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قديم 25-01-2010, 01:39 PM   #31
الاميره الصغيره
( عضو دائم ولديه حصانه )


الصورة الرمزية الاميره الصغيره
الاميره الصغيره غير متواجد حالياً

بيانات اضافيه [ + ]
 رقم العضوية : 9106
 تاريخ التسجيل :  07 2005
 أخر زيارة : 20-03-2010 (12:04 AM)
 المشاركات : 2,503 [ + ]
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لوني المفضل : Cadetblue


Museum of American History,
Washington, D.C.




During World War II, Skinner (1942) trained pigeons to navigate bombs from aircraft so they would hit their targets more accuraنقرتين لعرض الصورة في صفحة مستقلةy. The control system involved a lens at the front of the missile projecting an image of the target to a screen inside, while a pigeon trained (by operant conditioning) to recognize the target pecked at it. As long as the pecks remained in the centre of the screen, the missile would fly straight, but pecks off-centre would cause the screen to tilt, which would then, via a connection to the missile's flight controls, cause the missile to change course. Three pigeons were to control the bomb's direction by majority rule.

Wikipedia, the free encyclopedia

B. F. Skinner (1959). Cumulative Record. New York: Appleton-Century-Crofts


 

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