615results about How to "Reliable" patented technology

The invention relates to an intelligent force control robot grinding system. The intelligent force control robot grinding system comprises a computer, an industrial camera, a robot, a robot controller, a calibration and compensation system, a safety protection unit, a force sensor and an automatic knife changing system. The computer is connected with the industrial camera. The robot controller is connected with the computer, the robot, the calibration and compensation system, the safety protection unit, the force sensor and the automatic knife changing system. A method comprises the steps that the computer receives workpiece scanning data collected by the industrial camera, generates a knife path and converts the knife path into the robot posture and the tail end path; calibration and compensation are carried out; the robot controller controls all joints to move while the robot posture and the tail end path are adjusted. Hardware of a high-precision force control grinding system is achieved, the path self-calibration and online compensation technology is adopted, and the machining of a complex hook face with the high requirements for machining precision and surface smoothness can be finished.

A fluid dispensing assembly for fluid dispensing and fluid transmission from a fluid source. The fluid dispensing assembly alone may dispense from a fluid source, or may be connected to a fluid dispensing system. The fluid dispensing assembly has a closure connected to a coupler. The closure includes fill through capabilities. The coupler is provided with a locking feature for preserving proper orientation and a closed position before being coupled to a piece of fluid dispensing equipment.

The invention relates to a device for automatically correcting an accelerator pedal misoperation to a braking operation by electrical and mechanical combination, which belongs to a device capable of obtaining a mechanical operation for driving a brake device by means of electrical signal conversion of a mechanical operation of stepping on an accelerator pedal by mistake. The device comprises a sensor and is characterized in that the device further comprises a signal analyzer and a brake starting mechanism, wherein the sensor is connected with the signal analyzer to transmit an accelerator signal from the sensor to the signal analyzer, the signal analyzer is connected with the brake starting mechanism and transmits a brake start-up signal to the brake starting mechanism. The invention has the advantages that the mechanical operation of stepping on the accelerator pedal by mistake is converted into an accelerator electrical signal through the sensor, an electrical signal of serious accelerator pedal misoperation is analyzed, then the electrical signal of serious accelerator pedal misoperation is converted into an electrical signal for starting the brake device, and the brake starting mechanism generates a braking mechanical operation, as a result, the mechanical operation of stepping on the accelerator pedal by mistake is automatically converted into the braking operation of thevehicle, which prevents the occurrence of serious vehicle accidents caused by the misoperation of the accelerator pedal.

The invention discloses a tunnel body form deformation mobile monitoring system and a monitoring method thereof. The hardware comprises a laser scanner, a CCD camera, a speed meter, an inertial navigator, a central control unit and bar codes. The central operation control unit leads the hardware of each sensor to be synchronous, stores the data of each sensor and carries out the corresponding position and stature calculation so as to process the obtained point cloud data of the tunnel sections; the bar codes are distributed at the positions on the tunnel surface where the CCD camera can shoot and the storage position information of the bar codes is adopted as the position reference of moving carriers and sensors. The hardware of the tunnel body form deformation mobile monitoring system provided by the invention is helpful for quickly and dynamically collecting space data and for further carrying out the body form deformation analysis through three dimensional modeling and reconstruction of models so as to monitor the deformation process continuously.

The invention discloses a corrugated double-inner-cavity gas-powered flexible micro finger, a control method and a grabbing system. The corrugated double-inner-cavity gas-powered flexible micro finger comprises a double-inner-cavity gas-powered flexible micro finger body composed of two independent pneumatic half-corrugated hollow rubber tube half-fingers I and II which are symmetrically arranged. A thin sheet type bending tilt angle sensor making contact with the two half-fingers is arranged between the two half-fingers. The two half-fingers are provided with a gas inlet and outlet I and a gas inlet and outlet II respectively. The outer side of the top face of each independent pneumatic half-corrugated hollow rubber tube half-finger is a corrugated surface, the bottom face of each independent pneumatic half-corrugated hollow rubber tube half-finger is a horizontal plane, and the top face and the bottom face of each independent pneumatic half-corrugated hollow rubber tube half-finger are connected into a whole to form a hollow sealing cavity. The bottom faces of the two independent pneumatic half-corrugated hollow rubber tube half-fingers I and II are aligned with each other and then are pasted on the thin sheet type bending tilt angle sensor. The corrugated double-inner-cavity gas-powered flexible micro finger has the advantages of being low in cost, safe in cleaning, easy and convenient to install, good in flexibility, smooth in motion, low in noise and free of pollution, having mechanical performance similar to that of biological muscles, and the like.

