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Thomas Dehaeze
2020-10-15 21:36:53 +02:00
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content/zettels/collocated_control.md
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@@ -10,7 +10,7 @@ Tags
## Collocated/Dual actuator and sensor {#collocated-dual-actuator-and-sensor}
According to ([Preumont 2018](#org97812d4)):
According to ([Preumont 2018](#org5d050e8)):
> A **collocated** control system is a control system where the actuator and the sensor are attached to the same degree of freedom.
>
@@ -19,9 +19,9 @@ According to ([Preumont 2018](#org97812d4)):
## Nearly Collocated Actuator Sensor Pair {#nearly-collocated-actuator-sensor-pair}
From Figure [1](#org9754446), it is clear that at some frequency / for some mode, the actuator and the sensor will not be collocated anymore (here starting with mode 3).
From Figure [1](#org0d605b2), it is clear that at some frequency / for some mode, the actuator and the sensor will not be collocated anymore (here starting with mode 3).
<a id="org9754446"></a>
<a id="org0d605b2"></a>
{{< figure src="/ox-hugo/preumont18_nearly_collocated_schematic.png" caption="Figure 1: Mode shapes for a uniform beam. \\(u\\) and \\(y\\) are not collocated actuator and sensor" >}}
@@ -40,4 +40,4 @@ Of course, this will reduce the sensibility.
## Bibliography {#bibliography}
<a id="org97812d4"></a>Preumont, Andre. 2018. _Vibration Control of Active Structures - Fourth Edition_. Solid Mechanics and Its Applications. Springer International Publishing. <https://doi.org/10.1007/978-3-319-72296-2>.
<a id="org5d050e8"></a>Preumont, Andre. 2018. _Vibration Control of Active Structures - Fourth Edition_. Solid Mechanics and Its Applications. Springer International Publishing. <https://doi.org/10.1007/978-3-319-72296-2>.