Problem 2.- (30 Points) Assume that we want to use a servo motor to control the

Question

Problem 2.- (30 Points) Assume that we want to use a servo motor to control the dial of an analog gas tank meter as shown in figure 2. H-0 E:-45° F=+45° TOWER PRO +90° -90° to b) a) HHB FUEL wema d) c) Figure 2 Assume that we have a standard servo motor (Figure 2a) that can rotate from -90° ccW to 90° CW as shown in figure 2b, and that the Pulse Width used to control the servo motor position can change in the range from 1 to 2 ms We want to use the servomotor to control the dial position of the Gas Tank meter as shown in figure 2c. Notice that the position for the Empty is located at -45° CCW, the position for Half tank is located at 0° and the position for the Full tank is located at the 45° CVw Assume that the tank capacity is 20 Gallons. So E means 0 Gallons, H means 10 Gallons and . F means 20 Gallons are in the tank.

Explanation / Answer

Dlequation=1.75+1.25(s)=3 millions sec

Dlrange=5-1.75=3.25millon sec

Tl=low is not requried when using servo

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