研究目的
Designing a low-cost bionic polarized light collection sensor based on the sand ant navigation mechanism to improve navigation accuracy and reduce costs.
研究成果
The bionic polarized navigation sensor designed in this paper has stability and accuracy, with an error about 2°. The sensor can effectively collect polarized light information and obtain the azimuth angle, offering a low-cost solution for navigation.
研究不足
The polarization direction information still exists error due to internal device and circuit impacts, and external environmental factors like light source and temperature.
1：Experimental Design and Method Selection:
The design is based on the sand ant navigation mechanism, utilizing polarized light sensing and processing units.
2：Sample Selection and Data Sources:
Static and dynamic tests are conducted in a controlled indoor environment to minimize ambient light interference.
3：List of Experimental Equipment and Materials:
Includes polarized light detection circuit, processing module, power modules, adder module, blue filter, polarizer, photodiode, and STM32F105 microcontroller.
4：Experimental Procedures and Operational Workflow:
The sensor is rotated on an electric rotary table, pausing every
5：25° to collect data, with 10 sets of values averaged per cycle. Data Analysis Methods:
Least squares method is used for error compensation to improve accuracy.
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