The invention provides an intelligent mobile terminal television remote control system, the hardware frame of which comprises: (1) a intelligent handset terminal, used as a remote terminal for realizing multifunctional remote control operation, having a blue tooth communication function and equipped with Microsoft Windows Mobile 5.0 operation system; (2) a media center PC terminal, used as a server side for processing and controlling data, equipped with Microsoft Windows XP Media Center Edition operation system; (3) a high definition television terminal, used as display terminal for receiving television signals transmitted form the media centre PC terminal and displaying the signals on screen; the above hardware frame realizes the mentioned functions by the server side assembly, the intelligent mobile terminal assembly and a data transmitting assembly. The invention adopts blue tooth communication technology and utilizes intelligent handset terminal to completely realize the function of using handset to remote control television and displaying the sub channel program on the intelligent handset. The system has reliability, robustness, easy-maintainability and expansibility, and lays a good base for establishing more and better applications.

The invention discloses a marine Internet of Things data security sharing method under an edge computing framework based on federated learning and a block chain technology, and the method comprises the steps: firstly the parameter quality and reputation of edge nodes are calculated, and the selection of the edge nodes are carried out; secondly, the edge server issues an initial model to the selected edge node, and the edge node performs local training by using a local data set; then, the edge server updates the global model by using the local training data parameters collected from the edge nodes, trains the global model in each iteration, and updates the reputation and quality metrics; and finally, the alliance block chain is used as a decentralized method, and effective reputation and quality management of workers are achieved under the condition of no reputation and tampering. Besides, a reputation consensus mechanism is introduced into the block chain, so that edge nodes recorded in the block chain are higher in quality, and the overall model effect is improved. According to the invention, the marine Internet of Things edge computing framework has more efficient data processingand safer data protection capabilities.

The invention relates to a traffic signal coordination control optimization method for an emergency rescue vehicle driving path. The method comprises emergency rescue prioritization, path type classification, signal priority control, signal coordination control, and a bi-level programming model; relevant coordination control research on paths is conducted; first, emergency rescue characteristics and objects are analyzed, research on upper level dynamic phase difference and lower layer path green wave coordination in different path forms is conducted, and relevant case analysis and verificationare performed. The method disclosed in the invention is characterized by real time performance, traffic signal coordination priority control over an emergency rescue path can be exerted based on timewhen an emergency rescue team reaches a crossroad and real time vehicle load information of general vehicles, emergency rescue response time can be shortened, and casualties and property loss can beeffectively reduced.

The embodiment of the invention discloses a method of device discovery and a digital television terminal. The method comprises the following steps: generating a two-dimension code comprising device identification information by the digital television terminal, wherein the device identification information is information capable of identifying the digital television terminal; displaying the two-dimension code generated by the digital television terminal on a display interface for user interaction to allow a mobile terminal to acquire the two-dimension code and build relationship with the digital television terminal through the two-dimension code. Through the adoption of the method and the digital television terminal, the two-dimension code can be generated through the digital television terminal to realize multi-screen interactive business, so as to guarantee the reliability of the device discovery.

An Android malicious application detection system based on multi-operation environment behavior comparison comprises an information extraction module, a dynamic analysis module, an environment detection countering module, a behavior record analysis module and a system operation scheduling module, wherein the information extraction module is used for decompiling a detected APK installation file andproviding data support for subsequent log analysis; the dynamic analysis module is used for dynamic analysis of an Android application by using a sand box technology and recording behaviors executedin the program running process; the environment detection countering module is used for detecting environment detection behaviors in the program running process in real time, carrying out countering according to the detection behaviors of different levels and modifying operation environment detection results in the application into camouflage operation environment characteristics; the behavior record analysis module is used for unified management and analysis of all behavior logs after the to-be-tested application repeatedly runs; the system operation scheduling module is used for controllingthe whole operation process in the system operation process. By means of the method, the behavior difference situation of the application can be captured, whether malicious behaviors exist or not is detected, and the method is suitable for recognizing environment-sensitive malicious applications.

