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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-02-24 01:49:02 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-02-24 01:49:02 +0000 |
commit | 5de3dd4762ca33a0f92e79ffa4fe2ff67069d531 (patch) | |
tree | bad482b7afa4cdf47422d60a5dd2c61c7e333b09 /src/electronics/simulation/vccs.cpp | |
download | ktechlab-5de3dd4762ca33a0f92e79ffa4fe2ff67069d531.tar.gz ktechlab-5de3dd4762ca33a0f92e79ffa4fe2ff67069d531.zip |
Added KDE3 version of ktechlab
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktechlab@1095338 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'src/electronics/simulation/vccs.cpp')
-rw-r--r-- | src/electronics/simulation/vccs.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/electronics/simulation/vccs.cpp b/src/electronics/simulation/vccs.cpp new file mode 100644 index 0000000..7ff1bc1 --- /dev/null +++ b/src/electronics/simulation/vccs.cpp @@ -0,0 +1,93 @@ +/*************************************************************************** + * Copyright (C) 2003-2004 by David Saxton * + * david@bluehaze.org * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + ***************************************************************************/ + +#include "elementset.h" +#include "matrix.h" +#include "vccs.h" + +VCCS::VCCS( const double gain ) + : Element::Element() +{ + m_g = gain; + m_numCBranches = 1; + m_numCNodes = 4; +} + + +VCCS::~VCCS() +{ +} + + +void VCCS::setGain( const double g ) +{ + if ( g == m_g ) return; + + if (p_eSet) + p_eSet->setCacheInvalidated(); + + // Remove old values + m_g = -m_g; + add_initial_dc(); + + // Add new values + m_g = g; + add_initial_dc(); +} + + +void VCCS::add_map() +{ + if (!b_status) return; + + if ( !p_cnode[0]->isGround ) + { + p_A->setUse_c( p_cbranch[0]->n(), p_cnode[0]->n(), Map::et_stable, false ); + } + if ( !p_cnode[1]->isGround ) + { + p_A->setUse_c( p_cbranch[0]->n(), p_cnode[1]->n(), Map::et_stable, false ); + } + if ( !p_cnode[2]->isGround ) + { + p_A->setUse_b( p_cnode[2]->n(), p_cbranch[0]->n(), Map::et_constant, true ); + p_A->setUse_c( p_cbranch[0]->n(), p_cnode[2]->n(), Map::et_constant, true ); + } + if ( !p_cnode[3]->isGround ) + { + p_A->setUse_b( p_cnode[3]->n(), p_cbranch[0]->n(), Map::et_constant, true ); + p_A->setUse_c( p_cbranch[0]->n(), p_cnode[3]->n(), Map::et_constant, true ); + } +} + + +void VCCS::add_initial_dc() +{ + if (!b_status) + return; + + A_g( 2, 0 ) += m_g; + A_g( 3, 0 ) -= m_g; + A_g( 2, 1 ) -= m_g; + A_g( 3, 1 ) += m_g; +} + + +void VCCS::updateCurrents() +{ + if (!b_status) + return; + + m_cnodeI[0] = m_cnodeI[1] = 0.; + m_cnodeI[3] = (p_cnode[0]->v-p_cnode[1]->v)*m_g; + m_cnodeI[2] = -m_cnodeI[3]; +} + + |