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/* |
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* Copyright 2010, |
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* François Bleibel, |
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* Olivier Stasse, |
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* |
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* CNRS/AIST |
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* |
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*/ |
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#include <dynamic-graph/factory.h> |
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#include <sot/dynamic-pinocchio/zmpreffromcom.h> |
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#include <sot/core/debug.hh> |
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using namespace dynamicgraph::sot; |
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using namespace dynamicgraph; |
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DYNAMICGRAPH_FACTORY_ENTITY_PLUGIN(ZmprefFromCom, "ZmprefFromCom"); |
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const double ZmprefFromCom::DT_DEFAULT = 5e-3; |
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const double ZmprefFromCom::FOOT_HEIGHT_DEFAULT = .105; |
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ZmprefFromCom::ZmprefFromCom(const std::string& name) |
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: Entity(name), |
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dt(DT_DEFAULT), |
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footHeight(FOOT_HEIGHT_DEFAULT), |
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waistPositionSIN( |
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NULL, "sotZmprefFromCom(" + name + ")::input(MatrixHomo)::waist"), |
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comPositionSIN(NULL, |
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"sotZmprefFromCom(" + name + ")::input(Vector)::com"), |
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dcomSIN(NULL, "sotZmprefFromCom(" + name + ")::input(Vector)::dcom"), |
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zmprefSOUT(boost::bind(&ZmprefFromCom::computeZmpref, this, _1, _2), |
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waistPositionSIN << comPositionSIN << dcomSIN, |
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"sotZmprefFromCom(" + name + ")::output(RPY)::zmpref") { |
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sotDEBUGIN(5); |
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signalRegistration(waistPositionSIN); |
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signalRegistration(comPositionSIN); |
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signalRegistration(dcomSIN); |
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signalRegistration(zmprefSOUT); |
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sotDEBUGOUT(5); |
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} |
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ZmprefFromCom::~ZmprefFromCom(void) { |
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sotDEBUGIN(5); |
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sotDEBUGOUT(5); |
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return; |
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} |
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/* --- SIGNALS -------------------------------------------------------------- */ |
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/* --- SIGNALS -------------------------------------------------------------- */ |
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/* --- SIGNALS -------------------------------------------------------------- */ |
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dynamicgraph::Vector& ZmprefFromCom::computeZmpref(dynamicgraph::Vector& res, |
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const int& time) { |
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sotDEBUGIN(15); |
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const dynamicgraph::Vector& com = comPositionSIN(time); |
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const dynamicgraph::Vector& dcom = dcomSIN(time); |
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const MatrixHomogeneous& oTw = waistPositionSIN(time); |
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MatrixHomogeneous wTo = oTw.inverse(); |
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dynamicgraph::Vector nextComRef = dcom; |
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nextComRef *= dt; |
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nextComRef += com; |
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nextComRef(2) = -footHeight; // projection on the ground. |
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res = wTo.matrix() * nextComRef; |
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sotDEBUGOUT(15); |
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return res; |
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} |
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