High-Power Propulsion Strategies for Aquatic Take-off in Robotics
| Autor: | M. Kovac, Robert Siddall, Grant Kennedy |
|---|---|
| Přispěvatelé: | Engineering & Physical Science Research Council (EPSRC), Office Of Naval Research (USA) |
| Rok vydání: | 2017 |
| Předmět: |
Propellant
Technology 0209 industrial biotechnology Science & Technology business.industry Robotics Thrust 02 engineering and technology DRIVEN Propulsion 021001 nanoscience & nanotechnology Solid fuel 020901 industrial engineering & automation Inflatable Robot Environmental science Artificial intelligence Combustion chamber Aerospace engineering 0210 nano-technology business |
| Zdroj: | Springer Proceedings in Advanced Robotics ISBN: 9783319515311 ISRR (1) International Symposium on Robotics Research 2015 |
| DOI: | 10.1007/978-3-319-51532-8_1 |
| Popis: | The ability to move between air and water with miniature robots would allow distributed water sampling and monitoring of a variety of unstructured marine environments, such as coral reefs and coastal areas. To enable such applications, we are developing a new class of aerial-aquatic robots, called Aquatic Micro Aerial Vehicles (AquaMAVs), capable of diving into the water and returning to flight. One of the main challenges in the development of an AquaMAV is the provision of sufficient power density for take-off from the water. In this paper, we present a novel system for powerful, repeatable aquatic escape using acetylene explosions in a 34 gram water jet thruster, which expels water collected from its environment as propellant. We overcome the miniaturisation problems of combustible fuel control and storage by generating acetylene gas from solid calcium carbide, which is reacted with enviromental water. The produced gas is then combusted in air in a valveless combustion chamber to produce over 20N of thrust, sufficient to propel small robots into the air from water. The system for producing combustible gases from solid fuels is a very compact means of gas storage, and can be applied to other forms of pneumatic actuation and inflatable structure deployment. |
| Databáze: | OpenAIRE |
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