diff options
Diffstat (limited to 'src/Heating/FOPDT.cpp')
| -rw-r--r-- | src/Heating/FOPDT.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/Heating/FOPDT.cpp b/src/Heating/FOPDT.cpp index e2d9244e..3ef32a72 100644 --- a/src/Heating/FOPDT.cpp +++ b/src/Heating/FOPDT.cpp @@ -29,7 +29,8 @@ bool FopDt::SetParameters(float pg, float ptc, float pdt, float pMaxPwm, bool pU return true; } - if (pg > 10.0 && pg < 1500.0 && pdt > 0.1 && ptc > 2 * pdt && pMaxPwm > 0.2 && pMaxPwm <= 1.0) + // DC 2017-06-20: allow S down to 0.01 for one of our OEMs (use > 0.0099 because >= 0.01 doesn't work due to rounding error) + if (pg > 10.0 && pg <= 1500.0 && pdt > 0.099 && ptc >= 2 * pdt && pMaxPwm > 0.0099 && pMaxPwm <= 1.0) { gain = pg; timeConstant = ptc; |