Table 3 Comparison among different factors of sensors
Factors to be considered for sensor selection | Type of sensor | ||
|---|---|---|---|
Ultrasonic | IR | Time of flight | |
Long range sensing | No | No | Yes |
High reading frequency | No | No | Yes |
Cost | Low | Low | Moderate |
3D imaging compatible | No | No | Yes |
Sensitive to external conditions | Yes | No | No |
Accuracy | Low | Moderate | High |