Abstract: The described positional awareness techniques employing visual-inertial sensory data gathering and analysis hardware with reference to specific example implementations implement improvements in the use of sensors, techniques and hardware design that can enable specific embodiments to provide positional awareness to machines with improved speed and accuracy.

Abstract: The present disclosure provides a floating photovoltaic platform system for improving ocean adaptability, including a photovoltaic platform. A plurality of peripheral floating shells are arranged below edges of the photovoltaic platform, a central floating shell is arranged below the photovoltaic platform, and the plurality of peripheral floating shells are distributed around the central floating shell; and shells of each peripheral floating shell and the central floating shell are filled with fluid substances, any two adjacent peripheral floating shells are communicated with each other through a-communication pipes, the central floating shell is communicated with the a-communication pipes through a b-communication pipe, and the internal fluid substances can be exchanged between the plurality of peripheral floating shells and the central floating shell. The self-attitude of a floating body can be changed based on buoyancy distribution.

Abstract: A control apparatus for a conveying system includes: a control module configured to control a power converter coupled to a motor, and a modification module. The modification module is configured to: estimate a size parameter of an item conveyed by the motor, determine if a hold command is received; and if a hold command is received, modify one or more parameters of the control module based on the estimated size parameter of the item to thereby hold a rotor of the motor at a rotor hold position.

Abstract: Disclosed is an RFID label printer and a method for reading and writing an RFID label using an RFID label printer, the RFID label printer includes: a first antenna, a paper cartridge and a control module for reading and writing, the paper cartridge is used to accommodate a label roll paper, the label roll paper includes a plurality of labels having a first RFID chip, and the control module for reading and writing is configured to perform steps of reading and writing.

Abstract: A lithium-ion battery and an electric apparatus are disclosed. The lithium-ion battery includes: a positive electrode plate, a negative electrode plate, a separator, and an electrolyte. The separator is located between the positive electrode plate and the negative electrode plate. When the lithium-ion battery is charged at 1C to a state of charge of 80% SOC, a potential Panode of a negative electrode satisfies: 0.09 V (vs. Li+/Li)<Panode<0.15 V (vs. Li+/Li).

Abstract: The present disclosure discloses a processor. The processor is used to perform parallel computation and includes a logic die and a memory die. The logic die includes a plurality of processor cores and a plurality of networks on chip, wherein each processor core is programmable. The plurality of networks on chip are correspondingly connected to the plurality of processor cores, so that the plurality of processor cores form a two-dimensional mesh network. The memory die and the processor core are stacked vertically, wherein the memory die includes a plurality of memory tiles, and when the processor performs the parallel computation, the plurality of memory tiles do not have cache coherency; wherein, the plurality of memory tiles correspond to the plurality of processor cores in a one-to-one or one-to-many manner.

Abstract: Aspects of the disclosure provide a memory system. For example, the memory system can include a memory device configured to store data and one or more parity check codes. The memory system can further include a randomizer configured to generate a sequence of pseudo-randomized numbers using a randomizer seed in response to a clock signal according to a predetermined rule. The memory system can further include a codec coupled to the memory device and the randomizer. The codec can be configured to generate the one or more parity check codes according to the pseudo-randomized numbers and the data. The parity check codes are to be written to the memory device when a write operation is performed and to be used to recover at least one of the data stored in the memory device when a read operation is performed and the at least one of the data is incorrect.

Abstract: A battery cell includes a housing, an electrode assembly, and an electrolyte solution. An accommodation cavity is formed in the housing. The electrode assembly is disposed in the accommodation cavity. The electrolyte solution is disposed in the accommodation cavity. An electrolyte retention coefficient a falls within a value range of 1.4 g/Ah to 2.97 g/Ah, and a packing fraction b of the battery cell falls within a value range of 80% to 99%.

Abstract: This application describes systems and methods for facilitating memory access for graph neural network (GNN) processing. An example method includes fetching, by an access engine circuitry implemented on a circuitry board, a portion of structure data of a graph from a pinned memory in a host memory of a host via a first peripheral component interconnect express (PCIe) connection; performing node sampling using the fetched portion of the structure data of the graph to select one or more sampled nodes; fetching, by the access engine circuitry, a portion of attribute data of the graph from the pinned memory via the first PCIe connection; sending the fetched portion of the attribute data of the graph to one or more processors; and performing, by the one or more processors, GNN processing for the graph using the fetched portion of the attribute data of the graph.

