315 HW_1

# 315 HW_1 - ··· n 2 N · 2 . 1.34: m eq = m + J ‘ 2 1 +...

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North Carolina State University Department of Mechanical and Aerospace Engineering MAE 315-1 Dynamics of Machines Summer I, 2010 Homework #1: Due date May 27, 2010 Rao’s Textbook problems: 1.8, 1.17, 1.24, 1.31, 1.34, 1.35 (excluding (d)). Solution : 1.8: k eq = k t 1 + k t 2 + k 1 2 1 + k 2 2 1 + k 3 2 2 . 1.17: k eq = 4 i =1 k ei cos 2 θ i . 1.24: (a). k eq = 5 . 548 × 10 6 Nm/rad , (b). 5 . 5960 × 10 6 Nm/rad . 1.31: J eq = ( J motor + J 1 )+( J 2 + J 3 ) n 1 n 2 · 2 +( J 4 + J 5 ) n 1 n 3 n 2 n 4 · 2 + ··· +( J 2 N + J load ) n 1 n 3 ··· n 2 N - 1 n 2 n 4
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Unformatted text preview: ··· n 2 N · 2 . 1.34: m eq = m + J ‘ 2 1 + 7 m 5 ‘ 2 2 ‘ 2 1 . 1.35: (a). c eq = c 1 + c 2 + c 3 , (b). 1 c eq = 1 c 1 + 1 c 2 + 1 c 3 , (c). c eq = c 1 + c 2 ‡ ‘ 2 ‘ 1 · 2 + c 3 ‡ ‘ 3 ‘ 1 · 2 . Self-study: Go through the tutorials for MATLAB at http://www.mae.ncsu.edu/undergrad/me online courses.html 1...
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## This note was uploaded on 09/08/2010 for the course MAE 315 taught by Professor Wu during the Summer '08 term at N.C. State.

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