Model-Based Development of Control Systems for Forestry Cranes

Figure 6

Example of recorded trajectories which resemble finite Fourier series. Each column represents a different data set, which results from an average of many periods. (a) Measured angular position in (rad). (b) Estimated angular velocity in (rad/sec). (c) Estimated angular acceleration in (rad/sec²).

(a)

(b)

(c)