Fig. 16
From: Modelling and control of solar-driven humidification–dehumidification desalination plant
![Fig. 16](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs43067-019-0006-z/MediaObjects/43067_2019_6_Fig16_HTML.png)
Variation in pump flow rate for case (1) a PID controller, b NPID controller, c FOPID controller
From: Modelling and control of solar-driven humidification–dehumidification desalination plant
Variation in pump flow rate for case (1) a PID controller, b NPID controller, c FOPID controller