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1. (WO2019061083) SYSTEM AND METHOD FOR DETERMINING AIRSPEED
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Pub. No.: WO/2019/061083 International Application No.: PCT/CN2017/103725
Publication Date: 04.04.2019 International Filing Date: 27.09.2017
IPC:
G01C 21/20 (2006.01) ,G01C 21/18 (2006.01)
G PHYSICS
01
MEASURING; TESTING
C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
21
Navigation; Navigational instruments not provided for in groups G01C1/-G01C19/104
20
Instruments for performing navigational calculations
G PHYSICS
01
MEASURING; TESTING
C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
21
Navigation; Navigational instruments not provided for in groups G01C1/-G01C19/104
10
by using measurement of speed or acceleration
12
executed aboard the object being navigated; Dead reckoning
16
by integrating acceleration or speed, i.e. inertial navigation
18
Stabilised platforms, e.g. by gyroscope
Applicants:
SZ DJI TECHNOLOGY CO. , LTD. [CN/CN]; 6F, HKUST SZ IER BLdg. No. 9 Yuexing 1st Rd. Hi-Tech Park (South), Nanshan District Shenzhen, Guangdong 518057, CN
Inventors:
ZHANG, Fu; CN
SHANG, Zhimeng; CN
Agent:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO. , LTD.; 9F, Rongqun Building No. 83 Longguan East Rd. Longhua New Dist. Shenzhen, Guangdong 518109, CN
Priority Data:
Title (EN) SYSTEM AND METHOD FOR DETERMINING AIRSPEED
(FR) SYSTÈME ET PROCÉDÉ DE DÉTERMINATION DE VITESSE AÉRODYNAMIQUE
Abstract:
(EN) A method of determining airspeed of a movable object (100) includes a calibration process to determine a relationship between forces exerted on the movable object (100) and airspeed of the movable object (100). Forces exerted on the movable object(100) while the movable object(100) is moving are determined, and the airspeed of the movable object(100) is determined based on the determined forces and the relationship.
(FR) L'invention concerne un procédé de détermination de la vitesse aérodynamique d'un objet mobile (100), qui comprend un processus d'étalonnage pouvant déterminer une relation entre des forces exercées sur l'objet mobile (100) et la vitesse aérodynamique de l'objet mobile (100). Des forces exercées sur l'objet mobile (100) pendant le déplacement de l'objet mobile (100) sont déterminées, et la vitesse aérodynamique de l'objet mobile (100) est déterminée sur la base des forces déterminées et de la relation.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)