Research Article

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

Table 3

Quantified results under condition .

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

Proposed controller 3.31 3.82

Conventional controller 3.12 3.82

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

Proposed controller 2.31 2.01

Conventional controller 2.10 2.10

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

Proposed controller 2.64 2.53

Conventional controller 2.75 2.94