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EPOS2 Application Notes Collection - Maxon Motor

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Controller Architecture<br />

<strong>Application</strong> Examples<br />

Electrical Part<br />

R = 2.07 Ω<br />

L = 0.620 mH<br />

Interface between electrical and mechanical Parts<br />

k M<br />

=<br />

52.5 mNm ------------<br />

A<br />

Mechanical Part<br />

J = J motor<br />

+ J load<br />

= 172gcm 2<br />

r 0<br />

=<br />

8.65mNm<br />

r 1<br />

211-------------------<br />

μNm k<br />

( rad) ⁄ s<br />

M<br />

I 0<br />

+ ----------------------------------------- ( 211 + 6)<br />

-------------------<br />

πNm<br />

217-------------------<br />

πNm<br />

2πrad<br />

load<br />

n 0<br />

---------------<br />

1min<br />

( rad) ⁄ s ( rad) ⁄ s<br />

⋅ ------------<br />

1 60s<br />

motor<br />

= = =<br />

<br />

• Input is the voltage at the motor winding.<br />

• Outputs are current, velocity or position.<br />

Regulation Tuning according to the described conditions results in the following controller and feedforward<br />

parameters:<br />

Figure 9-96<br />

Example 2 – System Parameters, real<br />

maxon motor control<br />

<strong>EPOS2</strong> Positioning Controllers Document ID: rel3956 9-135<br />

<strong>EPOS2</strong> <strong>Application</strong> <strong>Notes</strong> <strong>Collection</strong> Edition: April 2013<br />

© 2013 maxon motor. Subject to change without prior notice.

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