An ultra-low power wireless sensor network for bicycle torque performance measurements

Sadik K. Gharghan, Rosdiadee Nordin, Mahamod Ismail

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

In this paper, we propose an energy-efficient transmission technique known as the sleep/wake algorithm for a bicycle torque sensor node. This paper aims to highlight the trade-off between energy efficiency and the communication range between the cyclist and coach. Two experiments were conducted. The first experiment utilised the Zigbee protocol (XBee S2), and the second experiment used the Advanced and Adaptive Network Technology (ANT) protocol based on the Nordic nRF24L01 radio transceiver chip. The current consumption of ANT was measured, simulated and compared with a torque sensor node that uses the XBee S2 protocol. In addition, an analytical model was derived to correlate the sensor node average current consumption with a crank arm cadence. The sensor node achieved 98% power savings for ANT relative to ZigBee when they were compared alone, and the power savings amounted to 30% when all components of the sensor node are considered. The achievable communication range was 65 and 50 m for ZigBee and ANT, respectively, during measurement on an outdoor cycling track (i.e., velodrome). The conclusions indicate that the ANT protocol is more suitable for use in a torque sensor node when power consumption is a crucial demand, whereas the ZigBee protocol is more convenient in ensuring data communication between cyclist and coach.

Original languageEnglish
Pages (from-to)11741-11768
Number of pages28
JournalSensors (Switzerland)
Volume15
Issue number5
DOIs
Publication statusPublished - 21 May 2015

Fingerprint

bicycle
Bicycles
Torque
Sensor nodes
torque
Wireless sensor networks
Zigbee
Technology
sensors
Network protocols
Communication
communication
sleep
Radio
Experiments
transmitter receivers
eccentrics
Sleep
wakes
Energy efficiency

Keywords

  • ANT
  • Bicycle torque
  • Energy-efficient
  • Track cycling
  • Wireless sensor network
  • ZigBee

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Analytical Chemistry
  • Biochemistry

Cite this

An ultra-low power wireless sensor network for bicycle torque performance measurements. / Gharghan, Sadik K.; Nordin, Rosdiadee; Ismail, Mahamod.

In: Sensors (Switzerland), Vol. 15, No. 5, 21.05.2015, p. 11741-11768.

Research output: Contribution to journalArticle

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