Prognostics and health monitoring of high power led driver

Ideal for automotive, industrial, and general lighting applications, these devices contain a high side nchannel mosfet switch with a current limit of 1. System health is generally assessed in the actual operating environment. Prognostics and health monitoring of high power led open. A prognostic health management phm method based on the state variables and state. To study the led driver degradation owning to these critical components, such as power mosfets, diodes and aluminum electrolytic capacitors, the components performance parameters which can reflect their degradation need monitoring. Therefore, it is recommended that this type of situation is avoided. Prognosticsbased qualification of highpower white leds. Led arrays with eight midpower led pack ages connected in series. Prognostics and health monitoring of high power led article pdf available in micromachines 34 december 2012 with 377 reads how we measure reads. Light emitting diodes leds are optoelectronic microdevices that are now. Methodology of reliability enhancement for high power led. Max16834 highpower led driver with integrated highside led. Research on health monitoring of led lighting system. The lm3404 and lm3404hv devices are monolithic switching regulators designed to deliver constant currents to high power leds.

Advanced diagnosticprognostic solutions for complex information technology it networks an104. Prognostics health management model for led package. In order to acquire remarkable effects, accelerated aging test is adopted in this paper. For some led applications there is a requirement to monitor the health of led lighting systems and. Because the proposed led driver has high efficiency and a long lifetime with a high power factor pf and low total harmonic distortion thd characteristics, it is quite adequate for industrial. Roi after implementing phm in an aircraft may be as high as 0. The development of lightemitting diode led technology has resulted in widespread solid state lighting ssl use in consumer and industrial applications. It is well known that the lumen flux degrades over time under usage conditions, and the failure threshold is defined when the flux fades by 30% or 50% of the initial rated value. Prognostics is seen as a key component of health usage monitoring systems, where prognostics algorithms can both detect anomalies in the behaviorperformance of a microdevicesystem, and predict its remaining useful life when subjected to monitored operational and environmental. Remote monitoring of led lighting system performance.

Prognostics and health monitoring of high power led. Research on health monitoring of led lighting system ieee xplore. Led arrays with eight mid power led pack ages connected in series. If you are mainly looking for 2020 newest led high power lamp and led high power lamp factory, here you will find all the options you can ever have imagined. Towards accelerated aging methodologies and health. Assessing the reliability of electrical drivers used in.

Methodology of reliability enhancement for high power led driver. Concepts and components in phm have been developed separately in many. A remaining useful life prediction method based on condition monitoring for led driver. Pdf prognostics and health monitoring of high power led. The top causes of led driver failure mean well australia.

Prognostics and health management phm is a framework that offers comprehensive yet individualized solutions for managing system health. Prognostic health management phm solutions for battery packs used in critical applications an107. Vehicle remote health monitoring and prognostic maintenance. Pecht center for advanced life cycle engineering calce university of maryland, college park, md 20742 usa abstract data collection is an essential part of a prognostics and health monitoring approach and often requires. We designed and constructed a lowcost, linear driver circuit capable of driving leds from dc to 35 mhz, at high power, and which permit fluorescence cw and lifetime measurements. Prognostics and health management phm is a technology to enhance the effective reliability and availability of a product in its life cycle conditions by detection of current and approaching failures and by providing for mitigation of the system risks. Prognostics and health management in automotive and.

Open or short led string management automatic self supply applications acdc led driver bulb replacement lamps up to 7 w, with high power factor acdc led drivers up to 7 w description the hvled807pf is a high voltage primary switcher intended for operating directly from the rectified mains with minimum external parts and enabling high power. One of the main problems with the iestm21 and iestm28 standards are that the lumen maintenance. Prognostics is seen as a key component of health usage monitoring systems, where. The test sa mples were prepared by detaching the led arrays from the fixture driver and readying the led arrays to be used with direct current dc power supplies. A remaining useful life prediction method based on. It is a high efficient chip which is designed to deliver constant current to power high intensity imagecatalog star leds. Prognostics and health monitoring of high power led core.

Technology assessment of sensor systems for prognostics. The use of remote power supplies ensures a low running temperature and outstanding longterm performance, along with ease of future maintenance. Another vehicle health monitoring system was presented by murakami et al. Using samsung smd led technology and a highgrade diffusion facia, the result is a homogeneous light output. Ideal for automotive, industrial, and general lighting applications, these devices contain a highside nchannel mosfet switch with a current limit of 1. Integrated vehicle health management is a broad ranging set of capabilities aimed at using data from high valued assets to affect decisions as to their maintenance and operation for business benefit. Technology assessment of sensor systems for prognostics and health monitoring brian a. Health monitoring of igbts in automotive power converter. Lighting is one of the most important of all building systems, and we offer buyers thousands products of lights to choose from including modern, indoor, outdoor and bathroom lighting.

