Abstract: A fully automated towing, alignment and hangar system suitable for an offshore operation helicopter includes a quick mooring device, a wide-angle camera installed on a rear wall of the quick mooring device, a longitudinal towing device, a DSP control unit, an MCU control unit, a helicopter and a mooring bar thereof. An alignment method based on above system includes following steps of acquiring an attitude image of a steering wheel, calculating a helicopter yaw angle and a steering wheel deflection angle, calculating position coordinates of the steering wheel, a first wheel and a second wheel in a deck coordinate system, judging boundaries relative to a towing indication line, extracting an optimal path suitable for the movement of the helicopter, calculating lateral and longitudinal movement position control commands, driving the movement of the helicopter, and repeating the above operations until the automated towing, alignment and hangar are completed.

Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.

Abstract: The present invention relates to the field of medical biology, and discloses a single domain antibody and derivative proteins thereof against CTLA4. In particular, the present invention discloses a CTLA4 binding protein and the use thereof, especially the use for treating and/or preventing CTLA4 relevant diseases such as tumor.

Abstract: The present application relates to the technical field of circuit board fabricating, and provides a method for fabricating an asymmetric board, the method includes fabricating a master board, fabricating a second sub-board, thermal compression bonding the master board and the second sub-board, and milling an asymmetric board; further includes at least one of the following three steps: laying copper on the connection areas of the master board except for the second copper layer of an outermost layer to obtain laying copper area, removing copper on the connection areas of the third copper layer, and after the step of milling the asymmetric board, on each of the sub-boards, performing depth control milling at the connection areas from a side of the second sub-board on each sub-board to obtain a depth control groove.

Abstract: An interaction processing method and apparatus for an information flow includes displaying the information flow in an information flow region. The interaction region is inserted into the information flow and an interaction material corresponding to the interaction region is displayed in a search region. In response to an interaction operation for the interaction region, an interaction process based on the interaction material in the interaction region is displayed.

Abstract: The disclosure relates to technology for up-evicting cache lines. An apparatus comprises a hierarchy of caches comprising a first cache having a first cache controller and a second cache having a second cache controller. The first cache controller is configured to store cache lines evicted from a first processor group to the first cache and to down-evict cache lines from the first cache to the second cache. The second cache controller is configured to store cache lines evicted from a second processor group into the second cache, to up-evict a first cache line from the second cache to the first cache in response to an eviction of a second cache line from the second processor group to the second cache, and to provide the up-evicted first cache line from the first cache to the second processor group in response to a request from the second processor group.

Abstract: An electronic assembly and methods of making the assembly are disclosed. The electronic assembly includes a substrate with an elastic member having an intrinsic stress profile. The elastic member has an anchor portion on the surface of the substrate; and a free end biased away from the substrate via the intrinsic stress profile to form an out of plane structure. The substrate includes one or more spacers on the substrate. The electronic assembly includes a chip comprising contact pads. The out of plane structure on the substrate touches corresponding contact pads on the chip, and the spacers on the substrate touch the chip forming a gap between the substrate and the chip.

Abstract: Systems, apparatuses, and methods to establish a mapping between message identifications for messages transmitted on a communication bus and electronic control units transmitting the messages is provided. In particular, retransmission of a low priority message onto the bus is forced such that the retransmitted low priority message overlaps with a higher priority message to determine whether the messages originated from the same ECU.

Abstract: A method and apparatus for driving a tiled display, a server, and a storage medium are provided. The spliced display comprises a first sub-display screen and a second sub-display screen, wherein a filling screen is arranged between the first sub-display screen and the second sub-display screen. By the method, the pictures on the sub-display screens are displayed on the filling screen, and images do not need to be spliced after being displayed on the filling screen and the sub-display screens, so as to improve the accuracy of the images at the filling screen and avoid image dislocation.

Abstract: The present application provides a splicing display, a driving method, and a splicing display device. The splicing display includes first sub-display panels and second sub-display panels. A size and a number of the first sub-display panels are respectively same as a size and a number of the second sub-display panels in horizontal or vertical directions. The first sub-display panel and the second sub-display panel are misaligned by N rows/columns of sub-pixels in the horizontal or vertical directions. Misaligning N rows/columns of the sub-pixels can increase an accuracy of the splicing display, and splicing positions can be prevented from problems of misalignment and blurring.

