Fractional Order-Sliding-Mode Controller for Regulation of a Nonlinear Chemical Process with Variable Delay Topics: Engineering Applications; Knowledge-Based Systems Applications; Nonlinear Signals and Systems; Systems Modeling and Simulation; Systems Modeling and Simulation In Proceedings of the 20th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, 131-139, 2023 , Rome, Italy