Eaton Corporation

Shenzhen Cimc-Tianda Airport Support Ltd.

China International Marine Containers (Group) Ltd.

Huawei Technologies Co., Limited

China International Marine Containers (Group) Co., Ltd.

Eaton Manufacturing LP, Glasgow Succursale, De Morges

China International Marine Containers Co., Ltd.

Yuefeng Yang

Yuehui Li

Wei Xiang

Jun Li

Wei Li

Jack Gu

Haibin Wang

Zhaohong Zhang

Lan Deng

Huali Zhang

Haiqiu Liu

Lei Shi

Yilei Gu

Shaomin Chang

Binglin Xu

Haijiao Ji

Kunfeng Li

Denis Deng

Chongjun Chen

Xudong Lv

Mingyi Dai

A machine vision-based method and system for aircraft docking guidance and aircraft type identification, comprising: S1: a monitoring scenario is divided into different information processing function areas; S2: a captured image is pre-processed; S3: the engine and the front wheel of an aircraft are identified in the image, so as to confirm that the aircraft has appeared in the image; S4: continuous tracking and real-time updating are performed on the image of the engine and the front wheel of the aircraft captured in step S3; S5: real-time positioning of the aircraft is implemented and the degree of deviation of the aircraft with respect to a guide line and the distance with respect to a stop line are accurately determined; S6: the degree of deviation of the aircraft with respect to the guide line and the distance with respect to the stop line of step S5 are outputted and displayed.

Machine vision-based method and system for aircraft docking guidance and aircraft type identification

A system and method for aircraft docking guidance and aircraft type identification. The method is executed in the system for aircraft docking guidance and aircraft type identification comprising a machine vision sub-system, a laser scanning sub-system and a fusion module. The method includes: in step, obtaining, by the machine vision sub-system, an image via image capturing means, and calculating a first aircraft front wheel position therefrom; in step, obtaining, by the laser scanning sub-system, the position of the nose of an aircraft via laser scanning means, and calculating a second aircraft front wheel position; in step, fusing the first aircraft front wheel position and the second aircraft front wheel position according to a fusion rule, to obtain deviation of an aircraft front wheel.

System and method for aircraft docking guidance and aircraft type identification

The present invention provides a line interactive UPS, which comprises an AC input, an AC output, a chargeable and dischargeable device, a DC/AC inverter, a rectifying circuit, a full-bridge inverter, a capacitor, a switch, a charger, a boost circuit and a rectifying and buck circuit. An output of the boost circuit is connected to an input of the full-bridge inverter. The rectifying and buck circuit is controlled to provide a rectified output or a rectified and voltage-decreased output. An input of the rectifying and buck circuit is connected to the AC input. The rectifying and buck circuit is operative to provide a pulsating DC to the boost circuit or the full-bridge inverter. The line interactive UPS of the present invention can provide a stable AC to the AC output and has the advantages of small size and low cost.

Line interactive UPS

An uninterruptible power supply (UPS) includes a rectifier circuit coupled to an AC input and configured to produce a DC voltage between first and second DC buses, an inverter circuit coupled to the first and second DC buses and configured to produce an AC voltage at the AC output. The UPS further includes an auxiliary power circuit comprising third and fourth DC buses configured to be coupled to a DC power source and third and fourth capacitors coupled between respective ones of the third and fourth DC buses and the neutral and respective first and second switches configured to couple and decouple respective ones of the third and fourth DC buses to and from respective ones of the first and second DC buses. The third and fourth capacitors may have capacitances greater than capacitances of the first and second capacitors.

Online uninterruptible power supply topology

The present invention discloses an interleaved LLC convertor with current sharing. The interleaved LLC convertor with current sharing comprises: an interleaved LLC circuit, consisting of an even number of LLC circuits connected in parallel; and a plurality of windings with the same quantity as that of the LLC circuits, wherein all first polarization terminals from each of LLC circuits at its DC output side together constitute a first output terminal; all first terminals from each of the windings together constitute a second output terminal; a first half of the plurality of windings surround a magnetic core in a first direction, and a second half of the plurality of windings surround the magnetic core in a second direction; each of the plurality of windings has the same inductance, and the first half of the plurality of windings are inversely coupled with the second half of the plurality of windings; and the second polarization terminal of each LLC circuit at its DC output side connects to a second terminal of one of the windings.

Interleaved LLC current equalizing converter

A direct current to direct current (DC/DC) converter includes a resonant converter stage, a buck stage, and a processor apparatus. The resonant converter stage includes a bridge circuit. The buck stage is configured to output an output voltage and an output current, is electrically connected in series with the resonant converter stage, and includes a buck switch. The processor apparatus is configured to sense the output voltage and the output current, and, based on the sensed output voltage and the sensed output current, to perform one of: (a) fixing a switching frequency of the bridge circuit to a predetermined maximum switching frequency and controlling the output voltage by controlling a duty cycle of the buck switch, and (b) fixing the duty cycle of the buck switch to a predetermined duty cycle and controlling the output voltage by controlling the switching frequency of the bridge circuit.

DC/DC converter with resonant converter stage and buck stage and method of controlling the same

A joint equipment of a boarding bridge is provided, which is suitable for joining with a downwardly turned boarding gate of the aircraft and includes a floor frame having a concave notch at its front end; a first floor arranged at the opening of the concave notch; a sliding plate arranged under the first floor and slidable with respect to the first floor through a slide device arranged under the sliding plate; a joining plate rotatably connected in the front end of the sliding plate; a pair of front cover plates rotatably connected to the joining plate respectively; a pair of rear cover plates rotatably connected to the first floor, wherein the front cover plates are partly lapped over the rear cover plates respectively; an activating device for operating sliding movement of the sliding plate; and a pair of turning mechanisms for turning the pairs of the front and the rear cover plates respectively with respect to the joining plate and the first floor.

Joint equipment and boarding bridge having the same

A videoconferencing service operating method and the videoconferencing service system thereof in which Multipoint Control Units communicate with videoconferencing terminals through a communication network is disclosed in this invention, it is characterized that through a computer network, MCUs are connected with a service center that accepts and processes videoconferencing service request, dispatches MCUs resource, manages centrally and drives videoconferencing service. A service center that is used in the said videoconferencing service operating method and system includes a Web server that receives a subscriber service request on a network, a service-processing module that receives subscriber messages sent centrally by the said Web server and dispatches MCUs resources on the computer network.

Videoconferencing service system, videoconferencing service operating method and service center

Growing community of inventors

Shenzhen, China

Yuefeng Yang