Abstract: An instrument to facilitate hands-free illumination of an eye for a surgical procedure. The instrument includes an optical end of unique architecture and surfacing such that the instrument may be left immobile while sufficiently illuminating an eye interior with greater than 100° of wide beam spread angle provided. Further, the grind surfacing provided to the end cone of the optical end provides enhanced light distribution.

Abstract: A thermal management method includes obtaining a predicted temperature including a predicted value of an operating temperature of a target device, and controlling the target device to switch a thermal management according to the predicted temperature mode. The thermal management mode is used to adjust the operating temperature of the target device.

Abstract: A method for data stream prioritization by a session controller is described. Usage data associated with a video communication session is received for one or more client devices of the video communication session. The usage data is based on content within data streams of the video communication session. A first client device of the one or more client devices is identified as having a higher priority level during the video communication session based on the usage data. Instructions are sent to the first client device during the video communication session causing the first client device to improve a quality of a first data stream generated by the first client device for the video communication session.

Abstract: Systems, methods, and other embodiments described herein relate to improving vehicle behavior planning to avoid undertaking maneuvers. In one embodiment, a method includes generating a driving context from sensor data about a surrounding environment of an ego vehicle. The driving context identifying lanes of a roadway and a position of the ego vehicle in the lanes. The method includes, in response to determining that the driving context and a state of a nearby vehicle satisfy a merge threshold, generating a trajectory for the ego vehicle that avoids undertaking the nearby vehicle. The method includes controlling the ego vehicle according to the trajectory.

Abstract: Identifying, by a sender and for each frame i of a plurality of frames of a video stream, a partition of a set of video data symbols D[i] into a first set of video data symbols U[i] and a second set of video data symbols V[i]. Generating, by the sender and for each frame i, a set of one or more streaming forward error correction (FEC) code parity symbols Px[i] based on the symbols: V[i??] through V[i?1], U[i??], and the symbols D[i], wherein ? is a function of a maximum tolerable latency of the video stream expressed as a whole number of frames. Encoding, by the sender and for each frame i, packets carrying the symbols D[i], and P[i]. Transmitting, by the sender, each frame i of encoded packets in frame order to one or more receivers.

Abstract: Embodiments of the present application provides a charging method and a power conversion equipment, which can effectively ensure a normal charging of a traction battery. The charging method is used for charging the traction battery, the method includes: obtaining, by a power conversion equipment, a battery state parameter of the traction battery; sending, by the power conversion equipment, a charging information to a charging pile, the charging information includes a direct current charging parameter calculated from a pulse charging parameter; receiving, by the power conversion equipment, a direct current output by the charging pile, on the basis of the direct current charging parameter; converting, by the power conversion equipment, the direct current into a pulse current on the basis of the pulse charging parameter, the pulse current is used for charging the traction battery; where, the battery state parameter is used for determining the pulse charging parameter.

Abstract: Embodiments of the present application provide a charging method, a battery management system for a traction battery and a charging pile, which can effectively ensure normal charging of an electric vehicle. The charging method is used for charging a traction battery, and the method includes: determining, by the battery management system (BMS) of the traction battery, a pulse charging demand parameter according to a battery state parameter of the traction battery; and sending a pulse charging information to a charging pile by the BMS, the pulse charging information including the pulse charging demand parameter for indicating the charging pile to output a pulse current for charging the traction battery.

Abstract: A method for communication session management by a session controller is described. Usage data associated with a video communication session is received for data stream handlers of a first network topology, which handle data streams of the video communication session at a first time. The first network topology includes a plurality of client devices and at least a first media server. A second network topology is determined based on the usage data to handle the data streams when a network parameter and/or an application parameter reaches a corresponding update threshold. Data stream handlers of the second network topology include at least a second media server. The data stream handlers of the second network topology are configured to handle the data streams at a second time, including instructing the first media server to offload at least some of the data streams to the second media server.

Abstract: Embodiments of the present application provide a server of a battery swapping station, a charging method and system for a battery, a device and a medium. The method is applied to a server of a battery swapping station, and the method includes: acquiring version information of a first software version after a vehicle mounted with a power battery arrives at the battery swapping station, wherein the first software version is a software version of a first battery management unit of the power battery; controlling, under a condition that the version information of the first software version is lower than version information of a second software version stored in the server, a second battery management unit of the battery swapping station to update the first software version of the first battery management unit to the second software version.

Abstract: Battery swapping methods, apparatus, systems, devices and media are provided in the embodiments of the present disclosure. The method includes: receiving a battery swapping request of a vehicle; determining a second battery swapping time and a second swapping electricity amount based on a first battery swapping time and a first swapping electricity amount, in a case where a first charging parameter is adjusted to a second charging parameter to charge an available battery of a battery swapping station; and sending a battery swapping response to a terminal device of the vehicle, wherein the battery swapping response includes the second battery swapping time and the second swapping electricity amount, the second battery swapping time is a recommended battery swapping time provided by the battery swapping station, and the second swapping electricity amount is a recommended swapping electricity amount provided by the battery swapping station.

Abstract: Embodiments of the present application provide a vehicle control method, module, and system, a device and a medium. The method includes: acquiring, under a condition that it is determined to install a target battery provided by a battery swapping station for the vehicle, a network address of a first battery management unit of the target battery; requesting to establish a wireless communication connection between a control module and the first battery management unit, based on the network address of the first battery management unit of the target battery; transmitting, under a condition that the wireless communication connection between the control module and the first battery management unit is successfully established, a first prompt signal to a target object, where the first prompt signal is used to prompt the target object to perform a relevant operation for allowing the vehicle to leave a battery swapping area.

