9035results about How to "Flexible" patented technology

The invention provides an unmanned-gyroplane system used for automatic inspection of bridges and tunnels and a navigation method, belonging to the field of automatic detection of bridge and tunnel diseases. According to the invention, aimed at the characteristics of bridge and tunnel areas, the unmanned gyroplane inspection system which realizes autonomous navigation in virtue of GPS, laser radar and IMU is designed; and the system realizes autonomous inspection of an open bridge area by using a GPS navigation system and autonomous inspection of a closed tunnel area by using a laser radar navigation system, dodging of bridges, tunnels and motor vehicles via an automatic evadible system, and shooting of images of key areas, wherein the images are sent back to a ground station, and thematic pictures of diseases of bridge and tunnels are generated by the ground station and provided to related personnel for use. The unmanned-gyroplane system provided by the invention has the characteristics of mobility and flexibility in the process of inspection and has the advantages of a wide inspection coverage area, unblocking of traffic, real-time returning of live shots, etc.

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.

Abstract of Disclosure An apparatus and method for the encoding and storage of signals representing at least image information onto a storage medium is claimed. A source generator is configured to convert the signals into digitized image information. A compressor is configured to receive the digitized image information from the source generator and compress the digitized image. An encryptor is configured to receive the compressed digitized image information from the compressor and encrypt the compressed digitized image information. A storage device is configured to then store the encrypted compressed digitized image information onto the storage medium.

The invention discloses a system and a method for managing a virtual network in a cloud computation data center, and relates to the technical field of network system structures and network communication protocols. The system comprises physical servers and a controller, the physical servers are connected with a core switching network of the data center, each physical server is provided with at least one switch supporting OpenFlow related protocols and is connected with the controller, and the controller builds the virtual network, maintains configuration of the virtual network and a mapping relation among the virtual network, a virtual broadcast domain and a local broadcast domain, and configures and controls the switches of the physical servers. By the aid of the system and the method, pressure on broadcasting and double-layer address tables and forwarding tables of the core switching network of the data center can be effectively reduced, large-scale management is facilitated, flows of different users can be effectively isolated, security is strengthened, and configuration of the virtual network of the data center can be quickly and flexibly changed along with dynamic distribution of virtual resources.

The invention relates to a machinery automatic steering control method which comprises the following steps that: positional deviation and course deviation are determined; according to the variance in the practical front wheel rotating angle of an agricultural machine, online setting of PID parameter is completed by means of parameter self-setting PID control algorithm; moreover, the expected front wheel rotating angle of the next moment is calculated, thereby realizing automatic steering control of the agricultural machine. Based on conventional PID navigation control method, the invention makes full use of the fuzzy control method; according to the variance in the practical front wheel rotating angle of an agricultural machine, the invention meets the different requirements of the machine on PID control parameter under different errors and error change rate, thereby realizing online setting of PID parameter. The invention not only has the advantages of fuzzy control such as flexibility and adaptability, but also has the characteristics of higher precision of PID control; therefore, the invention can increase the stability and precision of agricultural machine automatic steering control and the robustness of a control system.

The invention relates to a system and a method for positioning a mobile robot based on regular graphic code composite tags. The system comprises a regular graphic code positioning controller, a regular graphic code reader, a radio frequency identification (RFID) tag code reader, and the regular graphic code composite tags which are distributed on the ground, wherein each regular graphic code composite tag is formed by compositing a regular graphic code tag and an RFID tag. The method comprises the following steps of: (1) establishing an image coordinate system, a trolley coordinate system and a world coordinate system; (2) calculating the deviation position and position angle of a mobile robot trolley relative to each composite tag in the trolley coordinate system; (3) calculating the deviation position and angle of each composite tag relative to the world coordinate system; and (4) calculating the deviation position and angle of the mobile robot trolley relative to the world coordinate system. The invention is reasonable in design, the characteristics of the regular graphic code tag and the RFID tag are effectively combined, a function of accurately positioning the mobile robot trolley is realized, and positioning efficiency is improved.

