| Title | Using Stopping Distance to Estimate Vehicle Speed for Accident Arbitration |
| Dept | IOT |
| Year | 2003 |
| Month | |
| Price | |
| Summary | Published in June 2003 IOT SERIAL NO.92-43-3243，438 pp. The purpose of this study is to improve and revise current “braking distance of automotive, driving speed, and cross reference chart of road friction coefficient, and to further discuss methods of speed estimation, accident re-construction software, event data recorder and on-spot operation procedure. Based on current chart of speed estimation in Taiwan, the range of resistance coefficient is too big. Thus, domestic and foreign databases of automotive brake experiment are used. An Improved way of estimation for ts value and resistance value is also adapted. To better verify the status, tests were conducted. From these methods, this study can accurately estimate resistance value and minimize the estimation tolerance of driving speed. Furthermore, a new estimation chart of driving speed is submitted for further reference. In the future, by using the proposed methods, road condition, and brake test information of each automotive, each ts value and resistance value can be estimated more accurately. To compare various foreign accident re-construction software, PC-Crash6.2 and EDC are the best two choices. The simulation result by using PC-Crash6.2 is close to the result of real traffic accidents. The simulation result can be the reference of accident arbitration. Information collected on the spot should be referred to the items needed for software simulation. We understand that EDR (Event Data Recorder) can be helpful for the analysis of accident and reconstruction of the accident scenes, we therefore have further discussion on relevant study and products from overseas. At the moment, information of EDR is not yet unified because different companies are using different interface, which causes difficulties of interpretation to meet different formats and needs additional operation time. Therefore, it is a necessity to follow international standard, which can save time and decrease the complexity. We will suggest companies to follow the standard after the international standard is confirmed. To collect the information of the accident spot, it is feasible to record the on-the-spot situation by taking photos. Not only can we completely reserve the on-the-spot information, but we can also reconstruct the accident via the vehicle damage level reproduced by 3D reconstruction technology. That will help the arbitration committee members to figure out the vehicle directions and the driving modes of the accident, and then decide which parties should be responsible of the accident. |
| Post date | 2004/12/30 |
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