Abstract: A floating connector and a contact for the floating connector are disclosed. The floating connector includes a stationary housing, a movable housing and a plurality of contacts. The stationary housing has an internal space opened upward, and at least one part of the movable housing is received in the internal space and freely movable with respect to the stationary housing. Each contact comprises: a soldered portion, a first held portion, a spring portion, a second held portion, a contact arm and a contact portion. The first held portion extends from the soldered portion and held by the stationary housing, the second held portion is held by the movable housing, and the first held portion and the second held portion are connected by the spring portion. The spring portion is formed with a plurality of elongated slots. With aid of the elongated slots, elastic deformation of the spring portion is facilitated.

Abstract: A spiking neuron reinforcing circuit and a spiking neuron reinforcing method are provided.

Abstract: Disclosed is a video generation method in the fields of deep learning, large models, natural language processing and computer vision. The video generation method includes: obtaining text information to be processed, and segmenting the text information to be processed into sentences to obtain target sentences; selecting video shots matching the target sentences respectively from video shots in a material library as candidate materials corresponding to the target sentences respectively; for the target sentences, performing the following processing respectively: determining a screening method corresponding to a target sentence according to a position of the target sentence in the text information to be processed, selecting a target material for generating a required target video from the candidate materials corresponding to the target sentence according to the screening method; and generating the target video based on the target materials corresponding to the target sentences, respectively.

Abstract: Provided are a video editing method, an electronic device and a medium. The video editing method includes: acquiring a first video; cutting the first video to obtain a plurality of segments; determining a plurality of labels respectively corresponding to the plurality of segments, each label among the plurality of labels selected from one of a first label, a second label, a third label or a fourth label, where the first label indicates singing, where the second label indicates speaking, where the third label indicates background music, and where the fourth label indicates a segment that does not correspond to the first label, the second label or the third label; determining a singing segment set based on the plurality of labels, the singing segment set including consecutive segments among the plurality of segments that correspond to the first label; and generating a second video based on the singing segment set.

Abstract: The present teaching generally relates to identifying data bucket overlap with online experiments. In a non-limiting embodiment, first data representing a first set of identifiers associated with a first data bucket of a first online experiment may be obtained. Second data representing a second set of identifiers associated with a second data bucket of the first online experiment may be obtained. Based on the first data and the second data, a first number of identifiers that are associated with the first data bucket and the second data bucket may be determined. In response to determining that the first number exceeds a threshold, a data flag indicating that results associated with the first online experiment are inconsistent may be generated.

Abstract: The present teaching generally relates to detecting providing pre-validated data buckets for online experiments. In a non-limiting embodiment, user activity data representing user activity for a first plurality of user identifiers may be obtained. A first set of values and a second values, representing first and second user engagement parameters, respectively, may be generated for each user identifier based on the user activity data. A first ranking and a second ranking may be determined for the first and second sets, respectively. A first exclusion range including a first number of values to be removed from the first and second sets may be determined. A homogenous value set may be generated by removing the first number of values from the first and second sets, where each value from the homogenous value set corresponds to a user identifier available to be placed in a data bucket for an online experiment.

Abstract: Methods, systems, and computer-readable media for an e-commerce document framework with cross-source and cross-document validation are disclosed. A document framework system determines a document template associated with a request to generate a document comprising a record of one or more transactions. The document template indicates a plurality of data sources that store a plurality of data elements for the document and a plurality of validation tasks. The document framework system receives the plurality of data elements for the document from the plurality of data sources. The document framework system performs the validation tasks to determine the correctness of the data elements. The validation comprises cross-source validation and cross-document validation. The document framework system generates the document based (at least in part) on the data elements if the validation is successful.

Abstract: A multi-degree-of-freedom active damping mechanism control method, system and a damping mechanism are provided. A skyhook active damping control algorithm is used for controlling an electric cylinder output force in a vertical damping direction, and an adaptive control algorithm with an adaptive rate is used for correcting a load moment of inertia in pitch and roll damping directions. At the same time, a predictive model is established according to a task space linearization equation near an equilibrium point, and states of the system at N future moments are predicted in advance at each moment to achieve optimal control under complex constraints and reduce the influence of system delay. At the same time, the three control methods may further improve the active damping effect of the damping device by combining road information obtained by a visual sensor in real time.

Abstract: An active compensation algorithm for an inertia force of on-board equipment and a damping device are provided. The algorithm includes the following steps: a compensation angle acquisition step: acquiring an expected real-time inertia force compensation angle of a damped target when a vehicle takes a sudden turn or emergency braking based on velocity information, acceleration information, and angular velocity information of a vehicle chassis; and a control step: adjusting an angle of a damping motor by adopting a control algorithm according to the real-time inertia force compensation angle, where the damping motor keeps pace with the expected inertia force compensation angle in real time. The active compensation algorithm for the inertia force of on-board equipment can calculate the inertia force compensation angle of the vehicle in real time, so as to achieve a better inertia force compensation function to the damped target through the damping motor.

Abstract: The present disclosure discloses a defrosting control method, a central controller and a heating system. The defrosting control method comprises: heating fluid in a flow passage between an inlet and an outlet of a first heat source by a second heat source, at least in a part of process of defrosting by the first heat source; acquiring an operation parameter of the first heat source, wherein the operation parameter comprises a water outlet temperature and/or a water return temperature and/or an operation parameter of a compressor of the first heat source, comparing a current value of the acquired operation parameter with a preset range of the operation parameter, and adjusting a heat exchange amount between the second heat source and the fluid when the acquired current value is within the preset range.

