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Related Concept Videos

PD Controller: Design01:26

PD Controller: Design

153
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
153

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Study on Performance Testing and Evaluation of Autonomous Emergency Braking System Based on Self-Constructed

Dongying Liu1, Wanyou Huang1,2,3, Ruixia Chu1,2,3

  • 1Automotive Engineering College, Shandong Jiaotong University, Jinan 250357, China.

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Summary

This study introduces a new model to evaluate autonomous emergency braking (AEB) systems. The Comprehensive Performance Evaluation Index Model (CPEIM) tested Tesla Model Y and Volvo S90, showing AEB effectiveness in real-world scenarios.

Keywords:
AEB systemCPEIManalytical hierarchy processcollision traffic accidentstypical test scenario

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Area of Science:

  • Automotive Engineering
  • Road Safety
  • Artificial Intelligence in Vehicles

Background:

  • Autonomous emergency braking (AEB) systems are crucial for vehicular safety and collision prevention.
  • Advancements in assisted driving technology necessitate robust performance evaluation methods for AEB systems.
  • Existing evaluation methods may not fully capture real-world driving complexities.

Purpose of the Study:

  • To develop and validate a comprehensive performance evaluation framework for AEB systems.
  • To establish novel performance indices for assessing AEB system reliability in diverse scenarios.
  • To compare the AEB performance of specific vehicle models under controlled conditions.

Main Methods:

  • Construction of four typical real-world driving test scenarios for AEB systems.
  • Proposal and application of five comprehensive performance evaluation indices: braking parking distance, braking deceleration, collision warning time, speed variation, and accident collision avoidance rate.
  • Development and implementation of the Comprehensive Performance Evaluation Index Model (CPEIM) and associated scoring rules for road testing data analysis.

Main Results:

  • The Tesla Model Y achieved a score of 1.8857, and the Volvo S90 scored 2.0433 using the CPEIM.
  • Both vehicles' AEB systems successfully averted collisions at speeds up to 35 km/h (Tesla Model Y) and 45 km/h (Volvo S90) on dry pavement.
  • The proposed evaluation indices and model provided a reliable method for assessing AEB system performance.

Conclusions:

  • The developed CPEIM offers an efficient and reliable approach for testing AEB system performance in real-world driving.
  • The study highlights the varying capabilities of AEB systems in different vehicle models and speed thresholds.
  • Further research can refine the CPEIM for broader application across various driving conditions and vehicle types.