Abstract: Robotic medical systems can be capable of contact sensing and contact reaction. A robotic medical system can include a robotic arm and one or more sensors. The robotic medical system can be configured to detect, via the one or more sensors, a contact force or torque that is exerted on the robotic arm by an external object. In response to detecting the contact force or torque, and in accordance with a determination that a magnitude of the contact force or torque is between a lower contact force or torque limit and an upper contact force or torque limit, the robotic medical system can enable a first set of controlled movements on the robotic arm in accordance with the detected contact force or torque.

Abstract: A display panel includes an active area and a peripheral area surrounding the active area, and the display panel further includes: a substrate and a plurality of light emitting devices arranged on the substrate in array, wherein the plurality of light emitting devices are located at least in the active area; a conducting layer comprising a cathode ring and cathodes of the plurality of light emitting devices, wherein the cathode ring is located in the peripheral area, and the cathode ring surrounds the active area; and a lens layer located at a side of the light emitting devices away from the substrate, wherein the lens layer extends from the active area to the peripheral area; wherein an orthographic projection of the lens layer on the substrate is located within an area delineated by an outer contour of an orthographic projection of the cathode ring on the substrate.

Abstract: A method and an apparatus for generating an electrical topology diagram of a power system, and a medium are provided. The method includes identifying at least one information identification diagram corresponding to each of the at least one convergence device to obtain electrical topology location information and device information of power devices connected to each of the at least one convergence device; and generating an electrical topology diagram of the power system based on the electrical topology location information and the device information of the power devices connected to each of the at least one convergence device. The information identification diagram includes at least one cell, and each of the at least one cell has a device identifier of corresponding one of the plurality of power devices and electrical topology location information of the one of the plurality of power devices.

Abstract: The embodiments of the present application provide a signal compensation method, an electronic device, and a passive optical network system, and specifically relate to the field of communication. The method comprises: increasing signal chirp; by means of the increased chirp, generating a dispersion compensation amount; and by means of the dispersion compensation amount, compensating for a signal dispersion penalty.

Abstract: Robotic systems can be capable of collision detection and avoidance. A medical robotic system can include a first kinematic chain and one or more sensors positioned to detect one or more parameters of contact with one or more portions of the first kinematic chain. The medical robotic system can be configured to cause adjustment of a configuration of the first kinematic chain from a first configuration to a second configuration based on a constraint determined from the one or more parameters of contact with the first kinematic chain detected by the one or more sensors.

Abstract: The present disclosure provides an energy storage inverter, a bus balance method of the energy storage inverter, and a storage medium. The energy storage inverter includes a first stage of the energy storage inverter including a DC-DC conversion circuit, configured to convert a voltage of an energy storage battery into a DC voltage higher than the voltage of the energy storage battery; a second stage of the energy storage inverter including a three-level Boost circuit or a three-level Buck circuit configured to stabilize a bus voltage; and a third stage of the energy storage inverter including a three-level inversion circuit. The energy storage inverter includes a Boost operating mode 1, a Boost operating mode 2, a Boost operating mode 3, a Boost operating mode 4, a Buck operating mode 1, a Buck operating mode 2, a Buck operating mode 3 and a Buck operating mode 4.

Abstract: Embodiments of the present disclosure provide an optical splitter of a passive optical network and an optical signal processing method. The optical splitter comprises a planar lightwave circuit optical splitter and a planar lightwave circuit filter array, wherein the planar lightwave circuit filter array comprises a thin-film filter chip module, the planar lightwave circuit optical splitter is used for splitting an input optical signal into a plurality of sub-signals and inputting the plurality of sub-signals into corresponding thin-film filters, and the thin-film filter chip module is used for filtering the plurality of sub-signals and outputting a plurality of target sub-signals.

