engineering recuitment HAL Management & Design Trainee Mock Test 2023 Control Systems Basics of Control Systems Closed Loop Control Systems
Which one of the following represents the linear mathematical model of the physical system shown in the Fig.?
1
\(M\frac{{{d^2}{x_1}}}{{d{t^2}}} + B\frac{{d{x_1}}}{{dt}} = k\left[ {{x_1} - {x_2}} \right]\)
2
\(M\frac{{{d^2}{x_2}}}{{d{t^2}}} + B\frac{{d{x_2}}}{{dt}} = k\left[ {{x_2} - {x_1}} \right]\)
3
\(M\frac{{{d^2}{x_1}}}{{d{t^2}}} + B\frac{{d{x_1}}}{{dt}} = k\left[ {{x_2} - {x_1}} \right]\)
4
\(M\frac{{{d^2}{x_2}}}{{d{t^2}}} + B\frac{{d{x_2}}}{{dt}} = k\left[ {{x_1} - {x_2}} \right]\)