Hewlett Packard Enterprise Development LP

New H3c Technologies Co., Ltd.

Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.

Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Hangzhou H3c Technologies Co., Ltd

Minghui Wang

Hai Hu

Yang Zhang

Pengfei Zhang

Guilin Zhou

Hongyuan Zhang

Ling Kuang

Guangliang Wen

Li Liu

Yun Bj Wang

Xing Xiong

Cheng Fang

Jian Li

Yi Huang

Qiang Li

Ju Wang

Mengting Yu

Bo Juul Pedersen

Quan Liu

Zhenglin Qi

Liyao Zhao

Jianyong Song

Jian Teng

Qinya Cao

Qinglin Wen

Chunlei Xu

Qingwen Wang

Xiyuan Ma

A displaying base plate includes an opening region, an adjacent region surrounding the opening region, and a displaying region surrounding the adjacent region, and the displaying base plate located within the adjacent region includes: a substrate base plate; a flat layer and a passivation layer that are provided on one side of the substrate base plate, wherein the passivation layer is provided on one side of the flat layer that is further away from the substrate base plate, a surface of the one side of the flat layer that is further away from the substrate base plate includes at least an inclined plane adjacent to one side of the opening region, and the flat layer includes a first protrusion provided on the inclined plane; and a first isolating groove that at least partially overlaps with the first protrusion and extends throughout the passivation layer and extends into the first protrusion.

Displaying base plate and fabricating method thereof, and displaying device

A method of manufacturing a display substrate which includes a central display area and an arc-shaped stretch area located at a corner of the central display area, wherein the method includes: preparing a substrate to be etched, which includes a flexible substrate, a stack structure disposed on the flexible substrate, and a last-dry-etched metal layer disposed on a side of the stack structure away from the flexible substrate, the stack structure including an active layer, at least one conductive layer, and a plurality of insulating layers, wherein the last-dry-etched metal layer is a last metal layer that is formed through dry etching; and forming a stretch groove by patterning the substrate to be etched, wherein the stretch groove is disposed in the stretch area and passes through the stack structure and a part of the flexible substrate. A display substrate, a display panel and a display device are further provided.

Display substrate, manufacturing method thereof, display panel, and display device

A power control method and apparatus for a wind power generator. The power control method comprises: predicting, according to historical wind resource data, wind resource data within a predetermined future time period (S); estimating, according to the remaining design lifetime of a wind power generator, the maximum design lifetime allowed to be consumed within the predetermined future time period (S); determining, according to the predicted wind resource data and the estimated maximum design lifetime, optimal output powers of the wind power generator in respective wind velocity ranges within the predetermined future time period (S); and controlling operation of the wind power generator according to the determined optimal output powers of the wind power generator in the respective wind velocity ranges within the predetermined future time period (S).

Power control method and apparatus for wind power generator

The present disclosure provides a method and an apparatus for self-adaption of a cut-out strategy. The method may include: predicting, using a wind speed prediction model, a wind resource parameter of a wind turbine at each machine location; predicting, using a load prediction model, a fatigue load and a limit load of the wind turbine based on the predicted wind resource parameter and an air density; comparing the predicted fatigue load and limit load with a reference load; and determining the cut-out strategy based on a result of the comparison, wherein determining the cut-out strategy includes determining a cut-out wind speed and an output power.

Method and apparatus for self-adaption of a cut-out strategy

A method and a system for controlling a wind turbine based on sectors. Original sectors of the wind turbine are reconstructed based on a wind resource parameter and a wake-flow effect. A load is calculated and superposed for a new sector obtained from the sector reconstruction. An optimization algorithm is applied, under a condition that a constraint condition of a fatigue load is met, to find an operation parameter for maximum power generation amount of the wind turbine.

Method and system for controlling wind turbine based on sectors

A method for forwarding a packet and a switch are provided. The switch receives a packet via a port; when the packet is a layer-2 packet, determines a VSI based on an ID of a MDC to which the port belongs and an ID of a VLAN of the packet, searches for a layer-2 entry stored in a chip where the port is located and matching with the VSI and a destination MAC address of the packet, and forwards the packet based on the layer-2 entry; when the packet is a layer-3 packet, determines a second VRF based on the ID of the MDC and an ID of a first VRF to which the packet belongs, searches for a layer-3 entry stored in the chip and matching with the second VRF and a destination IP address of the packet, and forwards the packet based on the layer-3 entry.

Forwarding packet

Various examples provide a method and apparatus of generating a system port identity. According to the method, a member device may determine a value c which is the number of unit IDs to be allocated to a chip in an interface board of the member device, c is larger than 1; generate a system port identity which identifies a port in the stack for each of plural first ports of the chip using a first unit ID of the c unit IDs; generate a system port identity for each of plural second ports of the chip other than the first ports using a second unit ID of the c unit IDs.

