Towards a layered view of control
Abstract:
I want to provide three perspectives on hierarchical architectures. The first focuses on how the space of automated highway system designs was structured. The second describes two hierarchically-layered designs. The third suggests a theoretical framework prompted by these two stories. I will end with a brief video that describes elements of one AHS design. AHS design In 1994, the U.S. DoT awarded a 7-year, $200 M contract to develop an automated highway system (AHS) prototype. The contract was prompted by the realization that the nation’s highway system had reached a performance plateau, and computer, communication and control technologies could be used to design an automated highway system with a quantum improvement in performance. The contract was awarded to a nine-member partnership called the National Automated Highway Systems Consortium or NAHSC. In addition to the nine core members, the NAHSC comprises more than 120 associate participants representing nine stakeholder communities. The associate members ensure that the Consortium’s designs reflect their interests. The associate members also help to promote awareness of automated highways to a wider public. An important event in that effort was a 4-day public demonstration of AHS technologies on interstate I-15 in San Diego
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