In-vehicle signing concepts: An analytical precursor to an in-vehicle information system

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The purpose of the project described in this report is to develop alternative In-Vehicle Signing (IVS) system concepts based on allocation of the functions associated with driving a road vehicle. In the driving milieu, tasks can be assigned to one of three agents, the driver, the vehicle or the infrastructure. Assignment of tasks is based on a philosophy of function allocation which can emphasize any of several philosophical approaches. In this project, function allocations were made according to the current practice in vehicle design and signage as well as a human-centered strategy. Several IVS system concepts are presented based on ... continued below

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16 p.

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Spelt, P.F.; Tufano, D.R. & Knee, H.E. April 1, 1996.

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Description

The purpose of the project described in this report is to develop alternative In-Vehicle Signing (IVS) system concepts based on allocation of the functions associated with driving a road vehicle. In the driving milieu, tasks can be assigned to one of three agents, the driver, the vehicle or the infrastructure. Assignment of tasks is based on a philosophy of function allocation which can emphasize any of several philosophical approaches. In this project, function allocations were made according to the current practice in vehicle design and signage as well as a human-centered strategy. Several IVS system concepts are presented based on differing functional allocation outcomes. A design space for IVS systems is described, and a technical analysis of a map-based and sever beacon-based IVS systems are presented. Because of problems associated with both map-based and beacon-based concepts, a hybrid IVS concept was proposed. The hybrid system uses on-board map-based databases to serve those areas in which signage can be anticipated to be relatively static, such as large metropolitan areas where few if any new roads will be built. For areas where sign density is low, and/or where population growth causes changes in traffic flow, beacon-based concepts function best. For this situation, changes need only occur in the central database from which sign information is transmitted. This report presents system concepts which enable progress from the IVS system concept-independent functional requirements to a more specific set of system concepts which facilitate analysis and selection of hardware and software to perform the functions of IVS. As such, this phase of the project represents a major step toward the design and development of a prototype WS system. Once such a system is developed, a program of testing, evaluation, an revision will be undertaken. Ultimately, such a system can become part of the road vehicle of the future.

Physical Description

16 p.

Notes

OSTI as DE96008798

Source

  • ITS America: 6. annual meeting on intelligent transportation systems, Houston, TX (United States), 15-18 Apr 1996

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  • Other: DE96008798
  • Report No.: CONF-960444--4
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 219504
  • Archival Resource Key: ark:/67531/metadc671172

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  • April 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Jan. 19, 2016, 6:47 p.m.

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Spelt, P.F.; Tufano, D.R. & Knee, H.E. In-vehicle signing concepts: An analytical precursor to an in-vehicle information system, article, April 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc671172/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.