4. CONCEPT DESIGN - P-Div-Engg-Exploration-Odd-2026-27/Repo-05 GitHub Wiki
FUNCTION LIST— User vs Designer Perspective
| No. | User Perspective — What the user wants | Designer Perspective — What the designer must provide |
|---|---|---|
| 1 | Robot should follow my hand | Detect and track hand position |
| 2 | Robot should stay near my hand | Measure hand-to-robot distance and maintain approximately 2-inch gap |
| 3 | Robot should recognize where my hand is | Determine left, center, or right hand position |
| 4 | Robot should move forward | Drive all four mecanum wheels in the forward direction |
| 5 | Robot should move backward | Drive all four mecanum wheels in reverse |
| 6 | Robot should move left/right | Implement mecanum wheel motion for lateral movement |
| 7 | Robot should rotate | Control wheel speeds in opposite directions for rotation |
| 8 | Robot's head should look toward my hand | Control the motor according to hand position |
| 9 | Head should turn up to 90° | Limit the head movement to approximately ±45° |
| 10 | Robot should not fall from the desk | Detect a desk edge using downward-facing distance sensors |
| 11 | Robot should automatically stop at the edge | Give edge detection the highest movement priority |
| 12 | Robot should have expressive eyes | Display animated eyes on an OLED |
| 13 | Robot should make sounds | Generate programmed audio feedback using a buzzer/speaker |
| 14 | Robot should be rechargeable and usable safely | Manage battery charging, power distribution, and battery protection |
MORPHOLOGICAL ANALYSIS MATRIX
To implement our core operations, Team 5 evaluated multiple working mechanisms before settling on our active component baseline:
| Subfunction | Option/Means 1 | Option/Means 2 | Option/Means 3 | Option/Means 4 |
|---|---|---|---|---|
| Movement | Mecanum Wheels | Tank Treads / Belts | Standard Wheels | Four legged gait system |
| Charging | USB Wired Port | Wireless Pad | Magnetic Coupling | |
| Sound | Buzzer/Beeper | Audio Speaker | Synth Module | Siren |
| Drive Motors | BO Motor | DC Motor | Stepper Motor | Continuous Servo |
| Rotating Head | SG90 Servo | Brushless Motor | Stepper Motor | Direct Drive |
| Hand Tracking | IR Array Sensors | ESP 32 CAM | Time of Flight (ToF) | ADPS9960 Gesture |
| Power Storage | 18650 Battery | Li-Po battery | AA BATTERY | AAA BATTERY |
FUNCTION TREE
DESIGN
DESIGN 1
DESIGN 2
DESIGN 3
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