37868results about How to "Guaranteed reliability" patented technology

A wearable electronic device (10) is disclosed comprising a location determining component (12) enclosed by an elongated housing (14) and a strap (16) operable to secure the housing to a user's forearm for use during exercise or other periods of activity. The housing (14) includes a display (30) and at least one input (44). The display (30) communicates information concerning the device (10) and the input (44) controls the operation of the location determining component (12). In a first preferred embodiment, the location determining component (12) is a GPS receiver operable to determine a geographic location of the device (10). In a second preferred embodiment, the device (110) comprises a location determining component (112) and an exercise performance monitor component (162) operable to compute information relative to the user's exercise. In a third preferred embodiment, the device (212) comprises a location determining component (212) and an entertainment component (264) operable to execute at least one game. In a fourth preferred embodiment, the device (310) comprises a location determining component (312), an exercise performance monitor component (362) and an entertainment component (364).

The system of the present invention guarantees quality of service with respect to packets transmitted / received between an external network capable of providing differentiated services and a home network. The system includes a packet classifier, a marker, a priority class queue, a scheduler and a token bucket. The packet classifier classifies the packets according to addresses and traffic types. The marker allocates information on priorities to packets transmitted from the home network to the external network. The priority class queue has a plurality of queues classified according to the priorities. The scheduler services packets stored in the priority class queue according to the priorities. The token bucket drops packets, bandwidths of which are above a preset maximum bandwidth, when the packets are generated.

The invention relates to an air-powered engine assembly, which comprises an air tank, an air valve, an air distributor, an intake pipe, camshafts, an intake duct, an exhaust control device, air cylinders, pistons, crankshafts, couplers, clutches, automatic gearboxes and differentials connected with the outside. The assembly is characterized in that the air valve, a constant pressure chamber and a pressure controller are arranged between the air tank and the air distributor; the air distributor is connected with a plurality of air cylinders on an air cylinder gasket; each air cylinder is connected with an exhaust chamber through an exhaust manifold; the exhaust chamber is provided with a turbine generator which is connected with a storage batter; the air cylinders are provided with the camshafts for controlling the air intake and exhaust of the air cylinders; the air cylinders are provided inside with the pistons for driving the crankshafts to rotate; the camshafts and the crankshafts are connected by chains; and the crankshafts are connected with the differentials through the couplers, the clutches and the gearboxes in turn. Therefore, doing work through air compression rather than fuel, the air-powered engine assembly has the advantages of avoiding waste gas discharge and air pollution, along with reliable operation, convenient operation, economical efficiency, practicality and so on. In addition, due to recycle of the waste gas for power generation, the air-powered engine assembly saves energy and reduces costs.

The invention discloses an early warning method and a device for vehicle collision. The early warning method is characterized in that the method comprises the following steps: after a vehicle is fired, colliding an early warning system to begin initializing each parameter, using an OBD information collection module, a sensor information collection module and a GPS information collection module to collect information of the vehicle, using an inter-vehicle information exchange module to collect peripheral vehicle information, sending the information of the vehicle to the peripheral vehicles, calculating individualized collision probability according to self state of a driver, and warning the driver; and the device consists of the OBD information collection module, the sensor information collection module, the GPS information collection module, the inter-vehicle information exchange module, an information exchange module in the vehicles, a collision detection module and a vehicle collision warning module. Each module exchanges information in the vehicle through a wireless local area network in the vehicle, does not change an electric line of the vehicle and does not increase wire harness inside the vehicle, and can effectively reduce occurrence of traffic accidents, so as to reduce casualties.

