Arterial Management Program

Model Systems Engineering Documents for Adaptive Signal Control Technology (ASCT) Systems

Draft Guidance Document

August 2011

Contact Information: Eddie Curtis at Eddie.Curtis@dot.gov
Arterial Management Program Web Site

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U.S. Department of Transportation
Federal Highway Administration

FHWA-HOP-11-027

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Frequently Asked Questions




Table of Contents

Introductory Letter

Notice and Quality Assurance Statement

Technical Report Documentation Page

Glossary

1 PREAMBLE

1.1 PURPOSE OF THIS DOCUMENT

1.2 INTRODUCTION

1.2.1 How To Use This Document

2 OVERVIEW OF THE PROCESS

2.1 ASSEMBLING YOUR DOCUMENTS

3 THE SYSTEMS ENGINEERING DOCUMENTS

3.1 OVERVIEW

3.1.1 Responsibilities

3.2 CONCEPT OF OPERATION

3.3 REQUIREMENTS

3.4 VERIFICATION PLAN

3.5 VALIDATION PLAN

4 CONCEPT OF OPERATION GUIDANCE

4.1 PURPOSE OF DOCUMENT (CHAPTER 1 OF THE CONCEPT OF OPERATION)

4.2 SCOPE OF PROJECT (CHAPTER 2 OF THE CONCEPT OF OPERATION)

4.3 REFERENCED DOCUMENTS (CHAPTER 3 OF THE CONCEPT OF OPERATION)

4.4 BACKGROUND (CHAPTER 4 OF THE CONCEPT OF OPERATION)

4.4.1 Network characteristics

4.4.2 Traffic characteristics

4.4.3 Signal Grouping

4.4.4 Land use

4.4.5 Operating agencies

4.4.6 Existing architecture and infrastructure

4.4.7 Limitations and proposed changes

4.5 ALTERNATIVE NON-ADAPTIVE STRATEGIES CONSIDERED (CHAPTER 5 OF THE CONCEPT OF OPERATION)

4.5.1 Traffic Responsive

4.5.2 Complex Coordination Features

4.6 ENVISIONED ADAPTIVE OPERATIONS - USER PERSPECTIVE (CHAPTER 6 OF THE CONCEPT OF OPERATION)

4.6.1 Objectives

4.6.2 Adaptive Scenarios

4.6.3 Stakeholders and activities

4.7 SPECIFIC ADAPTIVE SYSTEM AND USER NEEDS (CHAPTER 7 OF THE CONCEPT OF OPERATION)

4.8 ENVISIONED ADAPTIVE SYSTEM OVERVIEW (CHAPTER 8 OF THE CONCEPT OF OPERATION)

4.8.1 Network Characteristics

4.8.2 Type of Adaptive Operation

4.8.3 Crossing Arterial Coordination

4.8.4 Institutional and System Boundaries

4.8.5 Queuing interactions

4.8.6 Pedestrians

4.8.7 Non-Adaptive Situations

4.8.8 System Responsiveness

4.8.9 Complex coordination and controller features

4.8.10 Monitoring and Control

4.8.11 Performance Reporting

4.8.12 Failure Notification

4.8.13 Preemption and Priority

4.8.14 Failure and fallback modes

4.8.15 Definition and application of constraints

4.8.16 Iterations

4.9 ADAPTIVE OPERATIONAL ENVIRONMENT (CHAPTER 9 OF THE CONCEPT OF OPERATIONS)

4.10 ADAPTIVE SUPPORT ENVIRONMENT (CHAPTER 10 OF THE CONCEPT OF OPERATIONS)

4.11 OPERATIONAL SCENARIOS FOR TRAFFIC EVENTS USING AN ADAPTIVE SYSTEM (CHAPTER 11 OF THE CONCEPT OF OPERATION)

5 SYSTEM REQUIREMENTS GUIDANCE

5.1 SCOPE OF SYSTEM OR SUB-SYSTEM (CHAPTER 1 OF THE SYSTEM REQUIREMENTS)

5.2 REFERENCES (CHAPTER 2 OF THE SYSTEM REQUIREMENTS)

5.3 REQUIREMENTS (CHAPTER 3 OF THE SYSTEM REQUIREMENTS)

5.3.1 Functional requirements

5.3.2 Performance requirements

5.3.3 Non-functional requirements

5.3.4 Enabling requirements

5.3.5 Interface requirements

5.3.6 Data requirements

5.3.7 Constraints

5.4 VERIFICATION METHODS (CHAPTER 4 OF THE SYSTEM REQUIREMENTS)

5.5 SUPPORTING DOCUMENTATION (CHAPTER 5 OF THE SYSTEM REQUIREMENTS)

5.6 TRACEABILITY MATRIX (CHAPTER 6 OF THE SYSTEM REQUIREMENTS)

6 VERIFICATION PLAN GUIDANCE

6.1 PURPOSE OF DOCUMENT (CHAPTER 1 OF THE VERIFICATION PLAN)

6.2 SCOPE OF PROJECT (CHAPTER 2 OF THE VERIFICATION PLAN)

6.3 REFERENCED DOCUMENTS (CHAPTER 3 OF THE VERIFICATION PLAN)

6.4 CONDUCTING VERIFICATION (CHAPTER 4 OF THE VERIFICATION PLAN)

6.5 VERIFICATION IDENTIFICATION (CHAPTER 5 OF THE VERIFICATION PLAN)

7 VALIDATION PLAN GUIDANCE

7.1 PURPOSE OF DOCUMENT (CHAPTER 1 OF THE VALIDATION PLAN)

7.2 SCOPE OF PROJECT (CHAPTER 2 OF THE VALIDATION PLAN)

7.3 REFERENCED DOCUMENTS (CHAPTER 3 OF THE VALIDATION PLAN)

7.4 CONDUCTING VALIDATION (CHAPTER 4 OF THE VALIDATION PLAN)

7.5 VALIDATION IDENTIFICATION (CHAPTER 5 OF THE VALIDATION PLAN)

7.5.1 Glossary

APPENDIX A DOCUMENT TEMPLATES

APPENDIX B CONCEPT OF OPERATIONS TABLE OF SAMPLE STATEMENTS

APPENDIX C SYSTEM REQUIREMENTS TABLE OF SAMPLE REQUIREMENTS


List of Figures

Figure 1. You think you want adaptive control?

Figure 2. Overview of systems engineering flow chart for ASCT system definition

Figure 3. Modified SE process for adaptive system definition

Figure 4. Relationships between this guide and final documents

List of Tables

Table 1. Example traceability matrix



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