Abstract: Provided are a floor brush assembly for a vacuum cleaner and the vacuum cleaner. The floor brush assembly includes a roller brush component and a driving mechanism. The roller brush component includes a sleeve and a roller brush body rotatably mounted in the sleeve. The roller brush body is provided with bristles. The driving mechanism includes a power source and a transmission component. The transmission component includes a first driving member, a second driving member, and a driving wheel connected to the power source. The driving wheel is connected to the first driving member through a transmission shaft to drive the roller brush body to rotate. The driving wheel is connected to the second driving member through a linkage structure to drive the sleeve to rotate. The first driving member and the second driving member are eccentrically arranged to allow the bristles to be selectively extended out of or retracted into the sleeve.

Abstract: Provided is a floor brush assembly for a vacuum cleaner. The floor brush assembly includes a roller brush component and a driving mechanism. A roller brush body of the roller brush component is rotatably mounted in a sleeve. The roller brush body is provided with bristles arranged in an elongated shape to form a bristle portion. The sleeve of the roller brush component has an avoidance opening of an elongated shape, and the bristle portion and the avoidance opening are arranged to directly face towards each other in a radial direction of the roller brush body. A first driving member of the driving mechanism is configured to drive the roller brush body to rotate, and a second driving member is configured to drive the sleeve to rotate. The first driving member and the second driving member are eccentrically arranged to allow the bristle portion to be selectively extended or retracted through the avoidance opening.

Abstract: A sidelink transmission method includes: executing first-type coordination information transmission; and/or, executing physical sidelink feedback channel (PSFCH) transmission, wherein the PSFCH transmission includes at least one of the following: first-type PSFCH transmission, which is used for carrying hybrid automatic repeat request acknowledgement (HARQ-ACK) information, second-type PSFCH transmission, which is used for carrying second-type coordination information, the second-type coordination information being conflict information, and third-type PSFCH transmission, which is used for avoiding channel occupancy time (COT) interruption.

Abstract: The present disclosure provides a method for diagnosing structural in-service performance based on high dam risk mode and failure path. The method includes: constructing a high dam risk incident case database and extracting risk feature parameters; applying multi-scale hierarchical adaptive correspondence analysis, and resolving the problem of imbalance feature weights through feature weight calculation, hierarchical weighting of risk modes, establishment of physical similarity indices, and structural difference compensation, generating a weighted similar-project ranking list; constructing a time-series adaptive network model with multiple failure modes coupled to address the imperfect time-series evolution mechanism of failure paths, and outputting a time-series failure path prediction model; combining the similar-project ranking list and the time-series failure path prediction model to conduct engineering analogy analysis and generate a high dam safety status assessment report.

Abstract: Disclosed are a method and an apparatus for resource coordination between vehicle-to-everything devices, and a user equipment. The method includes: receiving SCI sent by at least one second user equipment, where the SCI includes indication information for triggering resource coordination; and sending coordination information to a target second user equipment, where the coordination information is used to instruct the target second user equipment to perform resource reselection, and the target second user equipment is at least one of the second user equipments.

Abstract: The present disclosure discloses a method and apparatus for selecting resource of a sidelink, and a user equipment, which relates to the technical field of communications. The method includes: determining an initial candidate resource set according to resource pool configuration information and/or a first parameter, wherein the resource pool configuration information includes configuration information of a sub-channel, and the sub-channel includes an interlaced resource block (IRB); performing resource exclusion in the initial candidate resource set, and determining a remaining candidate resource set meeting a requirement; and selecting, from the remaining candidate resource set, a transmission resource for physical sidelink control channel (PSCCH) and physical sidelink shared channel (PSSCH) transmission.

Abstract: A sidelink resource determination method includes: acquiring physical sidelink feedback channel (PSFCH) resource indication information; and determining target PSFCH resources on the basis of the PSFCH resource indication information, wherein the target PSFCH resources are used for PSFCH transmission, and a single target PSFCH resource includes any one of the following: a first interlaced resource block (IRB) and a first number of physical resource blocks (PRBs); and a second IRB.

Abstract: A resource determination method for sidelink operation on unlicensed spectrum includes: acquiring initial information by a first terminal device; on the basis of the initial information, determining a candidate resource set; and performing resource exclusion on the candidate resource set to obtain an available resource set. A resource determination apparatus for sidelink operation on unlicensed spectrum is also disclosed.

Abstract: A resource selection method, a resource selection device and a terminal device are provided, related to the field of communications technologies. The method includes: transmitting sidelink resource coordination request information; receiving sidelink resource coordination information from a coordinating UE; and performing a resource selection for the sidelink, according to the sidelink resource coordination information.

Abstract: A method for determining a cyclic prefix extension (CPE) includes: according to transmission type information that a first transmission meets, determining a CPE starting position corresponding to a target transmission resource for the first transmission. The transmission type information includes at least one of the following: belonging to a transmission after a first channel access type; belonging to a transmission after a second channel access type; there being no available shared channel occupancy information; there being one piece of available shared channel occupancy information; there being at least two pieces of available shared channel occupancy information; or belonging to a continuous multi-slot transmission.