Abstract: Memory controllers, memory devices, memory systems and operation methods are provided. A memory controller is to: find, in input data, a binary code to be replaced corresponding to a preset programming level to be replaced, the input data is to be written into a memory cell; and substitute the binary code to be replaced in the input data with a replacement binary code corresponding to a preset replacement programming level, and generate a replacement identifier linking a memory address corresponding to the replacement binary code. The quantity of states is reduced by modifying a data encoding mode of the memory controller to help shorten programming duration of the memory device and reduce disturbance.

Abstract: The present inventions provide covalently surface modified adeno-associated viruses can comprise genes of interest (GOIs) and advantageously can be targeted to certain cell and tissue types for preventative and therapeutic purposes. The covalently surface modified adeno-associated viruses also can be mutated to detarget certain tissues and organs, such as the liver. The present inventions further provide systems and methods for engineering adeno-associated virus (AAV) to create covalently surface modified adeno-associated viruses, and methods of purifying such covalently surface modified adeno-associated viruses. The inventions further include covalently surface modified adeno-associated viruses and preparations and products comprising such covalently surface modified adeno-associated viruses.

Abstract: A built-in range-finding infrared camera lens is provided, including a lens barrel, an infrared lens, a laser transceiver and a laser lens. An outer edge of the infrared lens has a notch. The infrared lens and the laser lens are both fixedly mounted at a front end of the lens barrel, and the laser lens is embedded in the notch. The laser transceiver is fixedly mounted at a rear end of the lens barrel. A laser ranging optical axis corresponding to the laser lens is parallel to an infrared optical axis corresponding to the infrared lens. In this way, the infrared lens, the laser lens and the laser transceiver are all fixedly mounted in the lens barrel, and are connected into a whole through the lens barrel without the needs of additional adapter components or other mounting procedures.

Abstract: The described positional awareness techniques employing sensory data gathering and analysis hardware with reference to specific example implementations implement improvements in the use of sensors, techniques and hardware design that can enable specific embodiments to provide positional awareness to machines with improved speed and accuracy. The sensory data are gathered from an operational camera and one or more auxiliary sensors.

Abstract: The present disclosure discloses an application development platform and method, a device, and a storage medium. The platform includes: a program development module, configured to display a page editing interface; and generate a page program according to a user's operation on the page editing interface, where the operation includes generating a page layout using materials and components, and configuring page information for the page layout; a mid-end configuration module, configured to configure an application mid-end for the page program; and an application module, configured to integrate the page program and the application mid-end to obtain an application program.

Abstract: A computer stylus may have a shaft with a metal tube and a cap slidable between open and closed positions. A connector port may be exposed in the open position and hidden in the closed position. An antenna element may be formed from conductive traces on a printed circuit board in the shaft and aligned with a window in the metal tube. The cap may include a metal hook extending from a conductive wall into the shaft. The hook may overlap the antenna element in the closed position. The shaft may include a dielectric bumper in an opening of the hook. The hook and wall may slide relative to the shaft along the dielectric bumper. The cap may include a metal sleeve around the port. The cap may include a conductive bumper on the wall. The conductive bumper may contact the sleeve when the cap is in the closed position.

Abstract: The present inventions provide covalently surface modified adeno-associated viruses can comprise gene of interest (GOIs) and advantageously can be targeted to certain cell and tissue types for preventative and therapeutic purposes. The present inventions further provide systems and methods for engineering adeno-associated virus (AAV) to create covalently surface modified adeno-associated viruses, and methods of purifying such covalently surface modified adeno-associated viruses. The inventions further include covalently surface modified adeno-associated viruses and preparations and products comprising such covalently surface modified adeno-associated viruses.

Abstract: A DC-DC converter assembly includes a DC-DC power converter. A converter load is electrically connected between a positive input and a positive output (or negative input and negative output) of the DC-DC converter such that a DC input voltage source of the assembly supplies load power directly to the converter load without passing through the DC-DC power converter.