Zhenguo Sun, Yonglei Yin, Sihong Wu. “Research on Online Diagnosis of Electric Actuator Based on Digital Signal Processor”. The International Journal of Multiphysics, vol. 18, no. 2, Aug. 2024, pp. 489 -3, https://themultiphysicsjournal.com/index.php/ijm/article/view/1325.