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UPSat - the first open source satellite

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and this is the the the torques called up that the 1st of the 1st satellite so I'll just fall back a little bit before I was born uh there was a situation where a B freak out half of the world can the other half of the world had a big party today you could send that people from our space down to the world without sent an open-source satellite the here I give you here of power by the US With this talk gives me a warm welcome formally is thank you and this it no but my name is beautiful but there's and and and we're here to talk about the pops up where you be saddled groups it's gonna be a but if the history of the satellite itself how we got started and hold you know what what other studies to create an open source of the light In the process of doing so and why we did that then what do we want to do more and I wanted to another projects I see but because it
is uh many of the Space Foundation project then we are also members of the MySpace Foundation and NSF you MySpace Foundation is a non-profit organization designed to could it are open source technologies in space but includes satellites what we collapsed in the in the space industry both the downstream and midstream obligations and now gonna be having a dog right after hours here about such notes so far from the coast which is the gun station at work that we built up with this presentation to so how it how it all
started speed was at 2012 and then from money Institute of Food dynamics and builds zoom I set out to create and the busses projects I'm which was to be 50 and to be 50 the concept is basically this and that is a central of is not in the science part of many satellites and it's making a call out to all different academic institutions and research institutions universities but to create a satellite around the sensor and and help you along this process mainly with securing you along its which is supercritical and getting a satellite in space and but also a bit of guidance on the science itself because every satellite needs a reason to be up there and science a isn't good enough actually and so what we started
with and then what every project of QB 50 started with was basically a sensor on the sensor the specifics of it is basically an mn being more the need like gum what probe which practically a is used to measure plasma concentrations on the thermosphere as part of the atmosphere and von Karman Institute I would like to do some more science around modeling this part of the atmosphere in the thermosphere and end they build many designed and built many different US Census around so basically you you got started with 1 of those so area in 2012 they opened up and applications for different universities to come in and build satellites around the sensors and and the concept was that in in Greece 1 of the university's university of Part us from Minnesota got accepted thing plant 2015 arts 40 years ago and to create 1 of the sample it's 1 of the 50 satellites and while most if not all of you I you refused satellites went in a way which was picked that that this amounted foot cube sets and then by the way cube sets are small satellites it's of the form factor in this is the form factor would you can see here and so so most of the universities in the Committee's to program I went on that is in the way of I'm just going out and buying off the modules and assembling a satellite is it quite going market of comments on and off the self components to buy in curriculum satellite but this is their cost the road to go down but it's also there and non-excludability and on innovative due to go down and to the credit the universe the father said well of we're not gonna be you know buying components from here there we're gonna be designing a satellite from scratch and from scratch and that's actually quite the quite as a starting point and the advent of 2 to go down to an end Due to bodies different reasons financier organizational reasons and reasons within the university itself like material title things but you always have and they would not really able to progress with the building of a settlement so at some point and then that was late 2015 ionic December 2015 are they pick up the phone and called Bubastis Foundation and they said well initially the 1 at the ground station and then after the gun stationary game different components of the itself and 1 thing led to another and finally we were building the holes and electrons cuts because most of the datasets that was done around the southern led up until that point was not usable a while when we 1st there got the call about beating the satellite we asked well how much time do we have and they said well 6 months
and for those of you that know like they're dying of in space projects and time frame that space for a further set involved and 6 months is pretty much nothing at most of their cube sets are you know like really small satellites settings got to you know really blood so the let's take a couple of years at least in development and then modification and then actually getting a space so 0 when they told us 6 months we're elect and year that's in like yeah but I let let let us get back to you on that and in that the fact is that there is a hotbed language use the lungs itself like this it to waiting for you what almost like this and then you have to allow you to meet those deadlines right and then we sat down together with the rest of the before Sunday's and like the whole team and we said well we might not be getting it sounds to build opens subset satellite from Scats anytime soon so you know what the hell let's let's do it so long yeah started with 30 so timeframe Our what the responsible sending it still is Jake if there is anything out there and that we can use or take you know knowledge from abstracts and best practices and how we can really takes that the effort of creating a satellite so we went and favorite said sensing and I've been well what than so satellite Laura documentation about cube sets over how do I build a satellite or more complicated questions like this and what we
