Abstract: Proportional-integral-derivative (PID) controllers play a crucial role in the aerospace industry, ensuring the safety, precision and reliability of various systems. These controllers ...

It’s the stuff of science fiction: walk out to your airplane, strap in, and, instead of a control wheel and assortment of dials and levers, you are presented with a slender device resembling an iPad.

Operators of certain Airbus A350s have been instructed urgently to implement a number of operational and dispatch restrictions over a software snag which could lead to loss of elevator control. The ...