Inverted_pendulum Rviz2 Visualization Tf Definitions Rqt_graph Controller Implementation: 1. PI (Proportional- Integral) K_p = 0.27, K_I = 0.26 working_example.mp4 2. LQR (Linear Quadratic Regulator) K = [0, 1.5, 0, 0.4] for state vector = [cart_position, roll angle, cart_velocity, roll_velocity] inverted_pendulum_lqr.mp4