Describe one conventional feedback control loop and one cascade control loop for this process, stating, in general terms, the advantages and disadvantages of cascade control compared to conventional
(ππ +1)π₯π΅β²(π )π₯πΉπ΅π πΉβ²(π )βπ₯π΅π πΉπ΅π πΉπ΅β²(π )where πππ΅π has been defined as a parameter.The feedforward controller will be adjusting the product flow rate πΉπ΅β²to maintain the product concentration at the setpoint value π₯π΅π πβ², hence the above becomes:(ππ +1)π₯π΅π πβ²(π )π₯πΉπ΅π πΉβ²(π )βπ₯π΅π πΉπ΅π πΉπ΅β²(π )π₯π΅π πΉπ΅π πΉπ΅β²(π )π₯πΉπ΅π πΉβ²(π )β(ππ +1)π₯π΅π πβ²(π )πΉπ΅β²(π )π₯π₯π΅π [πΉβ²(π )βπΉπ΅π π₯(ππ +1)π₯π΅π πβ²(π )]Therefore, the feedforward controller adjusts the product flow rate πΉπ΅β²(π‘)as a function of the measured feed flow rate πΉ(π‘)(disturbance). The main disadvantage of this control scheme […]