Abstract: A resilience enhancement-oriented energy storage control method and system for a distributed generator (DG) in a distribution network. The method includes: determining an objective function including a first sub-objective function and a second sub-objective function; determining an outer-level constraint based on a quantity of configured energy storage systems (ESSs), a quantity of hardened lines, and a rated power and capacity configuration of an ESS; determining a middle-level constraint based on a line failure; determining an inner-level constraint based on node power of a distribution network, a line load capacity, a line power flow, a power output of a unit, a node voltage, climbing of the unit, operation of the ESS, and LS; determining parameters based on the outer-level constraint, the first sub-objective function, the middle-level constraint, the inner-level constraint, and the second sub-objective function; and controlling energy storage of a DG in the distribution network.

Abstract: A warning system is provided for alerting a Vulnerable Road User (VRU) of a predicted collision. The system includes one or more input devices for transmitting a first input signal associated with a first vehicle positioned in a first lane, a second input signal associated with a second vehicle positioned in a second lane, and a third input signal associated with the VRU located on a crosswalk that extends across the first and second lanes. The system further includes a computer having a processor and a non-transitory computer readable medium. The processor is programmed to determine the predicted collision between the second vehicle and the VRU at a predicted collision site. The processor is further programmed to generate an actuation signal. One or more roadway notification devices notify the VRU that the second vehicle is positioned in the second lane and headed toward the predicted collision site in the crosswalk.

Abstract: Techniques for constant envelope phase modulation and demodulation of a wireless signal such as BLE are described. The method comprises: dividing a binary data stream to be transmitted into a plurality of groups of binary data according to a predetermined phase modulation mode, each group of binary data comprising a plurality of bits; mapping the binary data stream into a plurality of phase symbols, wherein each group of binary data is mapped into one phase symbol; modulating a phase sequence composed of the phase symbols into a phase signal using a phase waveform obtained by integrating a predetermined pulse function; and converting the phase signal into two baseband signals by means of a cosine function and a sine function respectively.

Abstract: Machine-learning-based, adaptive updating of quantitative data in a database system is provided, which includes training one or more machine learning models to facilitate adaptively updating quantitative data in the database system, and ascertaining an update urgency index for updating the quantitative data for one or more data structures of the database system. The update urgency index is representative of an urgency for updating the quantitative data for the data structure(s) and is based, at least in part, on real-time query metrics. The machine learning model(s) is used to adaptively update the quantitative data, where the adaptively updating is based, at least in part, on the ascertained update urgency index. Processing of a database query is optimized in the database system using the adaptively updated quantitative data.

Abstract: Disclosed are a transfer robot (300) and a cleaning system. The transfer robot (300) comprises a vehicle body (310), a transfer device (320), and an angle adjusting device (330). The cleaning system comprises a cleaning area (500), a cleaning robot (200) and the transfer robot (300). The transfer robot (300) serves as a carrying tool for the cleaning robot (200), and transfers the cleaning robot (200) to a channel area (103) among a plurality of solar panel arrays (101), such that the cleaning robot (200) can complete cleaning work on the different solar panel arrays (101).

Abstract: A reverse-jet swirl pulverized coal burner with multi-stage recirculations includes a pre-combustion housing, a primary coal-air structure, a rich-lean output structure, an inner secondary air structure, and an outer secondary air structure. The pre-combustion housing has a pre-combustion chamber and a housing outlet. The primary coal-air structure is configured to separate a primary coal-air flow into a fuel-rich coal-air flow and a fuel-lean coal-air flow. The rich-lean output structure is configured to output the fuel-lean coal-air flow and block the fuel-rich coal-air flow to make the fuel-rich coal-air flow reversely flow to the pre-combustion chamber. The inner secondary air structure is configured to introduce an inner secondary air into the pre-combustion chamber, thereby forming a first-stage recirculation zone in the pre-combustion chamber and forming a second-stage recirculation zone. The outer secondary air structure is configured to form a third-stage recirculation zone at the housing outlet.

Abstract: An inter prediction method and apparatus, and a corresponding encoder and decoder are disclosed. The method includes: obtaining an index value of a length of a motion vector difference of the current picture block; determining target length information from a set of candidate length information based on the index value of the length; obtaining the motion vector difference of the current picture block based on the target length information; determining the motion vector target value of the current picture block based on the motion vector difference of the current picture block and the motion vector predictor of the current picture block; and obtaining a prediction block of the current picture block based on the motion vector target value of the current picture block.

Abstract: A serum circRNA marker for recognizing craniosynostosis and an application thereof. The marker is selected from one or more of hsa_circ_0003568 and hsa_circ_0000945. The marker combination has specificity and sensitivity to craniosynostosis, can be used for a kit for early diagnosis or monitoring of craniosynostosis, and provides a theoretical basis for the research of circRNA for craniosynostosis in the future.

Abstract: A wireless device receives, from a base station via one or more cells in a non-energy-saving (non-ES) state, periodic synchronization signal blocks (SSBs). The wireless device receives, via a downlink channel of the one or more cells of the base station in the non-ES state, control information indicating an energy saving (ES) state, of the one or more cells, associated with one or more time durations. The wireless device stops, after a number of slots from the reception of the control information and based on the control information, the reception of the periodic SSBs via the one or more cells in the ES state associated with the one or more time durations.

Abstract: Methods and apparatuses for video coding are provided. Processing circuitry in one of the apparatuses receives a coded video bitstream that includes prediction information of a chroma block to be reconstructed in a current picture. The prediction information indicates that the chroma block is predicted based at least on a luma block in the current picture. The luma block is reconstructed and collocated with the chroma block. The processing circuitry predicts one or more first chroma samples in the chroma block based on one or more luma samples in the luma block and predicts a second chroma sample in the chroma block based on the predicted one or more first chroma samples and at least one reference chroma sample of the chroma block. The second chroma sample is different from the one or more first chroma samples. The at least one reference chroma sample is adjacent to the chroma block.

