Abstract: The disclosure relates to a method and system for processing information in a content delivery network (CDN). The method includes: obtaining total bandwidth values at respective sampling time points within a management cycle, and arranging the total bandwidth values in chronological order; determining an interval between a first sampling time point and a second sampling time point as a management interval; determining usage ratios of respective bandwidth users according to a first bandwidth value used within the management interval by the bandwidth users sharing the CDN bandwidth, and a second bandwidth value in total used within the management interval by all of the bandwidth users sharing the CDN bandwidth; and managing, based on the usage ratios, bandwidth usage by the respective bandwidth users.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes an array substrate, a first electrode layer, a pixel definition layer, and a luminescent material layer laminated one on another. The pixel definition layer includes a first portion and a second portion, the first portion corresponds to and is arranged in an active area of the display panel, the second portion surrounds the first portion. A depression structure is arranged in the second portion, and an aperture of the depression structure is oriented to a side of the pixel definition layer away from the array substrate.

Abstract: An economizer and an air conditioning system. The economizer includes a housing with a refrigerant inlet for connecting to a first heat exchanger, a refrigerant outlet for connecting to a second heat exchanger, and a suction port for connecting to an intermediate stage of a compressor provided thereon; and a choke portion configured to protrude inwardly from an inner wall of the housing and arranged close to the suction port, such that refrigerant flowing to the suction port is at least partially obstructed. According to the technical solutions of the present application, the refrigerant flowing to the suction port can be at least partially obstructed. When the liquid droplets carried by the refrigerant are obstructed by the choke portion, the liquid droplets are adsorbed on the wall surface to form a liquid film, and the movement of the liquid film is obstructed by the choke portion.

Abstract: Provided in the present disclosure are a cutter head, a grass chopping structure, and a lawn mower. The cutter head includes a cutter head body and blades; the cutter head body surface A is provided with a central part connected to a rotary driving component; the cutter head body edge part can be connected to a mowing cutter; and the blades are disposed on the cutter head body surface A. The grass chopping structure includes the cutter head and a protective cover sleeved on the cutter head body surface A and edge part, where the protective cover is provided with air guide holes along a circumferential direction of the cutter head. The lawn mower has the above cutter head or the above grass chopping structure. When the cutter head rotates, the blades also rotate together to generate airflow to implement grass chopping, thereby reducing the formation of grass clumps.

Abstract: A three-dimensional graphene antenna includes a three-dimensional graphene radiation layer, a dielectric substrate, a metal layer and a feeder line. The three-dimensional graphene radiation layer is made from porous three-dimensional graphene. A preparation method of the porous three-dimensional graphene includes steps of preparing pressurized solid particles by pressurizing gas into solid micro particles, mixing the pressurized solid particles with a graphene oxide dispersion liquid, removing liquid nitrogen under high pressure and low temperature such that the graphene oxide flakes enwrap around the pressurized solid particles, obtaining a graphene oxide block containing the pressurized solid particles by extruding, sublimating the pressurized solid particles in the graphene oxide block into gas, forming holes in the graphene oxide block and annealing, thereby obtaining the three-dimensional graphene.

Abstract: The present application relates to a portable AC-DC power converter for an on-board refrigeration unit and an on-board power supply management device suitable for use in conjunction with the aforementioned portable AC-DC power converter. A portable AC-DC power converter for on-board electrical equipment according to one aspect of the present application comprises: an AC-DC conversion unit; one or more AC power plugs connected to an input terminal of the AC-DC conversion unit; and one or more connectors connected to an output terminal of the AC-DC conversion unit, wherein the connector comprises a DC output interface and a conductor, where the conductor is configured to short circuit contacts arranged on the refrigeration unit on the vehicle side when the DC output interface is engaged with a DC input interface of an on-board connector to generate a trigger signal to disconnect the on-board electrical equipment from an on-board power source.

