Ishak N, Kamarudin AZ, Adnan R. Tracking Control of an Electro-Hydraulic Actuator System using LQR Controller. Elektrika [Internet]. 2021 Aug. 28 [cited 2024 Apr. 29];20(2):8-13. Available from: https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/255