Abstract: A control method for a heat pump unit includes acquiring a first output capability set when the heat pump unit reaches a first preset energy efficiency ratio set at a current ambient temperature; acquiring a total demand load demanded by an indoor area having a heating demand or a cooling demand; and causing the heat pump unit to operate in accordance with the first output capability set when the total demand load is smaller than the first output capability set.

Abstract: The present teaching generally relates to detecting providing pre-validated data buckets for online experiments. In a non-limiting embodiment, user activity data representing user activity for a first plurality of user identifiers may be obtained. A first set of values and a second values, representing first and second user engagement parameters, respectively, may be generated for each user identifier based on the user activity data. A first ranking and a second ranking may be determined for the first and second sets, respectively. A first exclusion range including a first number of values to be removed from the first and second sets may be determined. A homogenous value set may be generated by removing the first number of values from the first and second sets, where each value from the homogenous value set corresponds to a user identifier available to be placed in a data bucket for an online experiment.

Abstract: In a method for acetylene hydrochlorination to vinyl chloride catalyzed by ultra-low content aurum-based material, a nitrogen-modified activated carbon support is obtained by using 1,10-phenanthroline as a modifier. A trace amount of aurum is used as a main active component and an organic solvent with a low polarity and a low boiling point, isopropanol, is used as a solvent. An ultra-low content of aurum-based catalyst with the aurum loading amount of 0.01 wt % using the above nitrogen-modified activated carbon as a support is prepared by improving the synthesis procedure, and the efficiency of the catalyst is significantly improved. The catalyst has high activity and vinyl chloride selectivity for acetylene hydrochlorination to vinyl chloride, which is low cost, no mercury pollution, simple in preparation process and expansibility, and has great industrial application value.

Abstract: A safety protection method based on a vehicle-mounted air conditioner of a new energy vehicle, including: detecting a running state of the vehicle; if the vehicle stops running, performing human body detection; when a person is detained in the vehicle, detecting a staying time of the person detained in the vehicle; after the staying time exceeds a reasonable time, alerting an associated contact person that the detention person is left behind in the vehicle, and simultaneously performing temperature monitoring, time monitoring and power monitoring. A safety protection system based on a vehicle-mounted air conditioner is also disclosed.

Abstract: A floor washing machine includes a handle assembly; a control unit provided at the handle assembly; a power supply unit electrically connected to the control unit; a rod assembly connected to the handle assembly; a base assembly connected to a lower portion of the rod assembly; a sweeping/scrubbing assembly provided at the base assembly and having a motor controlled by the control unit and a scrubbing roller to be driven into forward or reverse rotation by the motor; and a water supply assembly having a water outlet pipe, wherein the water outlet pipe has a water outlet opening and can be rotated in order to point the water outlet opening to a forward-of-roller direction or a rearward-of-roller direction of the sweeping/scrubbing assembly.

Abstract: The present teaching generally relates to detecting providing pre-validated data buckets for online experiments. In a non-limiting embodiment, user activity data representing user activity for a first plurality of user identifiers may be obtained. A first set of values and a second values, representing first and second user engagement parameters, respectively, may be generated for each user identifier based on the user activity data. A first ranking and a second ranking may be determined for the first and second sets, respectively. A first exclusion range including a first number of values to be removed from the first and second sets may be determined. A homogenous value set may be generated by removing the first number of values from the first and second sets, where each value from the homogenous value set corresponds to a user identifier available to be placed in a data bucket for an online experiment.

Abstract: Techniques for evaluating a user experience experiment designed to use one user experience variant selected from a number of user experience variants as a global-best user experience variant to be used across users relative to a machine model trained to use user data to identify a user-preferred user experience variant. Disclosed systems and methods provide techniques for optimizing user response. In one embodiment, a global-best user experience variant is evaluated by comparing an aggregate user response determined for the global-best user experience variant to an aggregate user response determined using user response predictions determined using the trained machine model, and using the outcome of the comparison to make a recommendation as to which one of the global-best user experience variant and the trained machine model to adopt for providing a user experience to users.

Abstract: A floating multi-terminal connector includes a male head, a female seat, a plurality of limiters, a plurality of firs terminals and a plurality of second terminals. The male head includes a first base, a first connecting portion and a plurality of first terminal slots. The female base includes a second base, a second connecting portion, a plurality of second terminal grooves and a plurality of fourth terminal grooves. The numbers of the first terminal grooves, the second terminal grooves, and the fourth terminal grooves are more than or equal to one hundred. The second connecting portion forms a limiting protrusion to correspond to a limiting groove formed by a limiting element. The second connecting portion is suspended on the second base through the second terminals. The second connecting portion provides movement in horizontal and vertical directions through the second terminals, the limiting protrusion and the limiting grooves.

Abstract: Techniques for assigning users to buckets for use in bucket experiments are disclosed. Disclosed systems and methods provide systems and methods for making automatic bucket assignments using Nearest Neighbor Matching (NNM). In one embodiment, an iterative approach is used in assigning users to buckets, such that in a given iteration selected users are assigned to a number of buckets, the selected users being an initial user selected from a pool of users and other users selected using pairwise distances associated with the initial user and the other users.

Abstract: A dual handle speed adjustment device includes left and right handles, a link and a slider. The left and right handles each have an actuating end, an operating end and a handle hinge as a pivot axis. The slider has a first connection end connected to the actuating ends of the left and right handles, a second connection end connected to a speed control device, and a part between the first and second connection ends hinged to one end of the link, which has the other end thereof provided with a link rotation axis. The left and right handles independently drive the slider to move when they are turned. The invention can realize the separate operation of two speed adjusting handles.