3 What is energy harvesting? Vibration Electrical PowerWireless condition monitoring of equipment
4 Microgenerator concept Unlimited energy from ambient vibrationFully enclosed unlike wind, solar etc.MassSuspensionTransducer
5 Application: 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
6 Value of condition monitoring DesignMaterialsManufactureServiceConditionmonitoringFailure!Analysis
7 Size of marketHow many different condition monitoring points can you see in this picture?
19 Performance (3): vehicles 3mW… Vibration x Response
20 Performance (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
21 In conclusion Power from vibration Wireless condition monitoring Practical energy sourceWell-characterisedWireless condition monitoringReal installed systems in difficult environments