Abstract: A condensation-recovery device for overpressure gas based on liquefied natural gas (LNG) cold energy, including a tank body and a condensation cavity provided on a bottom thereof. LNG is stored in the condensation cavity to condense boil-off gas (BOG). The condensation cavity includes a vertical hollow tube arranged in the tank body, and an engagement mechanism is provided on a bottom of the vertical hollow tube. The vertical hollow tube is configured such that the gas can experience preliminary contact with the LNG when flowing therein, and the gas will continuously enter the vertical hollow tube under the action of pressure difference. After entering the conical tube, the gas will be distributed along the cavity of the conical tube to spread downward, so as to increase a contact time of the gas and the LNG while avoiding expanding diffusion area of the gas after entering the LNG.

Abstract: A method and system device for performing multi-carrying of a linear motor for magnetic levitation transportation is provided. With the method for performing multi-carrying of a linear motor for magnetic levitation transportation, linear motor traction power information and other linear motor carried information are generated, and the other linear motor carried information is transmitted through a channel for carrying the linear motor traction power information that is constructed based on a linear motor structure.

Abstract: A control method for restarting a permanent magnet synchronous motor (PMSM) in a rotating condition, and a device and a system thereof are provided. In the method, an electrical angular speed ?e of the PMSM is obtained based on a speed of a trailer to obtain a back electromotive force of the PMSM. The back electromotive force is compared with a voltage at a side of an inverter, and if the electromotive force of the permanent magnet synchronous motor is higher than the voltage at the side of the inverter, the restarting of the PMSM is forbidden, otherwise, the restarting of the PMSM is allowed. Therefore, in the present disclosure, the low-speed operating condition and the high-speed operating condition correspond to different position angles of the rotor, and the PMSM is started based on the position angle of the rotor.

Abstract: A remote control system for a video playback device, such as a smart television is provided herein. The system can obtain a playback task customized by a user via a server or a remote control device. The playback task can include at least a content file source. The server or remote control device can obtain playback instructions corresponding to the playback task and communicate the playback instructions to the playback device. The playback device can obtain a content file from the content file source via a residential gateway associated with the playback task after receiving the playback instructions, and then play the content file.

Abstract: A novel RDMA connection failover technique that minimizes disruption to upper subsystem modules (executed on a computer node), which create requests for data transfer. A new failover virtual layer performs failover of an RDMA connection in error so that the upper subsystem that created a request does not have knowledge of an error (which is recoverable in software and hardware), or of a failure on the RDMA connection due to the error. Since the upper subsystem does not have knowledge of a failure on the RDMA connection or of a performed failover of the RDMA connection, the upper subsystem continues providing requests to the failover virtual layer without interruption, thereby minimizing downtime of the data transfer activity.

Abstract: A control method for restarting a permanent magnet synchronous motor (PMSM) in a rotating condition, and a device and a system thereof are provided. In the method, an electrical angular speed ?e of the PMSM is obtained based on a speed of a trailer to obtain a back electromotive force of the PMSM. The back electromotive force is compared with a voltage at a side of an inverter, and if the electromotive force of the permanent magnet synchronous motor is higher than the voltage at the side of the inverter, the restarting of the PMSM is forbidden, otherwise, the restarting of the PMSM is allowed. Therefore, in the present disclosure, the low-speed operating condition and the high-speed operating condition correspond to different position angles of the rotor, and the PMSM is started based on the position angle of the rotor.

Abstract: A method and a device for saving storage space of a terminal device are provided. The method may include: determining an application to be backed up in applications installed locally; sending an installation package and data relating to the application determined to a server for back-up; and uninstalling locally the application and reserving an icon of the application. The terminal device may include: a determination module, a backup module and an uninstall module. The terminal device and method in the present disclosure may have the advantages of effectively saving storage space, avoiding the application from occupying storage space for a long time, and reducing waste of storage space.

Abstract: The present disclosure relates to a method and a terminal device for acquiring information. The method comprises: acquiring associated information of at least one video element in a video, wherein each video element being an image element, a sound element or a clip in the video; and displaying the associated information at a specified time. The problem of inefficient information acquisition is solved, making it possible to display associated information of a video element in a terminal device at a specified time, thus the information acquisition efficiency is improved.

Abstract: A remote control system for a video playback device, such as a smart television is provided herein. The system can obtain a playback task customized by a user via a server or a remote control device. The playback task can include at least a content file source. The server or remote control device can obtain playback instructions corresponding to the playback task and communicate the playback instructions to the playback device. The playback device can obtain a content file from the content file source via a residential gateway associated with the playback task after receiving the playback instructions, and then play the content file.

Abstract: A novel RDMA connection failover technique that minimizes disruption to upper subsystem modules (executed on a computer node), which create requests for data transfer. A new failover virtual layer performs failover of an RDMA connection in error so that the upper subsystem that created a request does not have knowledge of an error (which is recoverable in software and hardware), or of a failure on the RDMA connection due to the error. Since the upper subsystem does not have knowledge of a failure on the RDMA connection or of a performed failover of the RDMA connection, the upper subsystem continues providing requests to the failover virtual layer without interruption, thereby minimizing downtime of the data transfer activity.

Abstract: A novel RDMA connection failover technique that minimizes disruption to upper subsystem modules (executed on a computer node), which create requests for data transfer. A new failover virtual layer performs failover of an RDMA connection in error so that the upper subsystem that created a request does not have knowledge of an error (which is recoverable in software and hardware), or of a failure on the RDMA connection due to the error. Since the upper subsystem does not have knowledge of a failure on the RDMA connection or of a performed failover of the RDMA connection, the upper subsystem continues providing requests to the failover virtual layer without interruption, thereby minimizing downtime of the data transfer activity.

Abstract: A novel RDMA connection failover technique that minimizes disruption to upper subsystem modules (executed on a computer node), which create requests for data transfer. A new failover virtual layer performs failover of an RDMA connection in error so that the upper subsystem that created a request does not have knowledge of an error (which is recoverable in software and hardware), or of a failure on the RDMA connection due to the error. Since the upper subsystem does not have knowledge of a failure on the RDMA connection or of a performed failover of the RDMA connection, the upper subsystem continues providing requests to the failover virtual layer without interruption, thereby minimizing downtime of the data transfer activity.