Autonomous SystemsYear 2026Completed
Autonomous Line Follower Robot 2
A second-generation autonomous line tracker featuring a wide-span multi-channel optical sensor bar, high-speed differential drive, and refined PID trajectory recovery algorithms.
Arduino C++PID ControlOptical SensingDifferential DriveRapid Prototyping
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VyomikX engineering team collaborating on Line Follower 2 development in the lab
Why We Built This
Building on our first line follower, Line Follower 2 was designed with an extended sensor baseline and streamlined chassis to achieve higher cornering speeds and tighter tracking accuracy on complex tracks.
Overview
Line Follower Robot 2 evolves our autonomous navigation platform with an extended multi-channel optical sensor array mounted on a custom front boom bar. The wider sensor footprint provides early look-ahead detection for high-curvature turns. Paired with dual high-traction drive wheels and an optimized PID control loop with differential PWM speed throttling, the robot tracks continuous trajectories with minimal hunting oscillation.
Highlights & Key Features
- Extended wide-span optical sensor array with active status indicators
- High-speed differential steering with high-grip rubber drive wheels
- Fine-tuned PID trajectory tracking with look-ahead corner anticipation
- Dual 18650 lithium power supply with regulated motor voltage
The Challenge
Balancing weight distribution between the forward sensor boom and the rear battery pack to prevent front dragging while maintaining strong wheel traction.
The Outcome
Demonstrated superior curve handling and stability compared to earlier prototypes, serving as a competition-ready testbed.
Build Gallery & Photos
[4 PHOTOS]
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