公开(公告)号：US20250165013A1

公开(公告)日：2025-05-22

申请号：US18946598

申请日：2024-11-13

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Hyo Jung AHN

IPC: G05D1/86 ,  G05D101/15 ,  G05D109/20 ,  G05D111/50

Abstract: A method for detecting anomalies in a swarm system comprises: collecting first movement data from multiple vehicles moving as a swarm in a first scenario; generating first training data based on positioning data and second training data based on multi-channel inertial sensor data from the first movement data; training a first learning model using the first training data and multiple second learning models using the second training data for each vehicle; receiving real-time second movement data from vehicles moving as a swarm in a second scenario; generating first input data based on positioning data from the second movement data; inputting the first input data into the first learning model to detect abnormal vehicles in real-time; generating second input data for abnormal vehicles based on inertial sensor data from the second movement data; and inputting the second input data into the corresponding second learning model to identify abnormal channels in the inertial measurement unit of abnormal vehicles.

公开(公告)号：US20250130118A1

公开(公告)日：2025-04-24

申请号：US18924739

申请日：2024-10-23

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Juwan KIM ,  Sangwoon JEON ,  Gyu Sik CHO ,  Kon Yi HEO

IPC: G01K7/16

Abstract: Provided is a resistance temperature detector (RTD), and in particular, to an RTD that minimizes damage from thermal stress. The present disclosure is to solve the problem of electric wire disconnection caused by thermal stress and minimize damage due to a ferrule in a portion in which the ferrule is mounted.

公开(公告)号：US12280867B2

公开(公告)日：2025-04-22

申请号：US18055807

申请日：2022-11-15

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Jung Jin Lee

IPC: B64C25/58 ,  B64C25/04 ,  B64C25/06 ,  B64C25/32

Abstract: The present disclosure relates to a leaf spring type landing gear mounted on a lower portion of a fuselage of an aircraft, and more particularly, to a leaf spring type landing gear having improved performance for mitigation and absorption of shocks, including: a first frame connected to the fuselage and bent to have a circle center below; a second frame connected to the first frame; and a third frame connected to the second frame and at least partially bent to have a circle center below, wherein the second frame includes a 2-1st frame and a 2-2nd frame having circle centers formed in opposite directions and is formed to be bent in an S shape.

公开(公告)号：US20250100721A1

公开(公告)日：2025-03-27

申请号：US18566393

申请日：2023-06-23

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Jongwon LEE ,  Dae Yeong KIM ,  Choon Woo LEE

IPC: B64G7/00 ,  G01M99/00

Abstract: The disclosure relates to a lunar gravity simulation system for a lander performance test including a plurality of first frames extending in a height direction, a plurality of second frames extending in a horizontal direction, a plurality of third frames extending in a vertical direction, a plurality of movable frames connecting one of the plurality of third frames to another third frame, a plurality of movable bridges mounted on the movable frame and movable along the movable frame in the horizontal direction, a lander holder comprising three or more third frames, wherein the plurality of movable frames and the plurality of movable bridges are arranged between the plurality of third frames and the plurality of movable bridges are simultaneously connected to the lander holder; a connection wire connecting the lander holder to the movable bridge, and a lander connected to the lander holder.

公开(公告)号：US20240353854A1

公开(公告)日：2024-10-24

申请号：US18632489

申请日：2024-04-11

Applicant: Korea Aerospace Research Institute

Inventor： JaeWon Chang ,  Heemin Shin ,  Jangho Lee ,  YongMin Jun

IPC: G05D1/247 ,  G05D109/20 ,  G05D111/10

CPC classification number: G05D1/247 ,  G05D2109/20 ,  G05D2111/10

Abstract: Disclosed is a navigation method and system using color codes. The navigation method according to an embodiment of the present disclosure includes: dividing an aircraft path at a vertiport into a plurality of sub-paths based on a branch point; and selectively combining at least some of the plurality of sub-paths and generating a guiding path for an urban air mobility (UAM) to travel at the vertiport based on a departure point and a destination point scheduled for the UAM.

公开(公告)号：US12099114B2

公开(公告)日：2024-09-24

申请号：US17414815

申请日：2019-11-14

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Dong Hyun Kim

IPC: G01S13/90 ,  G06T5/10 ,  G06T7/11

CPC classification number: G01S13/9011 ,  G01S13/9054 ,  G01S13/9056 ,  G06T5/10 ,  G06T7/11 ,  G06T2207/10044 ,  G06T2207/20021 ,  G06T2207/20056

Abstract: A method according to the present invention comprises the steps of: dividing SAR raw data into one or more sub-aperture data by a predetermined number in an azimuth direction; performing a spectral length extension FFT on the sub-aperture data in the azimuth direction; multiplying the sub-aperture data by a chirp scaling function; performing a range FFT on the sub-aperture data; performing range compression, SRC, and a bulk RCMC on the sub-aperture data; performing an inverse chirp-z transform on the sub-aperture data in a range direction; multiplying the divided sub-aperture data by a predetermined first function; performing an IFFT on the sub-aperture data in the azimuth direction; recombining the sub-aperture data; multiplying the recombined data by a second function and deramping same; performing an azimuth FFT on the recombined data; performing an azimuth IFFT on the recombined data; multiplying the recombined data by a third function and deramping same; performing the azimuth FFT on the recombined data; performing azimuth compression by multiplying the recombined data by a fourth function; performing an azimuth inverse chirp-z transform on the recombined data; and multiplying the recombined data by a fifth function for phase preservation.

公开(公告)号：US20240178420A1

公开(公告)日：2024-05-30

申请号：US18498780

申请日：2023-10-31

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Seungwhan BAEK ,  Young Suk JUNG ,  Kwang Kun PARK ,  I Sang YU ,  Kie Joo CHO

IPC: H01M8/04746 ,  H01M8/04089

CPC classification number: H01M8/04753 ,  H01M8/04104 ,  H01M2250/20

Abstract: Provided is a pressure control device for a liquid hydrogen tank for a hydrogen fuel cell vehicle that includes a fuel cell, a battery, and a drive motor, wherein the liquid hydrogen tank includes a vacuum chamber, an inner chamber inside the vacuum chamber and storing liquid hydrogen therein, and a multi-layered insulation surrounding the inner chamber. The pressure control device includes a liquid hydrogen pump inside a liquid hydrogen section, an expansion valve located downstream of the liquid hydrogen pump, a heat exchanger located downstream of the expansion valve, a first flow path through which liquid hydrogen supplied from the liquid hydrogen pump passes through the heat exchanger and is sprayed into a gaseous hydrogen section, and a second flow path through which the liquid hydrogen supplied from the liquid hydrogen pump sequentially passes through the expansion valve and the heat exchanger and flows.

公开(公告)号：US20240140630A1

公开(公告)日：2024-05-02

申请号：US18328394

申请日：2023-06-02

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Sang Cherl LEE ,  Myeong Shin LEE ,  Jung Hyun LEE ,  Hee Seob KIM

IPC: B64U80/10 ,  B64U80/25 ,  B64U80/40 ,  B64U80/70

CPC classification number: B64U80/10 ,  B64U80/25 ,  B64U80/40 ,  B64U80/70

Abstract: A storage station for unmanned vertical take-off and landing (VTOL) aircrafts includes a storage case (110) for accommodating an unmanned VTOL aircraft therein, a first coupling member (120) having one end pivotably coupled to an inner upper surface of the storage case and the other end protruding out of the storage case by a pivoting operation, and a second coupling member (130) provided at the other end of the first coupling member, in which one end of a main body of the unmanned VTOL aircraft is coupled to the second coupling member, and the second coupling member is rotatable about a rotation axis in a longitudinal direction of the first coupling member, whereby it is possible to provide an advantageous effect of simultaneously storing and charging multiple drones on sides, and it is particularly possible to provide an advantageous effect of charging and storing a large number of drones used in swarm flight technology, which has recently become increasingly useful.

公开(公告)号：US20240132223A1

公开(公告)日：2024-04-25

申请号：US18569791

申请日：2022-08-17

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Hyo Jung AHN

IPC: B64D27/31 ,  B60L50/60 ,  B64C3/18 ,  B64D27/357 ,  H01M50/249 ,  H01M50/298 ,  H01M50/51

CPC classification number: B64D27/31 ,  B60L50/60 ,  B64C3/18 ,  B64D27/357 ,  H01M50/249 ,  H01M50/298 ,  H01M50/51 ,  B60L2200/10 ,  H01M2220/20

Abstract: An electric aircraft according to an embodiment of the present invention comprises: a fuselage equipped with a power means, a front spar and a rear spar extending from the fuselage to an end of a wing, and a plurality of ribs extending from the rear spar to the front spar and coupled to the front spar and the rear spar, in which a plurality of solid state batteries are mounted in a plurality of individual spaces partitioned by the front spar, the rear spar, and the plurality of ribs, respectively, and the front spar and the rear spar are used as members for serial connection of the plurality of solid state batteries, and the plurality of ribs are used as members for parallel connection of the plurality of solid state batteries.

公开(公告)号：US11918781B2

公开(公告)日：2024-03-05

申请号：US17254994

申请日：2019-05-27

Applicant: KOREA AEROSPACE RESEARCH INSTITUTE

Inventor： Poo Min Park ,  Hyung Mo Kim ,  Tae Choon Park ,  Young Seok Kang ,  Jae Sung Huh ,  Doo Yong Lee

IPC: A61M5/168

CPC classification number: A61M5/16877 ,  A61M5/16804 ,  A61M5/16813

Abstract: An infusion flow regulator includes: a main body having an inlet through which fluid is introduced and an outlet through which the fluid is discharged; and a rotary dial rotatably coupled to the main body, with a sealing member interposed therebetween, so as to regulate a flow rate of the fluid, in which the rotary dial includes a regulating flow path having a shape of a recessed groove in cross section with a first width and a first height, and the regulating flow path includes a first region in which the first width is constant and the first height is decreased, and a second region in which both the first width and the first height are decreased. By the aforementioned configuration, the infusion flow regulator for the fluid can accurately regulate the flow rate even in a region where the flow rate of the fluid is very small.