Abstract: A resource selection method, a resource selection device and a terminal device are provided, which relate to the field of communication technology. The resource selection method includes: determining content of sidelink resource coordination information; transmitting the sidelink resource coordination information.

Abstract: Embodiments of the present disclosure provide an eccentric rotating device, a cleaning floor brush, and a cleaning apparatus, which belongs to the field of cleaning technologies. The eccentric rotating device is applied in the cleaning apparatus. The eccentric rotating device includes a first rotating assembly, an actuator, a second rotating assembly, and a follower. The first rotating assembly has a first rotation centerline. The first rotating assembly is rotatable about the first rotation centerline. The actuator is disposed at the first rotating assembly. The second rotating assembly has a second rotation centerline spaced apart from the first rotation centerline. The second rotating assembly is rotatable about the second rotation centerline. The follower is disposed at the second rotating assembly. The actuator is configured to abut with the follower to enable the first rotating assembly to drive the second rotating assembly to rotate.

Abstract: A resource selection method, an information sending method, apparatuses, and a terminal relate to the technical field of communications. The resource selection method includes: performing resource exclusion on resources in a resource selection window by using a slot candidate resource as granularity, to obtain a candidate resource set; selecting a transmission resource for first target data from the candidate resource set; and sending the first target data to a second terminal through the transmission resource.

Abstract: Disclosed are a resource selection method and device suitable for a sidelink, and a user equipment. The method is applied to a first user equipment and includes: performing resource selection in a resource pool supporting HARQ feedback, wherein the selected resources are used for a PSCCH transmission and a PSSCH transmission; and the correspondence between the PSSCH transmission and a PSFCH transmission comprises at least one of the following: one PSSCH transmission corresponds to M1 PSFCH transmissions located on different time units; and one PSSCH transmission at most corresponds to M2 PSFCH transmissions located on different time units, wherein M1 and M2 are configured or pre-configured positive integers, and a PSFCH is used for bearing HARQ feedback information.

Abstract: Disclosed are a sidelink resource selection method, a sidelink resource selection apparatus, and a terminal. The method includes: acquiring configured or pre-configured resource pool configuration information, the resource pool configuration information comprising frequency domain resource configuration information and/or sub-channel configuration information, and a sub-channel comprising an interlaced resource block (IRB).

Abstract: The present disclosure provides an underwater detection method for contact leakage of a tunnel joint of a dam culvert, including: obtaining an underwater image sequence of the culvert by an underwater robot; preprocessing and registering the underwater image sequence; extracting particle information appearing in the underwater image sequence based on the registered underwater image sequence; constructing a three-dimensional fluid velocity distribution map based on the particle information, and determining leakage situation according to the three-dimensional fluid velocity distribution map; and superimposing the three-dimensional fluid velocity distribution map on a preconfigured three-dimensional culvert model, and rendering and displaying it.

Abstract: The present disclosure provides an underwater detection method for contact leakage of a tunnel joint of a dam culvert, including: obtaining an underwater image sequence of the culvert by an underwater robot; preprocessing and registering the underwater image sequence; extracting particle information appearing in the underwater image sequence based on the registered underwater image sequence; constructing a three-dimensional fluid velocity distribution map based on the particle information, and determining leakage situation according to the three-dimensional fluid velocity distribution map; and superimposing the three-dimensional fluid velocity distribution map on a preconfigured three-dimensional culvert model, and rendering and displaying it.

Abstract: Disclosed are a channel access processing method and a channel access processing apparatus applied to sidelink, and a network-side device. The channel access processing method applied to sidelink, which method is applied to a first terminal, includes: a first terminal executing resource selection to determine a first target resource; and executing a Type 1 channel access process on at least some of the first target resource, so as to determine whether a channel is idle and to determine a channel occupancy time (COT).

Abstract: Provided are a floor brush assembly for a vacuum cleaner and the vacuum cleaner. The floor brush assembly includes a roller brush component and a driving mechanism. The roller brush component includes a sleeve and a roller brush body rotatably mounted in the sleeve. The roller brush body is provided with bristles. The driving mechanism includes a power source and a transmission component. The transmission component includes a first driving member, a second driving member, and a driving wheel connected to the power source. The driving wheel is connected to the first driving member through a transmission shaft to drive the roller brush body to rotate. The driving wheel is connected to the second driving member through a linkage structure to drive the sleeve to rotate. The first driving member and the second driving member are eccentrically arranged to allow the bristles to be selectively extended out of or retracted into the sleeve.

Abstract: Provided is a floor brush assembly for a vacuum cleaner. The floor brush assembly includes a roller brush component and a driving mechanism. A roller brush body of the roller brush component is rotatably mounted in a sleeve. The roller brush body is provided with bristles arranged in an elongated shape to form a bristle portion. The sleeve of the roller brush component has an avoidance opening of an elongated shape, and the bristle portion and the avoidance opening are arranged to directly face towards each other in a radial direction of the roller brush body. A first driving member of the driving mechanism is configured to drive the roller brush body to rotate, and a second driving member is configured to drive the sleeve to rotate. The first driving member and the second driving member are eccentrically arranged to allow the bristle portion to be selectively extended or retracted through the avoidance opening.