Abstract: The present invention provides a plasma generating system that includes: a plurality of plasma reactors. Each plurality of plasma reactors includes: a waveguide for transmitting a microwave energy therethrough; a plasma chamber coupled to the waveguide and configured to generate a plasma therein using the microwave energy; a gas inlet for introducing a gas into the plasma chamber; an exhaust gas pipe for carrying an exhaust gas from the plasma chamber, wherein the plasma converts the gas into the exhaust gas; and a pressure control device installed in the exhaust gas pipe and configured to control a pressure of the exhaust gas in the exhaust gas pipe. The plasma generating system also includes a manifold coupled to the exhaust gas pipes of the plurality of plasma reactors and configured to receive the exhaust gas from the exhaust gas pipes.

Abstract: A touch panel and a display apparatus. The touch panel includes a touch area and a peripheral area arranged surrounding the touch area, the touch panel further includes: a first metal layer; a second metal layer; two or more insulating layers arranged in stack with the first metal layer and the second metal layer in the first direction; in which the two or more insulating layers includes one or more organic material layers, a part of at least one of the one or more organic material layers located in the touch area is provided with one or more hollow slots, and in the first direction, an orthographic projection of the at least one of the one or more organic material layers provided with the hollow slots covers at least part of the touch electrodes.

Abstract: An electromechanical braking system. The force required for the braking process is provided by an asynchronous machine. The asynchronous machine and the torque delivered by the asynchronous machine is adjusted using a quasi-stationary rotor position for the rotor of the asynchronous machine.

Abstract: A method for controlling a game character, comprising following steps: in response to a sliding operation started from an initial position of the skill button, locking the virtual joystick for disabling control of the skill release direction of the game character; monitoring a track of the sliding operation, obtaining a current position P2 of a touch point of the sliding operation, and calculating a vector a; determining whether the vector a meets the condition of |a|>a preset threshold L; if yes, generating a first operating instruction to release a skill in the direction of the vector a; and unlocking the virtual joystick; if no, determining whether the sliding operation has been released; if yes, generating a second operating instruction to release the skill, wherein a release direction is a current orientation of the game character; and unlocking the virtual joystick. The method may effectively reduce a misoperation rate.

Abstract: The present application relates to a heater, the heater comprising: a first heating resistor, the first heating resistor being a thermistor; a second protective resistor connected in series with the first heating resistor, wherein the second protective resistor has a constant resistance value; and a temperature switch connected in parallel with the second protective resistor, wherein the temperature switch enables or bypasses the second protective resistor according to surface temperature of the first heating resistor. The present application also relates to a transport refrigeration unit, a refrigeration system for a transport unit, and a method of controlling a heater in a transport refrigeration unit TRU.

Abstract: A cantilever assembly and a rapid prototyping device are provided. A force sensor is arranged on a cantilever body to detect a degree of deformation in a process of the cantilever pulling a model for release, so as to determine whether a printing is successful or not, thereby avoiding the problem of affecting light transmission caused by a sensing member arranged between a display screen and a release liner.

Abstract: A conveyor station, robot module, sweeper module, and methods for autonomously emptying debris using the conveyor station are described. In one example, a conveyor station includes a housing having an input end and an output end. The conveyor station includes a conveyor belt having a receiving region proximate to the input end and an angled transport region leading toward a dispense region. The conveyor belt has a plurality of fins that extend out from a surface of the conveyor belt. The plurality of fins enable movement of debris collected at the receiving region toward the dispense region. The dispense region is configured to push debris into a drop funnel of the housing, and the drop funnel directs debris into a receptacle. The conveyor station includes a conveyor controller of the conveyor station is configured with a sensor for detecting presence of a sweeper module. The sweeper module includes a container that holds debris collected when the sweeper module is connected to a robot module.

Abstract: A centrifugal compressor and a refrigerating device. The centrifugal compressor includes: a shell, which has a fluid inlet and a fluid outlet; a motor assembly including a stator and a rotor, the rotor including a vertically arranged rotor shaft; a centrifugal compression mechanism, an impeller of which is connected with the rotor shaft so as to be driven by the motor assembly, wherein the centrifugal compression mechanism is arranged downstream of the fluid inlet to receive fluid, compress and pressurize the fluid, and output the pressurized fluid in a direction away from the motor assembly; and a guide member, which receives the pressurized fluid from the centrifugal compression mechanism, and which defines a flow passage alone or together with a part of the shell, wherein the flow passage is configured such that the pressurized fluid from the centrifugal compression mechanism passes through and cools the motor assembly.

