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<p>to perform the <a href="page.php?w=triple_modular_redundancy">same computation using three different systems</a>. Different results indicate a fault in the system.<br/>
*<a href="page.php?w=Drive-by-wire">Drive-by-wire</a> and <a href="page.php?w=fly-by-wire">fly-by-wire</a> controls such as an Accelerator Position Sensor typically have two potentiometers which read in opposite directions, such that moving the control will result in one reading becoming higher, and the other generally equally lower.  Mismatches between the two readings indicates</p><p>
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