wiseskin - nano-tera 2016
TRANSCRIPT
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WiseSkin
Presented by J. FarserotuPrepared by the WiseSkin teamNano-tera plenaryLausanne, 26 April 2!6
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The WiseSkin team
WiseSkin 2015 | Page 2
• 4 WiseSkin PhD’s in progress• 3 Post-Docs
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WiseSkin
The problem
• Amputation o( a hand or limb is a )atastrophi) e*ent resultin# insi#ni+)ant disability ith maor )onseuen)es (or daily a)ti*itiesand quality of life.
• Althou#h (un)tional myoele)tri) prostheses are a*ailable today/e.#. hand0, their use remains limited due to a lack of sensory(un)tion in the prostheses.
• As the orld1s population #ros and a#es, so does the number o(people li*in# ith disabilities in)ludin# lost limbs /e.#. trauma,diabetes or )an)er0.
• A sense o( ta)tility is needed (or pro*idin# feedback for controlo( prostheti) limbs and to per)ei*e the prosthesis as a real part o(the body thus indu)in# a sense o( body ownership3 and anatural sensation of touch.
Modern electric hands. A: bebionic (RSStee!er". #: i$i%b
<ra (to'chbionics". : Michelangelo ()tto #ock"
Today, there is no solution for restoring a natural sense of
touch to persons using prosthetic limbs.
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Solution, main elements and workpackages
• 5he Wiseskin proe)t tar#ets the de*elopment o(• a non-in*asi*e solution (or restoration o( a natural sense o( tou)h.
• s)alability to potentially many sensors, in a hi#h density sensor netork,and the ability to )o*er lar#e areas.
• embedded ireless ta)tility sensors in a 7e8ible, stret)hable skin3
hi)h pro*ides (or poerin#, as ell as, 9F a*e#uide and shieldin# a#ainst inter(eren)e.
• a solution pro*idin# real-time response and lo laten)y
• sensory (eedba)k *ia a ta)tile display /amputation stump0 usin#miniature a)tuators
•
Workpa)ka#es• WP! - :LP e*ent dri*en )ommuni)ation
• WP2 ; %iniature skin sensors
• WP' ; "on(ormal, stret)hable poer distribution system
• WP4 ;
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WP1 Achievements radio
• 5he 98 (or the tar#et F%-:W> radio has been manu(a)tured. 5hepoer )onsumption is 42 ?W (rom ! @ poer supply and thesensiti*ity is -6 d>m.
• 5he desi#n o( the +nal trans)ei*er is in pro)ess.
WiseSkin
*. +o!ta, et. al. A -20 W, - / a!!roi%ate ero 34 4M$&W# receier 6or short
range co%%'nications, R43 S7%!osi'%, 22$2- Ma7 2018, San 4rancisco, A.
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WP1 Achievements ! protocol
• A no*el approa)h (or sin#le pa)ket link estimation is proposedtakin# ad*anta#e o( the pa)ket repetitions durin# transmission.
• 5he results su##est in)reased reliability, ener#y and bandidthredu)tion i( the routin# layer makes use o( this in(ormation.
WiseSkin
N1time
Sampling interval
Received Repetition
Missed RepetitionSent Repetition
N2
N3D
C
A B
E
W10
ink !stimation "rom the #A$ repetitions %&erhead '( time as a percentage o" W)
. Ro9as, e.al., Single Packet ink sti%ation, !oster, 3nt. on6. on
%bedded Wireless S7s. and ;et
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WP" Achievements
• 5he sensor-)ommuni)ation modules /S"%0 (or prototype !. ha*ebeen desi#ned and manu(a)tured.
• $a)h module is )omprised o( an i)y598 radio and an oC-the-shel(miniature pressure sensor.
•
"alibration o( the pressure sensors has been per(ormed. 5hede*elopment o( so(t-%$%S sensors (or the tar#et prototype is inpro)ess.
WiseSkin
'rrent >? P#: 1=12 %%2, 1.=>%% thickness
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WP# Achievements
• Ente#ration o( the sensor modules into a7e8ible skin made o( 5an#o>la)k andmetalliGed polyimide layers as per(ormed.
• A ne )lass o( so(t metalliGation has beendesi#ned and de*eloped based on biphasi)
/solid-liuid0 thin metal +lms, )ompatibleith lar#e-area and standard thin-+lmte)hnolo#y that oCers intrinsi)stret)hability and un-mat)hedele)trome)hani)al per(orman)e.
WiseSkin
• S. aco'r, MRS 4all Meeting, #oston, &SA, inited talk, s7%!. @$Sha!e Prog.
Materials. ngineering elasto%er str'ct'res 6or skin$like electronicsB
• A. /erratt, . Micha'd et.al., S%art Plastics, in, A&, inited talk.Stretchable electronic skin 6or hand !rostheses and robot %ani!'latorsB.
