|
| Demand attribute type | Design requirement attribute | Design attribute description |
|
| Rational attribute ofergonomic simulation | Massager state display (M1) | Massager is outside the visible range and cannot be reflected visually |
| Adjustment switch position (M2) | Adjustment switch is reachable by a finger |
| Massage method (M3) | Hand switch while holding the massager |
| Massage duration (M4) | Maximum of 2 minutes |
| Massager weight (M5) | Maximum of 2 kg |
|
| User psychologicaldemand attributes | Accuracy (M6) | Users can accurately receive feedback on the running state during massage |
| Recognition degree (M7) | During charging, users can easily identify how long the product needs to be charged. |
| Controllability (M8) | Massage tasks can be done with a single hand |
| Comfort of the handle grip (M9) | Pressure on the palm is distributed evenly and easy to grab with a single hand |
| Stability of the handle grip (M10) | Satisfactory balance, steady grip, and reasonable pressure |
| Force feedback (M11) | Intensity of the massager can be precisely adjusted in real time during the massage |
| Comfort (M12) | Comfortable even with high messaging intensity; the scalp massage must last for 15 minutes |
| Convenience (M13) | Convenient and simple control of massage speed and intensity |
| Safety (M14) | Massager nodes are safe and will not entangle with the hair |
| Intelligence (M15) | Real-time self-regulating massage intensity and automatic stop after massage |
|
