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Formula-e tech demo

screenshot of the scene

Author: Kilinich

Group: Default

Filesize: 67.08 kB

Date added: 2016-08-18

Rating: 5

Downloads: 2298

Views: 369

Comments: 8

Ratings: 1

Times favored: 0

Made with: Algodoo v2.1.0


Scene tag

Electric battery and motor tech demo for future contest.
Semi-realistic parameters. You could make your own batteries/engines connection topology and control system.

Update: Correct power/current curve
Update2: Bugfix, performance tuning
Update3: Realistic efficiency, twice performance, topology limitation

Torque/Current/Power/Efficiency curves: … sp=sharing
Last edited at 2016/08/24 10:46:09 by Kilinich
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Interesting high voltage motor and battery pack! Good script coding!
Nice job! :tup:

The only thing that I question is the fact that the motor does not draw any current when at full throttle (up key) and the car is prevented from moving forward. In that condition, max torque without drive-train movement should cause a condition of high or maximum current draw from the batteries, but it shows ZERO amps!
Last edited at 2016/08/18 22:40:39 by Xray
2Xray. Hmmm... good point. I'll think about it.
Far as I know, electric motors consume more amps the less angular vel the shaft is going at (inversely proportionate), and the function is kind of like a quarter of a circle for a graph with RPM in the X axis and amps in the Y axis
@The Linkage -- It actually depends on what type of motor. There are a lot of different types of DC brush motors, and they all have different torque/current curves. For most modern electric vehicles, they use either brushless AC or DC types of motors controlled via an electronic control module. The difference between AC and DC brushless motors is in the way they are commutated, and again, different types of motors have different torque/current curves. In general, more torque = more current draw. Angular velocity has little effect on the torque/current curve, but motor voltage has a huge effect on maximum RPM.
Last edited at 2016/08/19 02:18:59 by Xray
@kilinich - Perfect! Works correctly now. :tup:
Impressive. There is only one variable in all the coding.:tup:
That will be used for charging batteries.
Fixed and tuned. Hope this is final version of contest components!