The invention discloses a tunnel easy-cutting anchor-rod full-section pre-consolidation construction method, comprising the following steps: firstly, survey design before construction is carried out, pre-consolidation is carried out to a face core body to be excavated by adopting an easy-cutting anchor rod according to the sampling analysis and classification of rock-soil, meanwhile, a measuring instrument is installed to monitor the change thereof, and then full-section excavation is carried out. The construction method takes the problem of how to deal with the 'core body to be excavated' in front of the face as the key for controlling the integral stability of the tunnel, an easy-cutting glass fiber anchor rod which is pre-consolidated along tunnel vertical full-section is used for improving the equivalent stiffness of the 'core body to be excavated' and controlling the deformation of the 'core body to be excavated' so as to cause arching effect around the tunnel to function naturally, thus guaranteeing the full-section, safe and quick excavation and drivage of the tunnel. The construction method is safe and reliable, can realize tunnel full-section mechanized and modernized construction, and has good production efficiency, continuous and stable construction progress, and controllable project cost.

The present invention proposes a document encryption / decryption method and apparatus based on iris recognition and authentication. The method comprises: collecting an iris image of a user, generating iris feature data after analyzing and processing the iris image, and registering the iris feature data into an iris information feature library; encrypting a document by using the iris feature data as a key; and after it is detected that the document is requested to be decrypted, determining whether a living body iris image is collected, if so, carrying out feature extraction on the living body iris image, acquiring iris feature data corresponding to the living body iris image, comparing the iris feature data of the living body iris image with the iris feature data corresponding to the document in the iris information feature library, and if iris feature data of the living body iris image are consistent with the iris feature data corresponding to the document, then decrypting the document, otherwise, prompting that the decryption fails. According to the document encryption / decryption method and apparatus based on iris recognition and authentication, the iris image with uniqueness can be used to carry out identity recognition, thereby triggering an encryption and decryption algorithm to realize security management for the document. The entire encryption / decryption process is simple, convenient and free of potential security hazards.

There is provided a network system having high security nature and excellent operability. The network system has an information provision system provided with an information provision server which provides information and a first network, an authentication system provided with an authentication server which authenticates access to the information provision server by a user using a user terminal, and a communication channel.

A multivariate product quality monitoring method oriented to a digital workshop includes the steps: building a quality information acquisition scheme suitable for the digital workshop; building a quality control and improvement model oriented to the digital workshop, and particularly performing multivariate process capacity analysis based on an improved principal component analysis method according to multiple quality characteristics of key processes of key products of a machining workshop; controlling and diagnosing multivariate product by the aid of principal component analysis technology to solve the problem that a multivariate statistical control chart difficultly diagnoses and positions process exception. The quality assurance capability of the key processes of the key products can be quantitatively evaluated by the workshop, and a source of a quality problem is timely positioned when the quality problem arises, so that further cost loss is avoided.

The invention relates to a system for achieving leak application and communication safety detection of a smart mobile terminal, wherein the system comprises a protocol data packet capture module, a protocol conformance detection module, and a system leak detection module; the protocol data packet capture module is used for capturing and analyzing IPV4, IPV6 protocol data packets dispatched by the smart mobile terminal in real time; the system leak detection module is used for detecting leaks of an operation system and an application system of the smart mobile terminal. The invention also relates to a method for achieving leak application and communication safety detection of the smart mobile terminal. By adopting the system and the method for achieving leak application and communication safety detection of the smart mobile terminal with the structure, the functions of protocol data packet capture analysis, conformance detection, leak detection of the operation system and the application system, and the like can be achieved; main functions required for conventional safety detection of the smart mobile terminal are provided; the use safety of the smart mobile terminal is improved; the system has a wider application range.

