Abstract: A drive system is disclosed which applies to a six-phase integrated permanent magnet synchronous motor. The motor includes a set of six-phase half-bridge drive system and a thermistor monitoring system for monitoring the temperature of the six-phase half-bridge drive system. Aiming at the problem that the six-phase drive system is complicated and has many components, the invention adopts a grouping method to divide the six-phase drive system into two sets of three-phase drive half-bridges. To provide stability for long term operation, a thermistor is used to accurately measure the temperature changes.

Abstract: Dental appliances and methods for expanding the lower dental arch. The appliances may be removable mandibular expander devices for efficient arch expansion while being comfortable to wear and easy to use. The appliances may include a lingual portion that is shaped and sized to apply an expansion force to lingual surfaces of one or more teeth. The shape and size of the lingual portion may be configured to distribute the forces among posterior and/or anterior teeth.

Abstract: A nitride-based semiconductor device includes a first nitride-based semiconductor layer, a second nitride-based semiconductor layer, a third nitride-based semiconductor layer, a passivation layer, a gate insulator layer, and a gate electrode. The first nitride-based semiconductor layer includes at least two doped barrier regions defining an aperture between the doped barrier regions. The second nitride-based semiconductor layer is disposed over first nitride-based semiconductor layer. The third nitride-based semiconductor layer is disposed on the second nitride-based semiconductor layer and has a bandgap higher than a bandgap of the second nitride-based semiconductor layer. The passivation layer is disposed over the third nitride-based semiconductor layer, in which a vertical projection of the passivation layer on the first nitride-based semiconductor layer is spaced apart from the aperture. The gate insulator layer is disposed over the third nitride-based semiconductor layer.

Abstract: Provided are a driver controller integrated board, a control system, and a robot. The driver controller integrated board includes a control module (1), a drive module (2), and a first substrate (3). The control module (1) and the drive module (2) are disposed on the first substrate (3), and the control module (1) is electrically connected to the drive module (2).

Abstract: The three-stage axial flow degassing device adopts an efficient degassing technology including a vertical high speed swirling field, a horizontal rapid axial flow field and a vertical reversing scrubbing field formed by a combination of vertical tubes; the first-stage degasser performs the first-stage segmental vertical high speed swirling degassing operation, removes the gas phase carried by the gas-containing fluid, and forms a primary gas and a primary fluid; the microporous uniform mixer breaks bubbles of the primary fluid and forms a gas-liquid uniform mixed flow; the second-stage degasser performs the second-stage horizontal vane wheel swirling generating rapid axial flow degassing operation, removes the gas phase carried by the gas-liquid uniform mixed flow, and forms a secondary gas and a secondary fluid; the third-stage degasser performs the third-stage vertical reversing deep degassing operation, removes liquid phase carried by the secondary gas, and forms a tertiary gas and a tertiary fluid.

Abstract: A bandwidth part processing method and apparatus is provided. The method includes: responsive to expiration of an inactivity timer corresponding to an active first bandwidth part BWP, determining whether a carrier in which the first BWP is located includes a second BWP in an active state; and responsive to determining that the carrier includes the second BWP in the active state, deactivating the first BWP. According to this method, an unnecessary BWP switch procedure can be avoided.

Abstract: A light bulb apparatus includes a glass housing, a sleeve housing, a light source plate, a sleeve connector wrapping and an Edison cap. The glass housing defines a tubular part and a trumpet part. The sleeve housing includes a neck part and a protruding part. The neck part is enclosed by the tubular part of the glass housing. The protruding part is exposed outside tubular part. The light source plate is fixed to the sleeve housing. The sleeve connector wraps an exterior surface of the protruding part. The Edison cap is attached to the sleeve connector.

Abstract: A method and an apparatus for generating a video are provided. The method may include performing, by a server, semantic analysis on an original video according to a timing characteristic of the original video, and segmenting the original video to obtain video segments with semantic information; obtaining, by the server, a video generation sequence model with a timing characteristic based on at least one previously configured video generation sequence model with a timing characteristic according to preference video information obtained from a client; and reorganizing, by the server, the video segments with the semantic information according to the video generation sequence model with the timing characteristic to obtain a target video of the client.

