Nonlinear model predictive control applied to multivariable thermal and chemical control of selective catalytic reduction aftertreatment

@article{Sowman2019NonlinearMP,
  title={Nonlinear model predictive control applied to multivariable thermal and chemical control of selective catalytic reduction aftertreatment},
  author={Jonathan Sowman and Dina Shona Laila and Peter Fussey and Anthony Truscott and Andrew Cruden},
  journal={International Journal of Engine Research},
  year={2019},
  volume={20},
  pages={1017 - 1024}
}
Manufacturers of diesel engines are under increasing pressure to meet progressively stricter NO x emission limits. A key NO x abatement technology is selective catalytic reduction in which ammonia, aided by a catalyst, reacts with NO x in the exhaust stream to produce nitrogen and water. The conversion efficiency is temperature dependent: at low temperature, reaction rates are temperature limited, resulting in suboptimal NO x removal, whereas at high temperatures, they are mass transfer limited… CONTINUE READING

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