can this be done with the help of microcontrollers?
2007-12-09 19:58:35 · 4 answers · asked by krish 1 in Cars & Transportation ➔ Car Makes ➔ BMW
What? Automatic speed reduction? You mean an automatic downshift?
No. A manual transmission does nothing automatic, that is why it is called a manual. You are in charge of the clutch, gas, shifter & brake. You control the speed.
Now, if you are referring to a sequential (SMG) or direct shift (DSG) transmission, that is another matter. I won't go into a detailed explanation, but you can educate yourself using these links:
http://en.wikipedia.org/wiki/Direct-Shift_Gearbox
http://en.wikipedia.org/wiki/Sequential_manual_gearbox
http://auto.howstuffworks.com/sequential-gearbox.htm
2007-12-10 08:24:58 · answer #1 · answered by Swell Fellow 3 · 0⤊ 0⤋
Yes, but it won't be easy.
Not only you will need microcontrollers which you've mentioned, but you will most likely find the traditional stepper motors to be inadequate for the job (since they have no feedback and could give you a runaway error). You'll need to look for more expensive servo motors.
Having the system to be stable will also be a challenge since you'll need new feedback transducers at various points of the whole set up. Figuring out where to put them is also another matter.
Lastly, with the power hungry servo motors, you will definitely be needing a high power controller capable of powering the servos and of course, a high current DC-DC power system. All in all, an expensive and tedious project.
Programming the microcontroller is actually the easiest part of the whole project.
2007-12-13 19:29:44 · answer #2 · answered by Snowie 6 · 0⤊ 1⤋
what in the blue hell are you talking about? engine braking? if so then of course - engine braking is specifically meant for manuals.
2007-12-11 03:22:05 · answer #3 · answered by ///D 3 · 0⤊ 0⤋
Im not sure what you are asking, reword the question and you might get more answers.
2007-12-10 06:08:35 · answer #4 · answered by Jeffrey 3 · 0⤊ 0⤋