Abstract: A separation device with two-stage gas-liquid mixture and conical spiral fields is provided. A first-stage uniform mixer performs first-stage gas-liquid crushing and uniform mixing process by an outer micropore ceramic pipe, a middle micropore ceramic pipe and an inner micropore ceramic pipe and crushes large bubbles in the gas-liquid two-phase flow into small bubbles. A second-stage uniform mixer performs second-stage gas-liquid crushing and uniform mixing process. A whirlpool-making gas collector adjusts the gas-liquid uniform mixing flow obtained after two-stage gas-liquid uniform mixing into hollow-core type high-speed two-phase spiral flow. A conical degasser performs gas-liquid efficient separation operation in a high-speed conical spiral field.

Abstract: A beam failure recovery request sending method includes: after a beam failure event occurs in a terminal, searching for a candidate beam; and after at least one candidate beam is found, using a physical uplink control channel (PUCCH) resource to send a beam failure recovery request (BFRQ) to a base station, the PUCCH resource comprising a PUCCH resource pre-allocated to the terminal by the base station or a PUCCH resource in a preset format. The present disclosure achieves the purpose of transmitting a BFRQ using a PUCCH resource, making the time delay of transmitting a BFRQ small.

Abstract: Provided are a method and apparatus for transmitting a Scheduling Request (SR). The method includes: before sending an SR to a base station through a Physical Uplink Control Channel (PUCCH), determining a preset parameter for generating an SR sequence based on the SR and a PUCCH format for sending the SR, the preset parameter corresponding to a transmission manner of the SR and the PUCCH format, the transmission manner of the SR including that a first SR is transmitted, a second SR is transmitted and both the first SR and the second SR are transmitted simultaneously, and the first SR and the second SR being different types of SRs; generating the SR sequence based on the preset parameter; and sending the SR sequence to the base station. Accordingly, the terminal can transmit two types of SRs simultaneously without additionally increasing the SR resource.

Abstract: A drive system is disclosed which applies to a six-phase integrated permanent magnet synchronous motor. The motor includes a set of six-phase half-bridge drive system and a thermistor monitoring system for monitoring the temperature of the six-phase half-bridge drive system. Aiming at the problem that the six-phase drive system is complicated and has many components, the invention adopts a grouping method to divide the six-phase drive system into two sets of three-phase drive half-bridges. To provide stability for long term operation, a thermistor is used to accurately measure the temperature changes.

Abstract: Provided are a method and apparatus for transmitting a Scheduling Request (SR) and a storage medium. The method includes: before sending an SR to a base station through a Physical Uplink Control Channel (PUCCH), determining a preset parameter for generating an SR sequence based on the SR and a PUCCH format for sending the SR, the preset parameter corresponding to a transmission manner of the SR and the PUCCH format, the transmission manner of the SR including that a first SR is transmitted, a second SR is transmitted and both the first SR and the second SR are transmitted simultaneously, and the first SR and the second SR being different types of SRs; generating the SR sequence based on the preset parameter; and sending the SR sequence to the base station. Accordingly, the terminal can transmit two types of SRs simultaneously without additionally increasing the SR resource.

Abstract: A separation device with two-stage gas-liquid mixture and conical spiral fields is provided. A first-stage uniform mixer performs first-stage gas-liquid crushing and uniform mixing process by an outer micropore ceramic pipe, a middle micropore ceramic pipe and an inner micropore ceramic pipe and crushes large bubbles in the gas-liquid two-phase flow into small bubbles. A second-stage uniform mixer performs second-stage gas-liquid crushing and uniform mixing process. A whirlpool-making gas collector adjusts the gas-liquid uniform mixing flow obtained after two-stage gas-liquid uniform mixing into hollow-core type high-speed two-phase spiral flow. A conical degasser performs gas-liquid efficient separation operation in a high-speed conical spiral field.

