Avancerad sökning

Visar resultat 1 - 5 av 9 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Design and Implementation of a Rocket Launcher Hybrid Navigation

    Master-uppsats, KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Författare :Omar Ugolini; [2023]
    Nyckelord :launch vehicle navigation; delayed Kalman filter; strapdown; navigering av bärraketer; fördröjt Kalman-filter; strapdown;

    Sammanfattning : Rocket Factory Augsburg (RFA) a German New Space Startup is developing a three-stage rocket launcher aiming at LEO/SSO orbits. A fundamental responsibility of the GNC team is the development of the rocket navigation algorithm to estimate the attitude, position, and velocity allowing the guidance and control loops to autonomously steer the rocket. LÄS MER

  3. 2. Autonomous Orbit Control with on-board collision risk management

    Master-uppsats, KTH/Rymdteknik

    Författare :Clément Labbe; [2021]
    Nyckelord :Tests; Autonomous Orbit Control; collision risks; station-keeping; control indicators; Tester; autonom bankontroll; kollisionsrisker; manovrer; kontrollindikatorer;

    Sammanfattning : Many satellites have an orbit of reference defined according to their mission. The satellites need therefore to navigate as close as possible to their reference orbit. However, due to external forces, the trajectory of a satellite is disturbed and actions need to be taken. LÄS MER

  4. 3. Path Control for Autonomous Four-Wheel Steered Haulers

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Viktor Gustavsson; [2018]
    Nyckelord :;

    Sammanfattning : Path following control is a fundamental part of vehicle autonomy and over the lastdecades extensive research has been conducted towards the development of moreadvanced algorithms for path control of autonomous vehicles. The primary interestin improving path following control for autonomous vehicles is to be able to reducethe tracking error relative to the vehicle's reference path while also increasing thespeed at which trajectory tracking is possible. LÄS MER

  5. 4. Formation Flying for Quadcopters

    Kandidat-uppsats, KTH/Optimeringslära och systemteori

    Författare :Petra Hesselmar; Kristoffer Brodin; [2015]
    Nyckelord :;

    Sammanfattning : The purpose of this project is to design a control law to control a groupof quadcopters ying in formation in a specied reference track. To describe the movements of a quadcopter a mathematical model, basedon Newton-Euler equations, is formed and linearized into a linear statespacemodel. The control law is then designed by using feedback. LÄS MER

  7. 5. Autonomus Helicopter Landing on a Mobile Platform.

    Kandidat-uppsats, KTH/Optimeringslära och systemteori

    Författare :Rasmus Hansén; Axel Ringh; Victoria Svedberg; Nils Landin; [2011]
    Nyckelord :;

    Sammanfattning : In this thesis we investigate the problem of landing a helicopter autonomously on a mobile platform by designing controllers for the attitude- and translational dynamics in parallel. A mathematical model of the helicopter, in form of general 6-degrees-of-freedom rigid-body dynamics with application-specific actuations, is developed. LÄS MER