1. A simple event-based PID controller;Åarzén;IFAC Proc. Vol.,1999
2. PID controller : Working, types, advantages & its applications;Agarwal;ElProCus,2021
3. Backpropagation and stochastic gradient descent method;Amari;Neurocomputing,2003
4. Digital twins for bioprocess control strategy development and realisation;Appl;Adv. Biochem. Eng. Biotechnol.,2020
5. Thermophysical properties of helium-4 from 0.8 to 1500 K with pressures to 2000 MPa;Arp,1989