Abstract: A three-stage degassing and dewatering device includes a first-stage degasser, a second-stage degasser, an oil drainer, a rod electrode, a dewaterer, and a water drainer. The first-stage degasser implements a first-stage axial-flow type collision buffer degassing and dewatering operation, forming a first-stage crude oil after removing some of the gas and water in the gas-containing and water-containing crude oil. The second-stage degasser implements a second-stage elevated efficient degassing operation, forming a second-stage crude oil after removing the remaining gas in the first-stage crude oil. The rod electrode constructs a dynamic electric field with a high frequency and a high voltage, and implements a third-stage high-frequency and high-voltage rapid dewatering operation together with the dewaterer, forming a qualified crude oil after removing the remaining water in the crude oil emulsion.

Abstract: A method relating to control of a system including a single-phase three-level quasi-Z type source inverter connected to an LC filter which is in turn connected to a load, the inverter including first and second bridge arms, each including a plurality of switches, the method including the steps of (a) for each of a plurality of consecutive sampling periods (i) determining the duration of a shoot-through period for the next sampling period during which the inverter is in shoot-through mode; (ii) choosing a configuration of the switches for the next sampling period (iii) at the end of the sampling period setting the switches in the chosen configuration for the next sampling period; and (b) at a time during the next sampling period and for the duration of the shoot-through period setting the switches such that the inverter is in shoot-through mode.

Abstract: There is disclosed a motor (100) comprising: a stator (120), comprising a core (122) and a plurality of windings (124); and a rotor (140), comprising a plurality of permanent magnets (150, 152, 154), wherein a first portion of the magnets (150, 152) is disposed on two axial rotor portions (142, 144) in close proximity to two respective axial sides of the windings (124), and a second portion of the magnets (154) is disposed on a radial rotor portion (146) in close proximity to a radial side of the windings (124), and wherein energising the windings (124) causes a torque to be applied to the rotor (140) via said two axial rotor portions (144, 144) and said radial rotor portion (146).

Abstract: A method relating to control of a system including a single-phase three-level quasi-Z type source inverter connected to an LC filter which is in turn connected to a load, the inverter including first and second bridge arms, each including a plurality of switches, the method including the steps of (a) for each of a plurality of consecutive sampling periods (i) determining the duration of a shoot-through period for the next sampling period during which the inverter is in shoot-through mode; (ii) choosing a configuration of the switches for the next sampling period (iii) at the end of the sampling period setting the switches in the chosen configuration for the next sampling period; and (b) at a time during the next sampling period and for the duration of the shoot-through period setting the switches such that the inverter is in shoot-through mode.

Abstract: The method comprises: a user terminal initiating an authentication request to a target server and providing device information of the user terminal, and the target server receiving the authentication request and generating a temporary session, and sending a temporary session ID and the device information to a quantum key allocation network; the quantum key allocation network searching for a wearable device bound to the user terminal, and sending the temporary session ID to the wearable device; the wearable device collecting biological recognition information of a user, and sending the biological recognition information to the quantum key allocation network; and the quantum key allocation network matching the biological recognition information with pre-stored biological recognition information, wherein if matching is successful, an authentication result is sent to the target server, and then the target server sends the authentication result to the user terminal.

Abstract: The present invention relates to a plug and valve integrated cone valve pump with combined type movable and fixed three cylinders and two spiral centralizers, which is applied to suction working conditions in highly deviated well sections. It comprises three pump cylinders, which are combined type including two fixed cylinders and a dynamic cylinder, two centralizers, which are combined type including a dynamic spiral centralizer and fixed spiral centralizer, a fixed cone valve, a cylinder and plug integrated springing fixed cone valve, a fixed plunger and a movable guide rod cone valve to solve the problems such as stuck pump, eccentric wear between plunger and pump cylinder and valve leakage.