Lg Electronics Inc.

Honda Motor Co., Ltd.

Jeongkyo Seo

Jaesung Lee

Jinmoo Park

Yongcheol Park

Beomseok Chae

Jihyun Lee

Seonghun Lee

Bongsik Kwak

Sanghak Lee

Nakyeong Kim

Hyunbeom Lee

Gyunghwan Yook

Joonho Park

Byungsang Jung

Sungmin Moon

Kihyun Jung

Jaeyeol Kim

Jaesoon Kwon

Joosung Hwang

Sungkyu Kim

Taewook Kwon

Jungjoon Lee

Inchang Chu

Dohyeon Son

Kyunghwan Kim

Sewook Oh

Yuseung Jeong

Jeongeon Park

Homan Park

Youngchan Cho

Geunseok Jeong

Minho Park

Jinho Youn

Younghwan Kim

Jun Youb Lee

Jinho Choi

Andrew R Hoover

Jason Dutter

Hyoungseok Kim

Juhnho Park

Gyunghwan Yuk

Masashi Hashimoto

Junyoung Lee

Sangju Lee

Kwangmin Yoo

Kwangho An

Jinsup Park

Hyunjai Shim

Yong-Cheol Park

Seokhee Yi

Brandon E Gloss

SooHwan Yim

Inchang Chun

A method in a wireless power transfer system can include, in response to a digital ping initiated by a wireless power transmitter, transmitting to the wireless power transmitter during a ping phase, a response signal. The method can further include transmitting, to the wireless power transmitter during a configuration phase, a configuration packet including first control information related to whether a wireless power receiver supports an authentication function to authenticate the wireless power transmitter; receiving, from the wireless power transmitter during a negotiation phase, a capability packet including second control information and a potential power value of the wireless power transmitter; and transmitting, to the wireless power transmitter during a power transfer phase, an authentication request message.

Device and method for performing authentication in wireless power transmission system

A wireless power transmitter configured to transfer power to a wireless power receiver including primary coils comprising first and second bottom coils placed adjacent to each other in a line and each consisting of a single layer of 11 turns and a top coil stacked on the first and second bottom coils and consisting of a single layer of 12 turns; a shielding; and a full-bridge inverter, wherein the first and second bottom coils and the top coil have a substantially rectangular frame structure with a through hole in the center, wherein the top coil lies on a plane surface in the middle between the first and second bottom coils, wherein a distance from the center of the first and second bottom coils to the center of the top coil is set to a range of 21 mm to 25 mm, wherein the first and second bottom coils have a height of 48 mm to 50 mm and a width of 43 mm to 45 mm, and the through hole in the first and second bottom coils has a height of 25 mm to 27 mm and a width of 21 mm to 23 mm, wherein the top coil has a height of 45 mm to 47 mm and a width of 48.5 mm to 50.5 mm, and the through hole in the top coil has a height of 20 mm to 22 mm and a width of 24.5 mm to 26.5 mm, wherein the first and second bottom coils and the top coil have a thickness of 0.9 mm to 1.3 mm, wherein an amount of power which is transferred is controlled based on an input voltage of the full-bridge inverter, wherein the input voltage has a range of 1 V to 18 V, wherein an operating frequency to control the amount of the power is within a range of 140 kHz to 150 kHz, wherein an assembly of the primary coils and the shielding has a self-inductance value of 11.3 μH, wherein the full-bridge invertor drives a series capacitance, and wherein a value of the series capacitance is 139 nF.

Wireless power transmitter and receiver for vehicle

A wireless power receiver includes a power pickup configured to receive a wireless power from a wireless power transmitter, and a communicator/controller configured to control the wireless power. The wireless power receiver transmits, to the wireless power transmitter during a configuration phase, a configuration packet including an AI flag related to whether the wireless power receiver supports an authentication function, receives, from the wireless power transmitter during a negotiation phase, a capability packet including an AR flag and a potential power value of the wireless power transmitter, wherein the AR flag is related to whether the wireless power transmitter supports the authentication function, and performs a power transfer phase with the wireless power transmitter. The wireless power receiver transmits, to the wireless power transmitter during the power transfer phase, an authentication request message, and receives, from the wireless power transmitter during the power transfer phase, an authentication response message.