The invention relates to a database security assessment method, belonging to the technical field of database security. In the method, the following modules are involved: (1) an information collection module, (2) an audit module, (3) a penetration testing module, (4) a trace processing module, (5) an assessment module and (6) a system control module. The system control module is implemented by the adoption of a programmable controller, is connected with other modules, and controls the operation and the data acquisition of each module. By the database security assessment method, a database security assessment report with reliability and security can be provided aiming at the problem that commercial vulnerability scanning tools hide test results in practical application, the current vulnerability risk level of the database is emphasized, the current security problems of the database are learnt by a database administrator intuitively, a security policy is completed, and security risks are lowered.

The invention discloses a drone-based non-contact high slope surface displacement monitor method. The method comprises following steps of: burying a monitor pile; burying a monitor base point, and determining spatial coordinates of the monitor base point; determining an aerial photographing region according to a high slope, a position of the monitor point and a position of the monitor base point,and collecting images of the aerial photographing region by using a drone; processing images collected by the drone, and calculating spatial coordinates of a center point of each monitor pile according to a camera parameter and the spatial coordinates of the monitor base point; performing aerial photographing in the aerial photographing region for many times, acquiring spatial coordinates of the center point of the monitor pile each time, calculating displacement change each time, performing surface reconstruction on the high slope according to displacement change each time, and generating a displacement cloud picture; and evaluating stability of the high slope quantitatively according to displacement change. The method improves monitor efficiency of the high slope remarkably, saves cost,and reaches monitor accuracy of a construction monitor requirement.

The invention provides a network storing method. The method comprises the steps of building a global block, a first-stage index area and a data area in a storing device; directly storing video data into the storing device; setting a frame cache and an index cache; storing the frame data and the index information into the frame cache and the index cache in advance during storing the video; performing organization management for the video information through an index tree. The method is a network based network method; large data quantity can be stably stored and quickly and accurately searched; the practicability and reliability are ensured.

The invention discloses a wireless sensor network route ant colony algorithm optimization method. A wireless sensor network route is solved by utilizing an ant colony optimization algorithm, on the basis of improvement and optimization of the basic ant colony algorithm, improvement of parameters in a probability selection formula is carried out, a pheromone regular broadcast mechanism related with the algorithm is introduced, the ant colony algorithm is realized in a special-purpose wireless sensor network operation system TinyOS, the algorithm enables the wireless sensor network route to realize selection of a shortest path as well as network energy consumption balance, a whole network life period is prolonged, and dynamic change of a network structure can be well adapted.

The invention provides a scenic spot recommendation method based on hybrid supervised learning. The scenic spot recommendation method comprises the steps of obtaining historical tourist touring data;constructing a scenic spot knowledge graph; performing corresponding attribute sub-graph extraction on the scenic spot knowledge graph according to the attribute category of the scenic spot; generating a scenic spot sequence; training the scenic spot sequence and mapping the scenic spot sequence into a low-dimensional vector space to generate a feature vector; adding and averaging the vectors of each scenic spot under different attributes to obtain a fused semantic feature vector of each scenic spot; learning tourist vectors and scenic spot potential vectors; carrying out matrix decompositionon the tourist vector and the fused semantic features to obtain a first interaction vector; obtaining a second interaction vector of the tourist vector and the scenic spot potential vector by using amulti-layer perceptron; splicing the first interaction vector and the second interaction vector and performing normalization processing to obtain a score of the tourist for the scenic spot; ranking the scores of the tourists for the scenic spots from high to low, and obtaining a top _ k scenic spot recommendation list by taking the first K scenic spots with the highest scores.