Abstract: A process for producing a heavy metal mediated biochar composite using silicate solidification. Hydrocharis dubia has excellent enrichment of manganese ions in sewage, and is used to treat sewage water to adsorb heavy metals such as lead, manganese and zinc contained in the sewage water into roots, stems and leaves thereof, which are pyrolysed in stages at high temperature with activated red mud and bentonite prior to blending with zeolites, to produce said heavy metal mediated biochar composite; the process significantly extends the migration time of heavy metals, increases the stability of heavy metals and reduces the risk of environmental pollution by heavy metal leakage.

Abstract: Embodiments of this application disclose a channel access method and apparatus. The method includes: A first device determines a first frame, where the first frame includes first indication information, the first indication information indicates a first AP in at least one access point AP to perform contention access for a first traffic in a first slot, and the first traffic includes a traffic for which channel access is performed by using a priority interframe space PIFS; and the first device sends the first frame to the first AP. According to embodiments of this application, contention and a collision with another AP in a channel access process are avoided, to improve quality of service of a traffic.

Abstract: The present application presents a sequencing primer and a sequencing method. The sequencing primer comprises: a first nucleic acid segment, the first nucleic acid segment having a reactive group at the 3? end; a second nucleic acid segment; a linker, the linker being bound to the 5? end of the first nucleic acid segment and the 3? end of the second nucleic acid segment, respectively, or the linker being bound to the 5? end of the first nucleic acid segment and the 5? end of the second nucleic acid segment, respectively, and when the linker is bound to the 5? end of the first nucleic acid segment, the first nucleic acid segment having a 3? occluded end. The primer has a three-segment structure, the first and third segments binding to a target molecule, and the second segment having a linking and bridging effect, so as to span a spatial distance, such that the sequencing primer has a more stable binding ability, and the accuracy of a sequencing result is improved.

Abstract: A non-subsampled contourlet transform (NSCT)-uniform phase empirical mode decomposition (UPEMD)-polar harmonic transform (PHT) based robust zero-watermarking algorithm is provided, including the following steps: step 1: encryption on a watermark image through a Tent map; step 2: watermark embedding; step 3: watermark extraction; and step 4: decryption on the watermark image. Before embedded into a host image, the watermark image is encrypted based on the Tent map, ensuring the security of the watermark. The NSCT is performed on a host image, low-frequency information is extracted, and the UPEMD and the PHT are performed on the low-frequency information, thereby realizing the watermark embedding. This application organically combines the chaotic map algorithm and the novel watermarking technique, realizing the method of embedding a digital zero-watermark into a digital image.

Abstract: One example blood pressure measurement device includes a body, a wrist strap, an airbag, an air supply and exhaust apparatus, a first sensor, and a second sensor. The airbag has an air cavity, and the airbag is connected to the body. The body includes a cavity, and the air supply and exhaust apparatus is disposed in the cavity. The air supply and exhaust apparatus includes an air intake path and an air exhaust path, and the air supply and exhaust apparatus communicates with the air cavity of the air bag. The first sensor is configured to measure an air pressure value in the air cavity. The second sensor is located on a same side of the wrist strap as the airbag, and is configured to measure a pulse wave signal.

Abstract: A high-frequency-link micro inverter, and a signal modulation method and apparatus for a high-frequency-link micro inverter. The method is applied to the high-frequency-link micro inverter and includes: forming an intermediate signal according to a carrier signal and a modulation signal; obtaining a reference signal according to the carrier signal; and forming a drive signal according to the carrier signal, the reference signal, and the intermediate signal, where the drive signal is used for driving a primary-side full-bridge circuit and a secondary-side conversion circuit to cause the high-frequency-link micro inverter to output at least a two-phase alternating-current voltage.

Abstract: A charge port assembly for an electric vehicle (EV) includes a charging receptacle configured to accept a female charging plug. The charge port assembly also includes an electrical connector fixed to the charging receptacle and configured to be engaged by the female charging plug. The electrical connector includes an inlet pin having an electrical contact and an inlet pin cap mounted to the electrical contact. The inlet pin cap includes a wiping element configured to slidingly engage and wipe a terminal of the female charging plug, thereby blocking contaminants on the terminal from being deposited onto the electrical contact when the female charging plug engages the electrical connector. An EV having an electrical system may include such a charge port assembly mounted to the vehicle body and engaging the EV electrical system.

