Abstract: A resonance conversion device and a universal serial bus circuit are provided. The resonance conversion device includes an input filter circuit, a full-bridge LLC converter circuit, a transformer circuit, a rectifier filter circuit, and a controller. The controller is configured to determine whether an indication voltage of a voltage command is less than or equal to a threshold value and to perform the following steps: in response to the indication voltage being less than or equal to the threshold value, controlling the full-bridge LLC converter circuit into a half-bridge operation mode, and regulating the DC output voltage by performing half-bridge burst mode control on the full-bridge LLC converter circuit based on the DC output voltage; and in response to the indication voltage being greater than the threshold value, regulating the DC output voltage by performing full-bridge burst mode control on the full-bridge LLC converter circuit based on the DC output voltage.

Abstract: A method for beam therapy is provided. The method includes receiving first data indicating a plurality of target volumes within a target region inside a subject for particle beam therapy relative to a particle beam outlet on a gantry for directing a particle beam from a particle beam source. The method further includes moving automatically, one or more energy modulator components to reduce an energy of the particle beam and deliver the particle beam to the target region such that a Bragg Peak is delivered to at least one target volume of the plurality of target volumes. The method further includes repeating the moving automatically as the particle beam source rotates with the gantry around the subject, without changing the energy of the particle beam at the particle beam outlet, until every target volume is subjected to a Bragg Peak.

Abstract: A method for determining an initial rotor position of a permanent magnet synchronous motor (PMSM) includes: generating a plurality of transient currents by applying a plurality of voltages to each phase stator winding of a three phase stator winding of the PMSM; generating three phase current differences according to the plurality of transient currents; determining a first zone in which the initial rotor position of the PMSM is located according to the three phase current differences, wherein angles between 0-360 degrees are divided into a plurality of zones, and the first zone is selected from the plurality of zones; calculating three line current differences according to the three phase current differences; and determining the initial rotor position of the PMSM according to the first zone and the three line current differences.

Abstract: Systems and methods for detecting demographic bias in automatic speech recognition (ASR) systems. Corpuses of transcriptions from different demographic groups are analyzed, where one of the groups is known to be susceptible to bias and another group is known not to be susceptible to bias. ASR accuracy for each group is measured and compared to each other using both statistics-based and practicality-based methodologies to determine whether a given ASR system or model exhibits a meaningful level of bias.

Abstract: A printed circuit board of a planar transformer includes a first column hole, a second column hole, and a plurality of winding layers. At least one of the winding layers includes a first winding and a second winding connected in series. The first winding surrounds the first column hole and has a first opening direction. The second winding surrounds the second column hole and has a second opening direction. The first opening direction is different from the second opening direction. Consequently, the windings on the plurality of layers may be connected in series through conductive holes of the PCB to increase the number of winding turns.

Abstract: Provided is an object recognition device for performing object recognition on a field of view (FoV). The object recognition device includes a light detection and ranging (LiDAR) data acquisition module configured to acquire data for the FoV from a sensor configured to project the FoV with a laser and receive reflected light, and a control module configured to perform object recognition on an object of interest in the FoV using an artificial neural network, wherein the control module includes a region of interest extraction module configured to acquire region of interest data based on acquired intensity data for the FoV, and an object recognition module configured to acquire object recognition data using an artificial neural network, and recognize the object of interest for the FoV.

Abstract: An exhaust pipe includes a first end, a second end, and a wall connecting the first end to the second end. The first end has a first opening, and the second end has a second opening that fluidly communicates with the first opening to define a bore. The wall includes an inner curved second and an outer curved section that includes an indentation. The indentation includes a first inwardly extending part and a second inwardly extending part. The second inwardly extending part includes a through hole having an inner opening and an outer opening. The inner opening is located between the outer opening and the second opening. A diameter of the outer opening is less than a diameter of the inner opening. A thickness of the second inwardly extending part is less than the diameter of the outer opening.

Abstract: A method for determining zero crossing occurrence in an alternating current (AC) signal with constant frequency of a permanent magnet synchronous motor (PMSM) includes: sampling the AC signal to obtain a plurality of data points; starting to count a number of consecutive data points that have sampled values with a same sign in a detection range, to generate a count value, wherein the consecutive data points are included in the plurality of data points; determining whether the count value is equal to a zero crossing determination value; and in response to the count value being equal to the zero crossing determination value, determining that a zero crossing occurs at a last data point of the consecutive data points.

Abstract: An exhaust system for an internal combustion engine includes an exhaust pipe, and a vane mixer attached to an upstream pipe end of the exhaust pipe and including a fluid injector mount, and a fluid injection side port in the injector mount and fluidly connected to an exhaust passage in the vane mixer. The vane mixer further includes a vane extending across the exhaust passage and dividing the exhaust passage into a major flow area and a minor flow area. The minor flow area is in overlapping angular alignment, circumferentially around a longitudinal exhaust passage axis, with the fluid injection side port.

