{"id":2071,"date":"2014-02-15T18:01:09","date_gmt":"2014-02-15T16:01:09","guid":{"rendered":"http:\/\/www.devrearsiv.com\/?p=2071"},"modified":"2014-02-15T18:03:25","modified_gmt":"2014-02-15T16:03:25","slug":"kizilotesi-vucut-algilama","status":"publish","type":"post","link":"https:\/\/devrearsivi.com\/kizilotesi-vucut-algilama\/","title":{"rendered":"K\u0131z\u0131l\u00f6tesi V\u00fccut Alg\u0131lama Devresi"},"content":{"rendered":"

2007<\/span><\/strong><\/em><\/p>\n

Bu proje hareket saptanmas\u0131 i\u00e7in \u00fc\u00e7 k\u0131z\u0131l\u00f6tesi sens\u00f6r PIR cihazlar\u0131n\u0131n kombine kullan\u0131m\u0131n\u0131n basit bir uygulama a\u00e7\u0131klanmaktad\u0131r.\u00a0Sens\u00f6rler Hygrosens Instruments Gmbh taraf\u0131ndan \u00fcretilmektedir.\u00a0\u00dc\u00e7 sens\u00f6rleri, midi veri ak\u0131m\u0131n\u0131n \u00fcretilmesi i\u00e7in bir ARM mikroi\u015flemci (LPC2103) ile bir arada kullan\u0131lmaktad\u0131r. (1)<\/strong><\/em><\/p>\n

Proje lakapl\u0131 doksanl\u0131 y\u0131llar\u0131n ba\u015f\u0131nda PIR alg\u0131lama cihazlar\u0131 ile bizim daha \u00f6nceki deneylerde bir ba\u015fka geli\u015fme PIR2-oldu\u011funu.\u00a0O y\u0131llarda, bir\u00e7ok deneylerden sonra, biz tamamen nedeniyle \u00e7ok d\u00fc\u015f\u00fck reaksiyon h\u0131z\u0131 ve son derece y\u00fcksek g\u00fcr\u00fclt\u00fc seviyeleri mevcut cihazlar\u0131n kullan\u0131m\u0131n\u0131 reddetti.\u00a0Bu \u00f6zellikler g\u00fcvenilirlik ve h\u0131zl\u0131 tepki zorunludur m\u00fczikal jest alg\u0131lama uygulamalar\u0131 i\u00e7in onlar\u0131 engelleyici yapt\u0131.\u00a0\u015eeyler niteliksel ancak y\u0131llar i\u00e7inde d\u00fczeldi ve bu y\u00fczden biz bu teknolojiyi bizim m\u00fczikal ve sanatsal uygulamalar\u0131 alemlerde ba\u015fka bir \u015fans vermeye karar verdi.<\/strong><\/em><\/p>\n