Abstract: The embodiments of the present application provide a method, apparatus, device, and medium for electric energy transmission. The method includes: determining a resource value of a unit of electric energy of a grid at a target time; under a condition that the resource value is greater than or equal to a first resource threshold, determining a number of available batteries in a battery swapping station and an ordered number of batteries in the battery swapping station within a target time period; and under a condition that the number of available batteries is greater than a number of reserved batteries, controlling a charging and discharging module to transmit electric energy of a first battery in the battery swapping station to the grid.

Abstract: Embodiments of the present application provide a battery swapping method, module, device and medium. The method includes: acquiring a first image captured for a vehicle within a battery swapping area, and acquiring a first location of a battery on the vehicle; determining a second location of the vehicle in the battery swapping area according to the first image; determining, according to the first location and the second location, a target location of the battery in the battery swapping area to control a battery swapping device to move to the target location for battery swapping. According to the embodiments of the present application, battery swapping can be completed in a case where a user parks the vehicle randomly in the battery swapping area. Thus, convenience of the battery swapping process is improved.

Abstract: The present application relates to a method for heating a battery pack, where the battery pack is connected to an inductive load via a converter and the method includes: controlling on and off of a switch module in the converter upon receiving a heating request, so as to control discharging and charging between the battery pack and the inductive load, connecting the battery pack and an auxiliary heating mechanism in parallel during a discharging stage of the battery pack; and disconnecting the auxiliary heating mechanism from the battery pack during a charging stage of the battery pack. The present application further relates to a battery heating system and an electric apparatus.

Abstract: The present application provides techniques of generating augmented reality resources and corresponding trigger markers. The techniques comprise generating and storing at least one augmented reality resource corresponding to at least one predetermined object; determining that at least one target object comprised in an object order, wherein the at least one target object is among the at least one predetermined object; determining at least one storage address of at least one augmented reality resource corresponding to the at least one target object; and generating, based at least in part on the at least one storage address, a trigger marker corresponding to the object order, wherein the trigger marker is configured to indicate for a client computing device to present at least one augmented reality image of the at least one target object based on the trigger marker.

Abstract: Embodiments of the present application provide a charging/discharging apparatus, a method for charging a battery and a charging/discharging system, the charging-and-discharging apparatus including a bidirectional AC/DC converter, a first DC/DC converter, and a control unit, where the first DC/DC converter is a bidirectional DC/DC converter; and where the control unit is configured to: receive a first charging current sent by a BMS of a battery, control the bidirectional AC/DC converter and the first DC/DC converter according to the first charging current to charge the battery through an AC power; receive a first discharging current sent by the BMS and discharging a power of the battery according to the first discharging current; and receiving a second charging current sent by the BMS and control the bidirectional AC/DC converter and the first DC/DC converter according to the second charging current to charge the battery through the AC power.

Abstract: Embodiments of the present application provide a charging and discharging apparatus and a battery charging method, which are capable of ensuring security performance of a battery. The apparatus comprises a bi-directional DC/DC converter and a control unit, wherein the control unit is configured to: receive a first charging current transmitted by a battery management system (BMS) of a battery, control the bi-directional DC/DC converter based on the first charging current to charge the battery through an energy storage battery; receive a first discharging current transmitted by the BMS and control the bi-directional DC/DC converter based on the first discharging current to discharge a battery capacity of the battery to the energy storage battery; and receive a second charging current transmitted by the BMS and control the bi-directional DC/DC converter based on the second charging current to charge the battery through the energy storage battery.

Abstract: Embodiments of the present application provide a charging and discharging apparatus, a method for charging a battery and a charging and discharging system, which are capable of ensuring security performance of a battery. The charging and discharging apparatus includes a bidirectional AC/DC converter, a first DC/DC converter, a second DC/DC converter and a control unit. The control unit is configured to: receive a first charging request transmitted by the BMS and control an AC power source and/or an energy storage unit to charge the battery; receive a first discharging request transmitted by the BMS and discharging a power of the battery according to the first discharging request; and receive a second charging request transmitted by the BMS and control the AC power source and/or the energy storage unit to charge the battery.

Abstract: Embodiments of the application provide a method for charging battery a charging and discharging device, which can ensure the safety performance of the battery. The charging and discharging device includes a first DC/DC converter, a unidirectional AC/DC converter and a control unit, where the first DC/DC converter is a unidirectional DC/DC converter, and the control unit is configured to: receive a first charging current and control the unidirectional AC/DC converter and the first DC/DC converter to charge a battery through an AC power source based on the first charging current; receive a first discharging current, and control the battery to release power based on the first discharging current; and receive a second charging current, and control the unidirectional AC/DC converter and the first DC/DC converter to charge the battery through the AC power source based on the second charging current.

Abstract: The application provides a method, a charging-discharging device, a cloud server, a system and a medium for charging-discharging interaction, which belong to the fields of electric power technologies. The method for charging-discharging interaction includes: the charging-discharging device transmits a vehicle-to-grid V2G function confirmation message to a battery management system of a target vehicle; when no V2G function feedback message fed back by the battery management system is received within a preset period of time after transmitting the V2G function confirmation message, the charging-discharging device transmits a first indication message to a cloud server to indicate that the target vehicle is V2G-disabled; in response to a non-V2G charging instruction received from the cloud server, the charging-discharging device performs a non-V2G charging for the target vehicle. The availability of the charging-discharging device can be improved according to embodiments of the present application.