Q$1(25$ points $)$

Draw a block diagram for the Sit$-$to$-$Stand movement based on the phases shown in the image:

Sitting $($Phase $1)$

Seat off $($Phase $2)$

Standing $($Phase $3)$

Define and label the following components in your block diagram: plant, sensor$,$ input, output, actuator

and controller separately.

Provide a brief description of how each phase of the movement progresses and how the control system

operates to transition from sitting to standing.