The invention discloses an automatic guild system and a multiple task control method and belongs to the transport vehicles field. The automatic guild vehicle system comprises a vehicle part and a guild part; wherein, the vehicle part comprises a vehicle body, an electronic control tank, a central control device, a battery group, a driving mechanism, a suspending mechanism, a road magnetic strip signal sensor, a road RFID radio frequency identification card reader, an anti-knocking mechanism and the like. The guild part comprises a magnetic strip paved on the road and an RFID radio frequency identification card; the vehicle body is provided with a road magnetic strip signal sensor and a road RFID radio frequency identification card reader; the road magnetic strip signal sensor is directly connected with an AD module of the central controller for processing the analog signal transmitted by the road magnetic strip signal sensor. In the invention, the magnetic strip paved on the road and the RIFD radio frequency identification card are used for guiding so as to change lines flexibly and be applicable to flexible manufacturing system.

The present invention relates to a time/digital converter based on FPGA and its conversion method, belonging to the field of time measurement technology. Said converter includes the following components: fine time measurement unit, coding unit, coarse time measurement unit and data buffer storage unit. The main application of said invention is to make high accuracy time measurement, it can be used in the fields of basis research and various application researches.

The invention provides a polymer modified asphalt, and the weight of the components comprising as follows :45-55% matrix asphalt, 4 - 8% blend oil, 12 - 14% of SBS ,5-9 % APAO, 2-7% of High-temperature improvement and 15-20% filler. It also offers polymer modified asphalt, which made of waterproof membrane and the railway bridge, highway bridge deck waterproofing project applications. The invention of these waterproofing membrane have a high standard of waterproof function, it can withstand high intensity of railway bridge and particularly high stress dynamic load .It also have excellent performance on water-resistance, high and low temperature resistance, adhesion, crack resistance, fatigue resistance and other aspects .it can be used for railway bridge and the road deck waterproofing works.

The invention discloses a low-density aerogel composite material and block-shaped low-density gel insulating composite material through packing the low-density aerogel composite material, which comprises the following steps: utilizing high-polymerization degree polyacrylic acid as porous nanometer silica reinforced frame to make the silica gel and composite material with certain elasticity and contractility; inhibiting crack during gel preparing course and hyper-critical drying course effectively; adopting packing slurry with alumina, titania, carborundum, hollow glass microball or ferroferric oxide and soluble silicate, organosilicon resin or silica gel to pack the surface of large block of silica aerogel; sintering the packed aerogel composite material at 650-700 deg. c; using the material under 1000 deg. c at most.

The invention discloses a method for evaluating the implementation quality of a software process, which belongs to the field of computer software engineering. The method comprises the following steps that: 1) a user selects an evaluation model or a standard of the software process from an evaluation standard library by using an evaluation standard selection module; 2) an index system establishment module establishes an measurement index system by adopting a target-problem-measurement method or a utility software measurement method; 3) an index measurement data acquisition module performs data acquisition on the software process to be evaluated according to the established measurement index system, and simultaneously, an index weight determination module determines the weight of each measurement index according to the established measurement index system; 4) a comprehensive evaluation computing module performs numerical value standardization and form unitization on the acquired data; and 5) the comprehensive evaluation computing module evaluates the processed data by adopting a fuzzy comprehensive evaluation method and outputs the evaluation result. The method not only ensures flexibility and the strictness of the result, but also ensures the accuracy of the evaluation process and the validity of the evaluation result.

