NASA Contest: Design an Attachment Mechanism

Hali: Closed
Zawadi: $500
Wasilisho Zilizopokelewa: 23
Mshindi: NinoWunderlin

Winner

Maelezo ya Shindano

Design an Attachment Mechanism (AM)

In this challenge, you are asked to design an Attachment Mechanism (AM) that will be mounted to, and being controlled and powered by a separately designed robotic arm. This challenge is focused on the electro-mechanical system only (i.e., no internal computing or circuitry)

How it works: Initially, the AM will be packed in a stowed configuration. When powered and controlled, the AM must be capable of executing five high-level actions:
1) unpack in preparation for placement near a Handrail,
2) close on the Handrail,
3) maintain a hold on the handrail for an extended period of time,
4) release from the handrail, and
5) pack back into the initial stowed configuration.

Click on the attachments below to see
1) the AM Problem Description, which provides more detailed instructions about all the requirements your design needs to meet;
2) AM Solution Guidelines, which details the format an content that your submission must follow; and 3) the templates that are referenced in the solution guidelines. Microsoft Excel and Open Office Calc formats are attached below.

Challenge rules:
- The prize will be awarded for the lowest mass, technically feasible solution, submitted by the contest deadline.
- No working prototype is required for submission, but the design must be sufficiently detailed to allow experts to assess the feasibility of your design (i.e., comply with all requirements) and the credibility of your mass estimate.
- Only complete submission packages will be evaluated (see attachments).

NASA may select multiple winners or provide additional prize compensation on entries that are particularly novel or innovative.

NASA will be available to respond to clarifying questions, but feedback on quality is otherwise limited.
All complete submissions will be confirmed with 3-star ratings.
Note that final judgement of quality and winners will only happen after the submission deadline.