The invention relates to a method for analyzing the crude oil mass fraction in the drilling well fluid by a nuclear magnetic resonance technology. On the basis of the theory for measuring the oil content by nuclear magnetic resonance, the method realizes the quantitative analysis of the oil mass fraction of the drilling well fluid in a petroleum drilling well by a nuclear magnetic resonance analytical instrument through manufacturing a working curve of the oil mass fraction of the drilling well fluid in a target layer and carrying out the nuclear magnetic resonance continuous analysis of the drilling well fluid along the drilling. The method comprises the steps of calibrating by the nuclear magnetic resonance analytical instrument, manufacturing the working curve of the oil mass fraction of the drilling well fluid, collecting and processing a drilling well fluid sample, analyzing by nuclear magnetic resonance and solving the oil mass fraction in the drilling well fluid. After being applied, the invention can accurately detect the oil content of the drilling well fluid, analyze the drilling well fluid in the well drilling process in time at the well drilling scene, obtain the analytical data of the oil content of the drilling well fluid in time and achieve the quantitative evaluation on the oiliness of a storing and collecting layer, has real, accurate and reliable measured data and provides technology support for the exploration, development and production of petroleum in time.

The invention discloses a transduction component with a surface-mounted semi-conductive bridge for an electric initiating explosive device. The component comprises an electrode plug, a leg wire electrode of the electrode plug and a printed circuit board, wherein two pad electrodes are arranged on two faces of the printed circuit board respectively and symmetrically, a plurality of conductive adhesive mark jars which are used for connecting chips are arranged on the pad electrode of which the face is in contact with the electrode plug, two electrode holes which are used for penetrating through the leg wire electrode of the electrode plug are arranged on the printed circuit board, the electrode holes penetrate through the pad electrodes of two faces of the printed circuit board and are connected with the pad electrodes, an opening is arranged in the center of the printed circuit board, a semi-conductive bridge chip is installed on the face of the printed circuit board, which is in contact with the electrode plug, and the opening aligns to the bridge region of the semi-conductive bridge chip. The opening is arranged in the center of the printed circuit board, a surface assembly technology of an inverted chip is used, the chips can be connected with printed circuit board electrodes reliably through one process, the structure is simple, the welding strength is high, the action is reliable, the product pass percentage is high and the production cost is low.

The invention provides a screw-type active-thrust capsule-like robot comprising a front cover, a controlling and sensing device, a battery holder, a battery, a driving motor, an outer shell, a sealing ring, a rear cover, a flexible coupler and a thrust screw. The connection relations of all the components are as follow: the driving motor is sleeved in a front cavity of the outer shell; the battery is in the battery holder, one end of the battery contacts with the driving motor, the other end of the battery contacts with the battery holder; the bottom of the battery holder contacts with the controlling and sensing device; the front cover is sleeved at one end of the outer shell and seals the controlling and sensing device, the batter holder, the battery and the driving motor in the front cavity of the outer shell; the sealing ring is arranged in a rear cavity of the outer shell; the rear cover is in interference fit or threaded fit with the other end of the outer shell and forms the rear cavity with the outer shell; one end of the flexible coupler is tightly sleeved and connected with a motor shaft of the driving motor, and the other end of the flexible coupler is connected with the stem end of the thrust screw. The robot of the invention has excellent motion performance and high driving efficiency, is suitable for flexible and elastic organ wall environments and has reliability and practicability.

The high-rigidity synchronously spreading folded space extension arm consists of folded truss units capable of being expanded repeatedly and being spread, driving system, power supply system and supporting space platform. The folded truss units are basic units to constitute the extension arm and are connected mutually via standard triangular joints; the driving system is inside the triangular space in the bottom of the extension arm and is connected to the supporting space platform and to the power supply system through the transmission shaft. The truss structure in triangular prism form of the present invention has geometrical stability, high structural rigidity and high unit repeatability, and may be spread and folded synchronously in high precision. The present invention may be used in large communication satellite, electronic reconnaissance satellite and space station platform.

