| Mass of 4-bar linkage module | 0.335 kg |
| Mass of single link | 0.065 kg |
| Length of a single bar in linkage | 0.127 m |
| Mass of pendulum (with T-fitting) | 0.127 kg |
| Mass of 2 DOF hinge with 2 encoders | 0.30 kg |
| Full length of pendulum (pivot to tip) | 0.3365 m |
| Link moment of inertia about cog | 8.74 x 10-5 kg.m² |
| Link moment of inertia about pivot | 3.49 x 10-4 kg.m² |
| Encoder sensitivity on 2 DOF IP joint | 0.0879 deg/count |
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Overview
The 2 DOF Inverted Pendulum module consists of an instrumented 2 DOF joint to which a 12-inch rod is mounted. The rod is free to swing about two orthogonal axes. The module is attached to two Rotary Servo Base Units. Their servomotors’ output shafts are coupled through a four-bar linkage, i.e., 2 DOF Robot module, resulting in a planar manipulator robot. The 2 DOF Joint is attached to the end effector of the robot arms.
The goal of the 2 DOF Inverted Pendulum experiment is to command the position of the 2 DOF Robot end effector to balance the pendulum. By measuring the deviations of the vertical pendulum, a controller can be used to rotate the servos, so that the position of the end effector balances the pendulum.
2 DOF Inverted Pendulum module easily attaches to the Rotary Servo Base Unit
Inverted pendulum mounts at the end of the 2 DOF Robot linkage arms
Configurable for two experiments: 2 DOF Inverted Pendulum and 2 DOF Gantry (pendulum mounts on top or below the linkage arms)
2 DOF Joint allows the pendulum to rotate in both orthogonal axes
High-resolution encoders to sense pendulum link angles
Additional information
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