Abstract: Provided is a system and method that can determine the timing and sequence of transmission assets on a power grid to be outaged and/or restored based on severe weather. In one example, the method may include selecting a group of transmission assets of a power grid for outage, receiving forecasted weather conditions for a geospatial area that includes the group of transmission assets, determining an outage time and priority among the group of transmission assets based on geospatial locations of the forecasted weather conditions and geospatial locations of the group of transmission assets, and generating a sequence of instructions for powering down the group of transmission assets based on the determined outage time and priority among the group of transmission assets and storing the sequence of instructions in memory.

Abstract: A bonded retainer configured to stabilize a plurality of teeth in a jaw, the bonded retainer including a contact surface that is aligned overall with a parabolic curvature of the jaw in a longitudinal direction of the bonded retainer and that is aligned locally with a lingual surface contour of the teeth; a lingual surface that extends lingually in parallel with the contact surface, and retentions that extend from the lingual surface transversal to the longitudinal direction.

Abstract: A message management method based on time and location is applied to the network system. Comprises obtaining a user account, a location information and a time information through an electronic device, and transferring the user account, the location information and the time information to a message server; obtaining a geographic information from a map database based on the location information, and displaying a region of the geographic information on a display of the electronic device; and in a display page of the display, using the user account, the time information and the region as a filter condition, obtaining a name, an avatar of a relevant user from a user database, and obtaining a message of the relevant user from a message database, and displaying the name, avatar and message of the relevant user on the display page according to the sending location of the message.

Abstract: This application provides a motor drive system, a power system, and an electric vehicle, and relates to the field of power electronic technologies. The drive system is configured to drive a motor that uses a power battery pack as a power supply. The power battery pack includes at least two battery modules that are independent of each other, the drive system includes at least two direct current-alternating current DC-AC circuits, and the battery modules one-to-one correspond to the DC-AC circuits. Each battery module is correspondingly connected to an input end of one DC-AC circuit, and an output end of each DC-AC circuit is connected to a corresponding winding of the motor. The DC-AC circuit is configured to convert a direct current provided by the corresponding battery module into an alternating current to drive the corresponding winding of the motor.

Abstract: A method implemented on a computing device having at least one processor, storage, and a communication platform connected to a network for determining blood pressure includes: receiving a request to determine a blood pressure of a first subject from a terminal, obtaining data relating to the first subject, the data relating to the first subject including data relating to heart activity of the first subject and personal information relating to the first subject, extracting target features relating to the first subject from the data relating to the first subject, determining a preliminary blood pressure of the first subject using a prediction model based on the target features relating to the first subject, determining a predicted blood pressure of the first subject using an optimization model based on the preliminary blood pressure and sending the predicted blood pressure of the first subject to the terminal in response to the request.

Abstract: A first wireless node is configured to receive a signal from a second wireless node in a mesh network wherein the signal includes a digital object, which is stored for a predetermined time period. Further, the signal includes a routing table, wherein the routing table indicates a route from a source node in the mesh network to a destination node in the mesh network and indicates each intermediate node in the route. The first wireless node is configured to transmit the digital object to an intermediate node then to a third wireless node in the mesh network based on capabilities of the intermediate node identified in the routing table. The capabilities of the intermediate node include quality of service (QOS) and a timeframe in which the intermediate node is capable of receiving and forwarding the digital object.

Abstract: A key-value storage device may perform an integrity check on a key and/or a value in a key-value pair, prior to transmitting the value from a memory device to a requestor. When the storage device receives a write command to store the value in the memory device, a processor in the storage device may generate authentication data from the key and/or the value in the write command. The processor may store the authentication data and the value in the memory device. When the processor later receives a read command to retrieve the value from the memory device, the processor may perform the integrity check on the key and/or the value using the authentication data.

Abstract: An imaging lens module includes an imaging lens unit, an optical folding component and a sensing magnet group. The imaging lens unit has an optical axis. The optical folding component is configured to fold an incident optical path into the imaging lens unit to coincide with the optical axis. The sensing magnet group includes two sensing magnets that are sequentially disposed on the imaging lens unit along a direction in parallel with the optical axis. The sensing magnets are located at the same side with respect to a reference plane that passes through the optical axis and has a normal direction perpendicular to the optical axis. When the sensing magnets are observed from the direction in parallel with the optical axis, images of the sensing magnets are at least partially overlapped. Two adjacent magnetic poles of the sensing magnets are like poles between which there is a repulsive force.

Abstract: A linkage protection system includes an inverter, an anti-potential-induced degradation (PID) apparatus, and an insulation-monitoring apparatus. The anti-PID apparatus is configured to inject a voltage into an input end or an output end of the inverter, to increase or decrease a voltage-to-earth of a photovoltaic system. The insulation-monitoring apparatus is configured to inject an insulation-monitoring voltage into a direct current (DC) side or an alternating current (AC) side of the inverter. The anti-PID apparatus and the insulation-monitoring apparatus directly or indirectly communicate with each other, to learn of information about whether a peer apparatus is operating, and perform linkage control. The anti-PID apparatus and the insulation-monitoring apparatus operate in different time periods.

