical field of reliability engineering, and relates to an equipment residual service life prediction method under the condition of uncertain degradation measured data. The method includes the following steps: creating an equipment performance degradation model under the condition of the uncertain degradation measured data, estimating model parameters, estimating an equipment potential performance degradation state and predicating residual service life. The equipment residual service life prediction method under the condition of the uncertain degradation measured data is provided, degradation state uncertainty and measurement uncertainty are considered, characteristic quantity of individual service life and overall reliability service life of equipment are predicated and analyzed, and the method can serve as an effective analysis tool for predicating the residual service life of the equipment so as to provide powerful theoretical basis and technical support to state-based maintenance of the equipment, so that expenditure is reduced, unnecessary economic loss is avoided, and good engineering application value is realized.

The invention discloses a method for predicting residual service life of a flight control computer system, which comprises the steps of: storing historical reliability data of the flight control computer system by using an onboard health monitoring computer, obtaining working state data, and executing failure detection, reliability analysis and service life prediction of the flight control computer by using a fuzzy expert system. The working state data is obtained from a state sensor group. The development of the fuzzy expert system is used for modeling the reliability of the flight computer system, and the working condition of the flight control computer system is estimated according to the working state data and the fuzzy based reasoning for carrying out failure detection and predicting residual service life. The invention has the advantage of being capable of estimating the residual service life of the flight control computer system on line.

The invention provides a tool and workpiece matching verification system and a machining and controlling method of a numerically-controlled machine tool. When the numerically-controlled machine tool is started to perform machining, the numerically-controlled machine tool is not directly and normally started to be machined and directly and normally undergo machining and control operation, however, match verification is performed by the matching verification system through tools and workpieces used for machining of the numerically-controlled machine tool and machining technology parameters and machining control procedures set by the numerically-controlled machine tool. Whether the numerically-controlled machine tool can be started to perform machining or not is intervened and controlled by a matching verification result. Economic losses and machining accidents due to wrong installation of the tools and the workpieces or the fact that the machining technology parameters and the machining control procedures are not matched with required machining tasks are more efficiently eradicated in the process of machining of the numerically-controlled machine tool, and safety in machining of the numerically-controlled machine tool is ensured. Recording and storing of information of the matching verification result can be achieved, and basic data are provided for achieving information management of real-time monitoring, optimal scheduling of the machining tasks and the like of the information of machining and producing processes of the numerically-controlled machine tool by an enterprise.

The invention discloses a method for marking digital currency circulation by using block chains. The method comprises the steps that S1, a block chain digital currency system is established, and the block chain digital currency system is equipped with a block chain digital currency network; S2, a user logs in the block chain digital currency system, registers information and establishes a personal registration account; S3, verification is carried out, and the registration account is enabled to establish a corresponding relation with a public key address; S4, a verification public key address is published to users in the block chain digital currency network; S5, block chain digital currency with the number being greater than or equal to zero is sent to a public key address of block chain digital currency of a registered user; and S6, a query request from other users in the block chain digital currency network is received. The method for marking digital currency circulation by using the block chains can greatly improve the availability, the convenience, the safety and the reliability of encrypted digital currency transaction, so that economic losses, which are caused by a condition that the public key address is tampered, simulated or mistaken by others, of the user are avoided.

The invention relates to a microblog hype group discovering method based on maximum frequent item set mining. Microblog hype groups are effectively discovered, and false and malicious hype is avoided. The method comprises the steps that the correlation of a hype microblog is used as a clue, and an account set participating in hype microblog transmission is obtained based on the crawler technology or a microblog public open platform; single microblogs are used as transactions, accounts participating in microblog transmission are used as items, and a hype microblog transaction database is built; for transactions, corresponding to a microblog set to be detected, in the transaction database, the maximum frequent item sets contained in the transactions are found, the overlapping ratio of the maximum frequent item sets is calculated, small-scale item sets are merged into large item sets, the intersection frequency is reduced, whether the transactions comprise a certain item or not is judged through the binary search method when intersection is obtained between the transactions, the maximum frequent item set mining efficiency is improved, and microblog hype groups are discovered. The microblog hype group discovering method based on maximum frequent item set mining is simple, and can accurately discover malicious microblog hype groups and avoid negative influences on the society.

