Tongchit Suthisripok, Chanwit Wongrattanapornkul, Somchai Poonyaniran, Adirak Kanchanaharuthai. An LMI approach to output feedback H∞ control design with circular pole constraints for vehicle suspension systems. J. Curr. Sci. Technol. [internet]. 2016 Jun. 21 [cited 2025 Oct. 14];6(1):23-31. available from: https://ph04.tci-thaijo.org/index.php/JCST/article/view/510