Abstract: Disclosed are a virtual parking space establishment system and a method. The virtual parking space establishment system includes a data acquiring module, a data processing module, a parking space control module, a wireless communication module and a client; the data acquiring module is used for acquiring traffic flow data; the data processing module is used for processing and analyzing the traffic flow data; the parking space control module is used for establishing or canceling virtual parking spaces according to analysis results of the traffic flow data; the wireless communication module is used for providing a wireless network link between the client and the parking space control module; the client is used for viewing virtual parking space information.

Abstract: Disclosed are a virtual parking space establishment system and a method. The virtual parking space establishment system includes a data acquiring module, a data processing module, a parking space control module, a wireless communication module and a client; the data acquiring module is used for acquiring traffic flow data; the data processing module is used for processing and analyzing the traffic flow data; the parking space control module is used for establishing or canceling virtual parking spaces according to analysis results of the traffic flow data; the wireless communication module is used for providing a wireless network link between the client and the parking space control module; the client is used for viewing virtual parking space information.

Abstract: The present disclosure presents aerial communication systems and methods. One such system comprises an unmanned aerial vehicle platform and a communication component integrated with the unmanned aerial vehicle platform, wherein the communication component is configured to establish an Air to Air (A2A) communication channel with a remote directional antenna that is integrated with a remote unmanned aerial vehicle platform. The system further includes a computing component integrated with the unmanned aerial vehicle platform, wherein the computing component is configured to determine an optimal heading angle for transmission of communication signals from a directional antenna to the remote directional antenna in an unknown communication environment from received signal strength indicator (RSSI) information obtained from the remote directional antenna. Other systems and methods are also disclosed.

Abstract: A method can include obtaining information on at least one of the following: resource occupation of a reconfigurable functional unit associated with hardware accelerator resources or GPP resources, power consumption of a hardware accelerator associated with hardware accelerator resources, and power consumption of a server associated with GPP resources. The method can also include performing processing on the reconfigurable functional unit based on the obtained information, the processing including at least one of configuration, reconfiguration, and migration. The method and apparatus of certain embodiments may increase efficiency of resource management of the edge cloud, lower system energy consumption, and/or enable more efficient virtualization mechanisms for hardware accelerator resources.

Abstract: A tempo-spatial evolution test system for rock breaking in deep and complex environment includes an acoustic emission sensor assembly and an acoustic emission amplifier assembly that are arranged on a rock mechanics test system. A triaxial cavity coupling bracket is arranged on an outer wall of the triaxial cavity and between two sets of acoustic emission sensor assemblies. The triaxial cavity coupling bracket includes a plate-shaped bracket, two sickle-shaped brackets, and at least three bracket bolts, which can be tightly wrapped on the outer wall of the triaxial cavity. A lateral side of the plate-shaped bracket vertically fixes two guide columns. The acoustic emission amplifier assembly is arranged between the two guide columns and is located above the plate-shaped bracket, and the acoustic emission amplifier assembly is connected to the acoustic emission sensor assembly through a signal line.

Abstract: A system for monitoring rock damage in deep engineering environment includes an acoustic emission sensor assembly and an acoustic emission amplifier assembly. The assemblies are mounted on a rock mechanics test system. The acoustic emission sensor clamp includes a coupling screw, as well as a clamp cover, a clamp cylinder, and a coupling panel threadedly connected in sequence. The acoustic emission amplifier assembly includes an acoustic emission amplifier, an upright column having a guide rail, a lifting support plate, and a support plate lifting oil cylinder. Additionally, an evaluation method based on acoustic emission tempo-spatial evolution laws is presented. According to the properties of acoustic emission, fractal characteristics of damage evolution processes of rock test pieces are analyzed and the relationship between stress, energy and fractal dimension in the whole process of tensile deformation damage of the rock test pieces is obtained.

Abstract: The present disclosure presents aerial communication systems and methods. One such system comprises an unmanned aerial vehicle platform and a communication component integrated with the unmanned aerial vehicle platform, wherein the communication component is configured to establish an Air to Air (A2A) communication channel with a remote directional antenna that is integrated with a remote unmanned aerial vehicle platform. The system further includes a computing component integrated with the unmanned aerial vehicle platform, wherein the computing component is configured to determine an optimal heading angle for transmission of communication signals from a directional antenna to the remote directional antenna in an unknown communication environment from received signal strength indicator (RSSI) information obtained from the remote directional antenna. Other systems and methods are also disclosed.

Abstract: The present disclosure provides a method for resource reconfiguration and the corresponding device. A method provided in a first aspect of the present disclosure comprises: at a controller for managing a baseband unit (BU) pool, determining system status and resource usage conditions of the BU pool; based on the system status and the resource usage conditions, identifying a resource that needs to be reconfigured, the resource being selected from a virtual machine running on a server in the BU pool or from a processing module in an accelerator in the BU pool; determining an address of a target device using the resource, wherein the target device is selected from servers or accelerators in the BU pool; and instructing the target device to reconfigure the resource. The solution of the present disclosure effects reconfiguration of all resources in cloud RAN.

Abstract: The present subject matter describes a system for ink pumping. In an example implementation, the system comprises a tube having a first end and a second end, a peristaltic pump to pump ink through the tube, a first ink port, and a second ink port. The system includes a first fluid chamber between the first end of the tube and the first ink port. The first fluid chamber is configured to hold the ink entering and exiting the tube through the first end to dampen flow of the pumped ink. The system also includes a second fluid chamber between the second end of the tube and the second ink port. The second fluid chamber is configured to hold the ink entering and exiting the tube through the second end to dampen flow of the pumped ink.

