Onboard Apparatus for On-Road Raised Object Type Determination
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Solution Overview
Problem
Automated driving systems face challenges in accurately determining the type of on-road raised objects, such as rainwater or snow/ice, which can adhere to sensors and deteriorate detection performance, requiring a technique to differentiate between these types to adjust vehicle control accordingly.
Innovation Solution
An onboard determination apparatus using two different types of sensors, such as radars and LiDARs, to acquire peripheral information and determine the type of on-road raised objects, allowing for appropriate control adjustments in automated driving systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single sensor is used to detect peripheral information, then the device complexity is low, but the measurement precision of on-road raised object type is insufficient
Solution Approach 1:
The patent combines multiple sensors (first sensor and second sensor of different types) to detect peripheral information. By merging the detection results from different sensor types, the system achieves more accurate identification of on-road raised objects while managing the complexity through integrated processing.
Solution Approach 2:
The system uses multiple sensors with different detection capabilities to perform the same function of detecting on-road raised objects. Each sensor type contributes different information, and the determination unit synthesizes this information to achieve accurate type identification, making the detection system multi-functional in terms of information gathering.
2Measurement precision
If multiple sensors are used to determine on-road raised object type, then the measurement precision is improved, but the device complexity increases
Solution Approach 1:
The patent combines multiple sensors (first sensor and second sensor of different types) to detect peripheral information. By merging the detection results from different sensor types, the system achieves more accurate identification of on-road raised objects while managing the complexity through integrated processing.
Solution Approach 2:
The determination unit acts as an intermediary that processes and synthesizes information from multiple sensors. It integrates the detection results from the first and second sensors to determine the type of on-road raised objects, reducing the complexity burden on individual sensors while maintaining high detection precision.
3Reliability
If on-road raised objects are not identified, then the device complexity is low, but the reliability of automated driving control is reduced
Solution Approach 1:
The system performs preliminary identification of on-road raised objects before executing automated driving control. By determining the type of raised objects (rainwater, snow/ice, etc.) in advance using multiple sensors, the system can adjust control parameters appropriately, ensuring reliable control while managing complexity through proactive detection.
Solution Approach 2:
The determination unit provides feedback about the type of on-road raised objects to the automated driving control system. This feedback enables the control system to adjust its behavior based on the detected conditions, improving reliability by ensuring control actions are appropriate for the current road surface state.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate identification of on-road raised objects, enabling the automated driving system to adjust vehicle speed and distance from preceding vehicles based on the type, improving detection performance and safety.
Implementation Method 1
a first acquisition unit configured to acquire peripheral information of a self-vehicle detected by a first sensor, a second acquisition unit configured to acquire peripheral information of the self-vehicle detected by a second sensor of a type different from the first sensor
Implementation Method 2
An onboard determination apparatus using two different types of sensors, such as radars and LiDARs, to acquire peripheral information
Data Source
AI summary
An onboard determination apparatus, comprising a first acquisition unit configured to acquire peripheral information of a self-vehicle detected by a first sensor, a second acquisition unit configured to acquire peripheral information of the self-vehicle detected by a second sensor of a type different from the first sensor, and a determination unit configured to determine a type of an on-road raised object on the periphery of the self-vehicle based on both the peripheral information acquired by the first acquisition unit and the peripheral information acquired by the second acquisition unit.