do what we found out is that where there were a couple of groups that are in the past couple of years that have tried to do things in the open not city open source in the licensing aspect of things are starting with uh the set wits claimed to be open source but unfortunately it was not upon the only thing it was open source was the part that was executing adding a code are while in orbit like none of the hardware and none of the software in underlying the mission itself then we had the orbital satellite in the city of satellite that was never never really but it's not placid accommodation it was not licensed as an open source you know in the typical sense that we've we've come gone accustomed to like to be a license or whatever of this and they were like some guidelines about what you should be careful in what you should do that nothing more than that and then on subgroups specifically onset and the US and North America and answered is the there are satellite and groups and that that of creating satellites formatted radio you sets and meaning have done things in the past and published them in invite different formats on papers and proceedings in conferences and congresses and that that's really far away from open source blasts are due to write the articulations that that's expert the Galicians from US it was really hard to actually use or even get a hold of those paper proceedings from conferences so if and then a couple of other things like us we stupid which example done right and that have published extremely well recommendation about the product itself but still the actual schematics for the hardware all the actual code of the software was completely missing so we
said well yeah not really like is nothing you know completely open so that we can reuse or build upon so we started the design everything from scratch
of and we had to take care of many mechanical considerations around this science and payload itself you can see the science payload on the left side to go the full for probes follow the don't the sides and then as you move your way up to 2 units cubes out like this so 10 by 10 centimeters by 20 in height our then you can find the electrical about system that's the PPS then the attitude determination and control that understands what is so the ladies and how its position and tries to control that are then the board computer which is the heart of the satellite itself with the imaging unit but they're aII uh a seed e modes in acquisition component everything in space has been fancy acronyms although this is the common and and then there moved their communication subsystem the GPS of system that then unemployment give structure itself as you can see here on the mock-up of the sample so something to do with the target of design on the satellite itself then went down into
the and kind of in bodily into the electrical and electronics side of things and this is the main diagram of how the different components communicate with each other how we try to stay as relevant in and as up to their the latest developments around microcontrollers and our best practices around them as we can be which is not typical for the space industry like the default for space in the city's if it works you never change it and that's how you end up running the code that has been evident that the years ago for McMichael under that would designed 50 years ago and so we remain on my control is the stands at the 2 art is different flavors of it depending on the system and then you would have the bottom lines and all the communications among the uh the esteem so are themselves and that's how you end up with the master plan about our whole you know you get the building of settlements and then we had to start from something in terms of the physical form of the Sutherland itself
and as this was developed in the hackerspace assessing introduce you to the independent quickly something that you can see right of meaning so and that was the 1st week of development like we would have to start from something and be able to communicate with their where whether we meant this at minus side and then left to the x y side it's much more in a usable to and actually have a mock up like a model that you can point to and then
along the way how we have to discover a lot of the processes and in the reading through HMD recommendations and trying to figure out the standards and how you know like big so the letter build and we designed many things so I and discover them from scratch starting from a clean room procedures for a clean these procedures and to also you know how you integrate and start building things uh that have a physical form you are in a sense of
a satellite and Ghazali over the course of the you know weeks and weeks seen weeks out on many of the things we're starting to be developed much more efficiently and trying to work it out it as a team like really uh in it has paralyzed way as possible given the release of times and that we had ah
moon and then quickly 1 thing led to another in terms of the design and we were able to produce the half fast and then instead of approaches on the open hardware side of things like the other side of things and so we used the CAD for heard the EDA for the schematics and the components themselves and and the bullets were designed and then in the CAD outermost extend for the structure itself and some of the analysis around it and finally still thinks moved rather quickly
on and you can see the progress here within only a month of war probably less in in this case where on the right side you can see what we call an engineering model to engineering model would be a board that is not meant to be in space but it's meant to be staying here around your engineers and actually you you quickly they defined what you do and and some of the components change some of the arms manufacturing processes chains and less restrictive than the actual flight model which you can see on there on the left side and this is the exact the exact same board with exams is sacred the same functionality try that's the electrical and system the EBS