Abstract: A system for monitoring rock damage in deep engineering environment includes an acoustic emission sensor assembly and an acoustic emission amplifier assembly. The assemblies are mounted on a rock mechanics test system. The acoustic emission sensor clamp includes a coupling screw, as well as a clamp cover, a clamp cylinder, and a coupling panel threadedly connected in sequence. The acoustic emission amplifier assembly includes an acoustic emission amplifier, an upright column having a guide rail, a lifting support plate, and a support plate lifting oil cylinder. Additionally, an evaluation method based on acoustic emission tempo-spatial evolution laws is presented. According to the properties of acoustic emission, fractal characteristics of damage evolution processes of rock test pieces are analyzed and the relationship between stress, energy and fractal dimension in the whole process of tensile deformation damage of the rock test pieces is obtained.

Abstract: Embodiments of the present disclosure provide a method and an apparatus for resource management in an edge cloud. The method comprises obtaining information on at least one of the following: resource occupation of a reconfigurable functional unit associated with hardware accelerator resources or GPP resources, power consumption of a hardware accelerator associated with hardware accelerator resources, and power consumption of a server associated with GPP resources; and performing processing on the reconfigurable functional unit based on the obtained information, the processing including at least one of configuration, reconfiguration, and migration. The method and apparatus of the embodiments of the present disclosure increase efficiency of resource management of the edge cloud, lower system energy consumption, and/or enable more efficient virtualization mechanisms for hardware accelerator resources.

Abstract: A tempo-spatial evolution test system for rock breaking in deep and complex environment includes an acoustic emission sensor assembly and an acoustic emission amplifier assembly that are arranged on a rock mechanics test system. A triaxial cavity coupling bracket is arranged on an outer wall of the triaxial cavity and between two sets of acoustic emission sensor assemblies. The triaxial cavity coupling bracket includes a plate-shaped bracket, two sickle-shaped brackets, and at least three bracket bolts, which can be tightly wrapped on the outer wall of the triaxial cavity. A lateral side of the plate-shaped bracket vertically fixes two guide columns. The acoustic emission amplifier assembly is arranged between the two guide columns and is located above the plate-shaped bracket, and the acoustic emission amplifier assembly is connected to the acoustic emission sensor assembly through a signal line.

Abstract: The present subject matter describes a system for pumping ink. In an example implementation, the system includes a piston assembly having a lower chamber and an upper chamber. The lower chamber has an inlet port to receive ink. The upper chamber has a passage to receive ink from the lower chamber and an outlet port to dispense ink. The upper chamber is enclosed by a bellow. An actuating member is engaged with the piston assembly. The actuating member is configured to linearly move the piston assembly. The piston assembly is configured to compress and relax the bellow by the linear movement to pump ink from the lower chamber to the upper chamber and from the upper chamber to the outlet port.

Abstract: Disclosed are systems and methods relating to dynamically updating control systems according to observations of behaviors of neighboring control systems in the same environment. A control policy for an agent device is established based on an incomplete knowledge of an environment and goals. State information from neighboring agent devices can be collected. A belief in an intention of the neighboring agent device can be determined based on the state information and without knowledge of the actual intention of the neighboring agent device. The control policy can be updated based on the updated belief.

Abstract: The present disclosure provides a method for resource reconfiguration and the corresponding device. A method provided in a first aspect of the present disclosure comprises: at a controller for managing a baseband unit (BU) pool, determining system status and resource usage conditions of the BU pool; based on the system status and the resource usage conditions, identifying a resource that needs to be reconfigured, the resource being selected from a virtual machine running on a server in the BU pool or from a processing module in an accelerator in the BU pool; determining an address of a target device using the resource, wherein the target device is selected from servers or accelerators in the BU pool; and instructing the target device to reconfigure the resource. The solution of the present disclosure effects reconfiguration of all resources in cloud RAN.

Abstract: The present subject matter describes a system for ink pumping. In an example implementation, the system comprises a tube having a first end and a second end, a peristaltic pump to pump ink through the tube, a first ink port, and a second ink port. The system includes a first fluid chamber between the first end of the tube and the first ink port. The first fluid chamber is configured to hold the ink entering and exiting the tube through the first end to dampen flow of the pumped ink. The system also includes a second fluid chamber between the second end of the tube and the second ink port. The second fluid chamber is configured to hold the ink entering and exiting the tube through the second end to dampen flow of the pumped ink.

Abstract: The present subject matter describes a system for pumping ink. In an example implementation, the system includes a piston assembly having a lower chamber and an upper chamber. The lower chamber has an inlet port to receive ink. The upper chamber has a passage to receive ink from the lower chamber and an outlet port to dispense ink. The upper chamber is enclosed by a bellow. An actuating member is engaged with the piston assembly. The actuating member is configured to linearly move the piston assembly. The piston assembly is configured to compress and relax the bellow by the linear movement to pump ink from the lower chamber to the upper chamber and from the upper chamber to the outlet port.

Abstract: A printer and a method for delivering ink in the printer are disclosed. The printer, comprising an ink supply station (ISS) having a first pump and an ink tank coupled to the ISS, wherein the ink tank comprises a first inflatable bag; a print head having an off-axis ink supply unit and a second pump coupled to the print head, wherein the off-axis ink supply unit comprises a second inflatable bag; and a connection unit which connects the ISS to the off-axis ink supply unit.