There are some catch cases that keep the model numerically stable for negative RPM, but it may not be accurate. There are conditions during startup and idle where negative RPM can occur. The models need to be verified and improved for this condition.
There are some catch cases that keep the model numerically stable for negative RPM, but it may not be accurate. There are conditions during startup and idle where negative RPM can occur. The models need to be verified and improved for this condition.