Research Article

An LMI-Based Simple Robust Control for Load Sway Rejection of Rotary Cranes with Double-Pendulum Effect

Table 2

Quantified results under condition .

Control method The maximum value of tracking error [deg] The maximum value of tracking error [deg]

Proposed controller 3.25 3.84

Conventional controller 3.08 3.84

ā€‰ The maximum value of hook sway angle [deg] The maximum value of hook sway angle [deg]

Proposed controller 2.20 1.70

Conventional controller 1.92 1.82

ā€‰ The maximum value of load sway angle [deg] The maximum value of load sway angle [deg]

Proposed controller 2.49 2.14

Conventional controller 2.61 2.56