A wireless power transmitter configured to transfer power to a wireless power receiver, including a coil assembly comprising first and second bottom coils placed adjacent to each other in a line and each consisting of a single layer of 11 turns and a top coil stacked on the first and second bottom coils and consisting of a single layer of 12 turns; and a full-bridge inverter. The first and second bottom coils and the top coil have a substantially rectangular frame structure with a through hole in the center, wherein the top coil lies on a plane surface in the middle between the first and second bottom coils, a distance from the center of the first and second bottom coils to the center of the top coil is set to a range of 21 mm to 25 mm, the first and second bottom coils have a height of 48 mm to 50 mm and a width of 43 mm to 45 mm, and the through hole in the first and second bottom coils has a height of 25 mm to 27 mm and a width of 21 mm to 23 mm, the top coil has a height of 45 mm to 47 mm and a width of 48.5 mm to 50.5 mm, and the through hole in the top coil has a height of 20 mm to 22 mm and a width of 24.5 mm to 26.5 mm, the first and second bottom coils and the top coil have a thickness of 0.9 mm to 1.3 mm, the wireless power transmitter uses an input voltage of the full-bridge inverter to control an amount of power which is transferred, the input voltage has a range of 1 V to 18 V, wherein an operating frequency to control the amount of the power is within a range of 140 kHz to 150 kHz, and the first and second bottom coils and the top coil have a inductance value within a range of 10.6 &#x3bc;H to 12.0 &#x3bc;H.

A station recognition and a landing method are disclosed. More specifically, an unmanned aerial robot includes a camera sensor configured to capture a first pattern that is marked on a station cover and is used for a station identification and a second pattern that is marked inside a station and is used for a precision landing; a transceiver configured to transmit and receive a radio signal; and a processor functionally connected to the camera sensor and the transceiver, wherein the processor is configured to determine a landing station for landing based on the first pattern captured by the camera sensor, control the transceiver to transmit a radio signal that indicates the landing station to open the station cover, and perform the precision landing at the landing station based on the second pattern of the landing station.

Method of landing unmanned aerial robot through station recognition in unmanned aerial system and device supporting the same

A method of analyzing a propeller status of a wireless aerial robot can include measuring status information related to the propeller status by a sensor of a propeller; determining whether an operation of the propeller is abnormal based on the status information; transmitting the status information and operation information regarding whether an operation of the propeller is abnormal to a control unit using short range wireless communication; and analyzing, by the control unit, a flight status of the wireless aerial robot based on the status information and the operation information regarding whether the operation of the propeller is abnormal.

Method of flying unmanned aerial robot in unmanned aerial system and apparatus for supporting the same

Provided is a method for controlling flight of a drone and an apparatus supporting the same. More specifically, the drone according to the present invention determines whether or not a specific condition is satisfied to deploy a parachute during the flight, and in a case where the specific condition is satisfied, the drone may stop an operation of one or more propellers to deploy the parachute. Next, the drone deploys the parachute, the parachute is deployed toward an area beside the drone, and the flight of the drone may be controlled by adjusting a rotation speed of each of the one or more propellers.

Method for controlling flight of unmanned aerial robot by unmanned aerial system and apparatus supporting the same

The present invention relates to a device and a method for performing authentication in a wireless power transmission system. Disclosed in the present specification is an authentication method in a wireless power transmission system, comprising the steps of: receiving, from a target device, a first packet including indication information related to whether the target device supports an authentication function; transmitting an authentication request message to the target device if the target device supports the authentication function; receiving, from the target device, an authentication response message including a certificate for wireless charging in response to the authentication request message; and confirming the authentication of the target device on the basis of the authentication response message.

