1 / 21

A Study on Tactile Walking Surface Indication at Staircases

TRANSED 2012 New Delhi. A Study on Tactile Walking Surface Indication at Staircases. Hisato OHNO 1) , Ayako SUZUKI 1) , Daisuke SUZUKI 1) Toru TAKAHASHI 2) , Daisuke SAWADA 2) Masaki TAUCHI 3) , Tetsuo AKIYAMA 4). 1) Railway Technical Research Institute, Tokyo, JAPAN

dawn
Download Presentation

A Study on Tactile Walking Surface Indication at Staircases

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. TRANSED 2012 New Delhi A Study on Tactile Walking Surface Indication at Staircases Hisato OHNO 1), Ayako SUZUKI 1), Daisuke SUZUKI 1) Toru TAKAHASHI 2), Daisuke SAWADA 2) Masaki TAUCHI3), Tetsuo AKIYAMA4) 1) Railway Technical Research Institute, Tokyo, JAPAN 2) ECOMO Foundation, Tokyo, JAPAN 3) Okayama Prefectural University, Okayama, JAPAN 4) Hokusei Gakuen University, Hokkaido, JAPAN

  2. BACKGROUND TWSIs(tactile walking surface indicators) of attention (warning) and guiding pattern have been proved useful in the past decades in providing travel information for visually impaired persons. TWSIs of attention pattern should be installed at staircases, where the risk of falling by the visually impaired persons is highly anticipated.

  3. Questions about Installation of Attention TWSIs at Staircase In Japan, there are two guidelines for installation of attention TWSIsat staircases. Some inconsistency between them can be seen as is shown below. 1. One guideline requires installation of TWSIs both at the top and bottom of staircases, but the other requires only at the top. (Necessity) 2. Whereas these guideline recommend put the setback of about 30 cm, neither of them specifies the depth of TWSIs. (size of setback and depth of TWSIs) 3. Neither mentions installation of TWSIs on intermediate landings of staircases (Necessity)

  4. PURPOSES To answer to the questions about installation of TWSIs at staircases, we conducted two experiments. EXPERIMENT 1 To investigate the needs for the installation of attention TWSIs at the top and bottom of staircases and the dimensions of TWSIs to be installed. EXPERIMENT 2 To investigate the needs for the installation of attention as well as guiding TWSIs at the intermediate landing of staircases

  5. EXPERIMENT 1 Needs for TWSIs and Optimal layout of TWSIs at the top and bottom of staircases

  6. OBJECTIVESof Experiment 1 1: What is the optimal layout, depth and setback, of TWSIs at staircases? 2: Should TWSI be installed at the bottom of staircases?

  7. METHOS Subjects • 38 blind & 3 low vision • Height: 160.6 ± 10.0 cm • Shoe size: 24.7 ± 1.6 cm • Subjects’ qualification was to do independent travel frequently using train services. TWSIs • TWSIs of attention pattern to be compliant to JIS T 9251(2001) and ISO 23599(2012) were used.

  8. METHODS Experimental setup A mockup of staircase was built indoor. It had an intermediate landing between a pair of flights, upper and lower, of 5 steps staircases. 5 Intermediate landing 5

  9. METHODS Layout of TWSIs; 4 layouts were examined. Top or bottom of the staircase stairs Layout A Layout B Layout C Layout D 300 (319) 300 (319) Setback (none) 600 (562) 300 (262) 600 (562) Depth Unit: mm *numbers in parentheses reveal effective dimensions

  10. METHODS Approach to Descend (ATD) Experimental Procedure Top End of Descent (EOD) Approach to Ascend (ATA) Bottom

  11. RESULTS Comparison of the layouts of TWSIs at the top of the staircase Descending Approach to Descend (ATD)

  12. Comparison of the layouts of TWSIs at the bottom of the staircase RESULTS Descending End of Descent (EOD) Ascending Approach to Ascend (ATA)

  13. SUMMARY of Experiment 1 Ans. 1: Setback of 30cm and depth of 60cm seemed to be suitable at the top of staircases.At the bottom of staircases, 30cm setback and 60cm depth was also better for descending direction. The same was true for ascending directionthough the need for the depth was not stringent. Ans. 2: Installation of TWSIs at the bottom of staircases was found to be necessary though the need for depth dimension was divisive.

  14. EXPERIMENT 2 Relationship between the degree of desire of TWSIs presence and the length of intermediate landings

  15. OBJECTIVES of Experiment 2 1: Is it necessary to install attention TWSIs on both ends of intermediate landings? 2: If there is a desire of TWSIs installation, how the relationship between the necessity and the length of intermediate landing

  16. METHODS Experimental setup A staircase mockup was made and the length of the intermediate landing was changeable. The length to be examined were1.5, 2.5, 3.5, 4.5, 5.5, 6.5, and 7.5 m respectively. No TWSIs were applied in this experiment. Intermediatelanding 5 BUF 5 TLF Long vs Short

  17. METHODS Procedure The same subjects as Experiment 1 participated. Their need for attention pattern both at the bottom of the upper flight (BUF) and at the top of the lower flight (TLF) on intermediate landing respectively were studied after climb down stairs through the intermediate landings of various length

  18. RESULTSTWSIs(Attention Pattern) ? ? Intermediate Landing Intermediate Landing Bottom of Upper Flight (BUF) Top of Lower Flight (TLF)

  19. SUMMARY of Experiment 2 Ans. 1: The results indicated that the installation of TWSIs for both the bottom of upper flights and the top of lower flights is desirable but the rate of such desire changed as a function of the length of intermediate landing. Ans. 2: The relationship between the desire of TWSIs installation and the length of the intermediate landing showed that TWSIs installation is necessary when the length of intermediate landing exceed 2.5m at the bottom of upper flights and 1.8m at the top of lower flights.

  20. CONCLUSION In the 1st experiment, it was found that TWSIs of attention pattern are necessary for both of the top and bottom of staircase. It also showed that 30cm setback and 60cm depth were desirable. In the 2nd experiment, it was found that TWSIs are necessary to install at the bottom of a upper flight on intermediate landings when it is longer than 2.5m. It also showed that the desire for installation of TWSIs is much stronger in case of the top of a lower flight than the bottom of a upper flight. Further investigation by low vision subjects will be needed to obtain more detailed layout of TWSIs installation

  21. Thank you for your attention

More Related