Integration of GPS into a ballistic missile navigation solution

Stubbs, Rodney; Huang, Whittak; Schmitz, Eric

doi:10.2514/6.1997-3695

Cited by 4 publications

(2 citation statements)

References 4 publications

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“…For short duration flights, like that of a ballistic vehicle, the CNS-aided-SINS scheme is envisaged to be more promising in terms of reliability keeping in view its immunity to external interference. 6. Conclusions SINS navigation errors due to initial misalignment and uncompensated sensors' errors can be profoundly reduced by celestial aiding.…”

Section: Cns Aided Sinsmentioning

confidence: 99%

“…To bound the navigation errors external navigation sensors are commonly used to aid INS [4,5]. Global positioning system (GPS) is the most popular and extensively used external sensor used for the purpose [6]. Very precise navigation results can be achieved by optimal fusion of navigation information from INS and global positioning system (GPS).…”

Section: Introductionmentioning

confidence: 99%

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En-route Alignment and Calibration of SINS by Celestial Observation and Distinctiveness of Free Fall Trajectory

Gul¹,

Fang²

2005

2005 Pakistan Section Multitopic Conference

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Celestial observations provide information about angular orientation ofaflight vehicle in inertial space, wherein the distant stars are predetermined reference points infinitely apart from the observer. No information about velocity and position of the observer in inertial space can be extracted from celestial observation alone. Attitude information obtained through celestial observations, however, may be fused with the navigation output of strapdown inertial navigation system (SINS) and the time dependent departure of SINS output due to sensors' errors from the true navigation solution thus can be significantly reduced. During the free fall trajectory accelerometers' biases can be measured and compensatedfor. A scheme for integration of celestial navigation with SINS is discussed and improvement in navigation solution achieved through numerical simulation is presented. A comparison of GPS aided and CNS aided INS is carried out.

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Section: Cns Aided Sinsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

En-route Alignment and Calibration of SINS by Celestial Observation and Distinctiveness of Free Fall Trajectory

Gul¹,

Fang²

2005

2005 Pakistan Section Multitopic Conference

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SINS Augmentation by ANS and Secure Radio Positioning System

Gul

Fang

Khan³

2006

2006 International Conference on Emerging Technologies

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Autonomous disposition of inertial measurements has rendered the Strapdown Inertial Navigation System (SINS) the system of choice for navigation. The SINS, however, suffers from long term error growth. Significant part of the error growth rate is dependent on the inertial sensors biases and initial misalignment. In view of the unavoidable sensors imperfections, it has been established that SINS has to be periodically corrected for the errors mounted up over periods of time. Global Positioning System (GPS) is the most popular system extensively used for the purpose. Reliability of GPS dependent system is compromised because of its vulnerability to external interference. An SINS augmentation scheme comprising Astronavigation System (ANS) and Secure Radio Positioning System (SRPS) is proposed. The proposed scheme has the potential to address the issue for specific missions with enhanced level of reliability.

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Alternate of GPS for Ballistic Vehicle Navigation

Gul

Fang

2006 1st International Symposium on Systems and Control in Aerospace and Astronautics

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Integration of GPS into a ballistic missile navigation solution

Cited by 4 publications

References 4 publications

En-route Alignment and Calibration of SINS by Celestial Observation and Distinctiveness of Free Fall Trajectory

En-route Alignment and Calibration of SINS by Celestial Observation and Distinctiveness of Free Fall Trajectory

SINS Augmentation by ANS and Secure Radio Positioning System

Alternate of GPS for Ballistic Vehicle Navigation

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