Abstract: The present invention relates to the technical field of mine fire prevention and extinguishing, in particular to a liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and an application method, comprising a liquid nitrogen storage tank, a liquid nitrogen direct injection system and a low-temperature foaming system, wherein the liquid nitrogen storage tank communicates with a liquid nitrogen pressurizing device through a main pipeline; a temperature control unit is arranged on the main pipeline; and the liquid nitrogen pressurizing device is connected with the liquid nitrogen direct injection system and the low-temperature foaming system, respectively, liquid nitrogen is directly injected into a foam liquid, to prepare a low-temperature foam type fire preventing and extinguishing material by means of forced convection, membrane boiling, explosion boiling and nucleate boiling between the liquid nitrogen and water.

Abstract: This disclosure provides an unmanned survey vessel with an anti-overturning structure and an anti-overturning method of same, and relates to the anti-overturning technique field of unmanned survey vessels. The unmanned survey vessel includes a vessel body and a plurality of buoys. The vessel body is a hollow frame of which a middle is provided with a discharge space. An uptight rod is vertically fixed at an upper-end of the tail part of the vessel body. A supporting beam is horizontally fixed at an upper-end of the upright rod. The supporting beam extends to a bow of the vessel. A rectangular notch is formed in one end, close to the bow, of the supporting beam. One end close to the bow inside the rectangular notch is rotatably provided with a guide rod through a pin shaft. The plurality of buoys are equally divided into two groups which are adjustably arranged on two side walls in the advancing direction of the vessel body respectively.

Abstract: An easy-to-assemble mounting rack for a deformation detection device for a steel structure and an assembling method thereof are provided. The easy-to-assemble mounting rack includes mounting parts including a back mounting plate, an operating rod, an adjusting seat, a ball-shaped block and an upright rod. The upright rod is vertically fixed at the bottom end face of the adjusting seat. A ball-shaped hole is formed in the adjusting seat. The ball-shaped block is rotatably embedded in the ball-shaped hole. A plug-in hole is formed in a radial direction of the ball-shaped block. One end of the operating rod slidably penetrates through the plug-in hole and is detachably connected with the back mounting plate. Screw holes directly opposite to the mounting holes of the deformation detection device are formed on the back mounting plate. The other end of the operating rod is fixedly sleeved with a counterweight plate.

Abstract: In aspects, methods and apparatus are provided for the generation of haptic command signals to cause haptic effect outputs at one or more haptic output devices. The haptic command signals may be generated based on haptic media, supplementary media, and/or haptic device capability. Generating the haptic command signals may include creation or modification of haptic effects, distribution of haptic effects, and/or warping of haptic signals. The methods and apparatus may operate according to combinations of developer provided rules and system enabled inferences. Numerous other aspects are provided.

Abstract: In aspects, methods and apparatus are provided for the generation of haptic command signals to cause haptic effect outputs at one or more haptic output devices. The haptic command signals may be generated based on haptic media, supplementary media, and/or haptic device capability. Generating the haptic command signals may include creation or modification of haptic effects, distribution of haptic effects, and/or warping of haptic signals. The methods and apparatus may operate according to combinations of developer provided rules and system enabled inferences. Numerous other aspects are provided.

Abstract: Example methods are provided for a first routing component to handle failure at a logical router in a first network. One method may comprise learning first path information associated with a first path provided by an active second routing component, and second path information associated with a second path provided by a standby second routing component. The method may also comprise in response to detecting a first egress packet destined for a second network, sending the first egress packet to the active second routing component based on the first path information. The method may further comprise in response to detecting a failure at the active second routing component and detecting a second egress packet destined for the second network, sending the second egress packet to a new active second routing component based on the second path information.

Abstract: Systems and methods for integrating environmental haptic effects in virtual reality are disclosed. One illustrative system described herein includes a sensor for detecting an environmental condition, the environmental condition associated with an environmental haptic effect, and generating a sensor signal. The system also includes a virtual reality display configured to output a virtual reality effect. The system also includes a processor coupled to the sensor and a virtual reality display, the processor configured to: receive the sensor signal, determine a modification to the virtual reality effect based in part on the sensor signal, and transmit a display signal associated with the modification to the virtual reality display. Another illustrative system includes a sensor for detecting an environmental condition, the environmental condition associated with an environmental haptic effect, and generating a sensor signal, and a virtual reality display configured to output a virtual reality effect.

Abstract: Systems and methods are provided to perform operations on a packet of network traffic based on a routing rule of the packet. A stateful network routing service may include multiple network gateways for receiving packets of network traffic. The stateful network routing service may receive a packet and obtain or generate a routing rule based on the source and destination of the packet based on receiving the packet via a client-facing network gateway. The stateful network routing service may transmit the packet to a network appliance based on the routing rule. The stateful network routing service may further receive a packet via an appliance-facing network gateway. Based on receiving the packet via the appliance-facing network gateway, the stateful network routing service may decapsulate the packet and transmit the packet to a network destination. The stateful network routing service may further validate the packet.

Abstract: Systems, devices, and methods for streaming haptic effects are provided. Devices and methods are provided to create a system for receiving and encoding haptic effects according to a master haptics library. The encoded haptic effects are transmitted to a server system for distribution to client haptic devices. The client haptic devices include device specific haptic libraries for decoding the received haptic effects according to the capabilities of the respective devices.

