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SI Engine Simple Torque Model

For the simple torque lookup table model, the SI engine uses a lookup table map that is a function of engine speed and load, T b r a k e = f T n L ( L , N ) , where:

  • T b r a k e is engine brake torque after accounting for spark advance, AFR, and friction effects, in N·m.

  • Lis engine load, as a normalized cylinder air mass, dimensionless.

  • Nis engine speed, in rpm.

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