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565results about How to "Guaranteed flexibility" patented technology

Mimic SDN controller construction method

The invention discloses a mimic SDN controller construction method. The method comprises a control plane, a dispatching plane and a data plane. The control plane is used for realizing tasks of network control and management and providing multiple heterogeneous redundant controller executing parts. The data plane is used for finishing a data forwarding function in a network and comprises hardware facilities such as a switch and a router. The control plane communicates with the data plane through the dispatching plane. The dispatching plane comprises a forwarder, a sensor, a decider and a dispatcher. The mimic SDN controller construction method comprises following specific steps of step 1, collecting network state information and forwarding the information to the controller executives; step 2, carrying out sensing detection on network operation states in real time; and step 3, dispatching the controllers of the control plane dynamically, and carrying out voting output on the sent information by utilizing a majority judgment mechanism. The device has a management mechanism capable of sensing and dynamically dispatching the controllers; abnormal network operation resulting from a failure of a single controller is avoided; exterior attacks are difficult to capture the executing parts responsible for network management; and moreover, the security of the SDN is further improved through adoption of the majority judgment decision-making mechanism.
Owner:THE PLA INFORMATION ENG UNIV

Double-lasso driving flexible joint used for exoskeleton robot

The invention discloses a double-lasso driving flexible joint used for an exoskeleton robot, which comprises a drive mechanism, a pre-tightening mechanism, a lasso transmission mechanism, a flexible mechanism and an exoskeleton joint. A motor drives a drilling roller to rotate; the two ends of a rope are respectively fixedly connected with the driving roller and a load roller; a driving torque is delivered to the load roller through the lasso transmission mechanism; the load roller is fixedly connected with the exoskeleton joint to drive the joint to move; a positioning hole and a positioning groove both capable of limiting the motion range of the joint are formed in the load roller; the pre-tightening mechanism adjusts a pre-tightening force of a rope by changing the screwing depth of a pre-tightening bolt so as to avoid looseness of a drive system; the flexible mechanism enables the joint to achieve flexibility and can measure an output torque based on a displacement offset of the motor and the joint. The double-lasso driving flexible joint used for the exoskeleton robot can realize separation of the motor and the exoskeleton robot, overcomes the problems of the quality of each joint of the exoskeleton and too great inertia, and can perform precise position control and force control on the drive joint.
Owner:SOUTHEAST UNIV

Engineering construction multi-dimensional dynamic information fusion and cooperation interactive system

The invention discloses an engineering construction multi-dimensional dynamic information fusion and cooperation interactive system, comprising a professional system, a data management system, a progress management system, a positioning system, a monitoring system, a BIMVR system, a communication system and a construction system. The professional system, the data management system and the BIMVR system are combined to built a simulation engineering model and actual construction site scenes and the simulation engineering three-dimensional model are combined to achieve data interaction, thus, real-time data acquisition and interaction between software and hardware equipment under control of the software are both achieved. A non-linear management mode is utilized to manage construction progress, last-minute changes of progresses can be adjusted in any time, and progress management is much flexible and convenient. A block chain technique is utilized for data management, particularly, multi-point mesh block structure is built through the block chain technique, all terminals participates recording of a database, and thus, safety and flexibility in use of the whole system is guaranteed effectively.
Owner:武汉八维时空信息技术股份有限公司

Double L-shaped cubic modularized self-reconstruction robot based on rotary hook hole

The invention provides a double L-shaped cubic modularized self-reconstructing robot based on rotational hook hole connection, which relates to a robot. The present invention aims at solving the problems that the existing array-typed robot is not flexible enough in motion and the robot after being assembled can not efficiently move, as well as the problems of large volume, heavy weight and large heat productivity, and the like, in an electromagnetic connecting mechanism. The present invention is characterized in that a first drive connecting module is fixedly connected with a second drive connecting module; a third drive connecting module is fixedly connected with a fourth drive connecting module; a first driven connecting module is fixedly connected with a second driven connecting module; a third driven connecting module is fixedly connected with a fourth driven connecting module. The present invention has the self-reconstructing function of local modules of the array-typed system and the motional function of integrated configuration of a tandem-typed system. The load/deadweight rate of the module is 4.5:1 and the drive module or the driven module can be exchanged automatically. The mechanism does not need to maintain the energy in the connecting state and the disconnecting state, thus saving the energy.
Owner:HARBIN INST OF TECH

Air-ground data link control and management method

The invention relates to an air-ground data link control management method which comprises the course of the link initialization of an airplane and a ground system, the establishment of the initialization link of the airplane and a ground station, an automatic tuning method of a ground base system and the multi-state link switching course, wherein the course of the link initialization of the airplane and the ground system comprises the following steps: the airplane searches in a public signal frequency band and the frequency band with service priorities, and the ground station also sends a ground broadcast frame in the present service frequency band and the public signal frequency band; the multi-state link switching course comprises the following steps: according to differences of switching control weights of the airplane and the ground station, if the ground system is required to be switched, and an airplane terminal has switching and initialization functions, the switching course of ground base requirements and airplane initialization is carried out, and if the airplane terminal is required to be switched and the ground station has switching and initialization functions, the switching course of air plane requirements and ground initialization is carried out. The flexible and automatic control and the link management with no gap switching of the airplane and the ground station can be guaranteed.
Owner:BEIHANG UNIV