and then the satellites to take form by itself and we need to build and and find out how do even though the getting case like the case that we can kind of a satellite around 4 different testing but was on or even for doing but no tests and everything else and and that involved a lot of back-and-forth so we build something and then didn't work over the weekend we would build it and die due to make use of the hackerspace that that we we're operating out of that's the height of space the TI in Athens Greece I wanted to get access to as much our materials and and and tools that we could die that we could in order to progress as fast as possible are 1 of those
things was that uh do during bodies different phases of this other satellite integration are you actually need and uh cycling books like something that is clean enough binary to are simply a satellite and so basically here you can see that in books that we designed and built how we're looking around for different universe practice around that again 0 open source of the commended this concern around around it but we where I mean you know and like enough to have enough people to be able to concentrate on that and create something that was actually usable and so the key and books and
then something modifications are when we 1st about the the components is to make sure that nothing you know is off the that's not you can see the bottom defining the comes our platform really sitting up there um when it 1st got arm operated and then 1 critical
component in order to do fast paced and in as open as possible procedure of creating a satellite is to be able to give you especially on the softer side of things given the ability to work on the hardwood as as fast and as the as direct as possible so 1 thing was about to do was that we created more engineering models that were distributed to all the core members of the Engineering sort of engineering team so that the were able to quickly verify our the code in real our in real hardware so you can see here 1 of the engineering stocks on that was given to the engineering plane while doing that
keeping everything in the open like we defaulted to open and publishing everything from scouts are from the day 1 which is how the public good was abilities are and would code there and taking everything there because 1 thing that we found out is that many people say that the the publishing things along the way and maybe the dual sometimes found the down the road and but it's completely different in terms of how the mentality that it creates for the engineers and the other things the working together to get everything public the de from the 0 on people are the product is a is the that divides visibility and it gives so much that the the history of the project so you can see what the mistakes were made and and what not and in the
process of but almost computing the satellite we had to create a better command and control capability itself and that's built on top of such nodes you could be hearing about sat in the next book that's the ground station at work that we have on and again trying to stay as modular as possible so that other missions can I use this are so
here's a couple for the about their last integration steps of the satellite in in the local
hackerspace here we are honor of the vibrationally distance in that unfortunately we couldn't build of additional table table of ourselves although this silence that there was except for the next lecture and moon and you can see this other letting the air in the provision our books side to be tested on 1 of the axes come in
here is a viking contained the are that does this that model and testing so basically are you put something in there this vacuum generated by inside the I the books itself and then the thermal cycles that you go through so plus 40 degrees of Celsius minus 20 degrees celsius and that again and again simulating as much as you can and that the space environment and we build that also from scouts as we couldn't have access to a facility like this
and that's the so the light right after the pheromone by contesting online and
then unfortunately we couldn't Ballymena quick-tempered like this because that's quite hits in this image that a facility in mind is that we got access our I should the need arise now so that's good as and and there I mean we got access to rule to do some testing around
the electromagnetic compatibility and there would about taking the fairness among the components are so this is my notice are happy things in here that the art of components of the WoT as predicted the and those of the finally pictures of
the satellite Italy a day before it was delivered and to today and launch a coordinator and that then it can be integrated into the deployed as we were going to be
saying so this is a photo of the ASR and they basically leaving the satellite to the big clean room of the integrator with some final thoughts in the satellite
itself 1 of the science components have to be integrated and at the end of it and
this is the official peaks of the ability of the satellite and that happened almost 2 16 and from that point you just wait and there's nothing you can do you have the review satellites you waiting for others other let's the coming get the there'd be are integrated are inside the
