An introduction to electronics
An introduction to electronics

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An introduction to electronics

1.2 The sensing–logic–actuation cycle in practice

Watch the video below, which is a promotional video for Oxboard showing a child riding one of their two-wheeled devices. It is remarkable how the board responds to the way the rider moves his feet and body, and how controllable it is.

Download this video clip.Video player: A child riding an Oxboard
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A child riding an Oxboard
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Figure 6 gives some of the details of the Oxboard’s construction and use.

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Figure 6  The Oxboard product description

Think about the sensing–logic–actuation cycle for the Oxboard transporter system. The board has sensors to detect the way the rider moves his feet and body. It uses logic to compute all the complicated forces associated with the motion; based on that information, it controls the two actuators (motor-driven wheels) to transport the rider in his desired direction.


Draw a sensing–logic–actuation cycle for the Oxboard transporter using Figure 1 as a template.


A possible answer is shown in Figure 7.

Described image
Figure 7  The sensing–logic–actuation control cycle for the Oxboard transporter

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