Abstract: Passive optical Sagnac interferometers for current sensing, method of using the same and method of constructing the same. In one embodiment, the passive optical Sagnac interferometer for current sensing comprises an N×N fibre coupler, wherein N>=3; and a fibre coil disposed on a first side of the N×N fibre coupler, a first port of the N×N fibre coupler coupled to a first end of the fibre coil via a first linear polariser and a second port of the N×N fibre coupler coupled to a second end of the fibre coil via a second linear polariser; wherein the fibre coil is configured to support only one elliptical polarisation state in counter-propagating light signals in the fibre coil.

Abstract: Embodiments of the present disclosure provide an encoding and decoding method, apparatus and device.

Abstract: An apparatus, computer-readable medium, and computer-implemented method for creating and managing a distributed ledger non-fungible token data structures that represent the liquidity function for any two distinct representations of assets. The representations may be different assets or a single asset type with different characteristics including ledger, network, jurisdiction, availability, etc. The liquidity function is the mechanism to transform or exchange the asset including the pricing function, fees, and delivery mechanism. The investment performance of the liquidity token can be proportional to the demand for liquidity for the pair of assets.

Abstract: A method and apparatus for secured, peer-to-peer transfer of data rights over a computer network, the method being accomplished by a distributed computing system including a distributed ledger platform. Root rights are defined and delegated to wallets in a multilevel manner to thereby isolate wallets associated with the root right from cyber risk. Root rights are revokable and reassignable, where a root wallet is able to claw back authority delegated to one or more supervisory wallets.

Abstract: An imaging camera driving module includes a lens unit, a driving mechanism, a sensing mechanism and an image surface. At least a part of the driving mechanism is coupled to the lens unit to drive the lens unit to move in a direction parallel to the optical axis. The sensing mechanism includes sensing magnets fixed to the lens unit and sensing elements not facing the driving mechanism. The sensing elements are disposed on an image side of the imaging lens assembly of the lens unit and corresponding to the sensing magnets. The sensing elements are configured to detect a relative position of the sensing magnets. The image surface is disposed on the image side of the imaging lens assembly, and the optical axis passes through the image surface. The sensing mechanism is configured to detect a tilt of the optical axis with respect to the central axis.

Abstract: The response time till generation of waveforms is improved, and detailed editing for a metrical-feature quantity based on the entire input is performable before generation of waveforms. A speech synthesis device includes an analyzing unit, a first-processing unit, and a second-processing unit. The analyzing unit analyzes an input text and generates a language feature quantity sequence including one or more vectors indicating a language feature quantity. The first-processing unit includes an encoder that converts the language feature quantity sequence into an intermediate expression sequence including one or more vectors indicating a latent variable, using a first neural network; and includes a metrical-feature quantity decoder that generates a metrical-feature quantity from the intermediate expression sequence using a second neural network.

Abstract: A system and a computer-implemented method, for detecting concrete using infrared thermography, allow to detect concrete in a region containing zones in which concrete exists and zones in which concrete does not exist. The system for detecting the concrete includes an infrared camera for obtaining a plurality of infrared thermography images in a time range from a region containing fresh concrete, an ambient temperature sensor for obtaining ambient temperature measurements, and a processor connected to the camera and to the ambient temperature sensor.

Abstract: Disclosed herein is a magnetic storage device that includes magnetic storage discs and a first carriage arm rotatably movable in a radial direction along a first one of the magnetic storage discs and within a region radially outward from the first one of the magnetic discs. The magnetic storage device includes a first suspension arm co-movably fixed to the first carriage arm and having a first-suspension-arm length extending from a proximate first-suspension-arm end of the first suspension arm to a distal first-suspension-arm end of the first suspension arm. The magnetic storage device also includes a second suspension arm co-movably fixed to the first carriage arm and having a second-suspension arm length extending from a proximate second-suspension arm end to a distal second-suspension arm end of the second suspension arm that is different from the first-suspension arm length.

Abstract: Provided are a method and device employing a smart contract to realize identity-based key management. The method comprises: running a smart contract, and executing a key management process, wherein the key management process comprises: when a key of a target user requires an update and the target user is not a supervised user, generating a master public key and a master private key pertaining to the target user; acquiring, from a blockchain, identity information of the target user; generating a first target private key according to the master public key and the master private key pertaining to the target user and the identity information of the target user; and replacing a current private key of the target user with the first target private key.

Abstract: One embodiment provides a method comprising verifying a digital asset to determine ownership, provenance, and lineage of the digital asset. The verifying includes blockchain forensic analysis and triangulation of one or more electronic devices involved in one or more blockchain transactions relating to the digital asset. The method further comprises computing a confidence score corresponding to the digital asset. The confidence score is a measurement derived from the verifying. The method further comprises maintaining a record of the digital asset in an electronic registry. The record includes the confidence score and is indicative of the ownership, the provenance, and the lineage of the digital asset. The method further comprises monitoring one or more changes to the ownership, the provenance, and the lineage of the digital asset, and updating the record including the confidence score in response to the one or more changes.