The invention discloses a belt conveyor automatic inspection system and method based on a multi-rotor unmanned aerial vehicle, and belongs to a belt conveyor fault inspection system and method. The automatic inspection system consists of a multi-rotor unmanned aerial vehicle, an unmanned aerial vehicle ground workstation and a navigation identification, wherein the multi-rotor unmanned aerial vehicle comprises an unmanned aerial vehicle body, an unmanned aerial vehicle navigation system, an unmanned aerial vehicle inspection system, an airborne power supply and a wireless signal transmitting terminal; the unmanned aerial vehicle ground workstation comprises a multifunctional computer and a wireless signal receiving terminal; the flight path of the unmanned aerial vehicle can be determined by identifying the navigation identification by the navigation system; a carrier roller on any position of the belt conveyor can be monitored by the inspection system; a monitoring signal is sent to the unmanned aerial vehicle ground workstation. The inspection method comprises a navigation method and an inspection method. A navigation mark is overlaid to automatically inspect the carrier roller of the belt conveyor, so that the abnormal state of the carrier roller can be detected in time, and more severe economic loss and casualties can be avoided. The belt conveyor automatic inspection system has the advantages of simple structure, good detection effect and time and labor saving.

The leftover and residue of positive electrode of lithium ion battery is crushed mechanically; its active positive electrode material, additive and adhesive attached to the aluminium foil base are separated through ultrasonic vibration, mechanical stirring or other process inside water or some organic solvent at certain temperature; and the active positive electrode material are then separated, washed, dried and high temperature processed to obtain positive electrode material, which has excellent performance and may be used directly. The present invention is significant to lowering battery producing cost and preventing environmental pollution.

A remote network seal-affixing device able to automatically affix seal under the control of remote signal and with high safety is composed of a box consisting of upper cover, main body, hydraulic cylinder, interface and electromagnetic lock, a sealing moving unit, a sealing holder, a document bearing tray, a seal destroyer, a recognizer, a projector, a camera head, and a control circuit.

The invention relates to a crane with a brake failure protection device and a brake failure protection method, belonging to the filed of electromechanical integration and solving the problems of over complicated structure and low reliability of a traditional mechanical device for preventing the brake slip of the crane. The crane with the brake failure protection device comprises a main controller, a transducer, a lifting mechanism induction motor, a photoelectric encoder, a brake, a speed reducer of a mechanical transmission type, a drum, a hook, a signal converter and a high-speed interface module. Whether a lifting mechanism moves or not is detected by the photoelectric encoder when the lifting mechanism is braked by the brake, the brake fails if a signal is output by the photoelectric encoder, and the transducer is controlled by the main controller module to work and drive the lifting mechanism induction motor to generate electromagnetic torque for realizing electromagnetic brake so that a load is slowly put in a suitable position and a brake failure alarm signal is sent. The invention is used for the failure protection of the crane brake.

The invention discloses a pump unit typical health status monitoring device and method based on Internet of Things, and belongs to the technical field of intelligent diagnosis of fluid machinery Internet of Things. The pump unit typical health status monitoring device is arranged to be an erecting pump unit platform. Signal collecting sensors are arranged on the pump unit to form an Internet of Things sensing layer which is used as a collection module of data transmission, and forms an Internet of Things network layer with communication protocol; and a field monitoring platform forms an Internet of Things application layer by a touch screen / PC and compiled upper computer software. Functions performance testing, signal processing, fault diagnosing, health evaluating, database managing and remote monitoring and real time monitoring of the pump unit are achieved. Integration, automation and intellectualization of the system are high; predicative maintenance is achieved; occurrence of major accidents and economic loss are avoided, alleviated and reduced; optimal management of pump unit operation is facilitated; benefit level is improved; and pump unit overhauling and maintenance basisis provided.

The invention discloses a composite fault diagnosis method and device based on a deep decoupling convolutional neural network. The method comprises the following steps: 1, data set collection and calibration: respectively collecting vibration acceleration signals under single and composite fault experiment conditions of a rotary machine to obtain a plurality of samples, respectively forming a training set and a test set, and respectively setting category labels; 2, building a one-dimensional deep convolutional neural network model; 3, constructing a decoupling classifier with a multi-label output characteristic under a keras framework; 4, training a network model, and finally obtaining an optimal deep decoupling convolutional neural network model; and 5, performing intelligent diagnosis and classification on the composite fault, and outputting to obtain a real-time diagnosis result of the composite fault. According to the method, on the premise that only a single fault signal is used for training the deep decoupling network model, each single fault feature in the composite fault signal is extracted, and decoupling and classification of the composite faults are achieved through a decoupling classifier.

