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Student Team Designs Solar-Powered Wheelchair

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Elizabeth M
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Good use of solar power
Elizabeth M   6/4/2013 10:43:26 AM
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I like to cover these stories when they show inventive people coming up with creative uses of technology that can help people, too. Solar power is becoming more viable for many uses and this one is certainly interesting. It is a positive way to use a renewable energy and also adds a bit of a comfort benefit for the wheelchair user, providing shade from the sun from which its absorbing energy. I especailly like that the team is donating both the chair and the winnings for more altruistic causes.

Ann R. Thryft
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Re: Good use of solar power
Ann R. Thryft   6/4/2013 12:03:55 PM
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What a great application for solar panels. Thanks for reporting on this, Elizabeth. And it's good to see progress made in using solar power for transportation, even though it's still combined with another energy source.

taimoortariq
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Re: Good use of solar power
taimoortariq   6/4/2013 1:02:32 PM
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It is great to see such advancement taking place in the field of renewable energy. At first, I was doubting that how can the current produced from panels be sufficient for the wheel chair. The utilization of both the battery and solar panels cleared my doubt.  

Although, the wheel chair running totally on solar panels, with 0 % battery is a bit hard to believe. There might be something more to it. Nonetheless, It is always great to hear about such news.

Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/5/2013 3:58:49 AM
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Thanks, Ann. Yes, I think it would be good to see if solar could stand on its own in this kind of application, but still it's a promising invention.

Charles Murray
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Re: Good use of solar power
Charles Murray   6/4/2013 6:46:19 PM
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Great idea. I'd like to see some of the other entrants in the "Change My World" contest.

JimT@Future-Product-Innovations
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Better Direction yields better results
JimT@Future-Product-Innovations   6/5/2013 1:38:50 PM
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Recall the article from just 2 weeks ago, where "Brilliant Gadgets from the Hands of the Young" yielded several comments about redirecting un-mentored innovation into more productive results.  (  http://www.designnews.com/author.asp?section_id=1362&doc_id=263652 )

This "Change My World in One Minute" competition is exactly what I was suggesting.  Although' I didn't catch who sponsored the competition.  The Cerebral Palsy Foundation-?  An unlikely Champion of the mentorship effort!

Elizabeth M
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Re: Better Direction yields better results
Elizabeth M   6/6/2013 4:27:54 AM
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Yes, JimT, the contest was sponsored by a foundation for cerebral palsy--yes, it may seem unlikely but in some of the writing I've done I've found it is the people who have a medical need who actually are inspiring innovation these days. I wrote a story about an MIT program that paired doctors with students to come up with medical devices to solve real problems they encounter: http://www.designnews.com/author.asp?section_id=1386&doc_id=259900

So it may seem unlikely but perhaps sometimes it's the best way to develop targeted technology that can be put to practical use.

JimT@Future-Product-Innovations
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Re: Better Direction yields better results
JimT@Future-Product-Innovations   6/6/2013 8:36:11 AM
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Thanks, Elizabeth- you are being subtle saying sometimes it's the best way.  Recall the old adage, 'Necessity is the Mother of Invention'.  I think the best ideas always come from a direct need, or targeted challenge.  Too many good designers are locked into company jobs, supporting corporate mandates to simply update a product line. That gets stale.

Mydesign
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Re: Good use of solar power
Mydesign   6/4/2013 11:46:39 PM
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"I like to cover these stories when they show inventive people coming up with creative uses of technology that can help people, too."

Elizebeth, thanks for covering such application and technologies. Technology and application updates are one of the interesting sections in Design News

far911
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Re: Good use of solar power
far911   6/5/2013 2:46:21 AM
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It's a great invention. The very idea of mobility combined with solar energy makes perfect sense. Although I'm concerned about how well this will play out in areas where the sun scarcely shines, still it'll be sure to help a long way. And think about it, it can serve as shelter for rain too, heh.

Mydesign
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Re: Good use of solar power
Mydesign   6/5/2013 3:07:49 AM
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"The very idea of mobility combined with solar energy makes perfect sense. Although I'm concerned about how well this will play out in areas where the sun scarcely shines, still it'll be sure to help a long way. And think about it, it can serve as shelter for rain too"

Far911, in such cases you can think about hybrid energy sources. I mean along with solar, you can deploy either wind energy or rain harvesting mechanism , to turn the wheels.



far911
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Re: Good use of solar power
far911   6/20/2013 6:52:21 AM
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@Mydesign - Alternative energy sources are a given. But a redundant source will only add to the cost and somehow negates the purpose of solar energy's autonomy, don't you think? 