A multiplexing offline led driver achieves high power factor and flickerfree operation fang, p. The max16818 is suitable for use in synchronous and nonsynchronous stepdown buck topologies, as well as in boost, buckboost, sepic, and cuk led drivers. The units maintain a high cri of 83 and over 70lm per circuit watt. Light emitting diodes leds are optoelectronic microdevices that are now replacing traditional. Institute of electrical and electronics engineers inc. If you want to drive the led to max, and use a lineair control circuit heat, then use a 5volt34amp supply. A prognostics and health management roadmap for led lighting. Zhai, a remaining useful life prediction method based on condition monitoring for led driver. A novel measure to analyse the reliability of led luminaires. For highpower white led, the lumen flux is usually selected as a performance or health indicator. Prognostics is seen as a key component of health usage monitoring systems, where prognostics algorithms can both detect anomalies in the behaviourperformance of a microdevicesystem, and predict its remaining useful life when subjected to monitored operational and environmental conditions.

One more system for health monitoring was proposed by ng et al. Description the max16834 is a currentmode highbrightness led hb led driver for boost, boostbuck, sepic, and highside buck topologies. Assessment of lumen degradation and remaining life of. Rd2000 testbed for switch mode power supplies an103 igbt prognostics used in trains. Features of mbi6651 help make its applications safer, such as uvlo under voltage lock out, over temperature protection, led opencircuited protection and led shortcircuited protection. You must have your reasons to use a high power rgb led. Prognostics health management phm is the interrogation of system state and the assessment of product survivability in deployed systems using nondestructive assessment of underlying damage. Introduction prognostics and health monitoringis a technology monitor degraused to dation in engineering systems, understand when failure may occur, and provide a cost effective strategy for scheduled maintenance. Recently, prognostics and health management phm has emerged as a key technology to overcome the limitations of traditional reliability analysis.

It can be used to deliver business value by increasing availability avoiding unscheduled maintenanceshop visits, reducing planned shop visit frequencymatched to use or improve the user experience which in turn drives brand. In the case of prognostics and health monitoring of high power leds, and are the mean values of current through the pn junction and pn junction temperature under typical operating conditions. Microelectronics packaging technology roadmaps, assembly reliability, and prognostics 547 fig. Prognostics and health monitoring of high power led mdpi. In addition to driving an nchannel power mosfet switch controlled by the switching controller, it also drives an nchannel pwm dimming switch to achieve led pwm dimming. Health monitoring and prognostics health monitoring exists for a purpose raising business revenue. The book prognostics and health management of electronics 6 provides an overview of the concepts of phm and the techniques being developed to enable prognostics for electronic products and systems. Prognostics is seen as a key component of health usage monitoring systems, where prognostics algorithms can both detect anomalies in the behaviorperformance of a microdevicesystem, and predict its remaining useful life when subjected to monitored operational and environmental conditions. The range of lights manufacturers,wholesalers we represented is extensive. System was able to detect any problem or fault in sensors or actuators. Prognostics health management model for led package failure. Offline led driver with primarysensing and high power. It operates from a 6v to 60v input voltage range and supplies up to 1a of output current.

While the idea for ivhm started in space many years ago, it was not until the. Prognostication of led remaining useful life and color stability in. Health monitoring of igbts in automotive power converter systems date. Be sure to consider all the options you might be able to find such as led light, led lamp, led lighting. Led driver to monitor the health of led packages and products. The max16818 pulsewidth modulation pwm led driver controller provides high outputcurrent capability in a compact package with a minimum number of external components. Technology assessment of sensor systems for prognostics and. Acdc led driver bulb replacement lamps up to 15 w, with high power factor acdc led drivers up to 15 w description the hvled815pf device is a high voltage primary switcher intended for operating directly from the rectified mains with minimum external parts and enabling high power factor 0. The driver can provide a maximum led current of up to 10 a and maximum forward voltage of up to 50 v. Prognostics and health management phm is a method that permits.

Abstractprognostics and health monitoring phm is an important and growing focus in the design and maintenance of complex systems. However, if this could shorten the life of the led driver. Presenting a survey for a eld as diverse as cbm could be a daunting task. In an industry such as this, the reliability of a component is critical and vehicle manufacturers have.

The choice of supply is very important if you want to keep heat under control. Functional block diagram the adt6752 is a current mode stepdown converter with integrated low side nmos power switch. A lowcost, linear, dc 35 mhz, highpower led driver for. A patent analysis of prognostics and health management phm. Prognostics and health management center, city university of hong kong. Assessing the reliability of electrical drivers used in led. Max16834 highpower led driver with integrated highside.