Abstract: The present invention provides an overvoltage compensation method and device, a display panel, and a storage medium. The method comprises: determining a corresponding compensation voltage value according to grayscale values of two adjacent pixels in the same column in the same frame or grayscale values of the same pixel in two adjacent frames, and a overvoltage compensation table, wherein the overvoltage compensation table has a first grayscale value group and a second grayscale value group that both contain all integers in [0,2k), the integer includes a plurality of binding point values, and a difference between two adjacent binding point values of the first four binding point values is not greater than 2k?8 wherein k is an integer greater than 8; transmitting the compensation voltage value to the display panel to make the pixel present the second grayscale value.

Abstract: A multi-sensor data fusion-based self-powered online monitoring system for a transmission line includes a plurality of detection nodes, an optical communication receiving and demodulation module, and a data processing module. The detection nodes each include a vibration energy harvesting module, a sensing module, and an optical communication modulation and transmitting module. The detection node uses a triboelectric nanogenerator (TENG) to convert and harvest energy, uses the sensing module to acquire a plurality of types of sensing data, and uses the optical communication modulation and transmitting module to modulate and transmit the sensing data. The optical communication receiving and demodulation module correspondingly receives and demodulates the sensing data, and transmits the sensing data to the data processing module for processing.

Abstract: An anti-biofouling shape-memory composite aerogel includes a unidirectional chitosan aerogel channel, a plant polyphenol coating, and a polyphenol/iron ion chelate. The plant polyphenol coating is evenly distributed on an inner wall of the unidirectional chitosan aerogel channel, and the polyphenol/iron ion chelate is located at a top end of the unidirectional chitosan aerogel channel. The anti-biofouling chitosan-based composite aerogel has an evaporation rate of 1.96 kg·m?2·h?1 at an illumination intensity of 1 kW/m2. The composite aerogel has shape-memory properties, and can quickly restore its original shape in water after extrusion, thereby accelerating the diffusion of substances to complete the modification of inner channels. In this way, desirable anti-biofouling ability is achieved, and excellent structural stability as well as continuous and efficient photothermal water evaporation are guaranteed in a complex water environment.

Abstract: A splice screen driving method, a splice screen driving device, an electronic device, and computer-readable medium are provided. According to a size of a filling screen in a splice screen, an initial video signal is expanded to obtain a first video signal that drives the filling screen. The second video signal corresponding to the filling screen in the first video signal is sharpened and filtered to improve a clarity of a picture at a connection of a sub-display and the filling screen, to solve a problem of picture blur.

Abstract: The invention discloses a microcrack-based strain sensing element and a preparation method and use thereof. The microcrack-based strain sensing element includes a substrate layer, a metal film, a protective layer, an output electrode, and a packaging layer. The metal film is arranged on the substrate layer. The metal film is formed by deposition of two metal materials. The metal film is provided with a patterned crack structure. The protective layer is arranged on the metal film. The output electrode is connected to the metal film for outputting an electrical signal. The packaging layer is arranged on the protective layer. Compared with existing crack preparation technologies, the preparation method of the microcrack-based strain sensing element of the invention has higher-precision crack controllability, does not affect the service life of cracks, and achieves more optimized actual operation.

Abstract: Various examples relate to an apparatus, device, method, and computer program for determining an integrity of a generated cryptographic signature. The apparatus is to generate, before generating the cryptographic signature, redundancy information of at least one cryptographic secret being used for generating the cryptographic signature, generate the cryptographic signature using the at least one cryptographic secret, compare, after generating the cryptographic signature, the redundancy information and the at least one cryptographic secret to determine whether the redundancy information matches the at least one cryptographic secret, and use the cryptographic signature if the redundancy information matches the at least one cryptographic secret.

Abstract: Systems, apparatuses, and methods to establish ground truth for an intrusion detection system using machine learning models to identify an electronic control unit transmitting a message on a communication bus, such as an in-vehicle network bus, are provided. Voltage signatures for overlapping message identification (MID) numbers are collapsed and trained on a single ECU label.