ACAS Program
Final Report -- May 10, 1998

Table of Contents

 

Cover Page & Technical Report Documentation Form

Acknowledgment

Executive Summary

1. Program Definition

1.1 Consortium Members

1.2 Overall Program Goals

1.3 Specific Program Objectives

2. Program Description

3. Program Accomplishments

3.1 Overall Program Requirements and Performance Validation (Task 1)

3.1.1 Crash Scenario Definition

3.1.2 Collision Warning System User Requirements

3.1.3 Vehicle Level Test Protocol

3.1.4 Future Directions

3.2 Development of Near-Term Systems (Task 2.1)

3.2.1 Sensor Parameter Requirements and Rationale

3.2.2 Prototype Radar Sensor Evaluation and Results

3.2.3 Simulation Approach and Results

3.2.4 Threat Assessment Analysis

3.2.5 Future Directions

3.3 Development of Cost Reduction Components for Production (Task 2.2)

3.3.1 Summary of Progress

3.3.2 MMIC Transceiver Design

3.3.3 Gunn Transceiver Design

3.3.4 Challenges

3.3.5 Completeness of Task and Major Benefits

3.3.6 Future Directions

3.4 Studies of Long-Term Advanced Systems (Task 2.3)

3.4.1 Vehicle Integration and Testing

3.4.2 FCW Problem Definition

3.4.3 Conventional Design Approach

3.4.4 Conventional Algorithm Improvements

3.4.5 Model-Based Scene Tracking Design Approach

3.5 Forward Laser Sensor Development (Task 2.4)

3.5.1 Summary of Progress

3.5.2 Laser Sensor Development and Evaluation

3.6 Multi-beam Planar Antenna (Task 3.1)

3.6.1 Antenna Design Approach

3.6.2 Challenges

3.6.3 Completeness of Task and Future Directions

3.7 Low Cost 24 GHz Transceiver (Task 3.2)

3.7.1 MMIC Design Approach and Accomplishments

3.7.2 SDS Sensor Fabrication and Test

3.7.3 Challenges

3.7.4 Completeness of Task and Major Benefits

3.7.5 Future Directions

3.8 Lane Sensing (Task 4)

3.8.1 Preliminary System Design

3.8.2 Algorithm Development

3.8.3 System Demonstration

3.9 Wide Field-of-View Head Up Display (Task 5)

3.9.1 Preliminary Design and Benchtop Demonstration

3.9.2 Operational Demonstration

3.9.3 Final Design Iteration and Performance

3.9.4 Future Directions

3.10 Initial Screening of Warning Concepts (Task 6.1)

3.10.1 Human Factors Tests

3.10.2 Warning Review and Selections

3.10.3 Task Accomplishments and Future Directions

3.11 Development of Simulation Sensor Models (Task 6.2)

3.11.1 Sensor Modeling and Development

3.11.2 Simulation Support

3.11.3 Accomplishments and Future Directions

3.12 Driver-Vehicle Interface Studies (Task 6.3)

3.12.1 Simulator/Simulation Development

3.12.2 Side Sensor Simulation Study

3.12.3 Side Sensor Simulation Summary

3.12.4 Forward Sensor Simulation Study

3.12.5 Forward Sensor Simulation Summary

3.12.6 Accomplishments and Future Directions

3.13 Closed-Course Testing (Task 6.4)

3.13.1 Closed Course Testing Preparation

3.13.2 Side Sensor Closed Course Testing

3.13.3 Forward Sensor Closed Course Testing

3.13.4 Accomplishments and Future Directions

4. Program Conclusions

Appendix A Glossary of Acronyms