Abstract: An autonomous sweeper is provided, including a sweeper module, and a robot chassis having a length along a pair of sides, a front side, a back side and a top side that define an interior space. The sweeper module is configured to fit within the interior space when the robot chassis moves over the sweeper module. A pair of wheels is disposed proximate to the back side of the robot chassis and a single wheel is disposed proximate to the front side. A pair of scissor lifts is disposed along said pair of sides. A lift frame including alignment pegs that fit into corresponding alignment holes is disposed on the top side of the sweeper module. The lift frame is raised and lowered by said pair of scissor lifts, and said scissor lifts assist in lifting the sweeper module while aligning said sweeper module to the robot chassis using said alignment pegs and alignment holes.

Abstract: An electromechanical brake system for a motor vehicle. The brake system includes four wheel brake devices, four primary electric motors, four secondary electric motors, four control devices, and a backup control device. The control devices and/or the backup control device are designed to acquire and/or evaluate sensor data from sensors assigned to the wheel brake devices and/or the motor vehicle. Each of the wheel brake devices is respectively assigned one of the primary electric motors and one of the secondary electric motors in each case for operating the respective wheel brake devices. For actuating the electric motors, each of the control devices is respectively assigned to one of the primary electric motors of one of the wheel brake devices and the backup control device is assigned to the four secondary electric motors of the wheel brake devices.

Abstract: The invention provides a multi-temperature air conditioning system, a control method thereof and a transport refrigeration vehicle. The multi-temperature air conditioning system comprises: an outdoor unit, in which a compressor, a first stop valve, an outdoor heat exchanger, and a second stop valve connected through pipelines are arranged, wherein, the first stop valve is arranged between a first end of the outdoor heat exchanger and an exhaust port of the compressor, and the second stop valve is arranged between a second end of the outdoor heat exchanger and a suction port of the compressor; a first type indoor unit, in which a first indoor heat exchanger, a first throttling element, a third stop valve, and a fourth stop valve are arranged; and a second type indoor unit, in which a second indoor heat exchanger, a second throttling element, a fifth stop valve, and a sixth stop valve are arranged.

Abstract: An electromechanical brake system for a motor vehicle. The electromechanical brake system includes four wheel brake devices, four primary electric motors, four secondary electric motors, two control devices, and a backup control device. The control devices and/or the backup control device are designed to acquire and/or evaluate sensor data from sensors assigned to the wheel brake devices and/or to the motor vehicle. Each of the wheel brake devices is respectively assigned one of the primary electric motors and one of the secondary electric motors in each case for operating the respective wheel brake devices, and in that, for actuating the electric motors. Each of the control devices is respectively assigned to two of the primary electric motors of two of the wheel brake devices and the backup control device is assigned to the four secondary electric motors of the wheel brake devices.

Abstract: The present invention provides a plasma generating system that includes: a waveguide; a plasma cavity coupled to the waveguide and configured to generate a plasma therewithin by use of microwave energy; a hollow cylinder protruding from a wall of the waveguide and having a bottom cap that has an aperture; a detection unit for receiving the light emitted by the plasma through the aperture and configured to measure intensities of the light in an ultraviolet (UV) range and an infrared (IR) range; and a controller for controlling the detection unit.

Abstract: The disclosure relates to a sensor assembly for a vehicle, comprising: a speed sensor for each vehicle wheel that detects an rpm-dependent and/or rotational-speed-dependent physical variable, which is used to ascertain speed information; a primary control unit, which analyses the speed information to perform first braking functions; and a secondary control unit, which analyses the speed information to perform second braking functions. A control unit is arranged positioned close to each of the vehicle wheels, and is connected to the speed sensor associated with the corresponding wheel and receives a sensor signal and determines the speed information for the corresponding vehicle wheel, the primary control device and a further control device receiving the speed information ascertained for analysis in real time, and the control devices making the speed information ascertained available in the form of first sensor data to a central network over a databus for distribution in the vehicle.