The invention discloses a heavy duty stacker for containers. The heavy duty stacker comprises a stacker frame, a safety protection device, a loading platform, a container hooking and taking device, a lifting device, an operation driving device and an electrical control device, wherein the stacker frame comprises four upright posts, an upper cross beam and a lower cross beam; the safety protection device comprises a cargo state detection device, a broken rope protection device, a power outage protection device, a travel speed-limiting device, a detection and positioning device and a progression speed reduction, walking emergency stop and retreat speed reduction switch; the container hooking and taking device comprises a lower fork, a middle fork, an upper fork and a hooking and taking driving mechanism composed of a normally closed electromagnetic braking motor, a chain wheel and a chain; the lifting device comprises a speed reduction motor, a pulley group, a steel wire rope reel, an encoder and a steel wire rope; and the operation driving device comprises a motor, a driving wheel, a driven wheel and an encoder. The heavy duty stacker is reasonable in structural design, strong in operability, good in safety performance and good in stable performance, and can meet the loading demand of large containers at ports and docks, and be convenient for popularization.

The embodiment of the invention provides a method for controlling the humidity of a storage space of a refrigerator, and belongs to the field of household appliances. The method comprises the following steps that the kinds of food materials stored in the storage space are determined; when one kind of food material is stored in the storage space, the humidity of the storage space is controlled to be in a gear with the humidity value closest to the optimal storage humidity value of the food material; when multiple kinds of food materials are stored in the storage space, the humidity of the storage space is controlled according to the optimal storage humidity value of each kind of food material in the multiple kinds of food materials and the priority of each kind of food material. The invention further provides a device for controlling the humidity of the storage space of the refrigerator and the refrigerator. According to the method and the device for controlling the humidity of the storage space of the refrigerator and the refrigerator, no matter under the condition that a single kind of food material is placed in the storage space of the refrigerator, or, under the condition that the multiple kinds of food materials are placed in the storage space of the refrigerator in a mixed mode, the humidity of the storage space can be controlled to be the optimal humidity so that the effect of achieving fresh-keeping on all the stored food materials can be obtained, and the precious food materials can be preferentially considered.

The invention relates to an assessment method for transient voltage stabilization of a load area of an electrical power system and belongs to the electrical power system stability analyzing and assessment field. The assessment method for the transient voltage stabilization of the load area of the electrical power system includes that using data measured by a synchronous phasor measurement unit as basis, and building an initial sample database for data mining through a lot of simulation samples; extracting characteristics for reflecting the stabilization degree of each node through the quantitative evaluation for each node in the area; identifying through a multiple linear regression method to obtain sensitivity coefficients for reflecting the mutual influence relations between the nodes in a local area network; using a semi-supervised clustering method to demarcate all the samples; using a decision tree algorithm to perform classified learning to obtain a decision tree model, and using the decision tree model for online monitoring to assess the global transient voltage stabilization state of the load area of the electrical power system.

The invention discloses an automatic fixed-length cutting machine for a soft rubber hose. The automatic fixed-length cutting machine comprises a regulating part, a transmitting part, a rapid cutting part, a controlling part and a pipe reeling part which are sequentially arranged along the motion direction of the soft rubber hose, wherein the transmitting part is arranged on the regulating part; amatched cavity matched with the soft rubber hose is arranged between a pair of special synchronous belts in the transmitting part; an inlet of a rubber hose guide sleeve in the rapid cutting part is opposite to an outlet of the matched cavity between the pair of the special synchronous belts; a cutter of the rapid cutting part is positioned right above the soft rubber hose and close to a tail endoutlet of the rubber hose guide sleeve; a monitoring region is formed between two pairs of correlation pipes in the controlling part; and a coiling motor in the pipe reeling part is synchronously matched with a servo motor in the transmitting part in the working process. According to the invention, the automatic fixed-length cutting can be realized; the size precision of the soft rubber hose is ensured; the automatic fixed-length cutting machine is convenient and safe to operate, has high automation degree, high working efficiency and low labor intensity; the economic loss of manufacturers can be avoided; and the production cost is reduced.

The invention provides an online information protection method and an online information protection device, relating to an internet technology. The online information protection method comprises the steps of: acquiring identity information of a user when the user logs in a client; generating a dynamic watermark according to the identity information; acquiring window information of the client; acquiring a display position of the dynamic watermark in a window of the client according to the window information; and displaying the dynamic watermark in the window of the client. The method and the device have the advantages that the purpose of protecting online information in the window of the client of an online system can be achieved, a user can trace behaviors of acquiring the online information in abnormally manners such as screen capture and photo taking, so that the safety audit to the online information by enterprises can be enhanced, leakage events of the online information can be reduced, and furthermore, economic losses and negative social impacts brought by such events to the enterprises can be avoided.