Biz do\u011frudan bu organlar taraf\u0131ndan yay\u0131lan radyasyon ile \u00e7al\u0131\u015fmak \u00e7\u00fcnk\u00fc burada canl\u0131 hareketli cisimleri tespit gelirse kendi i\u00e7inde, infrared teknolojisi \u00e7ok umut verici g\u00f6r\u00fcn\u00fcyor.\u00a0\u0130nsan g\u00f6vdeleri normal Wien yasas\u0131na g\u00f6re, 37 derece Celsius (310,15 \u00b0 K) bir s\u0131cakl\u0131kta ve bu nedenle\u00a0f\u00a0m<\/span>\u00a0= a\u011f\u0131rl\u0131k\u00e7a en\u00a0fazla g\u00f6steren bir frekans spektrumu ile elektromanyetik dalgalar yayar gerekir.\u00a0Wien sabit t\u00fcretilmi\u015f, w Bu ba\u011flamda, 1.035E11 Hz \/ \u00b0 K ve T yay\u0131lan v\u00fccut mutlak s\u0131cakl\u0131k e\u015fittir.\u00a0Bu nedenle, insan v\u00fccudu i\u00e7in biz 9.368\u03bcm bir dalga boyuna tekab\u00fcl eden bir frekans 32THz maksimum gelir.\u00a0Emisyon g\u00fcc\u00fc, 0-1 aras\u0131nda bir normalize fakt\u00f6r\u00fc, sadece m\u00fckemmel bir siyah g\u00f6vde i\u00e7in birlik e\u015fittir.\u00a0Bu v\u00fccut radyasyonu dayal\u0131 bir alg\u0131lama sistemi beyazlara oranla v\u00fccutlar\u0131 giyim ile \u00e7evreden yal\u0131t\u0131lm\u0131\u015f de\u011filken … (6) A\u00e7\u0131k\u00e7as\u0131, bu ge\u00e7erlidir hakk\u0131nda iki kez de siyah insanlar i\u00e7in \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, komik sonuca yol a\u00e7ar.\u00a0Bu frekans k\u0131z\u0131l\u00f6tesi spektrumunun \u00e7ok d\u00fc\u015f\u00fck bir par\u00e7as\u0131.\u00a0Bu frekanslar genelde 620nm ve 950nm aras\u0131nda, biraz \u0131\u015f\u0131k g\u00f6r\u00fclebilir spektrumda alt\u0131nda \u00e7al\u0131\u015facak \u015fekilde tasarlanm\u0131\u015f ortak k\u0131z\u0131l\u00f6tesi diyot taraf\u0131ndan tespiti i\u00e7in \u00e7ok d\u00fc\u015f\u00fckt\u00fcr.\u00c7o\u011funlukla triglisin s\u00fclfat (TGS) ve ferroelektrik \u00f6zelliklerine g\u00f6re tamamen farkl\u0131 bir teknoloji kullan\u0131larak Pyrodetectors, 7\u03bcm ile 14 mikron aras\u0131nda de\u011fi\u015fen hassasiyetleri g\u00f6stererek, \u00e7ok iyi bu radyasyon aral\u0131\u011f\u0131n\u0131 alg\u0131layabilir.Piroelektrik elemanlar\u0131 kendileri kapasitif y\u00fck deplasman cihazlar ve son derece y\u00fcksek bir empedans (yakla\u015f\u0131k 100GOhm) ve onlar her zaman do\u011frudan bir MOSFET kap\u0131s\u0131na ba\u011flanm\u0131\u015f \u00fcretilen bu nedenle g\u00f6stermek.\u00a0Bu nedenle son derece y\u00fcksek empedans i\u00e7in, alg\u0131lama elemanlar\u0131 frekansa orant\u0131l\u0131 bir duyarl\u0131l\u0131k tersini g\u00f6stermek gerekir.\u00a0Bu, ca, a\u015fa\u011f\u0131da giri\u015f genlik frekans de\u011fi\u015fiklikleri s\u0131n\u0131rlayacak \u015fekilde do\u011fal olarak \u00e7ok yava\u015f oldu\u011fu anlam\u0131na gelir.50Hz.\u00a0Uygulamada, \u00e7\u0131k\u0131\u015f sinyali her zaman \u00e7ok 50 Hz \u015febeke frekans\u0131 bile\u015fenini bast\u0131rmak i\u00e7in, bu frekans\u0131n alt\u0131nda, filtre al\u00e7ak ge\u00e7mektedir.\u00a0Bu sens\u00f6rler i\u00e7in tipik \u00e7\u0131k\u0131\u015f gerilimleri 450\u03bcV alt\u0131nda oldu\u011funu unutmay\u0131n.\u00a0(7) g\u00f6vde tespiti i\u00e7in, bu dedekt\u00f6r kullanarak problem, yay\u0131lan spektrumu s\u00fcreklidir, \u00e7\u00fcnk\u00fc spektrum ortam\u0131nda bir\u00e7ok d\u00fc\u015f\u00fck k\u0131z\u0131l\u00f6tesi kaynaklar taraf\u0131ndan gizlenmi\u015f oldu\u011fu ve bu nedenle, daha y\u00fcksek s\u0131cakl\u0131klarda nesneleri ayn\u0131 zamanda ilgili band\u0131nda dalgalar yayar Bu durumda, al\u0131nan sinyal, radyasyonun genel yo\u011funlu\u011fu i\u00e7in sadece bir \u00f6l\u00e7\u00fcs\u00fcn\u00fc verir kriteri.