After the testing of the product resulted in it failing two tests, and only completing the main line following task with a little prod now and again, the group have decided that implementing the following steps would help produce a successful design:
1. Supply a greater voltage to the motors. This could be done by either using the 9V battery, the connection to the motor being controlled by a seperate motor board circuit, or running a further voltage source in parallel with the current supply; maintaining the voltage (4.5V) but increasing the current supply to the motors. This extra step would increase the torque of the motors.
2. Introduce a gearing system to the drive mechanisms. This would allow the buggy to travel at a slower speed, giving the LDR's plenty of time to sense changes in the road conditions and corrective conditions to be implemented appropriately.
3. Change the jockey wheel. The existing jockey wheel would often be mis-aligned when the buggy would try to change its direction of drive; the friction produced fighting against the motors. The installation of two jockey wheels, one in each rear corner, would elimainate this problem and allow the buggy to move more easily.
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