Modular robot, and coupling system and method for the same

Modular Robot System

This technology is a proximity control mechanism that determines driving direction and guides docking positions by detecting the RGB-LED brightness of a target robot to ensure precise coupling between modular robots. By arranging three-color RGB-LEDs and sensors radially, it provides location information and guides the docking range of the target robot.

Conventional ultrasonic sensors are limited to obstacle avoidance and lack the precision required for accurate positioning, while RF signal strength (RSSI) methods suffer from low recognition accuracy and errors when docking moving objects.

This technology features a sensor module (comprising three RGB-LEDs and one detection sensor) arranged radially around the robot's body. It converts the RGB-LED brightness values of the target robot into frequencies, generates a driving path toward the direction of maximum frequency intensity, and implements a control algorithm to stop at the target docking point. Applicable to logistics, service robots, and autonomous platforms, it enhances the accuracy and efficiency of modular robot bonding across various applications.

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Key Features:

• Light emitters that guide the driving path and docking range of target modular robots
• Detection sensors that identify the light brightness values of approaching robots within the docking range
• Sensor modules with emitters, proximity sensors, and detection sensors mounted radially around the body
• Modular robots configured with CAN communication for emitter on/off control

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This invention was developed with support from the Ministry of Education, Science and Technology's New and Renewable Energy Intelligent Robot Convergence Technology Development program.