Mydesign
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Re: Good use of solar power
Mydesign   6/25/2013 6:03:19 AM
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"Alternative energy sources are a given. But a redundant source will only add to the cost and somehow negates the purpose of solar energy's autonomy, don't you think? "

Far911, am not able to follow exactly. I hope you meant about exploring the alternate energy sources. Solar energy won't be available throughout the year, so in such cases we have to explore the other sources like wind/ sea waves (tidal) etc.

Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/5/2013 4:04:45 AM
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I think that's why there are batteries as well, far911, so that should help augment when there is no solar energy. But even under cloud cover I think some solar panels can still absorv and use solar energy. And yes, the panels can also serve as an umbrella!

far911
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Re: Good use of solar power
far911   6/20/2013 6:56:55 AM
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@Elizabeth M - True. Batteries are certainly serving as an alternative. However, the solar cell batteries should be sophisticated enough to provide long backup times in order to retain autonomy of this power source. 

Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/21/2013 6:28:30 AM
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One would hope that this would be true, far911!

Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/5/2013 4:07:31 AM
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Thanks, MyDesign. I do find these stories some of the more interesting ones to cover as well. I've written about energy-harvesting soccer balls for underdeveloped nations and mobile app-driven prosthetic legs that help amputees get some of their normal lives back for Design News...this is the kind of stuff that shows some of the true promise of technology.

Mydesign
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Re: Good use of solar power
Mydesign   6/6/2013 11:28:22 PM
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"...this is the kind of stuff that shows some of the true promise of technology."

Elizabeth exactly. Solar is the only promising energy source for the future.

Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/10/2013 5:55:07 AM
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I agree with you that it's promising, MyDesign, but "only"? What about wind? Especially with all of the new inventions in harnessing wind offshore and in cities...I've written a couple of stories about the latter and also just covered the deployment of the first offshore wind turbine (but the story hasn't posted yet).

Check out these links and tell me what you think about the promise of wind? :)

http://www.designnews.com/author.asp?section_id=1386&doc_id=263947

http://www.designnews.com/author.asp?section_id=1386&doc_id=262482

Mydesign
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Re: Good use of solar power
Mydesign   6/11/2013 11:19:43 PM
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"but "only"? What about wind? Especially with all of the new inventions in harnessing wind offshore and in cities...I've written a couple of stories about the latter and also just covered the deployment of the first offshore wind turbine (but the story hasn't posted yet)."

Elizebeth, "only" means only natural/renewable resources. It includes wind, solar, Hydro electric projects etc.



Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/12/2013 5:52:03 AM
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Oops, sorry! I misunderstood your comment, MyDesign. Of course you're right! Renewables are the way to go. I actually myself am fascinated by the potential of ocean waves and power and can't wait to see someone start harnessing that. (I'm a surfer...so this is a natural interest of mine!) Forgive me for my confusion...

Mydesign
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Re: Good use of solar power
Mydesign   6/13/2013 4:36:17 AM
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"I actually myself am fascinated by the potential of ocean waves and power and can't wait to see someone start harnessing that"

Elizabeth, actually in my place they had started a power generation unit from tidal waves, but later they found that it's not economical due to various reasons and winded up.  Still the reason is unknown to public.

Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/13/2013 4:48:39 AM
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Really? Interesting. I actually wrote about a company that said it can do something like that and are working on technology. http://www.designnews.com/author.asp?section_id=1386&doc_id=262437


I have no idea how they are going to use this fabric to harness ocean waves but I guess we'll see!

Mydesign
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Re: Good use of solar power
Mydesign   6/17/2013 11:27:56 PM
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"Really? Interesting. I actually wrote about a company that said it can do something like that and are working on technology. http://www.designnews.com/author.asp?section_id=1386&doc_id=262437 I have no idea how they are going to use this fabric to harness ocean waves but I guess we'll see!"

Elizabeth, thanks for the link. Hope you will update with the latest details soon.



Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/18/2013 8:21:59 AM
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I will keep track, MyDesign, and write updates as warranted. Actually I was just visiting friends north of Porto here in Portugal, where I live, and my friend's father told me there is a project off the coast of Portugal doing something with waves. Whether it's true or not, I don't know, but I am going to look into it.

Mydesign
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Re: Good use of solar power
Mydesign   6/20/2013 5:26:41 AM
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"Actually I was just visiting friends north of Porto here in Portugal, where I live, and my friend's father told me there is a project off the coast of Portugal doing something with waves."

Elizabeth, try to explore it further.

Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/20/2013 8:06:19 AM
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Yes, MyDesign, I plan to! Stay tuned...perhaps there will be a future story out of this development.

