Abstract: A vehicle positioning method and system based on multi-data fusion, and a vehicle terminal. The method includes the following steps: calculating three vehicle body change angles through a wheel speed pulse signal, a steering wheel signal, and an inertial measurement unit; performing data fusion on the second vehicle body change angle and the third vehicle body change angle to obtain a fused change angle; performing, when data of the first vehicle body change angle is refreshed, filtering correction on the fused change angle through the first vehicle body change angle to obtain a filtering coefficient, and calculating a current vehicle body angle according to a vehicle body angle of a previous moment; and calculating a current vehicle body position of a vehicle according to a vehicle body position of the previous moment, the vehicle body angle of a current moment, and a vehicle driving distance.

Abstract: A mobile vehicle includes a controller, the controller executing program instructions to implement operations including moving the mobile vehicle from an exterior of a target to an interior of the target in response to determining that the mobile vehicle is separated from a second mobile vehicle; driving a transportation component of the mobile vehicle to receive a first cargo from the second mobile vehicle, wherein the second mobile vehicle is located at an exterior of the target; and moving the mobile vehicle away from the interior of the target so that the first cargo is placed in the interior of the target.

Abstract: An authorization method for network satellite coverage data includes: sending a registration request to an access and mobility management function, AMF, in which the registration request includes satellite coverage data request information from the UE; and receiving a registration accept response sent by the AMF, in which the registration accept response includes authorization data, and the authorization data includes a first temporary identifier, ID, assigned by a server to the UE.

Abstract: A manned mower includes an operating mechanism. The operating mechanism includes a first operating lever and a second operating lever. The first operating lever and the second operating lever are operable to control a first drive wheel and a second drive wheel, respectively. Each of the first operating lever and the second operating lever is provided with a handle portion. The operating mechanism further includes a display assembly and an operating assembly. The display assembly is at least disposed on the handle portion of the first operating lever and is configured to display at least the operation state of the manned mower. The operating assembly is operated to enable a controller to receive an operation instruction from a user. The operating assembly is at least disposed on the first operating lever or the second operating lever.

Abstract: Provided is a system for engineering geomechanical experimental testing of a reservoir rock mass, including a stress control unit, a temperature control unit and a rock sample holder. The stress control unit includes a rigid pressure-applying mechanism and a flexible pressure-applying mechanism. The rigid pressure-applying mechanism is configured to apply rigid pressure to a rock mass via an indenter and a pressing piece. The flexible pressure-applying mechanism is configured to apply flexible pressure to the rock mass by using a pressure medium. Rigid pressure application and flexible pressure application are integrated to simulate a stress status under an actual geological condition better, and uniformity of pressure application is also ensured. The temperature control unit is configured to control a temperature of the rock mass via a heating mechanism and a cooling mechanism. A method for engineering geomechanical experimental testing of a reservoir rock mass is further provided.

Abstract: The technology of this application relates to a high electron mobility transistor including a GaN substrate layer, a barrier layer, a circuit layer, and a field plate that are sequentially stacked. The GaN substrate layer includes a main body layer and a channel layer that are stacked, the channel layer is adjacent to the barrier layer, the circuit layer includes a source, a drain, and a dielectric layer, the dielectric layer is disposed between the source and the drain, the field plate is disposed on a side that is of the dielectric layer and that is away from the barrier layer, an orthographic projection of the field plate on the channel layer is a field plate projection, the channel layer includes a modulation region and a non-modulation region, the non-modulation region surrounds the modulation region, the modulation region and the field plate projection at least partially overlap.

Abstract: An information processing method includes: receiving an application layer identifier sent by a user equipment (UE) after completing initial registration, in which the application layer identifier is used to establish a mapping relationship with a subscriber permanent identifier (SUPI) of the UE.

Abstract: A method for controlling an automated guided vehicle (AGV) includes: determining an environment graph of the AGV by preprocessing an AGV scene map; in response to the environment graph of the AGV not satisfying a first preset condition, performing at least one environmental adjustment, wherein each environmental adjustment includes: determining an adjustment of the environment graph by performing a path planning for the AGV, wherein a portion of constraints of the environment graph is ignored in the path planning, performing a troubleshooting operation by controlling a transport system based on the adjustment of the environment graph, and updating the environment graph based on a result of the troubleshooting operation; and in response to the environment graph satisfying the first preset condition, determining a driving path of the AGV, and controlling the AGV to drive along the driving path.

Abstract: Disclosed are a system and methods for producing lithium hydroxide directly from natural brine by an electrochemical approach. In one example version of the system, an electrochemical cell operates in two states. In one state, lithium cations (Li+) intercalate into a first electrode from the brine, and sodium cations (Na+) deintercalate from a second electrode into the brine. In another state, lithium cations deintercalate from the first electrode into a dilute lithium hydroxide (LiOH) solution, and sodium cations intercalate to the second electrode from a concentrated sodium hydroxide (NaOH) solution. Hydroxide anions (OH?) transport through an anion exchange membrane to combine with lithium cations (Li+) to form LiOH, continuously increasing its concentration.

