Update Content - 2022-03-17

content/zettels/actuators.md

@@ -7,12 +7,26 @@ draft = false
 Tags
 :
 
-Links to specific actuators:
+
+## Short Stroke Actuators {#short-stroke-actuators}
+
+For short stroke and very high dynamic applications, mainly two types of actuators can be used:
 
 -   [Voice Coil Actuators]({{< relref "voice_coil_actuators.md" >}})
 -   [Piezoelectric Actuators]({{< relref "piezoelectric_actuators.md" >}})
 
 
+## Long Stroke Actuators {#long-stroke-actuators}
+
+-   Linear motors
+-   Piezoelectric Walking Drive ([PI](https://www.physikinstrumente.com/en/expertise/technology/piezoelectric-drives/piezowalk-piezo-motors/))
+
+Rotational drives can be combined with ball-screw mechanisms for long (infinite) axial motion:
+
+-   Brush-less DC Motor. See (<a href="#citeproc_bib_item_2">Yedamale 2003</a>) and this [working principle](https://www.electricaltechnology.org/2016/05/bldc-brushless-dc-motor-construction-working-principle.html).
+-   [Stepper Motor]({{< relref "stepper_motor.md" >}})
+
+
 ## How to choose the correct actuator for my application? {#how-to-choose-the-correct-actuator-for-my-application}
 
 For vibration isolation:
@@ -20,16 +34,6 @@ For vibration isolation:
 -   In (<a href="#citeproc_bib_item_1">Ito and Schitter 2016</a>), the effect of the actuator stiffness on the attainable vibration isolation is studied ([Notes]({{< relref "ito16_compar_class_high_precis_actuat.md" >}}))
 
 
-## Brush-less DC Motor {#brush-less-dc-motor}
-
--   (<a href="#citeproc_bib_item_2">Yedamale 2003</a>)
-
-<https://www.electricaltechnology.org/2016/05/bldc-brushless-dc-motor-construction-working-principle.html>
-
-
-## [Stepper Motor]({{< relref "stepper_motor.md" >}}) {#stepper-motor--stepper-motor-dot-md}
-
-
 ## Bibliography {#bibliography}
 
 <style>.csl-entry{text-indent: -1.5em; margin-left: 1.5em;}</style><div class="csl-bib-body">