The invention discloses a mechanical-hydraulic double-acting release rotary tail pipe hanger, and belongs to the technical field of manufacturing downhole tools for oil and gas well cementing operations in oil and gas development. The mechanical-hydraulic double-acting release rotary tail pipe hanger comprises a short drill pipe, an upper joint, a release mechanism, a double male joint, a male and female joint and a lower joint. The short drill pipe, the upper joint, the double male joint and the lower joint are connected in a threaded manner from up to down sequentially. The mechanical-hydraulic double-acting release rotary tail pipe hanger further comprises a loading mechanism comprising a hanger set hydraulic cylinder, a light-load bearing, conjoined twin slips, a conjoined twin cone, a heavy-duty bearing and a central pipe. The hanger set hydraulic cylinder, the light-duty bearing, the conjoined twin slips, the conjoined twin cone and the heavy-duty bearing are arranged on the central pipe from down to up sequentially. The central pipe is connected at the lower end of the male and female joint. The heavy-duty bearing is arranged between the male and female joint and the conjoined twin cone. By the aid of the mechanical-hydraulic double-acting release rotary tail pipe hanger, a tail pipe can rotate when the a tube pillar enters, after the hanger is set and is separated from a releasing release, the slips and the bearings bear the hanger, and functions of rotating and well cementing of a heavy-duty tail pipe is realized.

The method comprises: a) the newly added P2P network node establishes an initialization connection between itself and the currently active node; b) the nodes that have already established an initialization connection optimizes the initialization connection established in order to build a P2P network system with cluster-based architecture. By the invention, it is implemented gathering nodes in P2P network into different clusters so as to improve the gathering degree and connectivity, which can make the gossip release mechanism either get an ideal diffusing speed or have certain reliability.

The invention discloses a dynamic pore-pressure static sounding probe for detecting sludge. A coaxial cable (1) is used for transferring a signal and data; an analogue-digital converter (2), an acceleration transducer (3) and a gradiograph (4) are arranged on an upper half section of the probe; a side-wall friction cylinder (5) is arranged on a lower half section of the probe; a side wall frictional resistance sensor (6), a pore water pressure sensor (7), a disc resistance sensor (8) and a temperature sensor (9) are arranged in the side-wall friction cylinder (5); a disc (10) is connected under the side-wall friction cylinder (5); a filtering net (11) is arranged at the center of the disc (10); the filtering net (11) is also located at the center of the side-wall friction cylinder (5); and a water inlet channel is formed between the filtering net (11) and the pore water pressure sensor (7). The application of the probe has the characteristics of in-situ, directness, quickness, accuracy, economical property, and the like, and a powerful testing tool is supplied to geotechnical engineering practice.

The invention belongs to the technical field of electrical equipment monitoring and relates to a monitoring method and a monitoring system for an overheat fault of a transformer. The technical problems that traditional monitoring methods and monitoring systems in the prior art are not reasonable enough and the like are solved by the invention. The monitoring system comprises the following steps: A, thermal image acquisition; B, image recognition processing; and C, fault diagnosis and processing. The monitoring method and the monitoring system for the overheat fault of the transformer have the advantages that acquired image information is recognized by adopting a non-contact monitoring mode to realize fast recognition and diagnose of the part, the degree the type of the early potential fault of the transformer. The monitoring method and the monitoring system for the overheat fault of the transformer have the characteristics that the safety, the reliability and the efficiency are high. Meanwhile, by utilizing the non-contact monitoring mode, a condition is provided for realizing all-weather state monitoring on the transformer on the premise that the operation of the transformer is not influenced, and therefore, the safe, stable and reliable operation of equipment is ensured, the maintenance level of the transformer is comprehensively promoted, and the maintenance cost is reduced. The system is reasonable in design, simple in structure, good in working stability and high in fault detection rate.

The invention discloses a wireless connection method and a system thereof. The method comprises the following steps of stepS100, scanning and acquiring an unencrypted wireless network of a visible SSID; stepS300, according to the visible SSID, acquiring a hidden SSID of an encrypted wireless network; stepS400, through the hidden SSID, sending connection request information to a wireless router corresponding to the encrypted wireless network; and stepS500, when request passing information fed back by the wireless router is received, successfully accessing the encrypted wireless network. By using the wireless connection method and the system thereof, different services can be provided for a common user and a VIP user so that the VIP user acquires a better wireless network service, and a usage experience and satisfaction of the VIP user are greatly increased.