deployer books which is basically an aluminum books with of the spinning on 1 side and the door on the other side and that gets in space the door opens the spring forces the satellites out and that's the deployment as nothing more fancy around it so you can see in the UP sort on the left side and then Betty see the next cubes centered expositor France as the later funded 0 4 our from and give me 50 program also so that happens all ghost and them but 2016 and then once everything is integrated they have to be exported to US get into the arms of the very of spacecraft to the International Space Station that was procedure we would we would be delivered to the international space station and once we got there we would be deployed from the i assess the waiting and were waiting and for those of you that have been falling space of acceleration in space and time schedules i'd can be really frustrating click 1 thing led to another and there's always the ladies in the lungs and everything else but the mother moment came
our mind that happened on the 17th of May 2 thousand and some of the 20 17 so this year basically and so we were waiting for almost 8 months basically and due to get to see the latent space and once you are in space then you have to wait another month know to be deployed out of
the assess that the magical moment of
deployment you can see the people at the opening and closing the face of the lights up
about words the first one would be our satellite and then to others following
awful and that on new to the glorious bundles of solar panels suffices
to sort realize that on
hand and then you wait for again but this time you wait for a cell at time and you have to wait for basically that the minutes the state that once you deployed from my assess you have to set down everything for 30 minutes and then stopped the uplink of writing in a kind of additional more because you have to be far away enough far away from the ACS itself minority not interfere with anything which is a human-rated environment the astronauts actually sense and you would want to upset that they're that but I'm so we have that globally dances in network so a scheduling policies of the predicted position of the UB sub and rightfully so that 2 minutes after uh and um this satellite were with we we go toward that this other it was it good from the i assess but there was 1 pass of their you beside the above 1 of our ground stations in Bloomington Indiana and in and that was the in the morning from Bloomington and we were only actually having to use for the different conference well anxiously waiting to see if you upset is alive and you can see that in the middle are committed and point to that that really in the middle of the and of the water for that you see here I use the C. W. because of the you beset on some monks use minutes of decoding and trying to figure out if it's actually so the letter someone else because you have more deployment of satellites and then created more clear policies are come along from the guns system a network and we can clearly see that this is fast becoming so support happy times for the team that it actually work on and
then we started monitoring the process and you know how this other letters performing can you can see some of the initial diagrams and that's that's adding cycles of our late itself we're pretty happy that you know most of the components were actually working on the not everything worked as expected and that's you know like fortunate to some extent but really that's to be expected on especially in office by mixing in space missions like us and although we could see you know most things working really well 1 of the things was really not accounted for in
that was the consumption of this being around the botany now component itself so we had this the batteries in order to make sure that they're not degraded to the fall below you know 0 there are degrees celsius and moon but at the same time the consumption of the sheet that is was actually a lattice enough than we expected moth thermal insulation then we actually sold in space so we had to all the use that and right now we are in the face of the so the letters operational at the same time most of the time is actually in safe mode in terms of Apollo itself so it senses that it's going to be all available power that these you know like safe enough to ah to use all the different components and protects itself by cutting down divide is different components and then once it's out again becomes and says that it's OK and and then saying tenting goes on and on that means unfortunately we cannot perform the science mission room to its and that they have a still if we can communicate and actually have you know this because of that they defies that many of the things we built our designs are correctly so what can we learn from that
and that it's really not that good science qualities some extent and but it's really not as hard as people think it is and the critical thing for us would be to make sure that no 1 has has to go through the same ordeal that we did in in terms of lack of the condition and lack of open and gold hardware or best practices in order to create mission from themselves so what we set out to do after a while you accept
I was basically to try to find out who else is interested of opens of satellites and so we our goal organized an open-source cues that works of the 1st of its kind are in uh the European Space Agency facilities in Darmstadt and that happened almost a month ago and that was successful for the
1st gathering of people around open source and especially if you consider that open source that was literary awards space industry and a bundle really recently so we would like to you extend the goal to all of you and all of you watching the system right now that if you have in mind something which is related open open source are it's open source and interrelated to space technologies feel free to its out and we're creating as much
Davis in our global community of people who are which we named the the space community and would like to claim space the away and make sure that you know that no 1 has to reinvent the wheel and we can really work on novelty of projects at the ends of the 2 days on top and everything's and acknowledging so what you mean but
