From f1496eaecc75cbf4f92375a2e83ffb6c9eb17c93 Mon Sep 17 00:00:00 2001 From: Thomas Dehaeze Date: Fri, 8 May 2020 17:07:01 +0200 Subject: [PATCH] Add text on soft granite mounts --- index.org | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/index.org b/index.org index 93c63dc..9fb8be1 100644 --- a/index.org +++ b/index.org @@ -2151,14 +2151,17 @@ This was done for the following reasons: ** Using soft mounts for the Granite <> +If it is found that ground motion is what is limiting the system performances, an option is to support the granite on soft mounts. + +These soft mounts can topically consists of air cylinders with pistons guided by air bearings. + +The suspension mode of the granite would then be in the order of few Hertz, and the ground motion would be filtered out above that frequency as shown in Figure [[fig:opt_stiff_soft_granite_Dw]]. + + #+name: fig:opt_stiff_soft_granite_Dw -#+caption: Change of sensibility to Ground motion when using a stiff Granite (solid curves) and a soft Granite (dashed curves) +#+caption: Change of sensibility to Ground motion when using stiff Granite mounts (solid curves) and soft Granite mounts (dashed curves) [[file:figs/opt_stiff_soft_granite_Dw.png]] -This means that above the suspension mode of the granite (here around 2Hz), the granite - -Sensible to detector motion? - ** Micro Station Architecture https://tdehaeze.github.io/nass-simscape/alternative-micro-station-architecture.html