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368 results about "EXPOSE" patented technology

EXPOSE is a multi-user facility mounted outside the International Space Station dedicated to astrobiology. EXPOSE was developed by the European Space Agency (ESA) for long-term spaceflights and was designed to allow exposure of chemical and biological samples to outer space while recording data during exposure.

Smart power grid aggregation method and system for differential privacy security and fault tolerance

ActiveCN104579781AEfficient and flexible fault toleranceResistance to Differential Privacy AttacksPower network operation systems integrationCircuit arrangementsFault toleranceTelecommunications link
The invention discloses a smart power grid aggregation method and system for differential privacy security and fault tolerance. The method comprises the steps that a smart electric meter records and reports the electricity consumption of users in real time; a control center is responsible for collecting, processing and analyzing real-time electricity consumption data; a gateway is responsible for instruction delivery, data aggregation and security transmission between the control center and the users; a credible center is responsible for managing the whole system, and main function modules include a system initialization function module, a data aggregation request function module, a data aggregation request relay function module, a user data report function module, a security data aggregation function module and an aggregated data recovery module. According to the smart power grid aggregation method and system, the common fault tolerant function is supported, a difference privacy attack can be resisted, and the phenomenon that a hostile attacker exposes and obtains privacy information of the users by eavesdropping user communication links can be resisted; when some user data are not reported successfully, the electricity consumption of all the users with normal data reporting can still be aggregated; the smart power grid aggregation method and system have the high elastic expandability and can support efficient million-scale smart power grid electricity consumption data aggregation.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Electric power transformer field calibration vehicle

ActiveCN101561482AAvoid the hassle of moving back into the carOn-site calibration work is convenientElectrical measurementsItem transportation vehiclesEngineeringControl room
The invention relates to an electric power transformer field calibration vehicle, which comprises a control chamber and an equipment bay; the equipment bay comprises an integral rack transversely arranged on the front part thereof, various current transformer calibrating equipment and measuring and controlling devices, a high-voltage calibrating device arranged in the middle part of the equipment bay in a liftable way; the top part of the vehicle body is provided with a translational electric sunroof, the high-voltage calibrating device passes through the translational electric sunroof in a controllable way and exposes out of the top of the vehicle so as to complete the calibration of a voltage transformer under high voltage. The invention combines the electric power transformer field calibrating device with the modified special vehicle, thus forming a mobile field calibration vehicle; and when in field calibration, only the corresponding equipment is output and led out of the top of the vehicle, field wiring can be conducted, thus avoiding the trouble of moving various calibrating equipments from the vehicle to the field and then moving the calibrating equipments back to the vehicle after measurement, and bringing great convenience to the field calibration.
Owner:SUZHOU HUADIAN ELECTRIC CO LTD

Panhandle rotating mechanism

InactiveCN102113835AReduce volumeReliable balance of powerCooking vesselsMechanical engineeringEXPOSE
The invention relates to a panhandle rotating mechanism which comprises a handle seat, a handle, a button and a spring, wherein the connecting end of the handle seat is connected with a pan body, and the other end of the handle seat is connected with the handle; the inner end of the handle is connected with the handle seat, and a cavity is arranged at a position close to the inner end of the handle; the button is arranged in the cavity; and the spring enables the button to be keep a trend of always moving towards the surface of the handle. The panhandle rotating mechanism is characterized in that: a flat connecting part is arranged at the other end of the handle seat, and the connecting part is provided with a central hole with a limit port; correspondingly, a slot in which the connecting part of the handle seat is inserted and rotated is arranged at the inner end of the handle; the button is provided with a locking block in an downward extending way, and the locking block is in locked or unlocked matching with the limit port; and the panhandle rotating mechanism further comprises a positioning sleeve which is fixed at the mouth part of the cavity so that the surface of the button exposes outside the positioning sleeve and the button is limited from ejecting out of the installation cavity. The invention has the advantages of more compact and reasonable structure, connection stability and long service life.
Owner:胡志明

Method for secure communication of wireless sensor network based on combined password

ActiveCN105163309AResolve confidentialitySolve authenticationNetwork topologiesSecurity arrangementSecure communicationWireless mesh network
The invention discloses a method for secure communication of a wireless sensor network based on a combined password, belonging to the field of secret communication. The method comprises the following steps that a base station sets and exposes system parameters and respectively generates public and private key pairs (QU, SU) and (QI, SI) for a user U and a node I; when the user is communicated with the sensor node, the user utilizes SU and QI to carry out signature and encryption on K1 in sequence based on a preset session key K1, and then the user sends a ciphertext to a receiving end, and the receiving end utilizes SI and QU to carry out decryption and verification in sequence; and lastly, the user utilizes the session key K1 to realize secure communication. When the sensor node needs to be communicated with the user, the node still utilizes SI and QU to carry out signature and encryption on a selected session key K2 in sequence, and then the user sends the ciphertext to the receiving end, and the receiving end still utilizes SU and QI to carry out decryption and verification. According to the method, secure communication of the wireless sensor network is realized by utilizing a combined public key password, so that the storage requirements for identity information and the cost for the base station to produce a private key are greatly reduced.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
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