Zhiwen Wang, Shunfeng Ji, Amirul Syafiq Sadun, Zheng Chen, Qun Zhuang. A Nonlinear PID Control for Time-varying Batch Processes by Using Particle Swarm Optimization. IJIE [Internet]. 2026 Apr. 15 [cited 2026 Jul. 23];18(1):84-98. Available from: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/24358