Abstract: The present disclosure provides an autonomous mobile device and its obstacle overcoming method and a computer-readable storage medium. The method includes: controlling the autonomous mobile device to move in a predetermined obstacle overcoming mode, and then controlling the autonomous mobile device to continue moving. Here moving in a predetermined obstacle overcoming mode includes: controlling the autonomous mobile device to retreat backwardly from a current location for a first distance; applying braking to a second driving mechanism, and controlling a first driving mechanism to rotate forwardly for a first angle around the second driving mechanism; securing the first driving mechanism, and controlling the second driving mechanism to rotate forwardly for a second angle around the first driving mechanism. As such, by utilizing alternate rotation movements of the two driving mechanisms, the autonomous mobile device can move onto a traversable type obstacle or move across the traversable type obstacle.

Abstract: A wireless device receives one or more radio resource control (RRC) messages indicating configuration parameters of a first number of periodic channel state information (CSI) reference signals (P-CSI-RSs) of a cell. The wireless device receives, via the cell, the P-CSI-RSs. The wireless device receives a DCI comprising an energy saving indication indicating a transition of the cell from a non-energy-saving state to an energy saving state. Based on receiving the DCI and during the energy saving state, the wireless device stops receiving a second number of P-CSI-RSs of the first number of the P-CSI-RSs and receives a third number of P-CSI-RSs of the first number of the P-CSI-RSs. The wireless device transmits a CSI report obtained based on the third number of P-CSI-RSs.

Abstract: The present invention provides a piezoelectric sensor and an electronic device including the piezoelectric sensor. The piezoelectric sensor includes a piezoelectric ceramic layer having a first surface and a second surface, a first metal shrapnel mounted on the first surface, and a second metal shrapnel mounted on the second surface. A first cavity is formed between the first metal shrapnel and the piezoelectric ceramic layer and a second cavity is formed between the second metal shrapnel and the piezoelectric ceramic layer. The piezoelectric sensor further includes a first damping member located in the first cavity and a second damping member located in the second cavity. The second damping member is arranged symmetrically with the first damping member. The piezoelectric sensor and electronic device of the present invention can reduce the internal stress of the piezoelectric ceramic layer, thereby improving the reliability of the piezoelectric sensor.

Abstract: A method for resource indication and a terminal device are provided. The method includes the following. A terminal device receives downlink control information (DCI) sent by a network device. The DCI is used for scheduling P channels, and the P channels are located on at most N serving cells and/or serving cell groups, where P and N each are a positive integer, and N?P. The DCI includes a resource assignment field, and the resource assignment field indicates resources for the P channels.

Abstract: A connecting member for a windscreen wiper system is disclosed. The connecting member includes a head portion and a shaft portion. The shaft portion is configured to be assembled between an output shaft and a transmission housing of the windscreen wiper system to adjust the position of the output shaft in the transmission housing. An outer circumference of the shaft portion includes a plurality of laser engraved longitudinal patterns. The longitudinal patterns include at least one groove engraved in an axial direction of the shaft portion. The plurality of laser engraved longitudinal patterns also include a plurality of microscopic gripping structures formed along a boundary of the at least one groove.

Abstract: The disclosure relates to the technical field of optical systems, and relates to a lens module and an electronic device. The lens module includes a bearing structure, a support frame, a lens barrel, and an adjusting mechanism. The bearing structure includes an upper shell and a base that are connected with each other. In the lens module of the present embodiment, by adopting a bent portion spaced apart from the side wall to cooperate with the focus coil, the internal space of the upper shell can be fully utilized to make the structure between the focus assembly and the upper shell more compact, thereby making the overall structure of the lens module more compact.

Abstract: According to embodiments of the present invention, a sensor for determining relative motion between two objects is provided. The sensor includes a primary sensing part including a single primary electrode or multiple primary electrodes; a secondary sensing part including a single secondary electrode or multiple secondary electrodes; and one or more electrical measurement units. Each electrical measurement unit may be electrically coupled to a ground and one of the followings: the single primary electrode, a common electrical connection or separate electrical connections of the multiple primary electrodes, the single secondary electrode, a common electrical connecting point or separate electrical connecting points of the multiple secondary electrodes; or electrically coupled between two primary electrodes, or between two secondary electrodes.

Abstract: A microreactor has a plurality of mixing units connected in sequence. Each of the mixing units has a housing in which a flow chamber is formed. An inlet portion and an outlet portion formed on two opposite ends of each mixing unit along the longitudinal direction, respectively, are in communication with the flow chamber. The mixing unit also has a first blocking portion centrally arranged within said flow chamber along a lateral direction perpendicular to the longitudinal direction, and between the inlet portion and the outlet portion, so that a first advancing passage, a second advancing passage and a mixing region are formed within the flow chamber. At downstream ends of said first passage and said second advancing passage, the microreactor is further provided with auxiliary flow-guiding portions protruding from a first side profile and a second side profile respectively and extending towards but spaced apart from each other.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, configuration information indicating a wake-up signal (WUS) configuration associated with a discontinuous reception (DRX) cycle, wherein the WU'S configuration indicates one or more WUS occasions. The UE may identify one or more conditions. The UE may refrain from monitoring at least one WUS occasion, from the one or more WUS occasions, based at least in part on the identification of the one or more conditions. The UE may monitor one or more resources during an on duration associated with the DRX cycle. Numerous other aspects are described.