3What is energy harvesting? Vibration Electrical PowerWireless condition monitoring of equipment
4Microgenerator concept Unlimited energy from ambient vibrationFully enclosed unlike wind, solar etc.MassSuspensionTransducer
5Application: condition monitoring 1. To identify failure (diagnosis)No signalOvertemperature2. To identify impending failure (prognosis)DowntimeAccident preventionConsequential damage3. To know why failure occursPull the machine from serviceAnalyse the incipient failureChange what you’re doing
6Value of condition monitoring DesignMaterialsManufactureServiceConditionmonitoringFailure!Analysis
7Size of marketHow many different condition monitoring points can you see in this picture?
19Performance (3): vehicles 3mW… Vibration x Response
20Performance (4): endurance Highly Accelerated Life TestingBefore production, but on production devicesThermal shockVibration and mechanical shockAim: break it!3. To know why failure occursPull the machine from serviceAnalyse the incipient failureChange what you’re doing
21In conclusion Power from vibration Wireless condition monitoring Practical energy sourceWell-characterisedWireless condition monitoringReal installed systems in difficult environments