Essays about: "Johan Fredrik Nilsson"

Found 2 essays containing the words Johan Fredrik Nilsson.

1. 1. Planning semi-autonomous drone photo missions in Google Earth

   University essay from Mittuniversitetet/Avdelningen för data- och systemvetenskap

   Author : Per Johan Fredrik Nilsson; [2017]
   Keywords : Google Earth; Robotics; Pathfinding; A*; Theta*; Path smoothing; Traveling Salesman Problem; Branch-and-Bound; Swift; C ;

   Abstract : This report covers an investigation of the methods and algorithms required to plan and perform semi-autonomous photo missions on Apple iPad devices using data exported from Google Earth. Flight time was to be minimized, taking wind velocity and aircraft performance into account. READ MORE

3. 2. Low temperature Li-ion battery ageing

   University essay from Uppsala universitet/Institutionen för kemi - Ångström

   Author : Johan Fredrik Nilsson; [2014]
   Keywords : Li-ion battery ageing; Li-ion battery aging; LFP graphite;

   Abstract : Different kinds of batteries suit different applications, and consequently several different chemistries exist. In order to better understand the limitations of low temperature performance, a Li-ion battery chemistry normally intended for room temperature use, graphite-Lithium Iron Phosphate, with 1 M LiPF6 ethylene carbonate:diethylene carbonate electrolyte, is here put under testing at -10°C and compared with room temperature cycling performance. READ MORE