it might so that was just a body as a we still have a little bit of time to Q and a if you have questions please line up at the mike we have foreign the whole area so just line up and you will be called up will just start up with like 1 In the thing national Justin presentation actually on this what you would guess how long it would take actually to get some like an open-source satellites in and patterns transponders up into a low although it's like you know we have as hell said to which is going to be up their hopefully 2018 but it's on a commercial satellite from the capture iris satellite company lake cooperation and so on and so on but what would you guess light getting such a transponder only as an open-source project with no commercial and all secondary status of actually the project and the and their payload itself so that has to come from close collaboration with the arms of communities around the world to I'm aware of phase foreground and phase for space which at arms bucked projects for such specific I technology as the transport itself unfortunately I think that the the pace that this is going on right now is like really slow so I wouldn't expect anything will within 28 in as it stands right now with yeah time my kids these as hot cold electronics in back it is just a radiation enough to dissipate into groups also corrected cooling as well so nautical link you have to rely on the deviation and actually touching of thermal transfer through actual physical contact between the different components so OK Mike for please I think so much further information I was wondering about the GPS chips as far as I know consumer available our locked so what did you do about it have things yes so own that's 1 of the black spots of the open source side of things and that the cause of this is that in order to use a GPS in altitude and sets velocity you have to have it see which has a license to bypass the cocoa mistakes and which are the restrictions of put in place for for GPS so you have to buy that then this is not open source when you buy the actual you are dubious receiver consumer available not yeah although it's price like you can get to a couple of thousand my quantities the hi so 1st of all thanks for doing the hard work for us so I think you did some um customer relations so or is there an area and members who can give us yet still the total cost for the hardware of the satellite demanded that owns that the thousand dollars and almost half of it will actually the solar panels which we should invest on creating open-source solutions at about like actually doing that and then for the whole product itself like together the the news that worked on it and everything else like I would say that the building was around 120 thousand but together with the lungs and everything take a look and that if the project the and like 4 and 2 2 little questions of the 1st question can I uh as a random person but I tried to communicate with his satellite are OK I see and hear the monkey grass and then there's the next question of some is this alone enough to postulate kind of foam OpenThesaurus global satellite better match like the the taking of life forms to another level yeah all and other things we would really interesting on looking quick venue for anyone was developing networks like the rest of it works right now on actually how we can move this to space and yes we're super interested about that there's been a couple of ideas so feel free to this out to or actually do it's out not the free and you're anyone else that is it has invested and creating networks of satellites and we have to have a table on the right thing some of the guys and I visited the Space Foundation table and there's a gun station you can find it forces so yeah I like to please and so some think the cube set ideas of the Aureolin with all the and 7 so from what I was wondering as it is also like use commercial the by like companies like planets that were doing these imaging solutions is stuff I have you had any experience working with like the start up companies who also working with like basically the same technology as you are and do you think that there's a future of like maybe like learning from each other yeah I think that the the the the answer to that some relies on the difference on the business models around those initiatives and as long as the business models of the current Commission of the south of suppliers of satellite components is based around actually licensing the code in well paying for that license and and paying for getting access to any kind of conditional even the designs itself but also that you don't even get much design even if you pay and then that's completely different from our approach in terms of you know how we could create sustainability around that and I think that there are ways of collaboration and that really that has has to come through hard work among its other in order to find like the sweet spots on on that but for us the you know not working in the open is not an option so like that step has to come some sense from the other side of yeah tho I think through we don't have the time anymore that was beautiful but as thank you very much thank you often Koch was to the so thank
you it contained in the act but
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Metadaten

Formale Metadaten

Titel UPSat - the first open source satellite
Untertitel Going to space the libre way
Serientitel 34th Chaos Communication Congress
Autor Papadeas, Pierros
Lizenz CC-Namensnennung 4.0 International:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/34884
Herausgeber Chaos Computer Club e.V.
Erscheinungsjahr 2017
Sprache Englisch

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Fachgebiet Informatik
Abstract During 2016 Libre Space Foundation a non-profit organization developing open source technologies for space, designed, built and delivered UPSat, the first open source software and hardware satellite.
Schlagwörter Science

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