By Andrea Willige Ask most people what ‘industrial’ means to them, and it’s likely to be the image of giant ladles pouring hot molten metal into a giant oven. Nothing embodies large scale manufacturing more poignantly than steelmaking in a blast furnace.
A wide variety of equipment is used in industrial plants. This equipment is continuously monitored and checked, which requires a great deal of effort and a wide range of sensor strategies to guarantee proper functioning throughout the lifecycles of the various devices. But none of these sensor strategies take into account one of the most important properties of nearly every device or process: They emit sounds.