The invention provides a wireless signal tester calibration device and a method. A frequency meter is used for calibration of an output frequency of output signals of the wireless signal tester; a microwave power meter is used for calibration of output power of output signals of the wireless signal tester; a vector signal analyzer is used for EVM calibration of output signals of the wireless signal tester; a vector signal transmitter and the microwave power meter are used for calibration of power measurement of the wireless signal tester; the vector signal transmitter and the vector signal analyzer are used for calibration of EVM measurement of the wireless signal tester; and thus, reliability of performance test on the corresponding wireless transmitting and receiving equipment by using the wireless signal tester can be ensured. The invention also provides an automatic testing system and a method. The calibration device of the invention can be used for carrying out automatic calibration on the wireless signal tester, and the wireless signal tester after calibration is used for automatically testing to-be-tested wireless equipment.

The invention discloses an identity authentication method, an identity authentication server and an identity authentication device. The method comprises the steps that the authentication server receives a biological characteristic authentication request sent by a client, returns challenges generated randomly to the client and receives a dynamic verification password sent by the client, wherein the dynamic verification password is generated by the client time when the challenges are received, the challenges, a biological characteristic of a user and a first seed key prestored in the client; the authentication server generates a dynamic password according to the time of the authentication server when the dynamic verification password is received, the challenges, the biological characteristic of the user and a second seed key; and the authentication server verifies whether the dynamic password is consistent with the dynamic verification password and returns an identity authentication result to the client according to a verification result. With the adoption of the identity authentication method, the identity authentication server and the identity authentication device, the safety of the dynamic password is ensured through the biological characteristic, and the authenticity and reliability of the identity authentication of the user are guaranteed.

The invention relates to a network-based PB level cloud storage system and a processing method thereof. The network-based PB level cloud storage system comprises a main control server, a storage server cluster and a client side which are operated through an internal exchange, wherein the main control server is used for providing the directory information and the meta data information for a cloud storage client side and monitoring the storage server cluster; the storage server cluster comprises a plurality of storage servers used for data storage; the client side is used for providing the virtual disc service for a cloud storage client machine, submitting an operation request of the cloud storage client machine to a virtual disc to the main control server and reading / writing the file data from the storage server, and a client-side module is arranged on the cloud storage client machine. The invention is easy to expanded and is convenient to manage, solves the problem of storage island, can construct a cloud storage file system provided with the dynamic load balancing capability and the online backup and automatic recovery functions and capable of being expanded on demand on a general-purpose low-performance PC (personal computer) cluster.

An industrial control network security protection monitoring system performs real-time prevention and protection on industrial equipment of the industrial control network, and realizes network security protection monitoring through an acquisition layer, an analysis layer, a function layer and a display layer based on an integrated application platform, wherein the display layer mainly displays security trend, system topology and industrial control panorama; the acquisition layer comprises the acquisition of network data traffic and the recording of industrial control network operations; the analysis layer mainly comprises data processing, data association, data aggregation, data modeling, and integrated interfaces of other function modules; and the function layer mainly comprises monitoring audit, intrusion prevention, vulnerability mining, and data isolation. The system provided by the invention protects and protects industrial equipment in real time through the intelligent protectiontechnology of the industrial network control system, monitors and audits the data information of the entire industrial control network through the monitoring and auditing technology to prevent the industrial control network from being attacked externally, and can also have the vulnerability mining function of the industrial control network to escort the entire industrial control network security.

The invention discloses a fast power transformation station of a battery box of an electric automobile and a replacement method of the battery box. The power transformation station at least comprises the following devices: an automobile positioning platform, a battery box lifting and replacing platform, a stacking machine, a battery box storage rack, a logistics transmission port of the battery box and a delivery roller way which are symmetrically arranged relative to the longitudinal movement axis of the stacking machine, the simultaneous working of the two power transformation systems can be achieved, and the space utilization rate and the power transformation efficiency are improved. The fast power transformation station also comprises a power supply system which is arranged on a roof and consists of a solar photovoltaic power generation battery board; and self sufficiency of power can be achieved by virtue of the solar energy, the power supply of the equipment in the station or the charging for the battery box in the station are met. The invention also provides the replacement method of the battery box of the power transformation station. According to the power transformation station, the distribution is reasonable, the space utilization rate is high, the work of the equipment is reliable and simple, and the power transformation process is fast, so that the power transformation time can be shortened, the power transformation fault is reduced, and the compatibility for different vehicles and different battery boxes is also improved.