\u00a0Bu nedenle, bu sens\u00f6r\u00fcn\u00fcn \u00f6n\u00fcne \u00e7ok se\u00e7ici bir filtre yerle\u015ftirmek i\u00e7in yeterli de\u011fildir.\u00a0Odaklama optik kullanarak, uzaktan termometreler kullan\u0131lan k\u00fc\u00e7\u00fck bir nokta s\u0131cakl\u0131klar\u0131 \u00f6l\u00e7mek i\u00e7in, ama bu hareket sens\u00f6rlerini geli\u015ftirmek i\u00e7in bize yard\u0131mc\u0131 olmuyor m\u00fcmk\u00fcnd\u00fcr.\u00a0Kurtarma ba\u015fka dikkate geliyor: yay\u0131lan organlar\u0131 ta\u015f\u0131rsan\u0131z, biz en az iki alg\u0131lama unsurlardan olu\u015fan bir sens\u00f6r \u00f6n\u00fcnde bir ince fresnel lens yerle\u015ftirilerek yay\u0131lan sinyalleri ay\u0131rt edebilir.\u00a0Bu, yaln\u0131zca ilgilenilen bir frekans aral\u0131\u011f\u0131nda de\u011fi\u015fikliklere tepki, PIR sens\u00f6rlerin tasar\u0131m arkas\u0131nda esas par\u00e7as\u0131d\u0131r.\u00a0Bu, ayn\u0131 zamanda, bir v\u00fccut y\u00fczeyi olduk\u00e7a sabit kalmaktad\u0131r, bu ay\u0131r\u0131c\u0131 sinyal genli\u011fi, v\u00fccut ve sens\u00f6r\u00fc aras\u0131ndaki mesafeye kar\u015f\u0131l\u0131k gerekti\u011fini beraberinde gibi g\u00f6r\u00fcn\u00fcyor.\u00a0Ili\u015fkisi, teoride, bir kare kanunu izler.\u00a0Ayn\u0131 zamanda, uygun bir lens sistemi belirli bir alan i\u00e7erisinde do\u011fru bir a\u00e7\u0131sal pozisyonu belirlemek i\u00e7in kolay olmal\u0131d\u0131r g\u00f6r\u00fcn\u00fcr.\u00a0Ikincisi, d\u00fczenli PIR cihazlarda, pyrodetector \u00f6n\u00fcne yerle\u015ftirilen Fresnell lensler her zaman kullan\u0131lmaktad\u0131r.\u0130yi yar\u0131m k\u00fcre alg\u0131lama, sens\u00f6r dahili d\u00f6rt unsurdan olu\u015fmaktad\u0131r edilmelidir.\u00a0A\u00e7\u0131sal h\u0131z \u00e7\u0131k\u0131\u015f fark sinyalinin frekans\u0131ndan t\u00fcretilebilen g\u00f6r\u00fcnmektedir.\u00a0Burada inceleyerek yeni PIR sens\u00f6r\u00fc 12 metre kadar bir duyarl\u0131l\u0131k iddia, PIR STD (Sipari\u015f numaras\u0131 CON-PIR-STD-172526) ‘dir.\u00a0Veri tabaka sonra, analogun alg\u0131lanan a\u00e7\u0131sal h\u0131z\u0131 ile orant\u0131l\u0131d\u0131r 0.2Hz ve 10Hz aras\u0131nda bir frekans ile bir sinyali \u00e7\u0131k\u0131\u015f olarak elde.\u00a0Bu bantlar-kullan\u0131lan Fresnell objektifin optik \u00f6zellikleri-say\u0131s\u0131na g\u00f6re belirlenir gibi \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc olduk\u00e7a d\u00fc\u015f\u00fck.\u00a0Bu durumda, veri tabaka -30, -20, 0, 20 ve 30 derecelik bir aral\u0131k ile e\u015fit da\u011f\u0131t\u0131lm\u0131\u015f, 10 derece ve dikey 5 bantlar\u0131 bir mesafe ile yatay bir 11 bantlar verir.\u00a0Bu sinyal yar\u0131ya g\u00fc\u00e7 kayna\u011f\u0131 gerilimi etraf\u0131nda simetrik, ama devre Vc \/ 2 dahili olarak kullan\u0131lan ikinci bir analog referans \u00e7\u0131k\u0131\u015f\u0131 sa\u011flar.\u00a0Bu h\u00fck\u00fcm, olduk\u00e7a basit bir mikrodenetleyiciye arabirim yapar.\u00a0Duyarl\u0131l\u0131k a\u00e7\u0131 ca.\u00a0100 derece, yatay.\u00a0Dikey d\u00fczlemde 60 derecedir.\u00a0Bir dijital \u00e7\u0131k\u0131\u015f sens\u00f6r mod\u00fcl\u00fcn\u00fcn basit bir pencere kar\u015f\u0131la\u015ft\u0131rma devresinde t\u00fcretilmi\u015f, hem de kullan\u0131labilir.\u00a0Bu \u00e7\u0131k\u0131\u015f v\u00fccut hareketlerinin tespiti tetikleme, bir alarm \u00e7\u0131k\u0131\u015f\u0131 olarak ifade edilir.\u00a0Sens\u00f6r mod\u00fcl\u00fc i\u00e7in dahili devre (ters m\u00fchendislik sonra bizim taraf\u0131m\u0131zdan eklenen bile\u015fen de\u011ferleri) a\u015fa\u011f\u0131da verilmi\u015ftir:<\/strong><\/em><\/p>\n

