Autonomous ballistic airdrop of objects from a small fixed-wing unmanned aerial vehicle

SG Mathisen, FS Leira, HH Helgesen, K Gryte… - Autonomous …, 2020 - Springer
Autonomous airdrop is a useful basic operation for a fixed-wing unmanned aerial system.
Being able to deliver an object to a known target position extends operational range without …

Parabolic airdrop trajectory planning for multirotor unmanned aerial vehicles

A Ivanovic, M Orsag - IEEE access, 2022 - ieeexplore.ieee.org
In this paper we present a motion planning method for the parabolic airdrop using multirotor
UAVs. The first step is to determine a set of parabolic trajectories that can reach a desired …

Modeling and control of a steerable cruciform parachute system through experimental testing

S Herrington, J Renzelman, T Fields… - AIAA Scitech 2019 …, 2019 - arc.aiaa.org
Resupply efforts in hard to reach locations often requires the use of precision parachute and
payload systems which can be deployed from high altitude and land close to a …

Koopman operator approach to airdrop mission planning under uncertainty

A Leonard, J Rogers, A Gerlach - Journal of Guidance, Control, and …, 2019 - arc.aiaa.org
Mission planning for ballistic airdrop requires the selection of optimal control inputs under
uncertainty. While significant uncertainty usually exists in airdrop scenarios, current mission …

Approach methods for autonomous precision aerial drop from a small unmanned aerial vehicle

SH Mathisen, V Grindheim, TA Johansen - IFAC-PapersOnLine, 2017 - Elsevier
One of the many basic operations that a fixed-wing unmanned aerial vehicle (UAV) should
master autonomously is to deliver an object to a precise position. Among several possible …

Analytical Solution for Optimal Drogue-to-Main Parachute Transition Altitude for Precision Ballistic Airdrops

AR Gerlach, DB Doman - Journal of Guidance, Control, and Dynamics, 2017 - arc.aiaa.org
During ballistic airdrops, a single discrete control input can be made during the descent of a
bundle to counter the effects of unmodeled physics and disturbances that occur before the …

Probabilistic algorithm for ballistic parachute transition altitude optimization

A Leonard, B Klein, C Jumonville, J Rogers… - Journal of Guidance …, 2017 - arc.aiaa.org
A probabilistic algorithm for the optimization of drogue-to-main parachute transition altitude
is proposed for high-altitude, low-opening ballistic airdrop. In light of the significant effects of …

Where to Drop Sensors from Aerial Robots to Monitor a Surface-Level Phenomenon?

CL Shek, G Shi, AB Asghar… - 2024 American Control …, 2024 - ieeexplore.ieee.org
We consider the problem of routing a team of energy-constrained Unmanned Aerial
Vehicles (UAVs) to deploy sensors for monitoring a surface-level phenomenon in the …

Characterizing the Performance of Transition Altitude Optimization for High Altitude-Low Opening Ballistic Airdrop

AR Gerlach, D Doman, M Henry, S Patel - 24th AIAA Aerodynamic …, 2017 - arc.aiaa.org
Characterizing the Performance of Transition Altitude Optimization for High Altitude-Low
Opening Ballistic Airdrop Page 1 Characterizing the Performance of Transition Altitude …

Vertical wind-tunnel testing of steerable cruciform parachute system

SM Herrington, JT Renzelman, TD Fields… - Journal of Aircraft, 2019 - arc.aiaa.org
This paper presents an experimental approach for testing a steerable cruciform parachute
system using a vertical wind tunnel. A controller to stabilize the canopy heading is …