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The exit temperature of the heat exchanger shown below is controlled by adjusting the steam flowrate. Inlet temperature is the only disturbance. The process model is given by: 2.Se TA 0.9e W + 10s +1 -T 5s +1 The valve's dynamics is negligible compared to the process. The following linear relationship holds between the valve output and controller signal that activates the valve: w(t)- w.= 0.40p(1) - P.) where p. = 12mA and w, = 1.71b/sec are the nominal steady states for the valve input and output. The sensor is first order with time constant equal to 4 sec. When its input 7; is a step increase from 120 to 140 F, the sensor output increases from 4 to 20 mA. Design a Feedforward-PID controller that has good setpoint following and disturbance rejection performances. Show your design and simulations using SIMULINK. Document all your results. Include the simulation outputs. The exit temperature of the heat exchanger shown below is controlled by adjusting the steam flowrate. Inlet temperature is the only disturbance. The process model is given by: 2.Se TA 0.9e W + 10s +1 -T 5s +1 The valve's dynamics is negligible compared to the process. The following linear relationship holds between the valve output and controller signal that activates the valve: w(t)- w.= 0.40p(1) - P.) where p. = 12mA and w, = 1.71b/sec are the nominal steady states for the valve input and output. The sensor is first order with time constant equal to 4 sec. When its input 7; is a step increase from 120 to 140 F, the sensor output increases from 4 to 20 mA. Design a Feedforward-PID controller that has good setpoint following and disturbance rejection performances. Show your design and simulations using SIMULINK. Document all your results. Include the simulation outputs