Multisensor fusion sensing

Multisensor fusion sensing
Multisensor fusion sensing

The first 1 Chapter How to build a multi-sensor system for autonomous driving ？

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Multisensor fusion sensing

The first 1 Chapter How to build a multi-sensor system for autonomous driving ？

Contents

Overview of multisensor fusion requirements

Construction of multi-sensor hardware system

Timing closed loop of multi-sensor hardware system

Content of this chapter

1. Overview of multisensor fusion requirements
2. Construction of multi-sensor hardware system
3. Timing closed loop of multi-sensor system

Autonomous driving is used to solve travel problems , What are the problems with traveling ？

Environmental perception

However , Sensors involved in automatic driving …

These sensors ( sensors) What are they ？

• Laser radar (LiDAR, Light Detection And Ranging)
• The camera (Camera)
• Millimeter wave radar ( Often called Radar, Radio Detection And Ranging, the truth is that millimeter wave Radar)
• Ultrasonic radar (ultrasonic Radar)
• Global positioning system (GNSS, Global Navigation Satellite System) and RTK(Real-Time Kinematic)
• Inertial sensor (IMU, Inertial Measurement Unit)
• Wheel speedometer (Wheel Speedometer)
• …

What are these sensors in the auto drive system used for ？
Motion sensing sensors ： Help analyze where we are , It is generally used to solve the problem of drawing location .
• Global positioning system (GNSS, Global Navigation Satellite System) and RTK(Real -Time Kinematic)
• Inertial sensor (IMU, Inertial Measurement Unit)
• Wheel speedometer (Wheel Speedometer)
• Laser radar (LiDAR, Light Detection And Ranging)
• The camera ( Camera)

Environment sensing sensors ： Help analyze what we will encounter on the way , Generally used to solve perception problems .
• Laser radar (LiDAR, Light Detection And Ranging)
• The camera (Camera)
• Millimeter wave radar ( Often called Radar,Radio Detection And Ranging, the truth is that millimeter wave Radar)
• Ultrasonic radar (ultrasonic Radar)

From the point of view of the function of the sensor , Both mapping and sensing need to involve multi-sensor fusion .

Why do we need so many sensors to solve a problem ？
Analysis from the demand side , The auto drive system is faced with almost stringent requirements ：

One sensor can not adapt to all scenes , Excellent fusion technology is required to solve .

Content of this chapter

1. Overview of multisensor fusion requirements
2. Construction of multi-sensor hardware system
   2.1 Perceptual multisensor analysis
   2.2 Introduction to multi-sensor mapping and positioning
   2.3 Vehicle sensor system design
3. Timing closed loop of multi-sensor system

We may know that autopilot has chosen these sensors
Why these sensors can solve the problem of environmental awareness ？