 <\/p>\n

\"PIR-sensor\"<\/a><\/p>\n

 <\/p>\n

Bizim de\u011ferlendirme deneyde, \u00fc\u00e7 sens\u00f6r mod\u00fclleri, tam kapsama \u00fczerinde 180 derece olur, \u00f6yle ki, birbirinden 60 derece yerle\u015ftirilmi\u015f yar\u0131k\u00fcre ve iyi bir kar\u015f\u0131l\u0131kl\u0131 \u00f6rt\u00fc\u015fme ile kullan\u0131l\u0131r.\u00a0Yatay d\u00fczlemde, bireysel hassasiyet a\u00e7\u0131s\u0131 -50 + 50 derecedir.\u00a0Yani a\u015f\u0131r\u0131 a\u00e7\u0131l\u0131\u015f a\u00e7\u0131larda biz 220 derecelik bir yelpazeyi kapsamaktad\u0131r.\u00a0: Veri sayfas\u0131na sonra a\u00e7\u0131sal hassasiyeti gibi g\u00f6r\u00fcn\u00fcyor.<\/strong><\/em><\/p>\n

\"PIR-room_segments-top_view\"<\/a>\u00a0 \"PIR_room_segments-side_view\"<\/a><\/p>\n

Biz sens\u00f6rler \u00f6n\u00fcnde \u00e7\u0131plak organlar\u0131 ile kullan\u0131m i\u00e7in optimize edilmi\u015f hassasiyeti.\u00a0Radar sens\u00f6rleri aksine (2), bu cihazlar sahne ve tiyatro uygulamalar\u0131nda \u00f6nemli bir avantaj oldu\u011fu, hi\u00e7 geriye lopludur.\u00a0Bununla birlikte, cihaz\u0131n dinamik severy sens\u00f6rde \u00fcretilen a\u015f\u0131r\u0131 g\u00fcr\u00fclt\u00fc ile s\u0131n\u0131rl\u0131d\u0131r.\u00a0Pratik de\u011ferler 28dB alt\u0131nda olacak ve bir sonu\u00e7 olarak 5 bitlik bir ADC \u00e7\u00f6z\u00fcn\u00fcrl\u00fck yeterli olacakt\u0131r.<\/strong><\/em><\/p>\n