Disclosed is a mobile robot having a receiving unit and capable of moving, the mobile robot including: at least three wheels arranged at a lower portion of the mobile robot; a sensing unit configured to measure a weight of the mobile robot applied to each of the at least three wheels; a linear actuator connected to the receiving unit and configured to apply a linear motion to the receiving unit in a direction toward a front section or a rearward section of the mobile robot; and a processor configured to, based on the weight applied to each of the at least three wheels measured by the sensing unit, control the linear actuator so as to apply the linear motion to the receiving unit. In addition, disclosed are a method for controlling a center of mass of a mobile robot, including a method performed by the aforementioned mobile robot, and a non-volatile computer readable storage medium in which a computer program for implementing the aforementioned method is stored.

Method for maintaining stability of mobile robot and mobile robot thereof

Disclosed is a mobile robot including: at least three wheels; a sensing unit configured to measure a weight of the mobile robot applied to each of the three wheels; a support member connected to at least one of the at least three wheels; a length adjustment member connected to the support member so as to adjust a length of the support member; and a processor control the length adjustment member for effectively controlling a center of mass of a mobile robot. In addition, disclosed are a method implemented by the mobile robot to control a center of mass of the mobile robot, and a non-transitory computer readable storage medium in which a computer program for implementing the method for controlling the center of mass of the mobile robot.

Method for controlling mobile robot and mobile robot therefor

A robot system includes a mobile robot provided with a driving wheel and a driving motor, a load cell provided in the mobile robot, a spring connected to the load cell, an auxiliary wheel connected to the spring, and a controller configured to change a speed of the driving motor according to a sensing value of the load cell.

Robot system and control method of the same

The present invention is directed to a method of causing a mobile robot to enter a moving walkway, the method including setting a movement path including a moving walkway, recognizing, by the mobile robot, to enter the moving walkway included in the movement path, adjusting at least one of a speed of the mobile robot and a speed of a step belt of the moving walkway via communication between the mobile robot and the moving walkway, and moving the mobile robot onto the step belt of the moving walkway based on the adjusted speed.

Method for entering mobile robot into moving walkway and mobile robot thereof

A multi-coil based wireless power transmission device is disclosed that includes a primary coil array forming a magnetic coupling with a secondary coil provided in a wireless power reception device to transmit wireless power to the wireless power reception device; a plurality of inverters connected to a plurality of primary coils one-to-one to selectively drive each of the plurality of primary coils; a communication and control unit controlling the plurality of inverters and communication with the wireless power reception device such that at least one primary coil is driven based on the degree of magnetic coupling formed by each primary coil and the secondary coil, thereby determining output, which can be provided by the primary coil array, within a value obtained by summing all the maximum outputs individually set to the respective primary coils.

Multi-coil based wireless power transmission device and method

A communication method of a wireless power receiver for receiving power in a wireless manner, includes generating information of the wireless power receiver based on a load modulation within a slot being allocated to the wireless power receiver while wireless power is received from a wireless power transmitter; receiving the wireless power from to the wireless power transmitter; generating first information of the wireless power receiver based on the load modulation within a first unallocated slot among the plurality of slots, wherein the first information is in collision with second information generated by another wireless power receiver; demodulating a collision related signal of the wireless power transmitter based on a frequency shift keying (FSK); and executing a collision resolution mechanism.

Wireless power transfer method, apparatus and system

According to an embodiment of the present invention, a resonator transmitting power in a resonant mode includes: a first coil having a wire group including three wires arranged in line and alternately extended in first direction and second direction orthogonal to the first direction; and a second coil including three sub-coils and ferrite plates, and the first coil may be stacked adjacent to the second coil, and the first coil may correspond to a resonance coil driven in the resonance mode and the second coil may correspond to an induction coil driven in an induction mode, respectively.

Coil structure of wireless power transmitter

Growing community of inventors

Seoul, South Korea

Jeongkyo Seo