In cascade and feedforward control the control systems uses two closed -loop systems to correct for system disturbances.

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In cascade control, there is a primary (master) loop and a secondary (slave) loop, where the secondary loop helps in managing disturbances before they affect the primary process variable. Feedforward control anticipates disturbances by measuring them and taking corrective action before they affect the process, often used in conjunction with feedback (closed-loop) control for better disturbance management. Both strategies involve using multiple control loops to address disturbances more effectively.

In Cascade and Feedforward Control the Control Systems Uses Two