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Dual resonant frequencies effects on an induction-based oil palm fruit sensor
Noor Hasmiza Harun1, Norhisam Misron2, Roslina Mohd Sidek3
1Faculty of Engineering, University Putra Malaysia, Serdang 43400, Selangor, Malaysia. noorhasmiza@unikl.edu.my.
Sensors (Basel, Switzerland)
|November 22, 2014
Summary
A new inductive sensor with a dual flat-type air coil significantly improves oil palm Fresh Fruit Bunch (FFB) maturity detection. This automated system enhances sensitivity by up to 167%, aiding the palm oil industry.
Area of Science:
- Agricultural Engineering
- Sensor Technology
- Materials Science
Background:
- The Malaysian palm oil industry requires high-quality Fresh Fruit Bunches (FFB) for optimal palm oil production.
- Current manual grading of FFB maturity relies on subjective standards, potentially impacting harvesting efficiency.
- Automated detection systems are needed to expedite FFB maturity assessment.
Purpose of the Study:
- To develop and investigate a novel inductive sensor for automated oil palm FFB maturity detection.
- To analyze the effect of coil diameter and shape on the sensitivity of an air coil sensor.
- To compare the sensitivity improvement of the proposed sensor against existing methods.
Main Methods:
- Design and fabrication of an inductive sensor utilizing a dual flat-type air coil.
- Testing of fifteen FFB fruitlet samples (ripe and unripe) across a frequency range of 20 Hz to 10 MHz.
- Comparative analysis of sensor sensitivity before and after modifications, and against previous research.
Main Results:
- The inductive sensor with a dual flat-type air coil demonstrated a significant improvement in sensitivity.
- Sensitivity enhancement of up to 167% was achieved compared to previous inductive sensor designs.
- The study confirmed the effectiveness of the dual flat-type air coil in improving sensor performance.
Conclusions:
- The developed inductive sensor with a dual flat-type air coil offers a promising solution for automated FFB maturity detection.
- This technology can enhance the efficiency and accuracy of harvesting processes in the palm oil industry.
- Further research into coil design can lead to even greater improvements in sensor sensitivity and application.
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