Wireless condition monitoring system for rotating machinery powered by a hybrid vibration based energy harvester

Mohd Sofwan Mohd Resali, Hanim Salleh

Research output: Contribution to journalArticle

Abstract

This paper presents the development of wireless condition monitoring system for rotating machinery powered by a hybrid vibration based energy harvester. The self-powered condition monitoring system consists of three parts. The first part of the system is the energy harvester, the second part is the power management and the third part is the android based user interface. The system used a hybrid energy harvester (piezoelectric and electromagnetic) to harvest energy from the vibrating machine at a resonance frequency of 50±2 Hz and 0.25g ms-2 of acceleration. The maximum output power from the hybrid harvester was 3.00 mW at 200 kO of load resistor. The power management circuit efficiency was 85% with output power of 2.55 mW. An accelerometer sensor and a temperature sensor were connected to the power management unit to sense the vibration and temperature level of the machine. Data from the sensors were transmitted through the wireless Bluetooth dongle to the android phone for end user monitoring. An android application was developed to receive the acceleration and temperature condition monitoring. At maximum power, initial charging duration of the supercapacitor was 130 seconds, and duration for recharging to 8.2V was 15 seconds. Therefore, the self-powered system managed to transmit data to the android application 15 second's intervals.

Original languageEnglish
Pages (from-to)249-267
Number of pages19
JournalJournal of Mechanical Engineering
VolumeSI 4
Issue number2
Publication statusPublished - 01 Sep 2017

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Rotating machinery
Harvesters
Condition monitoring
Bluetooth
Sensors
Temperature sensors
Accelerometers
Resistors
User interfaces
Temperature
Networks (circuits)
Monitoring
Power management

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

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title = "Wireless condition monitoring system for rotating machinery powered by a hybrid vibration based energy harvester",
abstract = "This paper presents the development of wireless condition monitoring system for rotating machinery powered by a hybrid vibration based energy harvester. The self-powered condition monitoring system consists of three parts. The first part of the system is the energy harvester, the second part is the power management and the third part is the android based user interface. The system used a hybrid energy harvester (piezoelectric and electromagnetic) to harvest energy from the vibrating machine at a resonance frequency of 50±2 Hz and 0.25g ms-2 of acceleration. The maximum output power from the hybrid harvester was 3.00 mW at 200 kO of load resistor. The power management circuit efficiency was 85{\%} with output power of 2.55 mW. An accelerometer sensor and a temperature sensor were connected to the power management unit to sense the vibration and temperature level of the machine. Data from the sensors were transmitted through the wireless Bluetooth dongle to the android phone for end user monitoring. An android application was developed to receive the acceleration and temperature condition monitoring. At maximum power, initial charging duration of the supercapacitor was 130 seconds, and duration for recharging to 8.2V was 15 seconds. Therefore, the self-powered system managed to transmit data to the android application 15 second's intervals.",
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Wireless condition monitoring system for rotating machinery powered by a hybrid vibration based energy harvester. / Resali, Mohd Sofwan Mohd; Salleh, Hanim.

In: Journal of Mechanical Engineering, Vol. SI 4, No. 2, 01.09.2017, p. 249-267.

Research output: Contribution to journalArticle

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