About PM01•3. Sensor System

3. Sensor System

Updated: October 12, 2026

1 Depth Camera

D435i Depth Camera
The PM01-EDU is equipped with a D435i depth camera on the head, providing the robot with excellent visual perception capabilities:
- precise spatial perception and obstacle detection
- 3D environment reconstruction
- suitable for navigation, obstacle avoidance, and other application scenarios

The field of view parameters of the depth camera are as follows:

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2 IMU Module

2.1 Core Parameters

2.1.1 Attitude Angle Parameters

ParametersItemTypical ValueNotes
Roll AngleAccuracy0.05°1σ RMS, measured at 25°C, static/no prolonged acceleration

Range±180°
Pitch AngleAccuracy0.05°1σ RMS, measured at 25°C, static/no prolonged acceleration

Range±90°
Reference-free Heading AngleAccuracy0.2°1σ RMS, measured at 25°C, heading defaults to 0° at power-on

Range±180°
Magnetic Reference Heading AngleAccuracy1°1σ RMS, requires stable magnetic field and on-site calibration of magnetic sensor

Range±180°
Angular Resolution
0.001°Minimum detectable change within sensor range

2.1.2 Gyroscope Parameters

ParametersTypical ValueNotes
Range±450°/s
Non-linearity±0.05%FS
Noise Density0.015°/s/√Hz
Bias Instability5°/hAllan variance, 1σ
Bandwidth (-3dB)50Hz
Zero Offset±0.5°/s1σ RMS
Zero Drift±1°/s1σ RMS, -40~85℃

2.1.3 Accelerometer Parameters

ParametersTypical Value
Range±16g
Non-linearity±0.1%FS
Noise Density100ug/√Hz
Bias Instability0.035mg
Bandwidth (-3dB)50Hz
Zero Offset±20mg
Zero Drift±10mg

2.1.4 Magnetic Sensor Parameters

ParametersTypical ValueNotes
Range±8Gauss
Non-linearity±0.1%FSFS = ±8G
Noise0.4mGaussRMS

2.1.5 Physical and Electrical Specifications

ParametersTypical ValueNotes
Input Voltage5VDCNoise ≤30mV peak-peak
Power Consumption190mW@5V
Communication InterfaceUART / USBUART corresponds to part number YIS320-E11, USB corresponds to YIS320-E30
Output ProtocolYesense YIS protocolYesense proprietary protocol
Output Frequency200HzUp to 400Hz
Dimensions22.4×22.4×9.4mm
Weight7.7g±1g
Housing MaterialAluminum Alloy

2.1.6 Environmental Adaptability Specifications

ParametersTypical ValueNotes
Operating Temperature-40~85℃
Storage Temperature-45~85℃Relative Humidity ≤65%
Shock Resistance2000g
3. Sensor System | EngineAI Open Platform