• S. aco'r, ;ano#ioCech, Montre', inited talk. So6t lectroce'ticalsB• S. aco'r., S
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WP$ achievements
• A ta)tile (eedba)k display )ombinin# me)hano- and *ibro- a)tuationhas been de*eloped and preliminary tests per(ormed ith amputeesand healthy sube)ts.
• An al#orithm able to dete)t nine diCerent hand mo*ement intentionshas been de*eloped based on s$%H si#nals. 5he dete)tion a))ura)yrea)hes D'I.
• An automati) method o( phantom map dete)tion based on support*e)tor ma)hines has been de*eloped.
WiseSkin
• . 'ang, et. al., A'to%atic !hanto% %a! detection %ethods, oral, 3 #ioAS 2015.• C. i, et. al., ?esign a o
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Prototype 1%&
•
5he +rst WiseSkin prototype has been de*eloped
• "ommuni)ation is a)hie*ed usin# >luetooth Lo $ner#y />5L$0.Prototype !. )omprises +*e S"%s, one (or ea)h +n#ertip,inte#rated into the skin.
• 5he sensor data are sent to an iPA< *ia >5L$ and subseuently to a
P" hi)h dri*es the ta)tile display.• A Planar En*erted-F Antenna has been desi#ned and inte#rated in
the S"% boards. 5ests demonstrate the bene+ts o( a*epropa#ation inside the stru)ture, usin# top-bottom metalli)a*e#uides, )ompared to (ree spa)e.
WiseSkin
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Success stories
WiseSkin
•
5e)hni)al• Wiseskin prototype !. de*eloped
• Su))ess(ul manu(a)turin# o( the 98 (or the tar#et F%-:W> radio
• 5he testin# o( the routin# proto)ol transitioned (rom simulators to embeddedW
•
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'e(t steps
• So(t ta)tile skin on the prosthesis
• 5estin# ith *olunteers
• $nhan)in# the reliability o( the solution in)l. (or the so(t ; hardinter(a)e
• "ompletion o( the desi#n and de*elopment o( the tar#et system
• 9ealiGation o( prototype so(t-%$%S ta)tility sensors
• Ente#ration o( the tar#et system /prototype 2.0
• 5est ith *olunteers /in)l. (%9E brain ima#in# analysis0
• Final WiseSkin demonstration
WiseSkin
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)issemination slide 1 of "
• Arti)le in L1$8press, 9endre le sens du tou)her au8 amputs, !.B.2!=
• Arti)le in 2 %inutes, Prothesen sollen bald absolut #e(Ohlse)ht sein, !D.6.2!=,http.2min.)hissen#esundheitstoryProthesen-sollen-bald-absolut-#e(uehlse)ht-sein-!'422D'
• Farserotu J., et. al., 5a)tile Prostheti)s in WiseSkin, in*ited presentation, oralpresentation #i*en by 5. Li,
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)issemination slide " of "
• La)our S., %9S Fall %eetin#, >oston, :SA, in*ited talk, symposium -ShapePro#rammable %aterials. $n#ineerin# elastomer stru)tures (or skin-like ele)troni)s3
• %i)haud ., et. al., So(t metal )onstru)ts (or lar#e strain sensor membrane, Smart%aterials and Stru)tures., *ol. 24, no. ', p '=2, 2!=.
• %i)haud ., et. al., Liuid-Solid Hold-Hallium 5hin Films (or i#h Per(orman)e %i)ro-Stru)tured Stret)hable Enter)onne)ts and Sensors, 2!6 %9S Sprin# %eetin# K $8hibit,%ar)h 2-April ! 2!6, Phoeni8, AriGona
• %i)haud ., et. al., So(t 7e8ion sensors inte#ratin# stre)hable metal )ondu)tors on asili)one substrate (or smart #lo*e appli)ations, 2th E$$$ Ent. "on(. on %$%S, !-22 Jan.
2!=, $storil, Portu#al.
• 9oas "., e.al., Sin#le Pa)ket Link $stimation, poster, Ent. "on(. on $mbedded WirelessSystems and Netorks, !=-!B Feb., 2!6, HraG, Austria.
• Stirnimann A., Li 5., et. al., io5e)h-%ontreu8, %ontreu8, ", in*ited talk.So(t $le)tro)euti)als3
• La)our S., Siss e-Print, Neu)hatel, ", in*ited talk.Emplementin# me)hani)al )omplian)e in materials and de*i)es(or neural inter(a)e appli)ations3
**and #igros maga+ine
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Thank you for your attention*
http://www.20min.ch/wissen/gesundheit/story/Prothesen-sollen-bald-absolut-gefuehlsecht-sein-13428293http://www.20min.ch/wissen/gesundheit/story/Prothesen-sollen-bald-absolut-gefuehlsecht-sein-13428293