Abstract: A method for allocating resources of a virtual controller is disclosed. The method comprises: allocating resources of a virtual controller to a first tenant, wherein the first tenant is allocated a first tenant quantity of guaranteed resources of the virtual controller and a second tenant is allocated a second tenant quantity of guaranteed resources of the virtual controller; determining that resources requested by the first tenant are greater than the first tenant quantity of guaranteed resources; determining that the virtual controller has unutilized resources sufficient to at least partially provide additional resources beyond the first tenant quantity of guaranteed resources to the first tenant; and temporarily provisioning the additional resources to the first tenant, wherein the additional resources are greater than the first tenant quantity of guaranteed resources.

Abstract: An inverter and an inverter system. The inverter includes an inverter module and a power distribution unit; the inverter module has a first direction and a second direction which are perpendicular to each other; the inverter module is provided with a direct current input end and an alternating current output end, and the direct current input end and the alternating current output end are distributed on two sides of the inverter module in the first direction; the power distribution unit includes a direct current module and an alternating current module, and the direct current module and the alternating current module are provided at a same end of the inverter module in the second direction; the direct current input end faces the power distribution unit; the alternating current output end faces the power distribution unit; the direct current module is electrically connected to the direct current input end; the alternating current module is electrically connected to the alternating current output end.

Abstract: A method for improving the curvilinear running speed of railway vehicles and the small tilting system: when the railway vehicle is driven on a curve, the raising and falling of air springs on both sides of the railway vehicle are controlled by a control assembly to realize small tilting of the railway vehicle toward the inner side of the curve; the transverse component of gravity after the small tilting of the railway vehicle is used for balancing part of the centrifugal force and reducing the influence of the centrifugal force, thereby improving the curve driving speed of the railway vehicle; and at the same time, an adjustable torsion bar system is controlled to provide a unidirectional anti-rolling torque for preventing the railway vehicle from rolling toward the outer side of the curve without hindering the railway vehicle from tilting slightly toward the inner side of the curve.

Abstract: An automated climbing information acquisition method includes, in response to obtaining target information sent by a first terminal apparatus, determining relative information between a second terminal apparatus and the first terminal apparatus, and in response to the relative information satisfying a predetermined condition, the second terminal apparatus obtaining climbing information and performing a predetermined operation on the climbing information.

Abstract: A heat exchanger includes a heat exchange core arranged inside the housing, and a side of the housing is provided with an air vent. The heat exchanger is provided with a communication channel in communication with the air vent. The communication channel is located inside the housing, and is located at a side in the housing opposite to the air vent. In the heat exchanger, the air vent is in communication with the communication channel inside the housing, and the communication channel is located at the side in the housing opposite to the air vent, such that the internal space of the housing is fully utilized. Compared to the prior art, the overall size of the heat exchanger is reduced, and the cost for the heat exchanger is reduced.

Abstract: A method for positioning a smart wearable device includes that: reference positioning data sent by other devices around the smart wearable device is acquired; a positioning satellite matching the smart wearable device is locked onto according to the reference positioning data; and current positioning data of the smart wearable device is determined based on a navigation message sent by the positioning satellite.

Abstract: An inverter and an integrated platform having the same are provided. The inverter includes a cabinet having a cabinet door; an inverter body arranged in the cabinet; and a heat exchanger arranged on an outer side of the cabinet, where the inverter body has an alternating-current side, and the cabinet door is arranged on the alternating-current side or an opposite side of the alternating-current side of the inverter body.

Abstract: A cabinet air duct, a cabinet assembly and a photovoltaic inverter are provided according to the present application, where the cabinet air duct includes a cabinet and an air duct arranged in the cabinet. The cabinet is provided with an air inlet and an air outlet that are in communication with the air duct. The air inlet is arranged on a first side surface of the cabinet, the air outlet is arranged on a second side surface of the cabinet, and the first side surface and the second side surface are two opposite side surfaces of the cabinet.

Abstract: A phase-change heat dissipater and a power module are provided according to the present application. The phase-change heat dissipater includes least two evaporators, at least one condenser and at least two sets of heat transfer pipelines, the at least two evaporators and at least one condenser form at least two circulating heat dissipation circuits through the at least two sets of heat transfer pipelines, and a phase-change medium is filled in the at least two circulating heat dissipation circuits; and the at least two evaporators are arranged sequentially along a vertical direction. The technical solution of the present application can improve the temperature difference of the at least two evaporators and maintain the temperature uniformity of the at least two evaporators.

Abstract: A phase-change heat exchanger and a heat exchange core thereof are provided according to the present application, which include an evaporator and a condenser which is in communication with the evaporator and is located above the evaporator, and at least one of the evaporator and the condenser is inclined in the housing. In the actual use, since at least one of the evaporator and the condenser is inclined in the housing, a space in a thickness direction of an inner cavity of a housing of the phase-change heat exchanger can be fully utilized, a span in a connection direction between the evaporator and the condenser can be reduced, and thus an overall volume of the phase-change heat exchanger can be reduced.

Abstract: A plug-in device and a power conversion apparatus are provided. The plug-in device includes a housing, a connector and a temperature acquisition device. The housing is defined with a holding cavity. The connector includes a clamping part and a fixed connection part. The clamping part is arranged in the holding cavity. The fixed connection part partially extends out of the housing. The clamping part is configured to clamp a power conversion device. The fixed connection part is connected to a reactor. The temperature acquisition device is arranged close to the connector, and is configured to acquire a temperature at an overlapping point of the power conversion device and the clamping part.