The invention discloses a five-coordination numerical control machine tool motion controller with an interpolation function, and relates to a numerical control machine tool motion controller. The purpose of the invention is to solve the problems that the functions of the controller can not be easy to be expanded and modified, which is caused by the poor openness and flexibility of the existing numerical control machine tool motion controller, and the requirements of a configurable motion controller can not be met, and NC program size is seriously limited, which is caused by the multiplication of information amount in the controller by adopting a type value point direct interpolation method. The motion controller comprises a man-machine interface module, a task coordination module, a task generation module, an axis group module, an axis module, a reverse motion transformation module, a control rule module and a discrete logic control module. When the NURBS interpolation method of the invention is adopted to carry out NC machining, the NC program is reduced substantially; meanwhile, the machining error is more greatly reduced than the linear interpolation error. By adopting a modularized systematic structure, the requirements of the configurable motion controller can be met, the openness of the numerical control system can be enhanced, and the function expansion and modification of the controller can be carried out on the specific modules.

The invention discloses an abnormity monitoring method. The method includes the following steps: monitoring abnormal key information, and recognizing an abnormality type and an abnormality grade of the abnormal key information; acquiring a preset abnormity processing scheme corresponding to the abnormity type and the abnormity grade; executing the abnormality processing scheme. By the method, abnormities can be monitored in real time, and different abnormity processing schemes can be adopted according to different types and grades for abnormity repairing, so that more flexibility is provided. In addition, the invention further provides an abnormity monitoring device.

The present invention relates to a combinatory muscle type flexible joint capable of bending toward several directions. It can be used as various joints of robot and artificial limb. Said flexible joint adopts the axial expasion of elastic corrugated pipe after which is forced by fluid pressure as muscle power, several artificial muscle components are formed into said flexible joint. It adopts plate spring or plate hinge as flexible joint skeleton capable of bending toward two directions, and adopts bar spring and ball universal joint or cross universal joint as flexible joint sekelton capable of bending toward several directions.

A pneumatic flexible joint for robot or manipulator features that the leaf spring is used as its flexible skeleton and the corrugated shell is pneumatically expanded for providing the muscle power. Under the action of leaf spring, it can be bent but not axially extended. Its advantages are high flexibility and control accuracy, and low energy consumption.

The invention discloses an edge computing task allocation method based on deep Monte Carlo tree search, and aims to support optimization of resource allocation by an edge server. And the edge server takes the state of a mobile edge computing system as input, the edge server resource scheduling module outputs an optimal resource allocation scheme through a deep reinforcement learning algorithm, andthe mobile equipment terminal unloads the task according to the optimal resource allocation scheme and executes the task together with the edge server. The deep reinforcement learning algorithm is completed by mutual cooperation of DNN, MCTS and LSTM, and compared with greedy search and DQN algorithms, the algorithm provided by the invention is greatly improved in the aspects of optimizing service time delay and optimizing service energy consumption of the mobile terminal.

The present invention relates to a geographical information system used for electrical power system, wherein the system comprises a human-computer interface module, a basic geography data module, a elementary graph operation module, a view display module, a electric network device management module, a power distribution network equipment input module, a power distribution network equipment attribute maintenance module, a electric power network topology maintenance module, a line maintenance module, a underground pipe network management module, a search statistical form module, a pole tower detailed statement management module, a network topology maintenance module, a electric network topology analysis function module, a single line figure management module, a scheduling system drawing management module, a graph input-output function module and a system administration module, wherein the human-computer interface module connects with every other module mutually. Compared with prior art, the present invention is provided with definite openness, normality, flexibility, expandability, high security and economy, and the like.

The system includes data source management server (DSMS1), data interchange server (DIS), data stream modeling server (DSMS2), and data stream execution and management server (DSEMS). DSMS1 provides interface for outer isomeric data source to realize registration of data source, and transfer the collected data to DIS. DIS manages local mode and global mode as well as stores mapping rules between them, and realizes mapping from local mode to global mode for inputted data. Based on application types ground on global unified view provided by DIS, DSMS2 defines procedure of data stream, generates model of data stream. Connecting outer application system, DSEMS takes charge of starting up execution of data stream, and returns result of flow of data stream to outer application system. Advantages of the invention are: legible modules, as well as dynamic, universal, and flexible features.