Charging service method

The embodiment of the invention relates to a charging service method. The charging service method comprises the following steps that a charging vehicle is assigned by a background server according tocharging requirement information provided by a user, driving planning paths and departure time of corresponding charging services are sent to the assigned charging vehicle; the charging vehicle leavesat the departure time and runs according to the received driving planning path so as to arrive at the charging position at the charging time and provide charging service for a user; after the wired physical connection between the charging vehicle and the device to be charged is established, the user can further adjust the charging type and the actual charging quantity according to the related information of charging cost and charging time provided by the charging vehicle before the charging operation, the adjusted charging information is sent to the background server by the user terminal, thecharging execution information is generated by the background server according to the adjusted charging information, and the charging execution information is sent to the charging vehicle; the charging operation is conducted on the equipment to be charged by the charging vehicle according to the charging execution information.
Owner:BEIJING ZHIXINGZHE TECH CO LTD

Ceramic composite material bullet-proof chest board and preparation method thereof

The invention discloses a ceramic composite material bullet-proof chest board and a preparation method thereof. The ceramic composite material bullet-proof chest board is composed of a carbon fiber composite surface rigid layer, a ceramic composite material sheet combination layer, a bullet-proof fiber composite material body layer and a back elastic surface carbon fiber composite back-convex-proof layer. The ceramic composite material sheet combination layer is made of special fiber reinforced ceramic matrix materials and is of a needling insertion type combined structure or a three-dimensional crazing-prevention framework structure; a composite cementing and micropore riveting combined technology is adopted between the ceramic composite material layer and the bullet-proof body layer; finally, the ceramic composite material sheet combination layer and the bullet-proof fiber composite material body layer are wrapped in a rigid structure composed of the carbon fiber composite surface rigid layer and the back-convex-proof layer to form a whole. The ceramic composite material bullet-proof chest board has various advantages of being light, low in back convex, stable in high and low temperature structure, long in service life and the like. Meanwhile, the problem that a seam bullet-proof characteristic in a traditional splicing structure of ceramic sheets is poor is effectively avoided, and the ceramic composite material bullet-proof chest board has the overall characteristics of multiple bullet-proof materials.
Owner:山东宽原新材料科技有限公司

Vibration feedback and force feedback combined man-machine interaction finger, glove and method

The invention discloses a vibration feedback and force feedback combined man-machine interaction finger, glove and method and belongs to the technical field of man-machine interaction wearing. The data glove provided by the invention is fixed to the hand back of a user, it is ensured that the palm can freely expand and clench, a novel connecting rod mechanism is adopted, thus excessive burdens cannot be generated on the hand, and the flexibility of the finger can also not be influenced. Through combination of vibration feedback and force feedback methods, single sense organ paralysis caused bylong-time use by the user is avoided; the force feedback method adopting rope driving is safer than a method directly adopting a motor for driving, and vibration feedback generated by the vibration motor cannot oppress the hand because the motor is small in size; and the whole glove is designed in a non-full-covering mode, only the portion, needing to be stimulated, of the hand is covered, and thus resonant interaction is reduced. The whole vibration feedback and force feedback combined man-machine interaction glove is simple in structure, low in manufacturing cost, capable of being manufacturing through common 3D printing, and convenient to wear and popularize in user groups.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Carbonyl-containing material-coated barium titanate/polymer composite film and preparation method thereof and application

The invention discloses a carbonyl-containing material-coated barium titanate/polymer composite film and a preparation method thereof and application. The carbonyl-containing material-coated barium titanate/polymer composite film is prepared through the following method which comprises a step 1) of mixing dispersion liquid of nanometer barium titanate and a carbonyl-containing material, and obtaining composite nanoparticles coating the carbonyl-containing material; a step 2) of dispersing the composite nanoparticles coating the carbonyl-containing material into polymer composited solution, and obtaining mixed dispersion liquid; a step 3) of causing the mixed dispersion liquid in the step 2) to undergo tape casting, removing a solvent to form a film, and then causing the film to undergo hot pressing and cooling to obtain the carbonyl-containing material-coated barium titanate/polymer composite film. The carbonyl-containing material-coated barium titanate/polymer composite film can achieve high dielectric constant (30 or above), high electric breakdown strength (250 MV/m or above) and high discharge density are guaranteed, and the flexibility of the capacitor composite film is maintained. The carbonyl-containing material-coated barium titanate/polymer composite film is applied to the preparation of a flexible electronic device.
Owner:TSINGHUA UNIV

Double-body detection underwater robot device and control method

The invention provides a double-body detection underwater robot device and a control method. A robot main body is of a double-body structure consisting of a middle wing-shaped body and two streamline boat bodies symmetrically arranged on two sides of the middle wing-shaped body, wherein an elevating rudder is arranged at the tail end of the middle wing-shaped body; a core control cabin and two vertical thruster cabins arranged at the front and the back are arranged in the middle wing-shaped body; a vertical thruster is arranged in each vertical thruster cabin; a stabilizing wing is arranged on the side surface of the tail part of each streamline boat body; an airfoil profile vertical wing is arranged at the tail part of each streamline boat body; a main thruster is arranged at the tail end of each streamline boat body; battery cabins and detection equipment cabins are further arranged in the two streamline boat bodies; wall touch sonars are further arranged on the robot main body. The double-body detection underwater robot device can make an intelligent decision and can be switched among different operation modes according to a relative flowing speed, so that the posture can be kept stable, and functions of fixed-speed continuation, posture holding, hovering monitoring and the like are realized.
Owner:HARBIN ENG UNIV
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