For a Mechanical Engineering System Dynamics class
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For a Mechanical Engineering System Dynamics class 3. A system is modeled with the following equations....
A system is modeled with the following equations. * = y – 5x + d(t) y = 10f (t) – 30x The outputs are x(t) and y(t); the inputs are f(t) and d(t). a) b) c) d) e) From the two equations above, draw a complete block diagram for the model with X(s) at the rightmost position and F(s) at the leftmost position. All arrows must be shown clearly. Indicate the location of y(s) in the block diagram. Using any...
A system is modeled with the following equations. x = y - 5x + d(t) y = 10f () - 30x The outputs are x(t) and y(t); the inputs are f(t) and d(t). a) b) c) d) e) From the two equations above, draw a complete block diagram for the model with X(s) at the rightmost position and F(s) at the leftmost position. All arrows must be shown clearly. Indicate the location of y(s) in the block diagram. Using any...
3 A system is modeled with the following equations. * = y–5x+d(t) j = 10f (t)- 30x The outputs are x(t) and y(t); the inputs are f(t) and d(t). a) From the two equations above, draw a complete block diagram for the model with X(s) at the rightmost position and F(s) at the leftmost position. All arrows must be shown clearly. b) Indicate the location of y(s) in the block diagram. c) Using any of the two methods, find the...
3. A system is modeled with the following equations. x = y-5x+d(t) j = 10f(t) – 30x The outputs are x(t) and y(t); the inputs are f(t) and d(t). a) b) c) d) e) From the two equations above, draw a complete block diagram for the model with X(s) at the rightmost position and F(s) at the leftmost position. All arrows must be shown clearly. Indicate the location of y(s) in the block diagram. Using any of the two methods,...
For a Mechanical Engineering System Dynamics class 2. i) Obtain the state model for the reduced-form model 28 +62 + 12x = 10y(t). Use x, and xz as the state variables. Put the equations in standard form and find [A] and [B] matrices. Given the state variable model x = x; – 5x, + f (1) * = -30x, +10f2(1) where f(t) and f (t) are the inputs, and the output equations y = x, - x2 + f,0 Y2...
For a Mechanical Engineering System Dynamics class 1. 4 C(s) 1 S A system has a block diagram as shown. The input is R(s) and the output is C(s). a) Using only the block diagram reduction method*, R(s) find the transfer function of the system. b) Determine the characteristic function and the order of the system. c) Find the characteristic roots of the system. d) Find the natural frequency of the system. Find the damped natural frequency of the system....
Problem 5. Consider the dynamics of two mass mechanical system captured by d2xi(t) Middt?t2+k(x1(t)-x2(t)) = f(t) d'x2(t) dt2 + k(x2(t)-x where M, , M2, and k are constants. Suppose the input is () and the output is X2 (t), find the transfer function G(s) of the system. Note: Consider all zero initial conditions.
2. In many mechanical positioning systems there is flexibility between one part of the system and another. The figure below depicts such a situation, where a force u(t) is applied to the mass M, and another mass m is connected to it. The coupling between the objects is often modeled by a spring constant k with a damping coefficient b, although the actual situation is usually much more complicated than this. y(t) m M ut) no friction no friction a)...
(3) For the system modeled by with output defined as a) Find the system's transfer function(s) E(t) +3z(t) +2x(t)-Sult) b) Find the system's pole(s) (if any) and zero(s) (if any) c) Find n(t →x) if u(t)-G 120) 0 t<0 e) Find the frequency response function corresponding to output y 1) Find steady-state ya(t) if u(t) 3sin(21)
PROBLEM 1 (35 %) The mechanical system in the figure below consists of a disk of radius r, a block of mass m, a spring of stiffness (spring constant) k, and a damper with damping ratio b. The disk has moment of inertia Jabout its center of mass (pivot point O), and the block is subjected to an external force t) as shown in the figure. The spring is unstressed when x 0= 0. Assume small 0. (a) (10 points)...