BR112017008685A2 - sistema de medição inercial para um projétil longitudinal, e, método para correção de ângulo de rolamento. - Google Patents

sistema de medição inercial para um projétil longitudinal, e, método para correção de ângulo de rolamento.

Info

Publication number
BR112017008685A2
BR112017008685A2 BR112017008685-9A BR112017008685A BR112017008685A2 BR 112017008685 A2 BR112017008685 A2 BR 112017008685A2 BR 112017008685 A BR112017008685 A BR 112017008685A BR 112017008685 A2 BR112017008685 A2 BR 112017008685A2
Authority
BR
Brazil
Prior art keywords
rolling
rolling angle
pitch
angle
time points
Prior art date
Application number
BR112017008685-9A
Other languages
English (en)
Other versions
BR112017008685B1 (pt
Inventor
Keith Sheard John
Mark Faulkner Nicholas
Original Assignee
Atlantic Inertial Systems Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atlantic Inertial Systems Limited filed Critical Atlantic Inertial Systems Limited
Publication of BR112017008685A2 publication Critical patent/BR112017008685A2/pt
Publication of BR112017008685B1 publication Critical patent/BR112017008685B1/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
    • G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
    • G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
    • G01C21/183—Compensation of inertial measurements, e.g. for temperature effects
    • G01C21/188—Compensation of inertial measurements, e.g. for temperature effects for accumulated errors, e.g. by coupling inertial systems with absolute positioning systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/34—Direction control systems for self-propelled missiles based on predetermined target position data
    • F41G7/36—Direction control systems for self-propelled missiles based on predetermined target position data using inertial references
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
    • F42B15/01—Arrangements thereon for guidance or control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
    • G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
    • G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
    • G01C21/183—Compensation of inertial measurements, e.g. for temperature effects
    • G01C21/185—Compensation of inertial measurements, e.g. for temperature effects for gravity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
    • G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/10—Simultaneous control of position or course in three dimensions
    • G05D1/107—Simultaneous control of position or course in three dimensions specially adapted for missiles
    • G05D1/108—Simultaneous control of position or course in three dimensions specially adapted for missiles animated with a rolling movement

Abstract

um sistema de medição inercial (200) para um projétil longitudinal que compreende um primeiro giroscópio de rolamento a ser orientado substancialmente paralelo ao eixo geométrico longitudinal do projétil; um segundo giroscópio e um terceiro giroscópio com eixos geométricos dispostos em relação ao giroscópio de rolamento de modo que os mesmos definam um sistema de coordenadas tridimensional. o sistema compreende, ainda, um controlador (225, 250), disposto para: computar uma atitude de projétil atual a partir das saídas do primeiro, segundo e terceiro giroscópios, sendo que a atitude computada compreende um ângulo de rolamento, um ângulo de arfagem e um ângulo de guinada; para pelo menos dois pontos de tempo, comparar os ângulos de arfagem e guinada computados com os valores esperados para os ângulos de arfagem e guinada; para cada um dentre os referidos pelo menos dois pontos de tempo, calcular um erro de ângulo de rolamento com base na diferença entre os ângulos de arfagem e de guinada calculados e os ângulos de arfagem e guinada esperados; calcular uma diferença de erro de ângulo de rolamento entre os referidos pelo menos dois pontos de tempo; calcular o ângulo de rolamento total subtendido entre os referidos pelo menos dois pontos de tempo; calcular um erro de fator de escala de ângulo de rolamento com base na referida diferença de erro de ângulo de rolamento computado e no referido ângulo de rolamento subtendido total; e aplicar o erro de fator de escala de ângulo de rolamento calculado à saída do giroscópio de rolamento.
BR112017008685-9A 2014-10-27 2015-10-27 Sistema de medição inercial para um projétil longitudinal, e, método para correção de ângulo de rolamento BR112017008685B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1419095.3A GB2534833B (en) 2014-10-27 2014-10-27 Inertial navigation system
GB1419095.3 2014-10-27
PCT/GB2015/053216 WO2016067011A1 (en) 2014-10-27 2015-10-27 Inertial navigation system with compensation of roll scale factor error

Publications (2)

Publication Number Publication Date
BR112017008685A2 true BR112017008685A2 (pt) 2018-02-27
BR112017008685B1 BR112017008685B1 (pt) 2022-07-12

Family

ID=52103463

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017008685-9A BR112017008685B1 (pt) 2014-10-27 2015-10-27 Sistema de medição inercial para um projétil longitudinal, e, método para correção de ângulo de rolamento

Country Status (5)

Country Link
US (1) US10539421B2 (pt)
EP (1) EP3213034B1 (pt)
BR (1) BR112017008685B1 (pt)
GB (1) GB2534833B (pt)
WO (1) WO2016067011A1 (pt)

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GB2557882A (en) * 2016-06-20 2018-07-04 Atlantic Inertial Systems Ltd Inertial Navigation System
CN106123894B (zh) * 2016-07-25 2019-07-23 中国科学院电子学研究所 基于干涉条纹匹配的InSAR/INS组合导航方法
GB2565264B (en) * 2017-05-23 2022-03-09 Atlantic Inertial Systems Ltd Inertial navigation system
CN107272723B (zh) * 2017-08-02 2020-06-19 郑州轻工业学院 无人蝶形飞行器五档模糊高度控制方法
CN108592944B (zh) * 2018-03-23 2021-09-10 哈尔滨工程大学 一种利用光源的温度特性补偿光纤陀螺变温标度因数的方法
CN111046499B (zh) * 2019-12-27 2023-08-04 广州中科宇航探索技术有限公司 一种确定速率陀螺安装位置的方法及系统
CN111290423B (zh) * 2020-03-25 2023-04-07 中国人民解放军海军工程大学 一种基于自适应反演的飞行器俯仰角跟踪方法
US11790793B2 (en) * 2021-01-08 2023-10-17 Honeywell International Inc. Systems and methods for model based vehicle navigation
US11781836B2 (en) 2021-03-04 2023-10-10 Honeywell International Inc. Systems and methods for model based inertial navigation for a spinning projectile
CN113642144B (zh) * 2021-06-21 2024-02-09 北京航天飞腾装备技术有限责任公司 一种基于导航与导引头框架角信息的剩余飞行时间解算方法

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Also Published As

Publication number Publication date
EP3213034B1 (en) 2019-08-07
GB201419095D0 (en) 2014-12-10
WO2016067011A1 (en) 2016-05-06
US20170322030A1 (en) 2017-11-09
US10539421B2 (en) 2020-01-21
BR112017008685B1 (pt) 2022-07-12
EP3213034A1 (en) 2017-09-06
GB2534833B (en) 2020-07-01
GB2534833A (en) 2016-08-10

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
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