Constrained Quaternion Attitude Control of Satellites via Semi-Definite Programming
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| Publicat a: | ProQuest Dissertations and Theses (2025) |
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| 045 | 2 | |b d20250101 |b d20251231 | |
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| 100 | 1 | |a Kashyap, Shavy | |
| 245 | 1 | |a Constrained Quaternion Attitude Control of Satellites via Semi-Definite Programming | |
| 260 | |b ProQuest Dissertations & Theses |c 2025 | ||
| 513 | |a Dissertation/Thesis | ||
| 520 | 3 | |a Spacecraft attitude control is critical for mission success in communication, navigation, and payload safety, requiring maneuvers that respect complex geometric and hardware constraints. Classical quaternion-based PD/PID controllers provide robust unconstrained attitude regulation but lack systematic enforcement of constraints such as sun-avoidance zones and actuator saturation limits.This thesis presents a hybrid control framework that leverages semi-definite programming (SDP) to generate constraint-compliant, globally optimal attitude trajectories offline, integrating keep-in/out cones and actuator bounds via linear matrix inequalities (LMIs). A quaternion-feedback PD regulator then robustly tracks these trajectories in real time, enabling efficient onboard implementation.MATLAB and Simulink simulations demonstrate that the proposed SDP-guided control outperforms classical PD/PID methods by rigorously respecting all constraints and improving maneuver safety and accuracy. The results suggest strong potential for future small-satellite missions requiring high-performance constrained attitude control. | |
| 653 | |a Aerospace engineering | ||
| 653 | |a Engineering | ||
| 653 | |a Mechanical engineering | ||
| 773 | 0 | |t ProQuest Dissertations and Theses |g (2025) | |
| 786 | 0 | |d ProQuest |t ProQuest Dissertations & Theses Global | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3251542377/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3251542377/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |