diff --git a/content/zettels/active_isolation_platforms.md b/content/zettels/active_isolation_platforms.md deleted file mode 100644 index f33da01..0000000 --- a/content/zettels/active_isolation_platforms.md +++ /dev/null @@ -1,15 +0,0 @@ -+++ -title = "Active Isolation Platforms" -author = ["Thomas Dehaeze"] -draft = false -+++ - -Tags -: [Vibration Isolation]({{< relref "vibration_isolation" >}}) - -| Manufacturers | Links | Country | -|---------------|------------------------------------------------------------------------|---------| -| TMC | [link](https://www.techmfg.com/) | USA | -| Newport | [link](https://www.newport.com/c/optical-tables-%26-isolation-systems) | USA | - -<./biblio/references.bib> diff --git a/content/zettels/equipment/active_isolation_platforms.md b/content/zettels/equipment/active_isolation_platforms.md new file mode 100644 index 0000000..ada6cf8 --- /dev/null +++ b/content/zettels/equipment/active_isolation_platforms.md @@ -0,0 +1,33 @@ ++++ +title = "Active Isolation Platforms" +author = ["Thomas Dehaeze"] +draft = false ++++ + +Tags +: [Vibration Isolation]({{< relref "vibration_isolation" >}}) + + +## Manufacturers {#manufacturers} + +| Manufacturers | Links | Country | +|-------------------|----------------------------------------------------------------------------------|-------------| +| TMC | [link](https://www.techmfg.com/) | USA | +| Newport | [link](https://www.newport.com/c/optical-tables-%26-isolation-systems) | USA | +| Thorlabs | [link](https://www.thorlabs.com/navigation.cfm?guide%5FID=42) | USA | +| IDE | [link](https://www.ideworld.com/en/active%5Fvibration%5Fisolation.html) | Germany | +| Harvard Apparatus | [link](https://www.warneronline.com/labmate-vibraplane-workstations-9100-series) | USA | +| Herzan | [link](https://www.herzan.com/products/active-vibration-control/avi-series.html) | USA | +| Standa | [link](http://www.standa.lt/products/catalog/optical%5Ftables?item=335) | Lithuania | +| Table Stable | [link](http://www.tablestable.com/en/products/list/2/) | Switzerland | +| Accurion | [link](https://www.halcyonics.com/active-vibration-isolation-products) | Germany | +| Vibiso | [link](https://vibiso.com/?page%5Fid=3433) | USA | + + +## Vibration Isolating Pads {#vibration-isolating-pads} + +| Manufacturer | links | Country | +|--------------|----------------------------------|---------| +| ACE | [link](https://www.ace-ace.com/) | Germany | + +<./biblio/references.bib> diff --git a/content/zettels/singular_value_decomposition.md b/content/zettels/singular_value_decomposition.md index 4e44a9d..c53493d 100644 --- a/content/zettels/singular_value_decomposition.md +++ b/content/zettels/singular_value_decomposition.md @@ -10,7 +10,7 @@ Tags ## SVD of a MIMO system {#svd-of-a-mimo-system} -This is taken from ([Skogestad and Postlethwaite 2007](#org0179442)). +This is taken from ([Skogestad and Postlethwaite 2007](#org4953f60)). We are interested by the physical interpretation of the SVD when applied to the frequency response of a MIMO system \\(G(s)\\) with \\(m\\) inputs and \\(l\\) outputs. @@ -18,14 +18,9 @@ We are interested by the physical interpretation of the SVD when applied to the G = U \Sigma V^H \end{equation} -\\(\Sigma\\) -: is an \\(l \times m\\) matrix with \\(k = \min\\{l, m\\}\\) non-negative **singular values** \\(\sigma\_i\\), arranged in descending order along its main diagonal, the other entries are zero. - -\\(U\\) -: is an \\(l \times l\\) unitary matrix. The columns of \\(U\\), denoted \\(u\_i\\), represent the **output directions** of the plant. They are orthonormal. - -\\(V\\) -: is an \\(m \times m\\) unitary matrix. The columns of \\(V\\), denoted \\(v\_i\\), represent the **input directions** of the plant. They are orthonormal. +- \\(\Sigma\\): is an \\(l \times m\\) matrix with \\(k = \min\\{l, m\\}\\) non-negative **singular values** \\(\sigma\_i\\), arranged in descending order along its main diagonal, the other entries are zero. +- \\(U\\): is an \\(l \times l\\) unitary matrix. The columns of \\(U\\), denoted \\(u\_i\\), represent the **output directions** of the plant. They are orthonormal. +- \\(V\\): is an \\(m \times m\\) unitary matrix. The columns of \\(V\\), denoted \\(v\_i\\), represent the **input directions** of the plant. They are orthonormal. The input and output directions are related through the singular values: @@ -48,7 +43,7 @@ Then is follows that: ## SVD to pseudo inverse rectangular matrices {#svd-to-pseudo-inverse-rectangular-matrices} -This is taken from ([Preumont 2018](#org37ddb8b)). +This is taken from ([Preumont 2018](#org6558f35)). The **Singular Value Decomposition** (SVD) is a generalization of the eigenvalue decomposition of a rectangular matrix: \\[ J = U \Sigma V^T = \sum\_{i=1}^r \sigma\_i u\_i v\_i^T \\] @@ -70,6 +65,6 @@ This will have usually little impact of the fitting error while reducing conside ## Bibliography {#bibliography} -Preumont, Andre. 2018. _Vibration Control of Active Structures - Fourth Edition_. Solid Mechanics and Its Applications. Springer International Publishing. . +Preumont, Andre. 2018. _Vibration Control of Active Structures - Fourth Edition_. Solid Mechanics and Its Applications. Springer International Publishing. . -Skogestad, Sigurd, and Ian Postlethwaite. 2007. _Multivariable Feedback Control: Analysis and Design_. John Wiley. +Skogestad, Sigurd, and Ian Postlethwaite. 2007. _Multivariable Feedback Control: Analysis and Design_. John Wiley. diff --git a/content/zettels/vibration_isolation.md b/content/zettels/vibration_isolation.md index 48d44d3..d6e894a 100644 --- a/content/zettels/vibration_isolation.md +++ b/content/zettels/vibration_isolation.md @@ -11,7 +11,6 @@ Backlinks: - [Investigation on active vibration isolation of a stewart platform with piezoelectric actuators]({{< relref "wang16_inves_activ_vibrat_isolat_stewar" >}}) - [Active isolation and damping of vibrations via stewart platform]({{< relref "hanieh03_activ_stewar" >}}) - [Modeling and control of vibration in mechanical systems]({{< relref "du10_model_contr_vibrat_mechan_system" >}}) -- [Vibration Control of Active Structures - Fourth Edition]({{< relref "preumont18_vibrat_contr_activ_struc_fourt_edition" >}}) - [Simultaneous, fault-tolerant vibration isolation and pointing control of flexure jointed hexapods]({{< relref "li01_simul_fault_vibrat_isolat_point" >}}) - [Sensor fusion for active vibration isolation in precision equipment]({{< relref "tjepkema12_sensor_fusion_activ_vibrat_isolat_precis_equip" >}}) - [An intelligent control system for multiple degree-of-freedom vibration isolation]({{< relref "geng95_intel_contr_system_multip_degree" >}}) @@ -27,31 +26,9 @@ Backlinks: - [Sensors and control of a space-based six-axis vibration isolation system]({{< relref "hauge04_sensor_contr_space_based_six" >}}) - [An exploration of active hard mount vibration isolation for precision equipment]({{< relref "poel10_explor_activ_hard_mount_vibrat" >}}) - [Sensor fusion methods for high performance active vibration isolation systems]({{< relref "collette15_sensor_fusion_method_high_perfor" >}}) +- [Vibration Control of Active Structures - Fourth Edition]({{< relref "preumont18_vibrat_contr_activ_struc_fourt_edition" >}}) Tags : - -## Vibration Isolating Pads {#vibration-isolating-pads} - -| Manufacturer | links | Country | -|--------------|----------------------------------|---------| -| ACE | [link](https://www.ace-ace.com/) | Germany | - - -## Vibration Isolation Tables {#vibration-isolation-tables} - -| Manufacturer | links | Country | -|-------------------|----------------------------------------------------------------------------------|-------------| -| TMC | [link](https://www.techmfg.com/products/stacis/stacisiii) | USA | -| Newport | [link](https://www.newport.com/f/guardian-active-isolation-workstations) | USA | -| Thorlabs | [link](https://www.thorlabs.com/navigation.cfm?guide%5FID=42) | USA | -| IDE | [link](https://www.ideworld.com/en/active%5Fvibration%5Fisolation.html) | Germany | -| Harvard Apparatus | [link](https://www.warneronline.com/labmate-vibraplane-workstations-9100-series) | USA | -| Herzan | [link](https://www.herzan.com/products/active-vibration-control/avi-series.html) | USA | -| Standa | [link](http://www.standa.lt/products/catalog/optical%5Ftables?item=335) | Lithuania | -| Table Stable | [link](http://www.tablestable.com/en/products/list/2/) | Switzerland | -| Accurion | [link](https://www.halcyonics.com/active-vibration-isolation-products) | Germany | -| Vibiso | [link](https://vibiso.com/?page%5Fid=3433) | USA | - <./biblio/references.bib>