| 1. | This is an example of negative feedback and of proportional control.
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| 2. | Although proportional control is simple to understand, it has drawbacks.
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| 3. | The SE series had proportional control and used a pistol grip style remote control.
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| 4. | These had the advantage of proportional control.
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| 5. | This method is called Proportional control.
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| 6. | "' Proportional control "'is how most drivers control the speed of a car.
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| 7. | Proportional control overcomes this by modulating the output to the controlling device, such as a continuously variable valve.
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| 8. | The pilot valve gives a proportional control over main valve flowrate, with the opening being controlled, slow and gradual.
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| 9. | Glenn switched control to manual-proportional control mode and moved " Friendship 7 " back to the proper attitude.
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| 10. | Alternates to proportional control are proportional-integral ( PI ) control and proportional-integral-derivative ( PID ) control.
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