From efd17b11c35e1c1ce0f4c4b628cb33a9dae0ed42 Mon Sep 17 00:00:00 2001 From: Pavel Pisa Date: Tue, 11 Oct 2016 03:07:55 +0200 Subject: [PATCH] RPi PMSM Motor Control - change the second image position for better readability. Signed-off-by: Pavel Pisa --- rpi-pmsm-control/index.html | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/rpi-pmsm-control/index.html b/rpi-pmsm-control/index.html index ebd0b79..3d93ba0 100644 --- a/rpi-pmsm-control/index.html +++ b/rpi-pmsm-control/index.html @@ -39,9 +39,11 @@ uB, uC) only differences count, i.e. one can be fixed to zero. A sum of the three currents (iA, iB, iC) has to be zero by the Kirchhoff's current law. As a consequence, only two independent quantities/scalars are needed to describe the currents -or Voltages which are in the fact vector in the 2D space. The polar coordinates +or Voltages which are in the fact vector in the 2D space.The polar coordinates system can be used but a rectangular system of alpha, beta components is equivalent -and easier for transformations computation. This transformation of the three phase +and easier for transformations computation. +[[!img pxmc-pmsm-block.png size="300x" align=right alt="Basic PMSM control setup diagram from PXMC library documentation"]] +This transformation of the three phase system to the two orthogonal components vector is named according to its inventor Clark transformation. The waveforms in this 2D system are sine and cosine for steady speed state. Because realization of a controller -- 2.39.2