研究目的
To design a compact and vibration-resistant receiver for visible light communication (VLC) between vehicles, addressing the barrier of vehicle vibration for reliable communication.
研究成果
The proposed VLC receiver with a micro mirror, IMU, and image sensor effectively cancels the effect of vehicle motion, making it suitable for reliable communication in vibration environments. Future work includes demonstration using a real vehicle.
研究不足
The study was conducted in a controlled dark room environment, and the practical application in real vehicle conditions was not demonstrated.
1：Experimental Design and Method Selection:
The study designed a VLC receiver with a micro mirror, an IMU, and an image sensor to cancel the effect of vehicle motion.
2：Sample Selection and Data Sources:
The experiment involved a transmitter composed of a PC with software modulator, an A-D/D-A converter, and an LED, and a receiver composed of a MEMS mirror, an image sensor, an IMU, and a PC with software demodulator.
3：List of Experimental Equipment and Materials:
Included MEMS mirror (S12237-03P, Hamamatsu Photonics), image sensor (XCG-V60E, SONY), IMU (MPU-6050, MISUMI-VONA), and microcomputer (Arduino UNO, SWITCHSCIENCE).
4：Experimental Procedures and Operational Workflow:
The receiver's performance was evaluated in static and dynamic tilting conditions to assess its vibration resistance.
5：Data Analysis Methods:
The performance was evaluated based on the captured images and bit error rate (BER).
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MEMS mirror
S12237-03P
Hamamatsu Photonics
Scans fast-blinking light for capture by the image sensor.
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Image sensor
XCG-V60E
SONY
Captures the scanned signal as a single image with dotted and dashed lines.
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IMU
MPU-6050
MISUMI-VONA
Measures the tilting angle of the receiver to cancel the effect of motion.
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Microcomputer
Arduino UNO
SWITCHSCIENCE
Processes the IMU data for controlling the MEMS mirror.
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LED
OS5RKA5B61P
OptoSupply
Transmits the fast-blinking light signal.
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