Ujuzi unaopendekezwa

Winner

Tuma Shindano kama Hili

Wasilisho kuu kwenye hili shindano

nubelo_cKmwJ2Rg Colombia

0
rohin7157 India

0
JJJern Germany

0
davrxo Mexico

0
Psytest Australia

0
EdenElements Italy

0
Calixdesign Hong Kong

0
tbjackson96 United States

0
createwithwisdom India

0
Myrds Philippines

0
Alejandro10inv Colombia

0
jmsorell Canada

0
lahiruCAD Sri Lanka

0
Psytest Australia

0
lahiruCAD Sri Lanka

0
NinoWunderlin South Africa

1

Angalia wasilisho zaidi

Bodi ya Ufafanuzi ya Umma

Mwenye Shindano
- Miaka 5 iliyopita
We have launched 4 new challenges and are updating the landing page shortly: https://www.freelancer.com/contest/NASA-Contest-Design-an-Electrically-Driven-Clamp-1328523.html https://www.freelancer.com/contest/NASA-Contest-Design-a-Mechanically-Driven-Clamp-1328522.html https://www.freelancer.com/contest/NASA-Contest-Design-a-Smart-Coarsepositioning-Arm-1328497.html https://www.freelancer.com/contest/NASA-Contest-Design-a-Smart-FinePositioning-Arm-1328489.html
- Miaka 5 iliyopita
anandvelandy3
- Miaka 5 iliyopita
Cool work! Congratulations Nino
- Miaka 5 iliyopita
Myrds
- Miaka 5 iliyopita
Congratulations !
- Miaka 5 iliyopita
Mwenye Shindano
- Miaka 5 iliyopita
Please join us in congratulating Nino W. as the winner for this challenge. Thanks to all of the participants for all of your hard work on this challenge. There were some really great designs and the evaluation was not easy. We hope that many of you will participate in the rest of the challenges that we will be posting over the next couple of months.
- Miaka 5 iliyopita
Mwenye Shindano
- Miaka 5 iliyopita
Just a heads up that the judging phase is taking longer than expected. We are hoping to award next week. Sorry for the delay. Thank you for your patience.
- Miaka 5 iliyopita
Mwenye Shindano
- Miaka 5 iliyopita
We have opened our next contest :"Design a Positioning Software Architecture" at https://www.freelancer.com/contest/NASA-Contest-Design-a-Positioning-Software-Architecture-1328512.html.
- Miaka 5 iliyopita
Mwenye Shindano
- Miaka 5 iliyopita
This contest is now closed. Thank you for all of your hard work on some really great designs. The team will be evaluating the submissions and announcing the winners as soon as we can (likely about a week). There are several other contests currently active with even more launching over the next few months. We look forward to seeing more of this amazing talent! Thanks!
- Miaka 5 iliyopita
JJJern
- Miaka 5 iliyopita
Thank you for en extension time. I just submitted the task. Looking forward to hear from you.
- Miaka 5 iliyopita
Myrds
- Miaka 5 iliyopita
Just curious, does NASA also hire promising talents as freelancers or remote employees?
- Miaka 5 iliyopita
Tazama jumbe 3 zaidi
1. Myrds
  - Miaka 5 iliyopita
  It is different when your employed from being a contestant. Anyway, I hope I can join all the contest though. There are just times that time is not enough, just glad there were extensions. And I am keeping an eye on them.
  - Miaka 5 iliyopita
2. Mwenye Shindano
  - Miaka 5 iliyopita
  The international and commercial space industry is booming. Hopefully your experiences with our contests can help provide some experiences that help you build your CV.
  - Miaka 5 iliyopita
createwithwisdom
- Miaka 5 iliyopita
Entry Uploaded.
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  Glad to see you resolved the issue. Your submission has been received and passed the completeness check.
  - Miaka 5 iliyopita
createwithwisdom
- Miaka 5 iliyopita
Thanks in Anticipation.
- Miaka 5 iliyopita
createwithwisdom
- Miaka 5 iliyopita
Hi, If I'm not wrong, entry is not getting uploaded. Would you please look into it.
- Miaka 5 iliyopita
EdenElements
- Miaka 5 iliyopita
For a challenge like that, one week is a poor time to dedicate, so I'm happy to see the extension, and having enough time for the review of my entire project. Thanks
- Miaka 5 iliyopita
oscarrq
- Miaka 5 iliyopita
Thanks for the new submission date
- Miaka 5 iliyopita
rohin7157
- Miaka 5 iliyopita
thanks for extending the submission date
- Miaka 5 iliyopita
Mwenye Shindano
- Miaka 5 iliyopita
We have now extended the submission deadline for this contest to Monday, June 25th at 8 AM Eastern Daylight Time.
- Miaka 5 iliyopita
1. anandvelandy3
  - Miaka 5 iliyopita
  Great!
  - Miaka 5 iliyopita
saifelsedawy
- Miaka 5 iliyopita
#extended
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  We are evaluating extending this contest. Stand by.
  - Miaka 5 iliyopita
jithin777
- Miaka 5 iliyopita
#extended
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  We are evaluating extending this contest. Stand by.
  - Miaka 5 iliyopita
createwithwisdom
- Miaka 5 iliyopita
Please reply What is asked here? "In your AM design, how close do you get to the packed volume(R5)"
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  We would like you to describe that when your AM is in the packed volume, what is the closest your design gets to the surface of the packed volume?
  - Miaka 5 iliyopita
createwithwisdom
- Miaka 5 iliyopita
Thanks in advance.
- Miaka 5 iliyopita
EdenElements
- Miaka 5 iliyopita
I have got a final question. Is it possible to set the start position of the sensing element of the Linear Displacement Sensor at the opposite position of the wire bundle connection?
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  You may set the start position of the sensing element of the Linear Displacement Sensor at any location relative to the Wire Bundle Connection.
  - Miaka 5 iliyopita
EdenElements
- Miaka 5 iliyopita
A question about Linear Displacement Sensor. Is it possible to propose mechanical modifications of the sensing element?
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  You may add components that either fit in the through hole if the sensing element or fit around it, but modification is not possible. For future challenges, what would you recommend changing about this sensor?
  - Miaka 5 iliyopita
2. EdenElements
  - Miaka 5 iliyopita
  The one you proposed is good. Probably in a challenge like this one, in which spaces must be optimized at millimeters resolution, I think a 9 mm sensing element due a lot of space waste. Thats all. So no modifies, I will take some step back. Thanks
  - Miaka 5 iliyopita
EdenElements
- Miaka 5 iliyopita
Hello, I'm setting up the main project for this contest (glad to see you again). Just to be sure about Figure 10 - ISS Handrail Definition = > 9,58 mm is the outer semicircle, true?
- Miaka 5 iliyopita
Tazama jumbe 3 zaidi
1. Mwenye Shindano
  - Miaka 5 iliyopita
  The maximum limits of size while the AM is moving is the dynamic envelope, but when not moving, the AM must fit within one the configuration envelopes (stowed, open, and attached) as specified by the requirements.
  - Miaka 5 iliyopita
2. EdenElements
  - Miaka 5 iliyopita
  I know it could seem an irrelevant question, but I was thinking about the principle of the lowest mass mentioned in PDF too. The solution I had devised would have led to a volume saving in open and attached fase, and of course, the dynamic envelope and mass too. By the way, I'll approach it differently. Thanks
  - Miaka 5 iliyopita
DuranJMartin
- Miaka 5 iliyopita
Hi,
Please could you elaborate on requirement 14 regarding loops of material not greater than 25.4mm.
When is it applicable? Would a finger of a grabber be regarded as a loop of material?
Maybe by providing an example or purpose would help contextualize this requirement.
Thank you in advance.
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  R14 is included as a requirement to reduce the likelihood that Astrobee would get entangled on part of the AM when it is attached to a Handrail. An example of a loop of material that would violate this requirement would be a loop of cable or string that extends 40 mm away from the rest of the structure of your solution in the Attached configuration.
  - Miaka 5 iliyopita
anhhungcloud2014
- Miaka 5 iliyopita
Hello, I would like to ask if only 3d models are allowed to submit or we can submit other type of graphic which show the concepts? thanks
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  Yes you can submit other types of graphics. This is stated in the submission guidelines (attachments to the contest page):
  You can use any CAD software you like, sketch them by hand, or photograph a prototype, but accurate dimensions of the whole system are required. At minimum, you must indicate the position of every electro-mechanical component (e.g., actuators and sensors, but not individual bolts). On each figure, please label as many elements and subassemblies as possible. Use the names specified in your Mass Summary and Component List (section 2).
  - Miaka 5 iliyopita
lahiruCAD
- Miaka 5 iliyopita
Hi. I can see three projects published by you with little similar scope. Is there any relationship with those three projects. I am willing to submit entry for this contest first.
- Miaka 5 iliyopita
1. Mwenye Shindano
  - Miaka 5 iliyopita
  You should be able to see a total of 4 challenges. They are all related to the Astrobee robotic arm. Each has a different scope with some being a subset of of the whole arm while others include more. We are trying to see if we get innovative approaches by breaking it up in different work package. The prize level reflects the scope and complexity of each contest. You can submit entries for as many of the contests as you want.
  - Miaka 5 iliyopita