Industrial control systems can be categorized in two types: open-loop and closed-loop systems. The open-loop control system is a continuous control system that provides no feedback from its output.

An inventory control system is a system the encompasses all aspects of managing a company’s inventories; purchasing, shipping, receiving, tracking, warehousing and storage, turnover, and reordering.

Properly managing inventory requires a system of some sort. It doesn't matter if the system consists of writing inventory levels on the back of an envelope or using the most sophisticated radio ...