Feasibility and Concept Selection of a Safety Hazard Advance Warning System (SHAWS) PDF Download
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Author: Jack R. Meyer Publisher: ISBN: Category : Express highways Languages : en Pages : 28
Book Description
The document presents the analysis of the highway traffic situations pertinent to this study and identifies the set of design and operational requirements for the Safety Hazard Advance Warning System (SHAWS). It describes alternative approaches to the development of a practical concept for SHAWS and identifies the most appropriate technological and operational form. The document further presents the results of the preliminary design and development of the electronic components using pulse position modulation of a carrier signal in the low band of the VHF designation of the communication frequencies. A discussion of the frequency selection considerations of receiver cost and transmitter power requirements is present. System circuit options are included. Considerations of the human factors aspects of driver response and operational effectiveness of SHAWS are addressed. Lastly, a preliminary cost and benefit analysis is presented.
Author: Jack R. Meyer Publisher: ISBN: Category : Express highways Languages : en Pages : 28
Book Description
The document presents the analysis of the highway traffic situations pertinent to this study and identifies the set of design and operational requirements for the Safety Hazard Advance Warning System (SHAWS). It describes alternative approaches to the development of a practical concept for SHAWS and identifies the most appropriate technological and operational form. The document further presents the results of the preliminary design and development of the electronic components using pulse position modulation of a carrier signal in the low band of the VHF designation of the communication frequencies. A discussion of the frequency selection considerations of receiver cost and transmitter power requirements is present. System circuit options are included. Considerations of the human factors aspects of driver response and operational effectiveness of SHAWS are addressed. Lastly, a preliminary cost and benefit analysis is presented.
Author: Jack R. Meyer
Author: Jack R. Meyer
Author: J. R. Meyer
Author: K. Shirkey
Author: Eileen Hoekstra, Marie Williams 
Author: 
Author: 
Author: Colleen Serafin, Marie Williams
Author: United States. Federal Highway Administration
Author: 
Author: