ULIP is a Segway™ based sensor and acquisition system for
collecting pavement surface data for the computation of ride quality, surface
texture, and other surface features. Two recent variants of the ULIP are ULIPs
(Sidewalks) and ULIPr (RoLine sensor for 3D pavement surface texture
measurements.)
ULIPs -- Ultra-Light Inertial Profiler for Sidewalks
The Americans with Disabilities Act Application Guidelines (ADAAG) defines what is considered to be accessible curb ramps, sidewalks, and ramps. Sidewalk and sidewalk ramp guidelines address cross slope limits and running slope (grade) limits over a specified run length. Guidelines also provide limits and treatments for sidewalk vertical changes (bumps). Local jurisdictions need to assess their sidewalk system relative to ADAAG. Starodub, Inc. developed a prototype ULIPs system for the Federal Highway Administration. The ULIPs variant of ULIP was designed to cost-effectively measure sidewalk cross slope, running slope (grade), and bumps (and bump treatments), and to output ArcInfo compatible data for inclusion with a local government’s GIS system for easy display and analysis of the collected and processed data. A case study evaluation was carried out in Bellevue, WA. Franz Lowenherz of the City of Bellevue, WA (pictured here) was the case study field manager.
The following
Acrobat™ PDF files are available:
ULIPs_Bellevue_WA_WSDOT
Presentation on ADA Inventory 7-31-08.pdf
ULIPs_Bellevue_WA_ada_report_summary0708.pdf
The Bellevue, WA. final report on the assessment of
sidewalks will be available as a PDF file in June, 2009.
A ULIPs validation report is also available:
ULIPs_Bellevue_WA_validation.PDF
To see a presentation by Franz Loewenherz from the City of Bellevue, WA, at a Portland State University class seminar, click on either of the following links. Move the time slider up 8 minutes (Time 8:00) to the begining of the presentation. The presentation is about an hour long.
ULIPr -- Ultra-Light Inertial Profiler for 3DTexture Measurements
The ULIPr version of the Ultra-Light Inertial Profiler is designed to capture a three-dimensional representation of the travel surface (approximately 100 mm wide) at a resolution sufficient for three-dimensional texture and feature analysis. The “r” in ULIPr is for the RoLine™ 1130 laser line scan sensor used to acquire the travel surface information.The RoLine Sensor is the yellow object with the laser line visible on the floor.
More detailed information is
available as a PDF file:
ULIPr.pdf