The invention provides a method for monitoring hydrology and water quality of a river basin under influence of water projects based on Internet of Things. According to the method, various fixed and flowing sensors are additionally mounted so as to obtain real-time hydrology and water quality data of important water areas, in combination with a video technology, monitoring on a spot environment is achieved, the monitoring information is transmitted through the Internet of Things, intelligent prediction for hydrology and water quality of the river basin is carried out through a neural network, and finally, critical applications, such as current situation assessment, tendency estimation, implementation effect estimation and extreme event handling, are achieved through an expert system. The method provided by the invention can provide real-time, reliable and complete hydrology and water quality information for the river basin under influence of water projects, and can achieve cross-regional and multi-machine type integrated remote protection for the river basin.

The embodiment of the invention discloses an information transmission method, device and system. The method is applied to user equipment (UE) in Internet of vehicles architecture. The method comprisesthe following steps: the UE obtains sidelink retransmission configuration information; and the UE carries out sidelink feedback or sidelink retransmission according to the sidelink retransmission configuration information.

The invention discloses a firmware upgrading method based on digital signatures, and a device thereof, wherein the upgrading method comprises the following steps: encapsulation is performed according to a predefined encapsulation structure so as to generate an upgrading file based on a digital signature; a product needing firmware upgrading obtains the upgrading file; a digital signature file is extracted from the upgrading file and decrypted, so as to obtain an XML file; the XML file is analyzed so as to screen out upgrading module files needing to be upgraded; the legitimacy and integrity of every upgrading module file needing to be upgraded are verified respectively, so as to generate an upgrading script for upgrading all the upgrading module files which pass verification; and the upgrading script is executed so as to upgrade the firmware. The invention discloses a firmware encapsulating method based on digital signatures, and a device thereof. The invention verifies the integrity and legitimacy of every upgrading module file in the upgrading file through the digital signature file, and generates the upgrading script to finish upgrading firmware, thereby improving the security and convenience of firmware upgrading.

The present invention discloses a method and device of device-to-device (D2D) communication. The method provided by the invention comprises: determining a first resource set used for D2D control information transmission according to the configuration parameters of a received D2D control signaling and / or stored radio resource pre-configuration information; determining a second resource used for D2D data transmission; sending D2D control information in the first resource set, and / or sending D2D data in the second resource. According to the invention, the scheduling problem when user equipment (UE) is configured to perform direct communication on a radio resource of a cellular communication system in the prior art is solved, especially in the condition that each configuration has different proportions of uplink subframes and down subframes when the cellular communication system is a TDD (Time Division Duplex) system, therefore when D2D communication only use an uplink resource, the reliability of the transmission of D2D communication control information and data information of different types of business in each D2D configuration and the flexibility of the D2D communication scheduling are ensured.

The invention discloses a distributed task scheduling method and a system based on messaging middleware, belonging to the field of task scheduling of a distributed system. The scheduling of distributed tasks is carried out via message queuing, the tasks to be implemented are stored in a task queue of a master node at first and are then uniformly distributed into available sub-nodes under the master node through load equalization, and independent task processes are started by the sub-nodes to implement the tasks. During scheduling and implementation of the tasks, the real-time monitoring of the states of the master node and the sub-nodes can be realized through node monitoring. In case of faults, the tasks to be implemented or the tasks under implementation can be switched to the spare master node or the available sub-nodes. By adopting the method and the system, the independence of the tasks can be ensured, and the efficiency of task implementation can be improved. Due to the fault switching mechanism, the reliability of the scheduling and implementation of the tasks can be further ensured.

The invention provides a method for reporting channel state information (CSI). The method comprises the step that: a base station indicates user equipment to feed back one or more CSI reports of component carriers at one time. The invention also provides the base station, which is used for indicating the user equipment to feed back one or more CSI reports of the component carriers at one time.

