Control Strategies for Gasoline Particulate Filters

Paper #:
  • 2017-01-0931

Published:
  • 2017-03-28
Abstract:
While not commonly in production today, Gasoline Particulate Filters (GPFs) are likely to see widespread deployment to meet stringent EU6.2 and China particulate number (PN) standards. In many ways the operating conditions for GPFs are orthogonal to those of their diesel counterparts, and this leads to different and interesting requirements for the control strategy. We will present some generic system architectures for exhaust systems containing a GPF and will lay out an architecture for the GPF control strategy components which include: regeneration assist feature, soot estimation algorithm, GPF protection. Lastly, we will show validation data of the control strategy under different operating conditions.
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