WARNING: Show the required measurements on the related figures for your

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use the related information on the figures and tables.

This question is related to PI Control at constant error $($Figure$-$A$2)$

$(4)$ a$)$ Calculate PB $($as percent$)$ for Set$-1($bold line$)$

Using Figure$-$A$2$ and TableA$2$ for part$-$a calculations. Record the

calculated results related parts on the Table$-$A$2.$

These questions are related to all of the control modes $($Figure$-2$ and

Table$-2)$

$(4)$ b$)$ Determine all of the offset values on the Figure$-2.$

$(4)$ c$)$ What is the disturbance for SET$-7$ on the Figure$-2$

$(4)$ d$)$ Determine overshoot and oscillation band for set$-4.PS=200m\frac{m}{h}.$

$(4)$ e$)$ Using appropriate sets on the Figure$-2$ compare P and PI controls.

$c(t)=\frac{1}{(PB)}((t)+\frac{1}{{}_{\text{I}}}{\displaystyle \underset{0}{\overset{t}{}}}(t)dt+{}_D\frac{d}{dt})+c_s$

$($General control output equation$)$ Controller Output $(\%)$

graph at constant error. This figure is related to Table$-$A$2$

Table A$2.$ PI Control at constant error

$($controller response, Heater $$ OFF$)$ Figure$-2$ P&PD&PI Control under step change in SP$.$ PS$($mm$/$h$)=200.$

Table $2.$ P&PD&PI Control of heater under Step Function