The invention relates to a system for estimating the life of the mechanical and electrical wearing parts for the power set, which comprises a database, a server, a software, a knowledge base, a man-machine interface, and a user terminal system, the life estimation method comprises: counting the history data of the life of the mechanical and electrical wearing parts, setting up a life database of the mechanical and electrical wearing parts, determining the distribution category and parameters of the mechanical and electrical wearing parts, counting the reliability R(t) of the mechanical and electrical wearing parts, counting the reliable life tRO of the mechanical and electrical wearing parts, setting up a knowledge base of the malfunction result of the mechanical and electrical wearing parts, determining the changeover period HRP of the mechanical and electrical wearing parts, estimating the residual life HRL, adjusting the planned maintenance interval to realize the optimized maintenance. The advantages of the invention are that the changeover period of the mechanical and electrical wearing parts can be calculated quantitatively in the using stage of the power set, and the residual life of the parts can be calculated quantitatively, thereby a computer online monitor of the changeover period and the residual life of the mechanical and electrical wearing parts can be realized.

The invention relates to a device and a method for detecting cold damage of peach fruits based on reflection and semi-transmission hyperspectral images, belonging to the field of a non-destructive testing technology of quality of agricultural products. The method comprises the steps of: acquiring reflection and semi-transmission hyperspectral images of harvested peaches in different cold damage stages during low temperature storage through a hyperspectral imager, analyzing the difference between spectral values and images of peach fruits suffering from cold damage and normal peach fruits, extracting characteristic parameters of response, optimizing and determining a variable set of reflecting cold damage characteristics of the peach fruits, and establishing a mathematic model for judging the cold damage of the peach fruits based on a Fisher discrimination method, wherein the discrimination accuracies of the established detection models based on the reflection and semi-transmission hyperspectral images respectively reach 85.6 percent and 95.6 percent. The method is capable of accurately identifying the harvested peach fruits suffering from the cold damage instead of manual detection so that the loss of storage of the harvested fruits is reduced, and can be used for detection and monitoring in circulation, storage and marketing process of harvested fruits.

The invention discloses a service authentication method and system, the method comprises that: a household gateway receives an authentication request message transmitted by a terminal, carries a first user information in the authentication request message, and add a gateway identification character of the household gateway per se in the first user information to form a second user information; the household gateway transmits the second user information to a service authentication platform; the service authentication platform performs the service authentication according to the second user information. The system comprises a household gateway and a service authentication platform, wherein, the household gateway comprises a message receiving module, an information adding module and an information transmitting module. The invention reduces the probability for decoding the user information, prevents the economic loss caused by the decoding the user information and improves the safety of the household network, meanwhile the user need not execute extra large quantities of operations.

The invention provides a fault handling method and device for an air conditioner and the air conditioner. The fault handling method for the air conditioner includes the steps that whether a communication fault occurs between an indoor unit and an outdoor unit of the air conditioner is detected; when a communication fault between the indoor unit and the outdoor unit of the air conditioner is detected, the indoor unit and the outdoor unit are controlled to continue operating in the current operating mode; when the time length that the indoor unit and the outdoor unit are controlled to continue operating reaches a preset time length, if the communication fault between the indoor unit and the outdoor unit is not relieved, the indoor unit and the outdoor unit are controlled to stop working. By means of the technical scheme, it is guaranteed that the air conditioner system can continue operating for a period of time when a communication fault occurs between the indoor unit and the outdoor unit of the air conditioner, and serious economical loss caused by direct shutdown of the air conditioner system on some special use occasions is avoided.

The invention discloses a remote fire monitoring electric meter system based on Internet of Things. The remote fire monitoring electric meter system comprises electric meter detectors, an Internet of Things monitoring detectors and a monitoring center platform, wherein the electric meter detectors are used for detecting residual current, wire through current and temperature data in a circuit in real time; the Internet of Things monitoring detectors are used for analyzing and processing data sent by the electric meter detectors, judging whether phenomena that the electricity is leaked, the circuit is overloaded and the temperature of electric devices is abnormal occur in the circuit or not, and sending the abnormal phenomena to the monitoring center platform through the Internet of Things; the monitoring center platform is used for comprehensively managing the abnormal data sent by the Internet of Things monitoring detectors, alarming through a central alarming platform when the circuit is abnormal, accurately displaying positions of faults, automatically informing relevant responsible personnel to repair the faults and eliminate hidden danger through calls or short messages. The remote fire monitoring electric meter system can be simultaneously linked with a fire protection monitoring center, so that the fire protection monitoring and early-warning capability can be improved; the remote monitoring is achieved; the fire protection force can be remotely deployed; new generation of information network communication is accelerated and promoted; the electricity safety innovative service mode is promoted.

