Predictive maintenance (PdM) is the servicing of equipment when it is estimated that service will be required. Maintaining machinery and electronics is most cost-effective if done when it is needed, within a certain tolerance. Predictive maintenance ensures that servicing doesn't happen too soon, wasting money on unnecessary work, or too late, after wear and time have caused undue deterioration. PdM has been improved by advances in wireless networking, sensor and communication technologies and management software developed for the Internet of Things (IoT), particularly the Industrial IoT. The growing availability and lowering costs of sensor devices and associated technology have enabled companies to install sensor devices on all key equipment and machinery that then stream live data of a machine's condition to a management platform. With the help of predictive analytics programming, software in the management platform is able to prepare a maintenance and service schedule to keep the equipment in optimal condition. This, in turn, also leads to higher OEE (overall equipment effectiveness), a metric which measures an asset's availability together with its quality and performance. |
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