Awards & Nominations
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Global Nominee
ARQUIMEDES device
High-Level Project Summary
The ARQUIMEDES device is a versatile, fast-acting mechanical separation device that has several applications in the field of space exploration. For example, a parachute reef line separation, a cable, rocket release stages, satellites, among others. Unlike pyrotechnic devices, it has greater safety and smoothness in separation. This device can be developed in different sizes and with different load capacities. It is completely mechanical and allows for several ways of activation. Once activated, it does not release any type of particle or residue into space, one of the great advantages of this device is its reuse and the possibility of carrying out tests on projects that will use it.
Link to Project "Demo"
Link to Final Project
Detailed Project Description
The separation of two bodies that are joined and generating opposing forces creates a great challenge when we think about mechanically separating them with a certain speed and low effort, this is due to the friction that is generated in the components due to the high demand to keep them united. Our team to solve this challenge was inspired by the three-ring release system developed by Bill Booth in the late 1970's Figure 01, this system is now used by skydivers to release their parachutes in case of emergency. This system works with the principle of the lever and mechanical hook, which is the same principle that we used to develop ARQUIMEDES.
Figure 01 - Three-ring release system
Source [wikipedia]
The ARQUIMEDES device can be used alone or combined to support larger loads Figure 02. It is very versatile in terms of activation, in addition to having the possibility of being manually activated, it allows you to couple various accessories to its trigger, these accessories can act on the activation through of solenoids, electric motors or pneumatic pistons.
Altogether, the ARQUIMEDES device hopes to provide space exploration activities with more safety and smoothness in the separation of parts, being fully reusable and zero pollution.
Figure 02 - Mounting Types
Space Agency Data
Throughout our project, we use NASA imagery to demonstrate the evolution of space travel. Mainly the images of the Apollo missions, which made possible one of the greatest achievements of humanity which was the landing on the moon.
Hackathon Journey
Our team had an enriching experience. The database is vast, the commands are precise and the interface is clear and straightforward.
Interacting in real time with different groups and all the support available in different segments within the platform, was certainly a very fruitful learning experience in the preparation of this project.
We are inspired to contribute to providing greater safety and reliability for these separation-of-body events in space travel, and thereby reduce the likelihood of mission failures. With the rapid growth of our technology, space is increasingly accessible and it is essential that we have total security to explore more and more.
Figure 03 - Space missions
Source [NASA]
Our project approach can be divided into 5 steps:
The first step was to understand the physics of the system, the ARQUIMEDES device uses the lever principle to reduce efforts and provide a smooth drive. We can see in Figure 04 this reduction. The system reduces the load on the trigger trigger by 97.3% of the load used. Using the maximum load for this configuration of ARQUIMEDES, which is 400N (40kg), the force on the trigger to activate it will be only 1.62N (0.162Kg). 
Figure 04 - Physics of the system
The second step was to define which components the device would have, we can see them in Figures 05, 06 and 07.
Figure 05 - Device components
Figure 06 - Device components
Figure 07 - Specifications
In the third step, we verified the strength of the most critical components of the system using FEA finite element analysis. The material used was titanium Ti6Al4V, with a load of 400N, all components supported the load without entering the flow region.
Figure 08 - Finite element analysis
The fourth step in our approach was to verify the system's operating sequence. The device when triggered triggers a cascade sequence, this whole process takes less than 1 second to separate the two parts.
Figure 09 - Device operation
In the fifth step, we worked on the construction of a prototype for verification and validation of the device functionality Figure 10. The prototype was developed in 3:1 scale using 3D printing technology FDM (Fused Deposition Modeling). The material used was PLA.
Figure 10 - 3D printing prototype
Our team solved the setbacks and challenges looking for information in academic studies, in projects already developed in our professional experience and we solved doubts with the professionals made available by the platform.
We would like to thank you for the opportunity to participate in an event of this magnitude, and in particular, we want to thank Mr. Marco Linhares, organizer Nasa International Space Apps Challenge Campinas/SP Brazil. That, from the first contact, he was enthusiastic, encouraging and motivating. Marco conducted the preparatory week very well, doing enlightening lives and making himself available throughout the event, presenting quick and efficient solutions to any doubts that arose.
References
To develop this project, our team used the following resources:
For 3D modeling of mechanical parts we use SolidWorks software;
In the rendering and editing of videos, we use Blender software;
And for 3D printing we use the Cura software.
Tags
#Mars #EscapeRoom #Communication #Collaboration #ProblemSolving #Immersive #Experience #Gameworld
Global Judging
This project has been submitted for consideration during the Judging process.