\"PIR-midi-arm\"<\/a><\/p>\n

Her \u015fey bir Eurocard format\u0131nda (100×160) prototip tahta \u00fczerinde g\u00fczel uyuyor.\u00a0PIR mod\u00fcllerden referans \u00e7\u0131k\u0131\u015f\u0131 \u00e7ok y\u00fcksek empedans (yakla\u015f\u0131k 100k) ve bu nedenle biz bir 470k diren\u00e7 \u00fczerinden ad0 giri\u015f i\u011fnesine (paralel \u00fc\u00e7 referanslar\u0131 ile) o ba\u011flad\u0131.\u00a050Hz giri\u015fimi bast\u0131rmak i\u00e7in, d\u00fc\u015f\u00fck ka\u00e7ak 1\u03bcF kapasit\u00f6r ekledi.\u00a0Dezavantaj\u0131 sens\u00f6r\u00fc, sadece g\u00fcvenilir ca sonra kullan\u0131labilir varl\u0131k.\u00a0Chargeup s\u00fcresi 20 saniye.\u00a0Bir gerilim izleyici opamp ile tamponlama \u00fcst\u00fcn bir \u00e7\u00f6z\u00fcm olurdu …\u00a0Analog \u00e7\u0131k\u0131\u015flar \u00fczerinde 5k1\/10k gerilim b\u00f6l\u00fcc\u00fcler AD giri\u015flerin giri\u015f aral\u0131\u011f\u0131na PIR mod\u00fcllerden \u00e7\u0131k\u0131\u015f aral\u0131\u011f\u0131 (0-5V) uyum vard\u0131r.\u00a010 bit \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc korumak i\u00e7in bu diren\u00e7ler% 0.1 hassasiyet t\u00fcrleri olmak zorunda.\u00a0Veri toplama ve i\u015fleme, LPC2103, 60MHz h\u0131z\u0131nda bir 32 bit i\u015flemci i\u00e7in kullan\u0131lan ARM i\u015flemci, Corridium Corp taraf\u0131ndan \u00fcretilen kalk\u0131nma kurullar\u0131n\u0131n birinde monte edilmi\u015f ve kendi gemide bir alt sistemi olu\u015fturur.\u00a0Bu a\u015fa\u011f\u0131daki resimde g\u00f6sterilmi\u015ftir:<\/strong><\/em><\/p>\n

\"PIR2_003_sm\"<\/a><\/p>\n

Mavi LED onlar sanat\u00e7\u0131lar i\u00e7in sens\u00f6rlerin d\u00fczg\u00fcn i\u015fleyi\u015fi g\u00f6rsel bir g\u00f6sterge vermek \u015fekilde PIR mod\u00fcller aras\u0131nda monte edildi.Sens\u00f6rler PC kart\u0131 \u00fczerinde dik yerle\u015ftirilmi\u015f oldu\u011funu da unutmay\u0131n.\u00a0Bunu sa\u011flamak i\u00e7in uygun bir PC kart\u0131 tasarlanm\u0131\u015f olsayd\u0131, alan\u0131n yakla\u015f\u0131k yar\u0131s\u0131 t\u00fcm bile\u015fenlerini kar\u015f\u0131lamak i\u00e7in yeterli olurdu, konnekt\u00f6rleri A\u00e7\u0131k\u00e7as\u0131 sens\u00f6r mod\u00fcl\u00fc uygun olarak tel sarma IC prizlerin yar\u0131lar\u0131n\u0131 kullan\u0131l\u0131r.\u00a0Prototip, normal bir mikrofon stand\u0131na yerle\u015ftirme i\u00e7in bir montaj iplik ile bir paslanmaz \u00e7elik taban plakas\u0131 ve \u015fasi \u00fczerine monte edildi.<\/strong><\/em><\/p>\n

