Sökning: "unmanned helicopter"

Visar resultat 1 - 5 av 22 uppsatser innehållade orden unmanned helicopter.

  1. 1. Antenna measurements of HF antennas using low cost UAVs

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

    Författare :Ruimin Ma; Jinting Zhang; [2023]
    Nyckelord :Antenna; HF; UAV; Radiation Pattern; Antenna; HF; UAV; Strålningsmönster;

    Sammanfattning : High-frequency signal far-field measurement systems usually involve the use of complex and expensive equipment, since the measurements must be made at a distance of multiple wavelengths from the antenna. Helicopter surveyors are commonly utilized. LÄS MER

  3. 2. Tail Rotor Drive System for Unmanned Helicopter : From Concept Generation to Detalied Design

    Master-uppsats, Linköpings universitet/Fluida och mekatroniska system

    Författare :Matko Stokov; [2020]
    Nyckelord :unmanned; helicopter; tail; rotor; rpas;

    Sammanfattning : This thesis concerns the upgrade of APID One RPAS by The MainBase AB. Due to their wish to explore different options for tail drive of current RPAS and future heavier variant, several concepts have been generated and analyzed. Systemic elimination of proposed concepts has resulted with a belt drive transmission. LÄS MER

  4. 3. Utveckling av spridarmekanism för drönarbaserad skogsvård : Från idé till färdigt koncept

    Uppsats för yrkesexamina på grundnivå, Uppsala universitet/Industriell teknik

    Författare :Simon Melin; Victor Appelgren; [2018]
    Nyckelord :CAD; konstruktion; konceptutveckling; produktframtagning;

    Sammanfattning : Within forestry it is common to fertilize approximately 10 years before the final felling of the forest. Forest fertilization increases the volume of the forest and contributes to a better climate and economic gain for the forest owners. Fertilization is mainly performed by using customized spreading tractors or spread by using helicopters. LÄS MER

  5. 4. Construction of a quadrotor platform and an investigation of inertial navigation

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :André Ericsson; Christoffer Cederberg; [2017]
    Nyckelord :quadrotor platform; Technology and Engineering;

    Sammanfattning : The usage and potential usage of unmanned aerial vehicles (UAV) in our society grows rapidly and therefore an interest of how to design such a craft was sparked. The ability of an autonomous flight is valuable in many applications and requires that the craft is equipped with a GPS-module. LÄS MER

  7. 5. MEASUREMENT AND MODELLING OF MULTICOPTER UAS ROTOR BLADE DEFLECTION IN HOVER

    Master-uppsats, KTH/Lättkonstruktioner

    Författare :Nathalie Nowicki; [2016]
    Nyckelord :;

    Sammanfattning : Package deliveries, surveillance and entertainment are all areas where unmanned aerial systems, (UAS), face a growing market. Multicopters, being one of the most popular UAS, can both be bought and built rather easily due to the fairly simple design and low cost. LÄS MER