Abstract: The present specification discloses an image diagnosis apparatus using a deep learning model and a method therefor, wherein tissue included in an input medical image is classified as being one of normal and abnormal for a disease by using the trained deep learning model using a weighted loss function in which different weights are assigned to a probability distribution of determining that a picture extracted from the input medical image is abnormal even though it is normal and a probability distribution of determining that the picture is normal even though it is abnormal.

Abstract: An exhaust pipe includes a first end, a second end, and a wall connecting the first end to the second end. The first end has a first opening, and the second end has a second opening that fluidly communicates with the first opening to define a bore. The wall includes an inner curved second and an outer curved section that includes an indentation. The indentation includes a first inwardly extending part and a second inwardly extending part. The second inwardly extending part includes a through hole having an inner opening and an outer opening. The inner opening is located between the outer opening and the second opening. A diameter of the outer opening is less than a diameter of the inner opening. A thickness of the second inwardly extending part is less than the diameter of the outer opening.

Abstract: A LiDAR device including a emitting unit configured to emit a laser, a detecting unit configured to detect the laser, and a controller configured to control the emitting unit and the detecting unit, wherein the controller is configured to operate the LiDAR device at in at least a first operation mode or a second operation mode in which power consumption per unit time is lower than that of the first operation mode, and wherein the controller is configured to switch an operation mode of the LiDAR device from the first operation mode to the second operation mode when the controller receives a first trigger signal from a first device, and switch the operation mode of the LiDAR device from the second operation mode to the first operation mode when the controller receives a second trigger signal from the first device.

Abstract: a LiDAR device including a laser emitting unit configured to emit laser, a laser detecting unit configured to detect laser emitted from the laser emitting unit and a controller configured to operate the LiDAR device in a first operation mode and a second operation mode in which a power consumption per unit time is lower than a power consumption per unit time of the first operation mode.

Abstract: An exhaust system for an internal combustion engine includes an exhaust pipe, and a vane mixer attached to an upstream pipe end of the exhaust pipe and including a fluid injector mount, and a fluid injection side port in the injector mount and fluidly connected to an exhaust passage in the vane mixer. The vane mixer further includes a vane extending across the exhaust passage and dividing the exhaust passage into a major flow area and a minor flow area. The minor flow area is in overlapping angular alignment, circumferentially around a longitudinal exhaust passage axis, with the fluid injection side port.

Abstract: A planar winding transformer includes a magnetic core set and a multilayer circuit board. The magnetic core set includes two magnetic cores and two magnetic columns. The two magnetic cores are parallel to each other. The multilayer circuit board is disposed between two magnetic cores, and two magnetic columns penetrate through the multilayer circuit board. The multilayer circuit board includes two low voltage winding layers and one high voltage winding layer. Two low voltage winding layers are connected to each other in parallel, and the high voltage winding layer is disposed between two low voltage winding layers. When the high voltage winding layer receives a polarity current, at least one of the low voltage winding layers generates a corresponding induced current. Two magnetic cores and two magnetic columns form a closed path for magnetic flux.

Abstract: Provided is a system for operating review-and-make-money platform (RAMM) including a review posting unit configured to receive a reviewer review, provide the received reviewer review to a consumer terminal, and display the reviewer review on a review article posting screen of the consumer terminal, a review evaluation unit configured to collect and index a consumer evaluation for the displayed review and manage a review satisfaction and a reviewer reliability index, and a priority adjustment unit configured to determine exposure ranking for each review article based on at least one of the review satisfaction and the reviewer reliability index managed by the review evaluation unit.

Abstract: A mobile communication device is provided. The mobile communication device is operable to communicate with a wireless audio earphone including a first audio earpiece and a second audio earpiece.

Abstract: A transformer includes a magnetic core set and 2N pairs of windings. The magnetic core set includes a first magnetic core, a second magnetic core, a first magnetic column, and a second magnetic column. Each of the pairs of windings includes a high-voltage side winding and a low-voltage side winding. Each of the pairs of the windings surrounds one of the first and the second magnetic columns. The surrounding direction of the high-voltage side windings surrounding the firs magnetic core is opposite to the surrounding direction of the high-voltage side windings surrounding the second magnetic core.

Abstract: A fabricating method of transistors includes providing a substrate with numerous transistors thereon. Each of the transistors includes a gate structure. A gap is disposed between gate structures adjacent to each other. Later, a protective layer and a first dielectric layer are formed in sequence to cover the substrate and the transistors and to fill in the gap. Next, numerous buffering particles are formed to contact the first dielectric layer. The buffering particles do not contact each other. Subsequently, a second dielectric layer is formed to cover the buffering particles. After that, a first planarization process is performed to remove part of the first dielectric layer, part of the second dielectric layer and buffering particles by taking the protective layer as a stop layer, wherein a removing rate of the second dielectric layer is greater than a removing rate of the buffering particles during the first planarization process.

Abstract: This disclosure relates generally to cutting wild ginseng in small pieces and placing them inside the honey. Overtime all the nutrition from the wild ginseng will be soaked into the honey. As Longer its inside, it will be more effective. Later we can eat it directly or make tea with honey.