Abstract: Some embodiments provide a method for managing traffic in a virtualized environment. The method, in some embodiments, configures multiple edge service gateways (ESGs) executing on multiple host machines (e.g., on a hypervisor) to use a same anycast inner internet protocol (IP) address and a same anycast inner media access control (MAC) address. In some embodiments, ESGs of a logical network facilitate communication between machines connected to the logical network and machines on external networks. In some embodiments, the method configures a set of virtual extensible local area network tunnel endpoints (VTEPs) connected to an ESG to use a same anycast VTEP IP address. The method, in some embodiments, configures a distributed logical router (DLR or DR) to send data packets with destinations outside the logical network from sources belonging to the logical network to the anycast VTEP IP address.

Abstract: Systems and methods for an Interaction Proxy are disclosed. One disclosed device includes a structure capable of defining at least a first shape at a first location and a second shape at a second location, the second shape configured to act as an interaction proxy; an actuator coupled to the structure and in communication with a processor, the actuator configured to receive a transition signal from the processor and, in response, transition the structure from the first shape to the second shape. The device also includes a sensor configured to sense an interaction with the structure and generate a sensor signal associated with the interaction and to transmit the sensor signal to the processor.

Abstract: A method or system that receives input media including at least video data in which a video event within the video data is detected. Related data that is associated with the detected video event is collected and one or more feature parameters are configured based on the collected related data. The type of video event is determining and a set of feature parameters is selected based on the type of video event. A haptic effect is then automatically generated based on the selected set of feature parameters.

Abstract: One illustrative system disclosed herein includes a computing device that comprises a memory and a processor in communication with the memory. The system also includes an xPC target machine that is capable of achieving sampling rates of at least 100 khz and in communication with the computing device and a user device that includes a sensor and a haptic output device. The processor generates a simulate reality environment and determines a haptic effect based on the simulated reality environment or a sensor signal from the sensor. The processor transmits data about a parameter of the haptic effect or the sensor signal to the xPC target machine, which determines the parameter of the haptic effect and generates, in substantially real time, a haptic signal. The xPC target machine transmits the haptic signal to the haptic output device, which is configured to receive the haptic signal and output the haptic effect.

Abstract: Systems and methods for integrating environmental haptic effects in virtual reality are disclosed. One illustrative system described herein includes a sensor for detecting an environmental condition, the environmental condition associated with an environmental haptic effect, and generating a sensor signal. The system also includes a virtual reality display configured to output a virtual reality effect. The system also includes a processor coupled to the sensor and a virtual reality display, the processor configured to: receive the sensor signal, determine a modification to the virtual reality effect based in part on the sensor signal, and transmit a display signal associated with the modification to the virtual reality display. Another illustrative system includes a sensor for detecting an environmental condition, the environmental condition associated with an environmental haptic effect, and generating a sensor signal, and a virtual reality display configured to output a virtual reality effect.

Abstract: One illustrative system disclosed herein includes a computing device that comprises a memory and a processor in communication with the memory. The processor generates an interactive user interface and obtains an input parameter and a haptic parameter via the interactive user interface. The processor maps the input parameter to the haptic parameter using a mapping algorithm and designs a dynamic haptic effect based at least in part on mapping the input parameter to the haptic parameter. The processor can then generate a plurality of dynamic haptic effects for a plurality of user devices based at least in part on the designed dynamic haptic effect.

Abstract: Systems and methods for integrating haptics overlay in augmented reality are disclosed. One illustrative system described herein includes a haptic output device. The system also includes a display configured to output a visual effect. The system also includes a sensor for tracking a position of a proxy object. The system also includes a processor configured to: determine a modified visual effect based in part on data received from the sensor, determine a haptic effect based in part on data received from the sensor, transmit a display signal associated with the modified visual effect to the display, transmit a haptic signal associated with the haptic effect to the haptic output device; and output the haptic effect using the haptic output device.

Abstract: A system is provided that converts an input, such as audio data, into one or more haptic effects. The system applies a granular synthesis algorithm to the input in order to generate a haptic signal. The system subsequently outputs the one or more haptic effects based on the generated haptic signal. The system can also shift a frequency of the input, and also filter the input, before the system applies the granular synthesis algorithm to the input.

Abstract: Examples of devices, systems, and methods to automatically generate haptics based on visual odometry are disclosed. In one example, a video having a plurality of frames is received and an optical flow estimate between a first frame from the plurality of frames and a second frame from the plurality of frames is created. In this example, the second frame is subsequent to the first frame. An apparent movement of a stationary object between the first frame and the second frame is detected based at least in part on the optical flow estimate in this example and at least one haptic effect corresponding to the apparent movement of the stationary object is generated based at least in part on the optical flow estimate. The generated haptic effect(s) may be output to a haptic file or a haptic output device, or both.

Abstract: Systems, devices, and methods for streaming haptic effects are provided. Devices and methods are provided to create a system for receiving and encoding haptic effects according to a master haptics library. The encoded haptic effects are transmitted to a server system for distribution to client haptic devices. The client haptic devices include device specific haptic libraries for decoding the received haptic effects according to the capabilities of the respective devices.

Abstract: One illustrative system disclosed herein includes a computing device that comprises a memory and a processor in communication with the memory. The system also includes an xPC target machine that is capable of achieving sampling rates of at least 100 khz and in communication with the computing device and a user device that includes a sensor and a haptic output device. The processor generates a simulate reality environment and determines a haptic effect based on the simulated reality environment or a sensor signal from the sensor. The processor transmits data about a parameter of the haptic effect or the sensor signal to the xPC target machine, which determines the parameter of the haptic effect and generates, in substantially real time, a haptic signal. The xPC target machine transmits the haptic signal to the haptic output device, which is configured to receive the haptic signal and output the haptic effect.