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Nicholas Hansen

I am currently a Junior at Purdue University, Majoring in Unmanned Aerial Systems (UAS) and minoring in Design and Innovation. I began studding in Fall of 2018 and am on track to graduate in spring of 2020. I am a teaching assistant for Dr. Damon Lercel and William Weldon, and assisting in the AT 109, UAS design and construction and AT 209, Civilian UAS, Classes currently, and I have also assisted in AT 119, UAS inspection and repair, in the past. I am also Vice president for the Purdue Drone Club. I operate for Purdue’s Agricultural Research Center, flying DJI M600s and M200s with RGB, Hyperspectral and LiDAR sensors.

I began flying drones in 2010 with a Parott AR drone and began from there, I started building my own drones in 2012. Since then I have built many different aircraft, from racing multirotors to heavy lift hexicopters, and high performance racing fixed wings. I have also developed a quad tiltrotor vtol and a 3d printed tail sitter vtol. 


Note: This digital portfolio relates to the AT309, AT 219 and AT209 Classes taught at Purdue university. 

Contact me thorough
Professor Joseph Hupy
Email jhupy@purdue.edu

Syllabus

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Setting up a vtol in mission planner

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Introduction Setting up a vertical take off or landing (VTOL) uav is one of the more complex aspects of mission planner, for programming a pix hawk flight controller. The vtol that will be set up in this blog is a 2.5 meter wingspan, custom quad rotor, with all four motors tilting uav. Figure 1. A screen capture of the firmware installation page of mission planner  To begin install arduplane on your pixhawk, using the install firmware page in mission planner, figure 1 shows the pop up window that should appear. Next once the firmware is installed go through each of the settings of the mandatory setup, including the accelerometer calibration, compass calibration and the radio calibration, but skip the servo output for now. The next step is going to the full parameter list under the configuring and tuning tab, and enable Qplane, which stands for quadplane, and allows for all the vtol settings to be shown. Then the frame style and setup has to be configured, these have t...
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DoakBurn (Again)

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 Introduction The goal of this lab was to use ArcGIS Pro to view the various band stacks of orthomosaic imagery and a normalized difference vegetation index (NIVD). The data was collected by Dr.Hupy, William Weldon and Zack Miller, and the data was of a controlled burn with multispectral cameras. Methods The methods of this lab was to look at the areas that were burned and compare them to the areas around them that were not burned. This could be done with RGB, or band stacking for the imagery, which allows the ability to see things that are not able to be seen with the human eye.  Metadata from the Flight Vehicle: Bramor PPX Sensor: Altum Flight Number: 2 Takeoff Time: 12:18 Pm Landing Time: 12:35 Pm Altitude (m): 121 Sensor Angle: NADIR Results  The data collected with the band stacking shows the differences between the pre-burn and post-burn data. Figure 1,2,4,5,6,9 are in a 5,3,2 band stack, meaning the red represents near-infrared, the green represents th...
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Designing a Vtol Mechanism from scratch

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Introduction A project that I have been working on needed a Vertical takeoff or landing (VTOL)  tilt mechanism for the the front 2 motors, so here is how I went about designing and testing it. It can be challenging to hand launch a twin motor plane as you have to worry about both prop disc areas, while managing controls, and adding a vtol system can allow for operations where a wheel based takeoff is not a possibility  The specifications of the propulsion system are a Emax 2213-935KV brushless motor, that spins a 8045 prop, with a spider 20apm opto esc, using a 4 lithium polymer cell battery. This power systems is typically used in quad copters such as a dji flamewheel 450. The servos for tilting the motor varied depending on the design of the tilting mechanism. Figure 1. A dji flamewheel 450 quadcopter, with a propulsion system similar to the VTOL's system Goals  The goals of this project was to be able to develop a vtol tilt system for a uav that ...
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