Towards Prognostics & Health Management in Lighting Applications

Dick Schenkelaars, Willem W.D. van Driel, Michiel Klompenhouwer, Ingrid Flinsenberg, and Rene Duijve
Submission Type: 
Full Paper
phmec_16_070.pdf844.47 KBJune 29, 2016 - 10:58pm

Title: Towards Prognostics & Health Management in Lighting Applications
Authors: D. Schenkelaars, M. Klompenhouwer, W.D. van Driel, I. Flinsenberg, R. Duijve
Reference: Philips Lighting, High Tech Campus, Eindhoven, The Netherlands
Abstract: Philips Lighting’s revenue is largely influenced by the change from component supplier to supplier of systems, solutions and services. Philips Lighting differentiates from competition by providing high quality and reliable products as we learned in our traditional lighting business and which we continue in our actual LED lighting business. Reliable products start with understanding the physics-of-failure by using accelerated test approaches such as (H)ALT. A classical reliability approach is to use the results from these tests, verified by failure analysis, to obtain conservative bounds from the failure models, and predict failure rates on a system level. A next step beyond this classical approach is to use data analytics in our installed base to determine degraded performance. The data for this analysis can come either from live connections to ‘intelligent’ systems, or from actively retracted (working) products from the field. This allows us to move into the prognostics (PHM) regime where a detailed understanding of failure mechanisms, usage scenarios, technology and design come together.
Until recently costs for implementing PHM in Lighting products or systems was outranging possible cost benefits. Nowadays this is reversing rapidly by the exponential increasing impact of digitization and connectivity of the Lighting Systems. The impact is far beyond the impact on single products, but extends to an ever larger amount of connected systems. Continuously, more intelligent interfacing with the technical environment and with different kind of users is being built-in by using more and different kind of sensors, (wireless) communication, and different kind of interacting or interfacing devices. Especially in professional systems, where many years of use has to be warranted and where system size, cost and complexity are continuously increasing, PHM is required. Where online debugging and adding new features or functions is already common practice, PHM should provide the tools to keep the system within its quality and reliability targets. In the presentation we show our road towards prognostics and demonstrate PHM work being done in different professional Lighting applications as Public Lighting, Office & Industry Lighting and Retail Lighting. While data analytic tools are still premature, first results are achieved and improvement tracks are being defined. We will conclude with our strategy and vision on how to embed cost-effective PHM into lighting applications.

Publication Year: 
Publication Volume: 
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Page Count: 
Submission Keywords: 
Lighting LED System Reliability Degradation Availability Data Analysis Maintenance Model
Submission Topic Areas: 
Component-level PHM
Data-driven methods for fault detection, diagnosis, and prognosis
Health management system design and engineering
Model-based methods for fault detection, diagnostics, and prognosis
PHM for electronics
Physics of failure
Technology maturation
Verification and validation
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