Automakers call it by different names, but many have a system to deactivate some of an engine's cylinders and save you gas. Yet this can bring its own problems.

Mark C. Sellnau, Frederic A. Matekunas, Paul A. Battiston, Chen-Fang Chang, David R. Lancaster, Cylinder-Pressure-Based Engine Control Using Pressure-Ratio-Management and Low-Cost Non-Intrusive ...

It also introduces the concept of closed loop control with the addition of a feedback signal from an oxygen (O2) sensor that monitors the engine exhaust. The presence of oxygen, in the exhaust gas, ...

EUROelectronics is a machine builder that was asked to design a closed-loop hydraulic cylinder control system for a die-casting press machine. The high-speed press moves anywhere from 0 to 10 m/s and ...