The invention provides a method and a system for processing high-definition remote sensing image data by applying a rational function model, a satellite image block adjustment and auto-match and distributed parallel processing technology. The method comprises the following steps: analyzing and processing input primary image data and computing parameters of the corresponding rational function model so as to obtain a stereo image pair by applying the computed rational function model; performing measurement and singlechip orientation of a control point and a connecting point on the primary image data, and performing block adjustment processing on an error between stereo image pixel data and the primary image data so as to improve the fit precision between the stereo image pixel data and the primary image data; generating an image similar to an epipolar ray, defining a matching template, measuring matched seed points and lines, performing automatic image matching and generating a digital elevation model; and respectively generating a digital orthophoto map and a digital line graph, and finishing manufacturing a product by applying the obtained data.

The invention relates to a wind energy and light energy complementary power supply system based on the energy storage of a super-capacitor, which comprises a DC / DC buck converter (20), an AC / DC converter (30), a super-capacitor unit (40), a DC / AC inverter (50), a DC / DC boost-buck converter (60), a photovoltaic array (70), a wind mill generator (80), an oil engine / commercial power interface (90), an AC load (100) and a DC load (200). The photovoltaic array (70) is connected with the super-capacitor unit (40) by the DC / DC buck converter (20). The wind mill generator (80) and the oil engine / commercial power interface (90) are connected with the super-capacitor unit (40) by the AC / DC converter (30). The super-capacitor unit (40) supplies power to the AC load (100) by the DC / Ac inverter (50) and the DC load (200) by the DC / DC boost-buck converter (60). The invention provides a super-capacitor energy storage device used for the wind energy and light energy complementary power supply system, which can continuously provide power for the communication systems and the residents in remote areas where a distribution network cannot reach.

The invention relates to a multi-platform target tracking and distributed interactive simulation system in the technical field of simulation. The system comprises a target generation module, an aerial sensing platform, an emergency processing platform, a ground control center platform and an HLA distributed interactive simulation module, wherein, the target generation module generates a system tracking object at random; the aerial sensing platform comprises various detecting devices for performing fusion to the detected information and then transmitting the information to the ground control center platform; the ground control center platform integrates all the field information, evaluates the entire field situation and promptly makes an emergency decision; the emergency processing platform receives the information and the commands and realizes target tracking by using airborne equipment; and the HLA distributed interactive simulation module enables the modules to establish an HLA distributed system structure through a distributed network and realizes the multi-information network interconnection. The invention has the advantages of flexibility and extendability, can improve the tracking effect, enhance the visibility of scene demonstration and be widely applied to the fields such as public safety, disaster relief assistance and the like.

The invention discloses an automatic generation method used for a single line diagram of a distribution network and based on topological hierarchy. The method comprises the following steps: deleting related equipment in a topological structure of the distribution network, and simplifying the topological structure of the distribution network; acquiring key nodes of the topological structure of the distribution network, and generating a main framework of the topological structure of the distribution network; arranging the positions of the key nodes based on a gravitation-repulsion model, and obtaining a skeletal structure based on the gravitation-repulsion; describing the topological structure of the distribution network through an outgoing line-trunk line-T-shaped key node-branch line model of a power station; finishing the arrangement and the automatic mapping of the equipment in the power station on the basis of the topological structure of the equipment in the power station; and performing routing mapping without overlap or intersection on decibels of the trunk line and the branch line respectively. The automatic generation method achieves automatic generation of the single line diagram of the distribution network above a certain scale, and simultaneously, the generated single line diagram is clearer and more attractive through the routing algorithm without overlap or intersection.

