Table 2: Five conceptual designs.

Concept 1 Concept 2 Concept 3 Concept 4 Concept 5 Mobility Four wheel Four wheel Four wheel Two wheel Three wheel Mechanical Base Bullet Pyramid Bullet Pyramid Pyramid Kicking mechanism Spring loaded sliding Swing lift with plunger Pneumatic kicker Spring Loaded Sliding Swing lift with plunger Microcontroller Low power microcontroller with a laptop DSP microcontroller DSP microcontroller Networked microcontroller Low power microcontroller with a PC Motor Control Single motor controller Multiple motor controllers Multiple motor controllers Single motor controller Multiple motor controllers Power Parallel 12 V DC Parallel 12 V DC 24 V DC 24 V DC Parallel 12 V DC