Research Article

A Novel Design of a Neural Network-Based Fractional PID Controller for Mobile Robots Using Hybridized Fruit Fly and Particle Swarm Optimization

Figure 8

The left and right wheels’ velocity of DDMR for circular trajectory tracking adopting 0.5  MSE + 0.5  (U12 + U22) index. (a) The left and right wheels with NNFOPID and (b) the left and right wheels with NNPID.
(a)
(b)