Embodiments of the invention provide a data retention and verification method and device. The method comprises the following steps of: determining a retention characteristic value uniquely corresponding to retention data by a server according to a preset rule, writing the retention characteristic value into a transaction record of an appointed transaction, and writing the transaction record into a block chain to be stored; when the server verifies verification data, determining a to-be-verified characteristic value uniquely corresponding to the verification data according to the previously adopted manner, and comparing the to-be-verified characteristic value with the retention characteristic value stored in the transaction record of the block chain so as to verify the verification data. Through the method, the data stored in the block chain is unchangeable, and the server can attach the retention characteristic value uniquely corresponding to the retention data into the transaction record to be stored in the block chain, so that the reliability of the retention characteristic value is ensured, and the reliability of carrying out data verification on the verification data by the server through the retention characteristic value is further ensured.

The invention belongs to supervisory technical field for distance treatment, particularly for applying far distance patient monitor system and centralized continuously monitoring process to high-risk people of heart disease. Said system comprising portable monitor carried by patients, hospital central monitor center, doctors' far distance group consultation terminal, ambulance monitor, communication net system, etc. The monitor process is, through communication network such as mobile , local, wireless and internet communication, making hospital central monitor center and portable monitor in and out of the hospital , ambulance carrying monitor and far distance group consultation real-time connecting, exchanging and transmitting information such as real-time ECG, blood pressure, etc., patient geographical location, doctor group consultation and advice, and far distance equipment remote measurement & program controlled in each terminal, realizing continuously monitor to high-risk people of heart disease, applying central remote measurements and program control of far distance mobile terminal, prior to coming on of heat disease early period proper diagnosis given and applying real-time treatment to serious patient, etc.

Disclosed is a wind and solar hybrid power system based on an ultra-capacitor battery hybrid system, which includes a DC / DC buck converter (20), an AC / DC converter (30), an ultra-capacitor assembly (40), a DC / AC converter (50), a battery assembly (60), a battery charge circuit (700), a photovoltaic array (70), a wind generator (80) and an oil engine / commercial power interface (90). The photovoltaic array (70) is connected with the ultra-capacitor assembly (40) through the DC / DC buck converter (20); the wind generator (80) and the oil engine / commercial power interface (90) are connected with the ultra-capacitor assembly (40) through the AC / DC converter (30); the ultra-capacitor assembly (40) charges the battery assembly (60) through the battery charge circuit (700); the ultra-capacitor assembly and the battery assembly provides a definite power buffering to the system so that to maintain a stable voltage of the power supply. The wind and solar hybrid power system of the invention can provides uninterrupted power to the telecommunication system and resident living in the undeveloped areas where the power distribution network can not reach.

An anchor assembly for retaining a cannula or other medical instrument within a body cavity and including an inflatable member selectively disposed between an expanded position and a collapsed position. A mounting assembly is cooperatively disposed and structured with a base, underlying the inflatable member, so as to mechanically attach the inflatable member to an exterior of the cannula. The mechanical attachment is accomplished by one or more retaining segments on the inflatable member being disposed in a compressed or sandwiched orientation between the base and the mounting assembly.

The invention discloses a method and device for transmitting downlink demodulation reference signals of a relay link and a relay system. The method is used for mapping the demodulation reference signals to a time-frequency two-dimensional resource, wherein the demodulation reference signals are non-precoding reference signals and used for carrying out coherent demodulation to the downlink data transmission of the relay link. The invention solves the problem on the transmission of the demodulation reference signals of the relay link, ensures the reliability of the data transmission of the relay link, has no influence on a terminal in the same cell, and simultaneously reduces the expenses of the demodulation reference signals and the complexity of design.

The invention relates the auto sorting faulty goods method on the high-speed automatic production line and unit. The method comprises the following steps: sorting faulty goods system receiving the sorting signal, starting the freedom degree linked conveying device 3, then positioning the mechanical arm connected with 3 on the faulty goods, the mechanical arm keeping the same speed with conveyer belt, gripping the faulty goods, lifting it and releasing it to appointed position. The unit comprises electrical control and mechanical part. The mechanical part comprises 3 and mechanical arm which comprises arm and hand. In the center of the mechanical hand there is camera, and the electrical control is connected with 3 and mechanical arm. The invention possesses high accuracy, low cost, good versatility, and no environmental pollution.