The invention relates to an electric power plant condenser high pressure water shooting flow online washing robot technology that cleans the electric power plant condenser by high pressure water shooting flow. Setting the mechanism arm locating device and high pressure soft tube into the condenser by using the combination method and install structure of locating mechanism arm orientation device formed by extending mechanism arm and rotating mechanism arm, high pressure soft tube manage device, and high pressure spray head control device, locates the spray head on the rotating mechanism arm by computer control system, sends to the inner of the condenser copper pipe, and cleans the dirt in the inner of the condenser copper pipe by high pressure water shooting flow. The generating set needs not stop while cleaning. The invention has advantage of simple structure, no pollution and high reliability.

The invention discloses a large-scale computer fixing seat with a shock absorbing function, which comprises a load bearing plate. Both sides of the top of the load bearing plate are provided with slide grooves, and both sides of the bottom of the load bearing plate are fixedly connected with shock absorbing devices. Both sides are fixedly connected with a first telescopic rod, the top of the first telescopic rod is fixedly connected with a fixed plate, and the middle of the bottom of the fixed plate is fixedly connected with a double rack, and the bottom of the double rack runs through the load-bearing plate and extends to the bottom of the load-bearing plate , The present invention relates to the field of computer technology. The large-scale computer fixing seat with shock-absorbing function solves the problem that the current large-scale computer has a poor shock-absorbing effect and is easy to cause damage to the computer during the moving process, prolongs the service life of the computer, and ensures the normal operation of the computer. operation, to avoid causing huge economic losses to people, the computer is not easy to be damaged, and the maintenance times are reduced.

The invention discloses a high-voltage inverter convenient to move. The high-voltage inverter convenient to move is simple and reasonable in structure, low in production cost, convenient to mount andcomplete in function. A moving device, with the damping function, special for the inverter is provided, the damping function is achieved, when the inverter is transported, the inverter is protected, the inverter is not prone to damage, and economic losses are reduced; a spring is arranged between a groove and a support, vibration can be effectively resisted, a handle is rotated, a clamping block clamps the inverter, shaking is prevented, damage in the transporting process is avoided, a hydraulic rod works, a lifting frame descends, a concave frame covers the inverter, the freedom degree of theinverter can be limited to a great degree, a rotating motor drives a rotating shaft to rotate, a first shaft sleeve and a second shaft sleeve move to achieve ascending and descending of the sliding rod, the height of the whole device is greatly adjusted, through motor ascending and descending, the inverter is stable and efficient, the inverter cannot be damaged, an air pressure rod extends out ofa universal wheel and is moved through the universal wheel, and after the air pressure rod is moved to the designated place, the air pressure rod retreats from the universal wheel.

The invention discloses a server long-distance monitoring and fault processing device and method based on a short message of a mobile phone, which can solve the problems in the prior art that various application service ports in a server cannot be monitored, and a fault cannot be processed in a long-distance manner by using a mobile phone. The server long-distance monitoring and fault processing device comprises a local area network, a GSM (Global System for Mobile Communications) modem, a mobile network and a mobile phone. A mobile phone terminal is used for receiving an alarming short message and sending the message to a monitoring server through the mobile network and the GSM modem. The server long-distance monitoring and fault processing method comprises the following steps of: collecting states of the server and various services in real time through a monitoring program; and if the monitoring program collects an abnormal state, automatically sending the alarming short message to an assigned mobile phone by using the mobile network through a short message platform and the GSM modem. The device can monitor a plurality of servers in the local area network just by one service terminal without a client. The device has the characteristics of low price, strong practical applicability, convenience in use and the like.

The invention relates to a degradation modeling-based equipment failure number prediction method. Performance degradation data obtained by a product during a performance changing process is fully utilized to predict the residual life of the single high-reliability product; a failure number of the equipment is determined; and spare part management is optimized based on the prediction of the failure number of the equipment. The method comprises the following four steps: establishing a performance degradation model of the equipment; carrying out parameter estimation in the performance degradation model; carrying out residual life prediction; and carrying out equipment failure number prediction. Compared with the prior art, the provided method enables prediction parsing to be carried out on the individual residual lift and the general reliability service life of the product; and the provided method can be used as an effective analytic tool for predicting the product residual life and the failure number. And a powerful theoretical basis and technical support can be provided for product maintenance and spare parts ordering strategy determination. Therefore, the expenditure can be saved and unnecessary economic loss can be avoided. And thus the method has the great engineering application value.