S. Kumar, Supanna, C Shreesha, and N K. Philip. “Robust PID Controller Design for Rigid Uncertain Spacecraft Using Kharitonov Theorem and Vectored Particle Swarm Optimization”. International Journal of Engineering & Technology 7, no. 2.21 (April 20, 2018): 9–14. Accessed April 27, 2024. https://sciencepubco.com/index.php/ijet/article/view/11825.