De\u011ferlendirme:<\/b><\/p>\n

Almak ve verileri i\u015flemek i\u00e7in, dairesel veri \u00fc\u00e7 \u00f6rneklenmi\u015f analog kanallar\u0131 i\u00e7in tampon (10 saniye derin) yan\u0131 s\u0131ra, pencere kar\u015f\u0131la\u015ft\u0131r\u0131c\u0131lar\u0131n\u0131n gelen darbe trenler i\u00e7in alanlar\u0131 i\u00e7eren bir yap\u0131 kurmak.\u00a0Analog veri DC bile\u015feni kald\u0131r\u0131lmas\u0131 ve giderilmesi ve entegre sonra al\u0131nan k\u0131z\u0131l\u00f6tesi radyasyon amplit\u00fcdleri elde edilir.\u00a0Ilk mesafe, bu \u00fc\u00e7 de\u011ferden en b\u00fcy\u00fck ikinci karek\u00f6k\u00fcn\u00fc \u00e7evrilmesi ile hesaplanm\u0131\u015ft\u0131r.\u00a0(D = 1 \/ (SQR (azami_de\u011fer)).\u00a0Ancak, bu nedenle biz kar\u015f\u0131 mesafe al\u0131nan genlik \u00e7izilen ve v\u00fccut sens\u00f6re 1 metre demek daha yak\u0131n geldi\u011finde asl\u0131nda genlik a\u015fa\u011f\u0131 gider fark ettim. Kabul edilebilir sonu\u00e7lara yol vermedi . gibi mesafeler i\u00e7in, fresnel bantlar\u0131 sens\u00f6r \u00fczerinde \u00f6rt\u00fc\u015fen ve birbirini iptal edebilir varl\u0131k a\u00e7\u0131klama. Bunun yerine teorik form\u00fcl\u00fc kullanarak, biz kar\u015f\u0131 mesafe genli\u011fi komplo, bir arama tablosu uygulanmaktad\u0131r. Fakat ima e\u011fri veya daha oldu\u011fu az bir ikinci derece denklem, biz sadece e\u011frisi ters de\u011fil uzak aral\u0131\u011f\u0131nda mesafeler i\u00e7in a\u00e7\u0131k\u00e7a mesafeleri \u00e7\u00f6zebilirsiniz.\u00a0<\/strong><\/em>
\nBu k\u0131s\u0131tlamalar alt\u0131nda mesafe i\u00e7in elde veri olduk\u00e7a g\u00fcvenilir ama hassasiyet a\u00e7\u0131s\u0131ndan, \u00f6l\u00e7\u00fcm (1,5-10 metre) aral\u0131\u011f\u0131nda yakla\u015f\u0131k 5 bit ile s\u0131n\u0131rl\u0131 oldu\u011fu ortaya \u00e7\u0131kt\u0131.\u00a0Bu, yakla\u015f\u0131k 10 derece (4 bit) bir \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011fe sahip tespit g\u00f6vdesinin a\u00e7\u0131sal konumu hakk\u0131nda bilgi elde etmek m\u00fcmk\u00fcnd\u00fcr.\u00a0Bu \u00fc\u00e7 kanal aras\u0131ndaki do\u011frultulmu\u015f ve ortalamas\u0131 genlik de\u011ferleri kar\u015f\u0131la\u015ft\u0131rarak ve farkl\u0131l\u0131klar\u0131 kullan\u0131larak a\u00e7\u0131s\u0131 hesaplanarak yap\u0131ld\u0131.\u00a0<\/strong><\/em>
\nA\u00e7\u0131sal h\u0131z onlar sens\u00f6r\u00fcnden makul bir mesafede yer almas\u0131 ko\u015fuluyla yava\u015f hareket h\u0131zlar\u0131 i\u00e7in olduk\u00e7a iyi belirlenebilir.\u00a0(Diyelim 1m \/ s daha h\u0131zl\u0131), ya da sens\u00f6rler \u00e7ok yak\u0131n daha y\u00fcksek h\u0131zlarda, sonu\u00e7lar \u00e7ok titrek ve g\u00fcvenilmez hale gelir.\u00a0Bu h\u0131z darbe katar\u0131 tamponlar i\u00e7inde son al\u0131nan tam bir s\u00fcre i\u00e7in arama ve 40ms \u00f6rnekleme h\u0131z\u0131 aral\u0131\u011f\u0131na g\u00f6re frekans haline d\u00f6n\u00fc\u015ft\u00fcrme ile elde edilmi\u015ftir.\u00a0<\/strong><\/em><\/p>\n

