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HW4 Solution

# HW4 Solution - Homework4 Solution Question 1(30points An...

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Homework4 Solution MFGE 4376 1 Ingram School of Engineering Question 1 (30points) An engineer used a 3D position sensor to measure the center position of an object. We know the center position of the object on the XY plane is (10,20). He/she obtained the following values when measuring the center: (11.2, 18.5), (11.5, 18.2), (10.9, 17.8) and (11.0, 18.1). What are the accuracy and precision of the robot? 2.1970 ) 20 1 . 18 ) 10 11 ) 20 8 . 17 ) 10 9 . 10 ) 20 2 . 18 ) 10 5 . 11 ) 20 5 . 18 ) 10 2 . 11 4 1 ) ) ) ) ) ) ) ) 4 1 ) ) 1 2 2 2 2 2 2 2 2 2 4 2 4 2 3 2 3 2 2 2 2 2 1 2 1 1 2 2 ( ( ( ( ( ( ( ( Y (Y X (X Y (Y X (X Y (Y X (X Y (Y X (X Y (Y X (X N c c c c c c c c N i c i c i Accuracy

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Homework4 Solution MFGE 4376 2 Ingram School of Engineering Question 1 (Cont) Precision 0.3238 ) 15 . 18 1 . 18 ) 15 . 11 11 ) 15 . 18 8 . 17 ) 15 . 11 9 . 10 ) 15 . 18 2 . 18 ) 15 . 11 5 . 11 ) 15 . 18 5 . 18 ) 15 . 11 2 . 11 4 1 ) ) ) ) ) ) ) ) 4 1 ) ) 1 2 2 2 2 2 2 2 2 2 4 2 4 2 3 2 3 2 2 2 2 2 1 2 1 1 2 2
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