Mydesign
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Re: Good use of solar power
Mydesign   6/25/2013 6:04:23 AM
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"I plan to! Stay tuned...perhaps there will be a future story out of this development."

Elizabeth, we are waiting for that.

Debera Harward
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Re: Good use of solar power
Debera Harward   6/5/2013 4:50:50 AM
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Ahan Elizebeth that really great it feels very good watching young engineers inventing such technologies .Solar power wheel chair is simply very creative idea it helps give patients mobility but i have one question ? Are these wheel chairs folding if yes then it is very easy to use them during travelling if no it will be very difficult for user to buy another one for the purpose of travelling .

AREV
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Re: Good use of solar power
AREV   6/5/2013 8:35:02 AM
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A photo of the retracted panels would be good. As viewed it looks like an erector set project.(As an Erector Set past user this is not detrimental ccmment.)  That would all be aceptable if the panels and frame colapse into the foot print of a wheel chair as a retractable car roof does. Good application of Solar. My opinion this would be a good starting point for the size of an electric car. Add only what is necessary from there to achieve distance, weather protection, speed, etc. Imagine a auditorium parking lot with hundreds of wheel chair sized vehicles.

Elizabeth M
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Re: Good use of solar power
Elizabeth M   6/10/2013 5:57:39 AM
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Good question, Debera, I have to admit I'm not sure about the chairs of the wheelchair. If a typical wheelchair's wheels fold I would tend to say yes, and I believe they tried to model it on a typical chair...but I am not positive on that. I would have to check.

Mydesign
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Solar energy at application level
Mydesign   6/4/2013 11:38:59 PM
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"Solar power is becoming an increasingly popular source of energy, and researchers have found a way to use it to power"

Elizebath, now a day's more R&D at technology and application levels are happening with respect to solar energy. I think we can replace almost all powering sources at application level by solar energy by equipping a PV panel and a storage device along with necessary commuting circuits.

Battar
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Material science
Battar   6/5/2013 8:54:49 AM
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This is an exercise in material science, not electrical engineering. Using solar power to keep batteries charged in a mobile device is hardly news. But for this device to be practical it has to out in the sun (and rain, sometimes) to ensure a constant charging supply, and it has to not fall to pieces on the 1st of September after the raindrops have trickled through the non-stainless steel screws and the sunshine has baked the non-UV resistant plastics.

Weatherproofing the device is the bigger challenge.

AREV
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Re: Material science
AREV   6/5/2013 10:00:07 AM
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I'd define it as this chair has to be whereever the operator is and wants to be. It has to navigate like a normal chair but with the advantage that when out and about it is self sufficantly powering itself, increasing the range, speed, and thus the self sufficancy of the operator.

Elizabeth M
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Re: Material science
Elizabeth M   6/6/2013 4:20:31 AM
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Excellent points, Battar. I think you'd be right about the weatherproofing. Maybe in a future design this problem could be tackled. I think maybe because the user is in Turkey, rain wouldn't be such a big issue? Seems to be a lot more sun than rain in that country...but I'm sure it's still a concern.

bobjengr
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SOLAR POWER
bobjengr   6/6/2013 5:14:17 PM
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Excellent post Elizabeth.  I have a dear friend (fellow engineer) with Parkinson's disease.   He is confined to a wheelchair and loves to go outside to sit in the sun. Most of his day is involved with "motoring" to the mail box and back.  The application of solar power to his chair would be a great addition to that device. He definitely will get your article.    I love the retractable panel idea.   I think the students have hit on a great idea.  Thanks again for posting. 

Elizabeth M
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Re: SOLAR POWER
Elizabeth M   6/10/2013 6:01:34 AM
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Thanks for sharing that personal story, bobjengr. It's always good to hear how the technology can affect someone in a real-life situation. For someone like your friend this would be perfect--it seems like he does not need a lot of battery power and is in the sun most of the time anyway, so the chair could always use its solar setting. Hopefully this will go from a student project to a commercial design at some point.

apresher
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Student Teams
apresher   6/6/2013 8:29:16 PM
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It seems that many student design teams are studying alternative energy projects. I suppose this is because of their popularity and appeal among younger people, and also the opportunity to learn about more complex systems with many parts.  Excellent educational opportunity.

Mydesign
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Re: Student Teams
Mydesign   6/6/2013 11:33:21 PM
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"It seems that many student design teams are studying alternative energy projects. I suppose this is because of their popularity and appeal among younger people, and also the opportunity to learn about more complex systems with many parts.  Excellent educational opportunity."

Apresher, I think now a day's most of the educational systems are adaptive to nature and students are keen in explore further to it. Solar energy is the only promising energy source for the future and hence developments are happening for extracting more energy at verity of application levels.



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