Electromechanical Dynamics (Part 1).0060

Electromechanical Dynamics (Part 1).0060 - the applied...

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Mechanics T(t) + + (b) Fig. 2.2.4 A torque source: (a) physical; (b) schematic. ideal spring has deformation proportional to force. In our treatment we are concerned almost exclusively with linear springs. We represent a spring physically as in Fig. 2.2.5a and in mechanical circuits as the symbol of Fig. 2.2.5b. The forcef at one end of the spring must always be balanced by an equal and opposite force fat the other end. The force is thus transmitted through the spring much as current is transmitted through an inductance. In the circuit of Fig. 2.2.5b
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Unformatted text preview: the applied forcef is represented as a force source. The spring of Fig. 2.2.5 has a spring constant K and the force is a linear function of the relative displacement of the two ends of the spring. Thus f= K(x 2 -1 -1), (2.2.3) where I is the value of the relative displacement for which the force is zero. I K, I X2 x1 (b) (a) Fig. 2.2.5 A linear ideal spring for translational motion held in equilibrium by a forcef: (a) physical system; (b) circuit. A-PDF Split DEMO : Purchase from www.A-PDF.com to remove the watermark...
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This note was uploaded on 02/10/2012 for the course MECE 4371 taught by Professor Liu during the Fall '11 term at University of Houston.

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