Sens\u00f6r\u00fc (quod non) m\u00fckemmel ve do\u011frusal davranmak olsayd\u0131, a\u015fa\u011f\u0131daki gibi, bir hareketin traject (a), \u00fc\u00e7genler \u00e7\u00f6zme i\u00e7in kosin\u00fcs kural\u0131n\u0131 kullanarak, t\u00fcretilmi\u015f olabilir:\u00a0<\/strong><\/em><\/p>\n

a ^ 2 = d\u00a0o<\/span>\u00a0^ 2 + d\u00a01<\/span>\u00a0^ 2 – 2d\u00a00<\/span>\u00a0d\u00a01,<\/span>\u00a0sonra iki al\u0131nan darbelerin y\u00fckselen kenar\u0131nda rapor d\u00a0o<\/span>\u00a0d\u00a01<\/span>\u00a0mesafeler\u00a0cos (10 \u00b0),\u00a0s\u00f6z konusu tabloyu aramak Daha \u00f6nce, ancak, bir tek ve ayn\u0131 sens\u00f6r i\u00e7in kar\u015f\u0131l\u0131k gelen de\u011feri i\u00e7in.\u00a0Hareketin h\u0131z\u0131 daha sonra t hem y\u00fckselen kenarlar\u0131 aras\u0131ndaki zaman\u00a0v = a \/ t,\u00a0a\u015fa\u011f\u0131daki gibi.\u00a0Ne yaz\u0131k ki, bu uygulamada yararl\u0131 veri yol de\u011fildir.\u00a0<\/strong><\/em>
\nT\u00fcm ma\u00e7larda, sens\u00f6r yararl\u0131 bilgiler verir ama dinamik giri\u015fine yava\u015f tepki veriyor.\u00a0Bu yava\u015fl\u0131k kullan\u0131lamaz anlaml\u0131 jest ince motorik \u00f6zellikleri hakk\u0131nda bilgi almak i\u00e7in vermektedir.\u00a0B\u00f6ylece kesinlikle bizim sonar ve radar tabanl\u0131 cihazlar i\u00e7in bir alternatif de\u011fil, tamamlay\u0131c\u0131 bilgi veya do\u011frulay\u0131c\u0131 ba\u011flam sa\u011flamak i\u00e7in \u00e7ok yararl\u0131 olabilir.<\/strong><\/em><\/p>\n

