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Deconstruction of UN38.3 into a Process Flowchart
Technical Paper
2017-01-1208
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper will discuss a compliance demonstration methodology for UN38.3, an international regulation which includes a series of tests that, when successfully met, ensure that lithium metal and lithium ion batteries can be safely transported. Many battery safety regulations, such as FMVSS and ECE, include post-crash criteria that are clearly defined. UN38.3 is unique in that the severity of the tests drove changes to battery design and function. Another unique aspect of UN38.3 is that the regulatory language can lead to different interpretations on how to run the tests and apply pass/fail criteria; there is enough ambiguity that the tests could be run very differently yet all meet the actual wording of the regulation. A process was created detailing exactly how to run the tests to improve consistency among test engineers. As part of this exercise, several tools were created which assist in generating a test plan that complies with the UN38.3 regulation. The requirement configuration table and flowcharts can be used to determine testing requirements at both the module (sub-assembly) and pack (end-item assembly) levels. This paper describes the process used to develop the table and flowcharts and how they can be used to help identify appropriate UN38.3 test plans.
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Citation
Cooney, K., "Deconstruction of UN38.3 into a Process Flowchart," SAE Technical Paper 2017-01-1208, 2017, https://doi.org/10.4271/2017-01-1208.Data Sets - Support Documents
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References
- United Nations Recommendations on the Transport of Dangerous Goods Manual of Tests and Criteria 6th 2015
- Federal Motor Vehicle Safety Standard FMVSS 305 Electric-Powered Vehicles: Electrolyte Spillage and Electrical Shock Protection 80 11 2015
- United Nations Regulation ECE 94-02 Uniform Provisions Concerning the Approval of: Vehicles with Regard to the Protection of the Occupants in the Event of a Frontal Collision 2nd 2012
- United Nations Regulation ECE 95-03 Uniform Provisions Concerning the Approval of: Vehicles with Regard to the Protection of the Occupants in the Event of a Lateral Collision 3rd 2012
- United Nations Regulation ECE 12-04 Uniform Provisions Concerning the Approval of: Vehicles with Regard to the Protection of the Driver Against the Steering Mechanism in the Event of Impact 4th 2012
- United Nations Regulation ECE 100-02 Uniform Provisions Concerning the Approval of: Vehicles with Regard to Specific Requirements for the Electric Power Train 2nd 2013
- U.S. Department of Transportation Code of Federal Regulations, Title 49 - Transportation 2016