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Showing result 1 - 5 of 7 essays matching the above criteria.

1. 1. Design and Evaluation of an Automated Pyro Cutter System for Stratospheric Balloons

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Leia Nummisalo; [2023]
   Keywords : Stratospheric balloons; PCB; Recovery system; CNES; pyro cutter;

   Abstract : This thesis describes the development of an autonomous recovery system for stratospheric balloons, focusing on the novel pressurised balloon prototype BALMAN of CNES. Stratospheric balloons, reaching altitudes of up to 40 km, are utilised for scientific experiments, with recovery of payloads being a critical aspect. READ MORE

3. 2. Development of the UnoSat Platform for stratospheric balloon payloads

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Sebastian Scholz; [2023]
   Keywords : Arduino; Stratospheric balloon;

   Abstract : The UnoSat Platform is a software and 3D structure platform built with Arduino Uno boardsthat allows easier implementation of a satellite project in a 1-n unit CubeSat format. It isdesigned to improve and speed up development of balloon - nanosat projects of the M2 TSImaster. READ MORE

4. 3. Comparative Analysis of Real-Time Industrial Ethernet Protocols : ModbusTCP Protocol Implementation

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Roshni Maniraj; [2022]
   Keywords : Industrial Ethernet; Communication Protocols; Real-time communication protocols; Modbus TCP; EtherNet IP; PROFINET IO; Ethernet Powerlink; EtherCAT®; CC-Link IE; Sercos III; Industriellt Ethernet; kommunikationsprotokoll; kommunikationsprotokoll i realtid; Modbus TCP; EtherNet IP; PROFINET IO; Ethernet Powerlink; EtherCAT®; CC-Link IE; Sercos III;

   Abstract : Industrial Ethernet Communication protocols for Real-Time communication is the focus of research in a variety of different industrial Applications. The subject of thesis study is a comprehensive analysis of Industrial Ethernet protocols used in safety-critical real-time environment, comparing these based on performance, safety, diagnostics and error detection features, topology preference, cost incurred and openness of the protocol. READ MORE

5. 4. Preliminary design of a modular high altitude balloon power distribution system

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Emil Nordqvist; [2020]
   Keywords : Power distribution; Power system; High altitude balloon; Battery technology; Electrical Enigineering; Stratospheric Balloon;

   Abstract : This thesis conducts research into different rechargeable battery technologies and their applicability to the high altitude balloon flights conducted at Esrange space center. The research focuses on the possible use of lithium ion batteries’, sodium ion batteries, nickel metal hydrate, and Metal hydridelithiumion batteries. READ MORE

6. 5. Wind Forecasts Using Large Eddy Simulations for Stratospheric Balloon Applications

   University essay from Luleå tekniska universitet/Rymdteknik

   Author : Ludvig Sjöberg; [2019]
   Keywords : Weather Research and Forecasting Model; Large Eddy Simulation; Microscale Meteorology;

   Abstract : The launch of large stratospheric balloons is highly dependant on the meteorological conditions at ground level, including wind speed. The balloon launch base Esrange Space Center in northern Sweden currently uses forecasts delivered through the Swedish Meteorological and Hydrological Institute to predict opportunities for balloon launches. READ MORE