{"id":7367,"date":"2015-12-26T03:27:06","date_gmt":"2015-12-26T01:27:06","guid":{"rendered":"http:\/\/www.ilkkimbuldu.com\/?p=7367"},"modified":"2017-01-04T18:21:07","modified_gmt":"2017-01-04T16:21:07","slug":"sensor-kim-buldu","status":"publish","type":"post","link":"https:\/\/www.ilkkimbuldu.com\/?p=7367","title":{"rendered":"Sens\u00f6r\u00fc kim buldu"},"content":{"rendered":"

Sens\u00f6r’\u00fc kim icat etti sorusunun cevab\u0131, s\u00f6z konusu sens\u00f6r\u00fcn t\u00fcr\u00fcne ba\u011fl\u0131 olacakt\u0131r. Elektrikli termostat i\u00e7in s\u0131cakl\u0131k sens\u00f6r\u00fc<\/strong>n\u00fcn mucidi Warren S. Johnson<\/strong>‘d\u0131r. Bug\u00fcnk\u00fc modern standartlara g\u00f6re ham g\u00f6r\u00fcn\u00fcyor olsalar da, s\u0131cakl\u0131k sens\u00f6rleri bug\u00fcnk\u00fc d\u00fc\u015f\u00fck kaliteli termostatlardan daha iyi bir derece do\u011frulukta alg\u0131lama yapabiliyordu.\u00a0Bir alarm sistemi i\u00e7in kullan\u0131lan ilk hareket sens\u00f6r\u00fc<\/strong> 1950’lerin ba\u015f\u0131nda geldi ve Samuel Bagno<\/strong>‘nun icad\u0131yd\u0131. Cihaz\u0131nda Doppler Efekti ve ultrasonik frekanslar kullan\u0131ld\u0131.<\/p>\n

Sens\u00f6r<\/b> ya da alg\u0131lay\u0131c\u0131<\/b>, otomatik kontrol sistemlerinin duyu organlar\u0131na verilen add\u0131r. \u0130nsanlar\u0131n \u00e7evrelerinde olup bitenleri duyu organlar\u0131yla alg\u0131lamas\u0131na benzer bi\u00e7imde, makineler de s\u0131cakl\u0131k, bas\u0131n\u00e7, h\u0131z ve benzeri de\u011ferleri alg\u0131lay\u0131c\u0131lar\u0131 vas\u0131tas\u0131yla alg\u0131larlar. \u00d6rne\u011fin, bir s\u0131cakl\u0131k alg\u0131lay\u0131c\u0131s\u0131 de\u011fi\u015fen ortam s\u0131cakl\u0131\u011f\u0131na ba\u011fl\u0131 olarak bacaklar\u0131 aras\u0131nda elektrik potansiyel fark\u0131 (gerilim) olu\u015fturur. Bu bilgi bir mikro denetleyiciye aktar\u0131ld\u0131\u011f\u0131nda kapal\u0131 \u00e7evrim bir s\u0131cakl\u0131k kontrol \u00fcnitesi elde edilir.<\/p>\n

Alg\u0131lay\u0131c\u0131; \u0131s\u0131, \u0131\u015f\u0131k, nem, ses, bas\u0131n\u00e7, kuvvet, elektrik, uzakl\u0131k, ivme ve pH gibi fiziksel ya da kimyasal b\u00fcy\u00fckl\u00fckleri elektrik sinyallerine \u00e7eviren d\u00fczeneklerin genel ad\u0131d\u0131r.<\/p>\n

Pek \u00e7ok tipte \u0131\u015f\u0131k alg\u0131lay\u0131c\u0131s\u0131 vard\u0131r. Foto diren\u00e7, foto diyod, foto transist\u00f6r, fotosel bunlara \u00f6rnek olarak verilebilir.<\/p>\n

Kuvvet \u00f6l\u00e7\u00fcm\u00fcnde kullan\u0131lan alg\u0131lay\u0131c\u0131lara \u00f6rnek olarak gerilim \u00f6l\u00e7er verilebilir. Kapasitif ve end\u00fcktif prensipte \u00e7al\u0131\u015fan kuvvet \u00f6l\u00e7erler de vard\u0131r.<\/p>\n

Is\u0131 alg\u0131lay\u0131c\u0131lar\u0131na \u00f6rnek olarak ise \u0131s\u0131l ikili ve termistor verilebilir.<\/p>\n

Foto\u011fraf makinesi, video kamera gibi say\u0131sal (dijital) g\u00f6r\u00fcnt\u00fcleme ayg\u0131tlar\u0131nda, g\u00f6r\u00fcnt\u00fc bilgilerini alg\u0131layan ve elektronik ortamda i\u015flenebilir sinyallere d\u00f6n\u00fc\u015ft\u00fcren temel \u00f6gedir.<\/p>\n

I\u015f\u0131\u011fa duyarl\u0131 alg\u0131lay\u0131c\u0131lar bunlara ba\u011fl\u0131 olan mikroi\u015flemci sayesinde, yakalanan g\u00f6r\u00fcnt\u00fcy\u00fc say\u0131sal ortama aktar\u0131r. Resim kalitesini belirleyen tek etmen kullan\u0131lan alg\u0131lay\u0131c\u0131 de\u011fildir. Optik sistem ve verinin firmware (donan\u0131m yaz\u0131l\u0131m\u0131) ile i\u015flenme \u015fekli de ayr\u0131 bir \u00f6nem ta\u015f\u0131r.<\/p>\n

Dijital kameralarda ba\u015fl\u0131ca iki t\u00fcr alg\u0131lay\u0131c\u0131 kullan\u0131l\u0131r. Bunlardan biri CCD (\u0130ngilizce: Charge-coupled Device<\/i>) alg\u0131lay\u0131c\u0131, di\u011feri ise CMOS (\u0130ngilizce: Complementary Metal Oxide Semiconductor<\/i>) alg\u0131lay\u0131c\u0131d\u0131r. \u00dc\u00e7 rengi tek pikselde yakalayabilen Foveon adl\u0131 bir alg\u0131lay\u0131c\u0131 t\u00fcr\u00fc de vard\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"

Sens\u00f6r’\u00fc kim icat etti sorusunun cevab\u0131, s\u00f6z konusu sens\u00f6r\u00fcn t\u00fcr\u00fcne ba\u011fl\u0131 olacakt\u0131r. Elektrikli termostat i\u00e7in s\u0131cakl\u0131k sens\u00f6r\u00fcn\u00fcn mucidi Warren S. Johnson‘d\u0131r. Bug\u00fcnk\u00fc modern standartlara g\u00f6re ham g\u00f6r\u00fcn\u00fcyor olsalar da, s\u0131cakl\u0131k…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2828],"class_list":["post-7367","post","type-post","status-publish","format-standard","hentry","category-teknoloji","tag-sensor"],"_links":{"self":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/7367"}],"collection":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7367"}],"version-history":[{"count":3,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/7367\/revisions"}],"predecessor-version":[{"id":8014,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/7367\/revisions\/8014"}],"wp:attachment":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}