Ba\u015fka ara\u015ft\u0131rmalar planlanmaktad\u0131r.\u00a0A\u00e7\u0131sal \u00e7\u00f6z\u00fcn\u00fcrl\u00fck ve reaksiyon s\u00fcresi hem de geli\u015ftirmek i\u00e7in takip i\u00e7in \u00f6nemli par\u00e7alar\u0131ndan biri, Fresnel lensleri pyrosens\u00f6rl\u00fc (ler) \u00f6n\u00fcnde \u00e7ok daha ince rastered kullan\u0131larak olacakt\u0131r.\u00a0Lensin \u00f6n\u00fcne \u00e7ok se\u00e7ici optik d\u00fc\u015f\u00fck k\u0131z\u0131l\u00f6tesi bant ge\u00e7i\u015f filtresinin kullan\u0131m\u0131 da bir s\u0131cakl\u0131\u011f\u0131 kontrol edilen bir ortamda sens\u00f6r\u00fc yerle\u015ftirme gibi, g\u00fcr\u00fclt\u00fc oran\u0131 sinyal geli\u015ftirmek olabilir.\u00a0Teorik gerek\u00e7esiyle, deklan\u015f\u00f6r h\u0131zlar\u0131nda d\u00fc\u015f\u00fck de\u011fil 500 den fr \/ s ve 10 um dalga boylar\u0131 i\u00e7in optimize edilmi\u015f bir duyarl\u0131l\u0131k (bildi\u011fimiz gibi, bu t\u00fcr cihazlar … hen\u00fcz piyasada olmayan) h\u0131zl\u0131 CCD tabanl\u0131 kameralar kullan\u0131m\u0131 sunacak Bu teknoloji \u00f6nemli bir at\u0131l\u0131m.\u00a0Kimse bu d\u00fc\u015f\u00fcnce var gibi g\u00f6r\u00fcn\u00fcyor, neden asl\u0131nda, merak ediyorum.\u00a0Muhtemelen \u00e7\u00fcnk\u00fc elektronik komponent ara\u015ft\u0131rmas\u0131 ve \u00fcretimi en korkun\u00e7 pazarc\u0131lar\u0131n ve mucitler dikte taraf\u0131ndan y\u00f6nlendirilir ki \u00e7ok talihsiz bir ger\u00e7e\u011fi.\u00a0Bu insanlar mal ve yat\u0131r\u0131m korumas\u0131 olduk\u00e7a hareket ve jest analizi i\u00e7in analitik ara\u00e7lar\u0131n perspektifleri hakk\u0131nda daha (h\u0131rs\u0131z alarm sistemleri! Dolay\u0131s\u0131yla \u00f6nemi) odaklan\u0131r.\u00a0Dinamik pyrodetection i\u00e7in in\u015fa edilmi\u015f bir ‘kamera’ jest analizi i\u00e7in video kamera bilgilerini kullanmak i\u00e7in bir\u00e7ok giri\u015fimleri ile ilgili problemlerin \u00e7o\u011funu \u00e7\u00f6zecektir.\u00a0B\u00f6yle bir kamera organlar\u0131 hareket sadece duyarl\u0131 olaca\u011f\u0131n\u0131 ve bu olman\u0131n en \u00f6nemli \u00f6zelli\u011fi, \u00e7evreye herhangi bir bilgi vermediler.\u00a0Ayr\u0131ca, de\u011fi\u015fen \u0131\u015f\u0131k ko\u015fullar\u0131 etkilemez olmaz.\u00a0Biz sadece hareketlerini g\u00f6rmek istiyorum .<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

2007 Bu proje hareket saptanmas\u0131 i\u00e7in \u00fc\u00e7 k\u0131z\u0131l\u00f6tesi sens\u00f6r PIR cihazlar\u0131n\u0131n kombine kullan\u0131m\u0131n\u0131n basit bir…<\/p>\n","protected":false},"author":1,"featured_media":2076,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,19,12],"tags":[282,145,775,773,774],"aioseo_notices":[],"featured_image_urls":{"full":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",556,287,false],"thumbnail":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm-150x150.jpg",150,150,true],"medium":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm-300x154.jpg",300,154,true],"medium_large":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",556,287,false],"large":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",556,287,false],"1536x1536":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",556,287,false],"2048x2048":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",556,287,false],"covernews-slider-full":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",556,287,false],"covernews-slider-center":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",556,287,false],"covernews-featured":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",556,287,false],"covernews-medium":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",540,279,false],"covernews-medium-square":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/PIR2_003_sm.jpg",400,206,false]},"author_info":{"display_name":"Ferhat \u00c7elik","author_link":"https:\/\/devrearsivi.com\/author\/94ferhat\/"},"category_info":"Basit Elektronik Devreler<\/a> Dijital Devreler<\/a> Elektronik Devreler<\/a>","tag_info":"Elektronik Devreler","comment_count":"1","_links":{"self":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2071"}],"collection":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/comments?post=2071"}],"version-history":[{"count":2,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2071\/revisions"}],"predecessor-version":[{"id":2078,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2071\/revisions\/2078"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/media\/2076"}],"wp:attachment":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/media?parent=2071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/categories?post=2071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/tags?post=2071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}