Showing 1 - 10 of 39
This report describes the implementation of the regulation layer maneuvers for the hierarchical architecture in SmartPath. The report contains information regarding the simulation of automated vehicle control laws in the SmartPath environment. It also provides an overview of the set of maneuvers...
Persistent link: https://www.econbiz.de/10010817605
This report addresses the problem of designing safe controllers for the hybrid system composed by the interaction of the regulation and coordination layers in the hierarchical California PATH Automated Highway System (AHS) architecture. Conditions to achieve safe platooning under normal mode of...
Persistent link: https://www.econbiz.de/10010817620
In this report, the authors present a modified safe join trajectory for the regulation layer maneuvers of the hierarchical PATH Automated Highway System (AHS) architecture. This new design presents a more conservative behavior for the controlled platoon in a maneuver. The new trajectory reduces...
Persistent link: https://www.econbiz.de/10010536690
In this report, the implementation in the SHIFT programming language of regulation layer control laws for the hierarchical California PATH Automated Highway System (AHS) is presented. The implemented regulation layer control laws are derived after the safe-feedback based maneuvers designed in...
Persistent link: https://www.econbiz.de/10010536700
This report studies the problem of traffic control in the Automated Highway System (AHS) hierarchical architecture of the California PATH program. A link layer controller for the PATH AHS architecture is presented. It is shown that the proposed control laws stabilize the vehicular density and...
Persistent link: https://www.econbiz.de/10010536903
In this paper, the authors propose an algorithm that increases and decreases the transmission speed according to a user-specified function. The design objective is to regulate baud as efficiently as possible and ensure that in each transmission interval, transmitter and receiver bauds are equal...
Persistent link: https://www.econbiz.de/10010843108
We investigate the effect of a number of design alternatives on the safety and capacity of an Automated Highway System. Our methodology makes use of two computational tools, designed to highlight the fundamental limitations of the vehicle dynamics, sensing and control strategies and...
Persistent link: https://www.econbiz.de/10010843112
This work focuses on vehicle fault detection and identification. It also describes a vehicle health management approach based on analytic redundancy. It describes a point design of fault detection filters and parity equations that are developed for the vehicle longitudinal mode. A preliminary...
Persistent link: https://www.econbiz.de/10010843121
This report describes research in the area of fault detection and handling designs used in the longitudinal control system of platooned automated vehicles. Results are presented on experimental testing of the designs. The authors also describe a consistent interface between the fault detection...
Persistent link: https://www.econbiz.de/10010843123
This paper compares safety of automated and manual highway systems with respect to result- ing rear-end collision frequency and severity. The results show that automated driving is safer than the most alert manual drivers, at similar speeds and capacities. We also present a detailed...
Persistent link: https://www.econbiz.de/10010817604