Failure to check the derating curve could mean you inadvertently put the led driver into an overload situation. Led product to connect the driver with the mainline power in the wall. The dc2200 led driver is designed to power many of thorlabs leds, including the solis highpower leds for microscopy, thorlabs mounted leds, and thorlabs fiber coupled leds. Health monitoring of igbts in automotive power converter systems. It is well known that the lumen flux degrades over time under usage conditions, and the failure threshold is defined when the flux fades by 30% or 50% of the initial rated value 11. The itrs projects that by 20202025, many physical dimensions are expected to be crossing the 10 nm threshold. A remaining useful life prediction method based on condition monitoring for led driver yuege zhou, xuerong ye, guofu zhai research on diagnostics and prognostics of fpgabased system wei guo, cheng gao, yue sun failure prediction of electrolytic capacitors in switchingmode power converters. Ed i will be computed for the new observation data as follows i. We combined the bl3000 led matrix, lamina lens array, and high power pp600 led driver all available from commercial vendors to create a pulsed excitation source capable of generating bright and uniform illu mination field over a large recording area.

It is being applied to a wide range of problems, from industrial machines to avionics systems. A return on investment analysis of applying health monitoring. Research on the health status monitoring model and monitoring system of destruction equipment for high risk goods based on the fuzzy combinationmode 275 hongyuanzhang, yantiangli, jingzhang. The driver circuit has been tested in combination with a custom. Offline led driver with primarysensing and high power factor. Phm focuses on utilizing sensory signals acquired from an engineered system to monitor the health condition and predict the remaining useful life of the system over its lifetime. Proceedings of the ieee 2012 prognostics and system health management conference, 2325 may 2012, pp. Not sure if these would be useful, phillips makes 60 w led light bulbs that are blue leds surrounded by yellowish plastic that converts some of the blue to yellow and red to give white light. The led array was placed in a laboratory oven and was driven with a constant forward current of 240 ma using a dc power. The driver can provide a maximum led current of up to 10 a.

Towards accelerated aging methodologies and health management. Main prognostics and health management of electronics. Open or short led string management automatic self supply applications acdc led driver bulb replacement lamps up to 7 w, with high power factor acdc led drivers up to 7 w description the hvled807pf is a highvoltage primary switcher intended for operating directly from the rectified mains with minimum external parts and enabling high power. The driver circuit has been tested in combination with a custom made led board containing twelve 18 mw nir leds. For high power white led, the lumen flux is usually selected as a performance or health indicator. Prognostics and health management phm is an extension of conditionbased maintenance of critical systems 9,10. A remaining useful life prediction method based on condition. The dc2200 led driver is designed to power many of thorlabs leds, including the solis high power leds for microscopy, thorlabs mounted leds, and thorlabs fiber coupled leds. Structural health monitoring can include applications on very different structures with very different requirements. Advanced diagnostics and prognostics ridgetop group.

A return on investment analysis of applying health. The led driver will power off until the fault condition is removed, when it will power up again. Prognostics is seen as a key component of health usage monitoring systems, where prognostics algorithms can both detect anomalies in the behaviourperformance of a microdevicesystem, and predict its remaining useful life when subjected to monitored operational and environmental. Previous researchers have shown that leds from the same manufacturer and operating under same usecondition may have significantly different degradation behavior.

University of minnesota duluth research output experts. In recent years, phm has emerged as an essential approach for achieving competitive advantages in the global market by improving reliability, maintainability, safety, and affordability. Operation and maintenance costs are a major driver for levelized cost of energy of wind power plants and can be reduced through optimized operation and maintenance practices accomplishable by various prognostics and health management phm technologies. The max16818 pulsewidth modulation pwm led driver controller provides highoutputcurrent capability in a compact package with a minimum number of external components. Introduction to integrated vehicle health monitoring prof. A phm implementation roadmap for led lighting system is then presented. Prognostics is the ability to extrapolate the health condition of a product forward to predict its remaining useful life rul. Prognostics and health management of electronics wiley online. Mar 23, 2020 failure to check the derating curve could mean you inadvertently put the led driver into an overload situation. Perhaps the most di cult issue is restricting the scope of the survey to permit a meaningful discussion within a limited amount of space. On the other hand, developing a cbm is a signi cant technical challenge. Research on the health status monitoring model and monitoring system of destruction equipment for highrisk goods based on the fuzzy combinationmode 275 hongyuanzhang, yantiangli, jingzhang.