Abstract: A multi-path transmission method includes: acquiring a security policy for a first service, in which, the security policy for the first service is configured for multi-path transmission of the first service, the multi-path transmission of the first service includes a first path for communication between the first UE and a base station, and a second path for communication between the first UE and the base station via a second UE; and performing the multi-path transmission of the first service according to the security policy for the first service.

Abstract: A method for establishing a connection, performed by a home edge configuration server (H-ECS), includes: determining authorization information of a visited edge configuration server (V-ECS), and a target V-ECS; performing mutual identity authentication with the target V-ECS; in response to success of the mutual identity authentication, determining whether the target V-ECS is allowed to establish a connection with the H-ECS based on identity information authenticated and the authorization information of the V-ECS; and in response to the target V-ECS being allowed to establish the connection with the H-ECS, establishing a connection with the target V-ECS.

Abstract: This disclosure relates to systems, methods, and techniques for estimating battery parameters using a battery analysis system. In certain embodiments, the system receives current data for a battery cell, preprocesses the data to reduce frequency and amplitude, and executes a shallow estimation function using a reduced-order electrochemical model to estimate battery parameters based on the preprocessed data. In some embodiments, a deep estimation function, which utilizes a full-order electrochemical model, may be utilized to further refine the battery parameter estimates if higher accuracy is desired. Other embodiments are disclosed herein as well.

Abstract: Third party applications are deployed as “containerized applications” on one or more wireless AP devices. The containerized applications are confined to a pre-allocated segregated disk space within a file system of a wireless AP device. The containerized applications have access to standard Linux services as well as access to advanced features provided by an AP.

Abstract: A method for authorizing a role of a user equipment (UE) is performed by a network device, and includes: receiving a discovery request message sent by a first UE or a second UE, wherein the discovery request message includes at least one of a ranging application user identifier (RAUID), a service identifier, or a capability of the first UE or the second UE, wherein the capability of the first UE or the second UE indicates a role of the first UE or the second UE or indicates a role supported by the first UE or the second UE; and sending a discovery response message to the first UE or the second UE.

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: A method for establishing a direct link, including: transmitting a first message to third UE via second UE, where the first message is configured to request establishment of an end-to-end link, which is via the second UE, between the first UE and the third UE, and the second UE is a layer-2 relay UE; receiving a second message transmitted by the third UE via the second UE, where the second message is configured to request negotiation, of an end-to-end shared key shared by the first UE and the third UE, with the first UE; generating the end-to-end shared key by performing a security negotiation procedure with the third UE via the second UE; and receiving a third message transmitted by the third UE via the second UE, where the third message indicates completion of establishment of the end-to-end link.

Abstract: A system and method for securely transmitting and verifying system information in a non-terrestrial network (NTN) is disclosed. An NTN access network node digitally signs a system information block (SIB), which includes satellite coverage information, using a private key, and transmits the signed SIB to a terminal. The terminal verifies the digital signature using a corresponding public key to ensure the authenticity and integrity of the received SIB. The public key or a certificate containing the public key may be preconfigured in the terminal or provided by a core network device during an initial registration procedure. Based on the verification outcome, the terminal may adapt its state according to the satellite coverage information. The core network device facilitates the distribution of the public key or certificate to terminals supporting NTN access.

Abstract: A method for generating a direct communication key, performed by a first user equipment (UE), includes: sending a direct communication request to a second UE, wherein the direct communication request is used for requesting to establish a sidelink (SL) between the first UE and the second UE for an SL positioning service and includes first key related information used for the second UE to obtain a direct communication intermediate key and second key related information from a first positioning key management function (PKMF) of the first UE; receiving the second key related information sent by the second UE; and generating the direct communication intermediate key according to the first key and second key related information; wherein the direct communication intermediate key is generated for at least one of integrity protection or encryption protection of information transmitted between the first UE and the second UE through the SL.

Abstract: A method for authorizing an application function, performed by a first network device, includes: receiving a first request sent by a second network device, the first request being used to request to authorize the second network device to configure a personal IoT network (PIN); obtaining an authorization profile updated by a terminal; and determining whether to authorize the first request based on the authorization profile.

Abstract: The present disclosure provides a method for locating a target. The target includes at least three reflection regions. The at least three reflection regions include at least two first reflection regions distributed at intervals and at least one second reflection region. The method comprises: obtaining first point cloud data generated by scanning the target by a laser scanning device; determining, based on reflection intensities of a plurality of first data points, point clouds of at least three first target reflection regions of the at least three reflection regions from the first point cloud data; determining, based on the point clouds of the at least three first target reflection regions, a laser reflection angle of each of the at least three first target reflection regions; and determining, based on the laser reflection angle of each of the at least three first target reflection regions, first location information of the target.