The invention relates to a power transmission tower climbing robot and a power transmission tower routing inspection mode thereof and belongs to the technical field of robots. The robot is formed by a telescopic module, a clamping module and traction modules. The clamping module is divided into an upper clamping module and a lower clamping module, the upper clamping module and the lower clamping module are connected through the telescopic module, and the traction modules are installed on the two sides of the upper clamping module. According to the power transmission tower routing inspection mode of the power transmission tower climbing robot, robots with the corresponding number are installed on corresponding tower piece main materials of a power transmission tower according to routing inspection power transmission tower pieces, the robots of the tower pieces are connected to the corresponding traction modules through traction ropes with detection and maintenance devices, the clamping module and the telescopic module are in linkage to complete climbing and barrier crossing, and thus the detection and maintenance working of the power transmission tower is achieved.

The invention discloses a road boundary detecting and tracking method. The road boundary detecting and tracking method comprises acquiringpolar coordinate data of radar scanning points of the surroundings of an unmanned vehicle through radar scanning, and converting the polar coordinate data into rectangular coordinates; mapping radar points into a polar coordinate grid, and according to the height of extending vertexes in the grid, extracting ground points; extracting road boundary points through the radial distance of the scanning points from a road boundary under the same scanning line as well as the height mutation properties of the neighboring scanning points and by combining with a road extending direction; performing filtering through the random sampling consensus algorithm, fitting the filtered road boundary points through the least square method; performing tracking through a Kalman filter. The road boundary detecting and tracking method can effectively extract road boundaries in an actual scenario when obstacles exist on roads, and by means of the Kalman filter, enhances the boundary detecting accuracy and reliability. The road boundary detecting and tracking method involves no complex computation, thereby being high in practicality and applicable to wide application to unmanned navigation modules.

The invention provides a full-automatic medical examination blood piece pushing and dyeing machine to solve the problems of a medical examination blood piece pushing and dyeing technology in the prior art that the manual operation ratio is high, the labor intensity is great, the confusion is easy to cause, the examination quality is difficult to completely guarantee and the like. The full-automatic medical examination blood piece pushing and dyeing machine comprises a rack, a base plate, a test tube conveying device, a barcode reading device, a glass slide conveying device, a sample coating device, a piece pushing device, a printing device, a glass slide transferring device, a dyeing device, a glass slide collecting device, a control system, a dyeing solution container, a washing solution container and a waste solution container. The full-automatic medical examination blood piece pushing and dyeing machine disclosed by the invention has the beneficial technical effects that a flow line of test tube conveying, barcode reading, glass slide conveying, blood sample coating, barcode information printing, sample dyeing and glass slide collection is formed so that the operations of uniform mixing, coating, piece pushing, dyeing and collection of a blood sample can be automatically finished, samples can be prevented from being confused and the detection reliability is guaranteed.

The invention discloses a file transferring method with self-adaptive control of transmission speed and a system thereof; UDP protocol is adopted to transfer file data, other commands are carried outby TCP protocol; the file data takes 'block' as a basic unit for each transferring and verifying the completeness, and transmission speed is adjusted by adopting a way of dynamically adjusting the size fine grit of a transmission 'block'; the file is divided into 1-N file fragments by a server, and each file fragment is transmitted by a UDP send data; the server transmits according to the size ofthe presetting block, a client side verifies the result weather to be retransmitted by requesting the server according to the completeness of the received block, if the sever receives the retransmitting request from the client side, the size of the block can be dynamically adjusted. In addition, the transmission speed is adjusted by dynamically adjusting the number of transmission threads. In theinvention, less network expense is increased, and network resource accessed by the client side can be effectively utilized, and the transferring time of the whole file is reduced.