Abstract: Laminated vehicle glass structures included embedded piezoelectric exciters for sound generation. The piezoelectric exciters are embedded at least partially within the laminating materials and are offset relative to a centerline longitudinally extending between the opposing glass panels. Also disclosed are processes for forming the laminated glass structures. The laminated glass structures can be utilized about the vehicle anywhere sound generation is desired, e.g., passenger windows, fixed or sliding roofing systems, front windshield, rear windshield, side windows, rear quarter glasses, and the like. The piezoelectric exciters act as a diaphragm to produce sound upon vibration.

Abstract: Disclosed are a DC arc detection method based on mathematical morphology and pattern recognition. The method includes: selecting characteristic bands; extracting energy proportions, in each characteristic band, of a basic value component and/or a fluctuation component of an electrical quantity spectrum in an arc fault state and a normal working state; establishing and training an arc detection pattern recognition model; acquiring an electrical quantity of a DC power system in an operating state; extracting the energy proportion, in each characteristic band, of the basic value component or the fluctuation component in the electrical quantity spectrum in the operating state; and inputting the energy proportion in each characteristic band and working state data of the DC power system in the operating state into the arc detection pattern recognition model for determination.

Abstract: A pixel driving circuit is configured for driving a light-emitting unit to emit light. The pixel driving circuit includes a first driving transistor and a current compensation circuit. A first electrode of the first driving transistor is connected to a first power terminal, a second electrode thereof is connected to a first electrode of the light-emitting unit, and a gate electrode thereof is connected to a first node. The current compensation circuit and the first driving transistor are connected in parallel between the first power terminal and the first electrode of the light-emitting unit, and the current compensation circuit is configured to provide, in response to a control signal, a driving current to the light-emitting unit through the first power terminal.

Abstract: A dual drive gear shift assembly for a vehicle gearbox such as an automotive transfer case is depicted and described. Certain features and functions previously carried out by multiple parts in past devices are combined in single components in the dual drive gear shift assembly, furnishing a reduced quantity of overall parts and a reduction in overall weight. The dual drive gear shift assembly, per certain implementations, can include a shift cam housing, a sensor plate, a dual drive gear, and a thrust washer, among other possible components. The sensor plate and dual drive gear can be attached together, and one or more tabs of the thrust washer can be received in one or more complementary slots of the shift cam housing.

Abstract: A method for power distribution in an electricity-hydrogen hybrid energy storage system in a microgrid method includes: decomposing a current operating power of a microgrid into a to-be-smoothed power and a grid connection power; distributing the to-be-smoothed power according to a current SOC value of the electrochemical energy storage system and a current SOH value of the hydrogen energy storage system with a goal of minimizing operating costs to obtain a first optimal charge/discharge power required for controlling the electrochemical energy storage system to operate and a second optimal charge/discharge power required for controlling the hydrogen energy storage system to operate; and adjusting an SOC state of the electrochemical energy storage system according to a protection strategy determined by the to-be-smoothed power, a preset SOC operating range of the electrochemical energy storage system, and the current SOC value, while controlling an overall operating status of the microgrid.

Abstract: The present invention discloses a photosensitive resin, which includes a precursor containing active functional groups, a precursor containing thiol groups, and a light-activated catalyst. The active functional groups are selected from aldehyde groups, carbonyl groups, or hindered unsaturated double bonds. The present invention also discloses a method for closed-loop recycling and circular 3D printing of the photosensitive resin, which includes the following steps: the photosensitive resin is irradiated by the light source of a photopolymerization 3D printing device to obtain a 3D printed product; the 3D printed product to be recycled is dissolved, and after dissolution, depolymerization occurs to generate oligomers or monomers with terminal groups of thiol and active functional groups. A neutralizing reagent is then added to form the recycling system; the light-activated catalyst is reintroduced into the recycling system, and a new photosensitive resin is prepared for circular 3D printing.