http://www.rcgroups.com/forums/showthread.php?t=1046299
... und Einiges mehr.* Complete rewrite of governor mode algorithms *
Download:
http://www.castlecreations.com/downloads.html
... und Einiges mehr.* Complete rewrite of governor mode algorithms *
Ich am Sonntag mit meinem Strecker 330.20 im Protos!ER Corvulus hat geschrieben:Und wer probierts nun zuerst aus?
.. meine alte Sowftware (2.0) hat eigentlich nie gesagt, zuviel UPMs - immer nur wenns zuwenig war. Ging halt dann einfach nicht mehr als Wert X (gescheit).duke08 hat geschrieben:weil die Software sagte, 2750RPM seien zu viel für das Setup (owohl es mit der alten SW kein Problem war).
Aha!ER Corvulus hat geschrieben: sondern auch mal den Motor anzufassen - *Autsch* ... der war mal richtig heiss.
Lucien Miller zum Thama PWM Frequenz bei Scorpion Motoren:Castle Creations ESCS use dynamic timing. The actually timing advance varies with the speed of the motor to maximize power/efficiency at any speed the motor is running. The 15 degrees our normal timing shows is only the middle of the timing range the ESC will use to run the motor. This is one of primary advantages of a sensorless system over a sensored system which has fixed timing. With fixed timing the motor will only be running at its maximum performance/efficiency with a narrow speed range and will fall off quickly below and above that speed. Castle Creations ESCS also compensate for motor inductance when setting timing advance. A high inductance motor will pull our timing up. This creates a paradox, where outrunner motors, which are high inductance, pull our timing to high. Outrunners like high timing but to get it you use low timing because of the inductance compensation. With some outrunners standard timing will go over 30 degrees which causes the ESC to loose sync with the motor.
Bernie
For all the Scorpion motors, we recommend low timing and 8KHz PWM frequency
as a starting point. On most installations, you can safely run with normal
timing as well, and this will normally get you a little more power, but will
also draw a bit more current as well.
Lucien Miller
Innov8tive Designs