The pendulum shown in Fig. 1 has a mass, m, attached to a frictionless pivot, point...
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The pendulum shown in Fig. 1 has a mass, m, attached to a frictionless pivot, point O, through a massless bar whose length is can swing in the gravitational field. Note that the angular displacement (t) is unconstrained and that an input torque 7 can be applied at the pivot. Answer the followings on the pendulum system. ~ massless bar l = 1 m O m=1kg mass m= Figure 1: A 1-DOF manipulator. 30°. (a) Derive the nonlinear model of the pendulum system. (b) Using the perturbation method, find the linearized dynamics of the system around (c) Design a PD controller for the linearized system such that a small change in the desired position from 30° to 40° takes less than 0.5 seconds (based on ±2% error) with maximum overshoot less than 10%. = (d) Now, simulate the PD controller with the actual nonlinear dynamics of the pendulum for a step change from 30° to 40° and check if the response is identical to what you expected to get in Part (c). (e) Repeat Part (d) with the actuator with a limited torque at 15 Nm. F = [ The pendulum shown in Fig. 1 has a mass, m, attached to a frictionless pivot, point O, through a massless bar whose length is can swing in the gravitational field. Note that the angular displacement (t) is unconstrained and that an input torque 7 can be applied at the pivot. Answer the followings on the pendulum system. ~ massless bar l = 1 m O m=1kg mass m= Figure 1: A 1-DOF manipulator. 30°. (a) Derive the nonlinear model of the pendulum system. (b) Using the perturbation method, find the linearized dynamics of the system around (c) Design a PD controller for the linearized system such that a small change in the desired position from 30° to 40° takes less than 0.5 seconds (based on ±2% error) with maximum overshoot less than 10%. = (d) Now, simulate the PD controller with the actual nonlinear dynamics of the pendulum for a step change from 30° to 40° and check if the response is identical to what you expected to get in Part (c). (e) Repeat Part (d) with the actuator with a limited torque at 15 Nm. F = [
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a The nonlinear model of the pendulum system is ml2mgrsin Where is the ang... View the full answer
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