In-Orbit Tracking of Resident Space Objects: A Comparison of Monocular and Stereoscopic Vision

Segal, Shai; Gurfil, Pini; Shahid, Kamran

doi:10.1109/taes.2013.120006

Cited by 32 publications

(12 citation statements)

References 22 publications

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“…The control law is based on the sliding model control presented in Segal et al. 22 Define the sliding manifold as where Λ is a positive definite matrix.…”

Section: Attitude Control For Los Trackingmentioning

confidence: 99%

“…For the system model in equation (10) and the sliding manifold in equation (114), the following control torque is introduced 22 where ξ is a small positive scalar specifying the thickness of a boundary layer neighboring the switching surface and χ is a nonnegative constant which depends on the magnitude of the disturbances. 22…”

Section: Attitude Control For Los Trackingmentioning

confidence: 99%

“…The LOS tracking control law in this study is based on a monocular camera and a range sensor, instead of stereoscopic vision. 22…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Guidance, navigation and control for autonomous R-bar proximity operations for geostationary satellites

Wen

Gurfil

2016

Proceedings of the Institution of Mechanical Engineers, Part G:

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R-bar refers to the local vertical axis pointing radially upward in a satellite-fixed reference frame. Approaching a satellite along the R-bar, especially for rendezvous and docking to geostationary satellites, is advantageous in terms of safety considerations and flight time compared to other options. In this paper, a specialized study on autonomous R-bar proximity operations with respect to a geostationary target from a separation of several kilometers to a few hundreds of meters, commonly referred to as the closing phase, is carried out and a comprehensive solution for both attitude and orbit control in this scenario is proposed. An integrative design of the guidance, navigation, and control for R-bar proximity operations is presented. Impulsive R-bar hopping maneuvers are developed for the trajectory guidance. This method is shown to be passively safe and time efficient. The onboard sensors provide measurements of the line-of-sight, range to the target, attitude and angular velocity in the inertial frame. Due to the sensitivity of the sensor’s pointing in the far-range phase, a sliding mode attitude control law is introduced to align the optical axis with the line-of-sight to the target. Sensor measurements are fused and processed by an extended Kalman filter. Simulation results indicate that the proposed integrative guidance, navigation, and control algorithms are robust to uncertainties and noise, and can be used as a comprehensive solution for R-bar rendezvous and docking mission design during the closing phase.

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“…The control law is based on the sliding model control presented in Segal et al. 22 Define the sliding manifold as where Λ is a positive definite matrix.…”

Section: Attitude Control For Los Trackingmentioning

confidence: 99%

Section: Attitude Control For Los Trackingmentioning

confidence: 99%

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Guidance, navigation and control for autonomous R-bar proximity operations for geostationary satellites

Wen

Gurfil

2016

Proceedings of the Institution of Mechanical Engineers, Part G:

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“…Only recently, however, has it been proposed as a mechanism for small satellite proximity operations [4,16,17]. Advantages of stereoscopic imaging for space-based imaging, in comparison with the previously mentioned relative sensing alternatives, include its passive sensing nature and the availability of inexpensive low-power commercial off-the-shelf stereo cameras for small satellite applications.…”

Section: Stereoscopic Visionmentioning

confidence: 99%

Bearings-Only Initial Relative Orbit Determination

LeGrand

DeMars

Pernicka

2015

Journal of Guidance, Control, and Dynamics

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A method for performing bearings-only initial relative orbit determination of a nearby space object in the absence of any information regarding the space object's geometry and relative orbit is presented. To resolve the range ambiguity characteristic of a single optical sensor system, a second optical sensor is included at a known baseline distance on the observing spacecraft. To formulate an initial estimate of the space object's relative orbit and its associated uncertainty, the angle measurements from both sensors are used to bound a region for all possible relative positions of the space object. A parameterized probability distribution in relative position that reflects uniform relative range uncertainty across the bounded region is constructed at two unique times. Linkage of the positional distributions is performed using a second-order relative Lambert solver to formulate a full-state probability density function in relative position and velocity, which can be further refined through processing subsequent measurement data in a Bayesian framework.

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“…Although radio frequency and GNSS receivers are commonly employed in missions implementing formation flying [2], the utilization of on-board cameras remains an appealing choice because considered as a low cost and mainly passive solution, while providing accurate and somehow independent kind source of measurements of the line-of-sight [3] and, in some cases, of the entire relative pose of the observed spacecraft [4]. Further, the technology readiness of space-qualified cameras, as well as of the on-board computers for mid-sized satellites, is mature enough to allow for an on-board implementation of algorithms for the realtime estimation of relative pose among spacecraft [5] [6].…”

Section: Introductionmentioning

confidence: 99%

Image-Based Visual Servoing Control for Spacecraft Formation Flying

Felicetti

Pomares

2020

2020 IEEE Aerospace Conference

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This paper proposes an image-based visual-servoing algorithm that allows for optimal formation control. The proposed distributed controller utilizes visual features of other team members, retrieved from images captured by onboard cameras, to autonomously plan and perform formation acquisition, keeping or reconfiguration maneuvers. The problems of minimization of the control effort is analyzed and the paper proposes an optimal framework for developing controllers that address the issue. The viability of such a technique is explored through numerical simulations.

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In-Orbit Tracking of Resident Space Objects: A Comparison of Monocular and Stereoscopic Vision

Cited by 32 publications

References 22 publications

Guidance, navigation and control for autonomous R-bar proximity operations for geostationary satellites

Guidance, navigation and control for autonomous R-bar proximity operations for geostationary satellites

Bearings-Only Initial Relative Orbit Determination

Image-Based Visual Servoing Control for Spacecraft Formation Flying

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