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Cooperative Adaptive Cruise Control. SE 610 Team B 12/2/09. Outline. Introduction Conceptual View Module View Code View Execution View Flow and Scheduling Analysis Lessons Learned Questions. Context Diagram. CACC Document Architecture. Team inexperience with CACC technology.
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Cooperative Adaptive Cruise Control SE 610 Team B 12/2/09
Outline • Introduction • Conceptual View • Module View • Code View • Execution View • Flow and Scheduling Analysis • Lessons Learned • Questions
CACC Document Architecture • Team inexperience with CACC technology Source: California PATH Research Report
CACC Overall Architecture • Brake Sensor & Brake Actuation • CACC and CMS Connection • Vehicle Sensors • Throttle Actuation CACC CMS CACC System Communications Data Storage Brake Sensor Control Laws Brake Actuation/input Vehicle Sensors ECU Brake Actuation CAN BUS
Conceptual View • Communication Component • Data Acquisition • Data Management • Speed Controller • System Management
Module View • Siemens module view “use” relationship
Results (Flows) • Flows • Speed Sensor to Speed Actuation • Inflexible with System Architecture • CACC Device to speed Actuator • Set Speed for speed controller • CACC Device to Brake Actuator • Automatic slowdown • Radar Device to Brake Actuator
Results (Scheduling) • RTOS supporting (RMS, EDF) • RMS