Finite-Time Second-Order Sliding Mode Controllers for Spacecraft Attitude Tracking

<table>Control torques—smooth MST controller (<a href="https://static.hindawi.com/articles/mpe/volume-2013/930269/figures/#EEq37">41</a>).</table>

Mathematical Problems in Engineering

Figure 12: Finite-Time Second-Order Sliding Mode Controllers for Spacecraft Attitude Tracking 