Generating system port identity

A method and device for detecting equivalent load of wind turbine are provided. The method includes: detecting environment data of each wind turbine of multiple wind turbines in wind farm in each detection period; and in each detection period, detecting load of one or more calibration wind turbines in the multiple wind turbines, calculating equivalent load of the calibration wind turbines based on detected load, and determining equivalent load of each wind turbine based on detected environment data of each wind turbine with load estimation model, where load estimation model represents relation between environment data and equivalent load of wind turbine, and before load estimation model is applied in each detection period, parameter of load estimation model is calibrated based on the equivalent load calculated in current detection period and the equivalent load of the calibration wind turbines determined with load estimation model in previous detection period.

Method and device for detecting equivalent load of wind turbine

An I/O board of a VXLAN switch searches out a layer 3 entry; when an egress port in the layer 3 entry is a VXLAN tunnel port, modifies a source MAC address of the packet into a gateway MAC address of the VXLAN switch, modifies a destination MAC address of the packet into a MAC address in the layer 3 entry, and sends the packet to a fabric board of the VXLAN switch. The fabric board determines to perform layer 2 forwarding for the packet, searches out a MAC entry, and when an egress port in the MAC entry is a VXLAN tunnel port, sends the packet to an I/O board associated with the egress port in the MAC entry. The I/O board associated with the egress port adds VXLAN encapsulation to the packet and forwards the packet with the VXLAN encapsulation to a VXLAN.

Packet forwarding

I/O board of VXLAN switch removes first VXLAN encapsulation from a packet, determines to perform layer 3 forwarding for the packet and sends the packet to a fabric board of the VXLAN switch. The fabric board searches out a layer 3 entry matching a destination IP address of the packet from a local layer 3 table, modifies a source MAC address of the packet into a gateway MAC address of the VXLAN switch, modifies a destination MAC address of the packet into a destination MAC address in the layer 3 entry, and when an egress port in the layer 3 entry is a VXLAN tunnel port, sends the modified packet to an I/O board associated with the egress port in the layer 3 entry. The I/O board associated with the egress port receives the packet, adds second VXLAN encapsulation to the packet and forwards the packet to a VXLAN.

I/O board of a VXLAN switch removes VXLAN encapsulation from a packet, determines to perform layer 3 forwarding for the packet and sends the packet to a fabric board of the VXLAN switch. The fabric board determines to perform layer 3 forwarding for the packet, searches out a layer 3 entry matching a destination IP address of the packet from a local layer 3 table, modifies a source MAC address of the packet into a gateway MAC address of the VXLAN switch, modifies a destination MAC address of the packet into a destination MAC address in the layer 3 entry, and when an egress port in the layer 3 entry is a VLAN port, sends the packet to an I/O board associated with the egress port. The I/O board associated with the egress port forwards the packet to a VLAN via the egress port in the layer 3 entry.

A work mode negotiation method is disclosed. A core backbone (CB) device transmits a Mode Negotiate Request packet through an Ethernet port to a port extender (PE) device, wherein the Mode Negotiate Request packet carries a set of identifications of the PE devices for cascade. Next, the CB device receives a Mode Negotiate Reply packet through the Ethernet port sent by the PE device, and transmits a Mode Negotiate Acknowledge packet through the Ethernet port to the PE device. Finally, the CB device changes a current work mode of the Ethernet port from an Ethernet mode to a cascade mode after transmitting the Mode Negotiate Acknowledge packet.

Work mode negotiation

A CB device receives a first packet sent from another device through a stacking port. In response to determining, based on source port information carried in the first packet, that the first packet entered the stacking system from a PE device and the first packet is a non-unicast packet, the switch module performs mirroring processing to the first packet to obtain a mirrored packet, and transmits the first packet and the mirrored packet to a packet buffering module of the CB device. In response to determining that a second packet from the packet buffering module entered the stacking system from the PE device and the second packet is the non-unicast packet, the second packet is forbidden from being forwarded through a first-level stacking port of the CB device.

Packetmirror processing in a stacking system

According to an example, a Port Extender (PE) device is bundled with a Core Backbone (CB) device to prevent a loop in a vertical stack network including the PE device and the CD device.

Preventing a loop in a vertical stack network

Based on an example, a core backbone (CB) device receives via a second-level stacking port connected with a source port extender (PE) device, a packet containing a source port number and a local identifier of a source forwarding chip. The CB device transmits the packet via a second-level stacking port connected with a destination PE device, wherein the packet contains the source port number, a global identifier of the source forwarding chip, a local identifier of a destination forwarding chip and a destination port number.

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Beijing, China

Minghui Wang