Quote:
Originally Posted by Astro
With the oil system i would say that oil flow, oil pressure, pump turning, pump current etc. really wouldn't be necessary. They all add up to the same thing, an Indication that the drive motor needs to be stopped.
A simple temperature monitor on the motor would give an indication of all those other failure modes. The motor temperature goes up higher than expected from current load, passes a set threshold and then warns the driver.
|
The oil flow, oil pressure, pump turning and pump current are all warnings that you should get before the temperature goes up. A signal that the car should not get out onto the freeway, or signal that there has been a failure while you are driving and let you know to get to somewhere safe before the car stops. They're kinda nice to have.
To protect the motor from damage, I agree that the motor temperature is all that you really need. Depending on how fast the temperature rises, you can likely do at least some of the warnings with temperature only.