Lecture 4 | MIT 6.832 Underactuated Robotics, Spring 2009
Lecture 4: Optimal control of the double integrator (continued)
Instructor: Russell Tedrake
See the complete course at: http://ocw.mit.edu/6-832s09
License: Creative Commons BY-NC-SA
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Duration : 1:24:53
Tags: acrobot, actuated systems, cart-pole, compass gait, double integrator, energy shaping, feedback control, kneed compass gait, minimum time control, motion planning, nonlinear dynamics, open-loop optimal control, optimal control, partial feedback linearization, policy search, probabilistic road maps, quadratic regulator, Raibert hoppers, randomized motion planning, rimless wheel, running models, simple pendulum, trajectory stabilization, underactuated robotics, walking models
June 15th, 2012 at 12:47 am
On 37:27 Prof. …
On 37:27 Prof. Tedrake cancels the dt out of the limit. I do not get it.
lim_{x->0} f(y)*x = 0
Does not implies f(y) = 0, indeed, any f(y) obey the equality of the limit.
Am I wrong?