Abstract: A power conversion device and an integrated machine are provided, The power conversion device includes a housing and a power converter. The power converter is arranged in the housing, and two ends, opposite to each other, of the power converter are respectively provided with a direct current wiring area and an alternate current wiring area. Two ends of the housing corresponding to the direct current wiring area and the alternate current wiring area each is provided with a movable door being capable of being opened and closed.

Abstract: An inverter is provided according to the present disclosure. The inverter is configured with a first direction and a second direction, the first direction and the second direction are vertical to each other, and a length of the inverter in the first direction is greater than a length of the inverter in the second direction; the inverter comprises a direct current device and an inversion alternating current device, and the direct current device and the inversion alternating current device are arranged along the first direction and electrically connected; wherein the direct current device and the inversion alternating current device are arranged alternately; or the inversion alternating current device is arranged collectively and the direct current device is arranged on an outside of the alternating current device.

Abstract: The present disclosure provides a method and system for detecting exhaust emissions of a vehicle equipped with an ignition engine based on big data of remote sensing. The system includes: a vehicle emission measuring instrument, a host computer, an information display instrument, a vehicle driving state tester, a weather monitor, a license plate camera and a vehicle emission monitoring platform. The vehicle emission measuring instrument, the information display instrument, the vehicle driving state tester, the weather monitor and the license plate camera communicate with the host computer. The host computer is connected to the vehicle emission monitoring platform via the Internet. The present disclosure acquires pollutant concentrations in the vehicle emissions through the detection system, divides a vehicle specific power (VSP) into multiple bins, performs statistical analysis and evaluation on the vehicle emissions according to different vehicle types, and determines high-emission vehicles.

Abstract: A heat dissipating system and a power cabinet are provided. The heat dissipating system includes a cabinet, a first circulating fan and a heat exchanger. The cabinet has an outer circulating air duct and a sealed inner circulating air duct. The air inlet and the air outlet connected to the outside are arranged in the outer circulating air duct, and the heat exchanger is arranged in the cabinet and configured to exchange heat between the inner circulating air duct and the outer circulating duct. The first circulating fan is arranged outside the air inlet of the outer circulating air duct or arranged inside the outer circulating air duct, and configured to supply air to the outer circulating air duct. The heat dissipation efficiency of the inner circulating air duct is improved.

Abstract: A method for allocating resources of a virtual controller is disclosed. The method comprises: allocating resources of a virtual controller to a first tenant, wherein the first tenant is allocated a first tenant quantity of guaranteed resources of the virtual controller and a second tenant is allocated a second tenant quantity of guaranteed resources of the virtual controller; determining that resources requested by the first tenant are greater than the first tenant quantity of guaranteed resources; determining that the virtual controller has unutilized resources sufficient to at least partially provide additional resources beyond the first tenant quantity of guaranteed resources to the first tenant; and temporarily provisioning the additional resources to the first tenant, wherein the additional resources are greater than the first tenant quantity of guaranteed resources.

Abstract: A cabinet air duct, a cabinet assembly and a photovoltaic inverter are provided according to the present application, where the cabinet air duct includes a cabinet and an air duct arranged in the cabinet. The cabinet is provided with an air inlet and an air outlet that are in communication with the air duct. The air inlet is arranged on a first side surface of the cabinet, the air outlet is arranged on a second side surface of the cabinet, and the first side surface and the second side surface are two opposite side surfaces of the cabinet.

Abstract: Some embodiments provide a method for a set of central controllers that manages forwarding elements operating in a plurality of datacenters. The method receives a configuration for a bridge between (i) a logical L2 network that spans at least two datacenters and (ii) a physical L2 network. The configuration specifies a particular one of the datacenters for implementation of the bridge. The method identifies multiple managed forwarding elements that implement the logical L2 network and are operating in the particular datacenter. The method selects one of the identified managed forwarding elements to implement the bridge. The method distributes bridge configuration data to the selected managed forwarding element.

Abstract: The present disclosure provides a system and method for monitoring diesel vehicle emissions based on big data of remote sensing. The monitoring system includes a vehicle remote sensing data monitoring platform, a host computer, an emission remote sensing instrument, a vehicle driving state monitor, an information display screen and a license plate camera. The emission remote sensing instrument is used to acquire information of a pollutant in an exhaust plume. The vehicle driving state monitor is used to acquire a vehicle speed and acceleration. The license plate camera is used to capture license plate information. The host computer is used to process and calculate vehicle cycle and emission information. The vehicle remote sensing data monitoring platform is used to determine a high-emission vehicle, and pre-store information of all diesel vehicles, different driving cycle bins of each type of diesel vehicles and high-emission thresholds set for different bins.

Abstract: The present disclosure provides a method and system for detecting exhaust emissions of a vehicle equipped with an ignition engine based on big data of remote sensing. The system includes: a vehicle emission measuring instrument, a host computer, an information display instrument, a vehicle driving state tester, a weather monitor, a license plate camera and a vehicle emission monitoring platform. The vehicle emission measuring instrument, the information display instrument, the vehicle driving state tester, the weather monitor and the license plate camera communicate with the host computer. The host computer is connected to the vehicle emission monitoring platform via the Internet. The present disclosure acquires pollutant concentrations in the vehicle emissions through the detection system, divides a vehicle specific power (VSP) into multiple bins, performs statistical analysis and evaluation on the vehicle emissions according to different vehicle types, and determines high-emission vehicles.