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#include "ControlElementSolver.h"
#include "ControlElementContainer.h"
#include "ControlEditor.h"
#include "ConnectionLine.h"
#include "Constant.h"
#include "Exponential.h"
#include "Gain.h"
#include "IOControl.h"
#include "Limiter.h"
#include "Multiplier.h"
#include "RateLimiter.h"
#include "Sum.h"
#include "TransferFunction.h"
ControlElementSolver::ControlElementSolver(ControlEditor* controlEditor,
double timeStep,
double integrationError,
bool startAllZero,
double input)
{
m_ctrlContainer = new ControlElementContainer();
m_ctrlContainer->FillContainer(controlEditor);
// Check if the sistem have one input and one output
bool fail = false;
wxString failMessage = "";
auto ioList = m_ctrlContainer->GetIOControlList();
if(ioList.size() != 2) {
fail = true;
failMessage = _("The control system must have one input and one output.");
}
bool haveInput, haveOutput;
haveInput = haveOutput = false;
for(auto it = ioList.begin(), itEnd = ioList.end(); it != itEnd; ++it) {
IOControl* io = *it;
if(io->GetType() == Node::NODE_OUT) {
m_inputControl = io;
haveInput = true;
} else if(io->GetType() == Node::NODE_IN) {
m_outputControl = io;
haveOutput = true;
}
}
if(!fail && !haveInput) {
fail = true;
failMessage = _("There is no input in the control system.");
}
if(!fail && !haveOutput) {
fail = true;
failMessage = _("There is no output in the control system.");
}
if(fail) {
wxMessageDialog msgDialog(controlEditor, failMessage, _("Error"), wxOK | wxCENTRE | wxICON_ERROR);
msgDialog.ShowModal();
}
m_timeStep = timeStep;
m_integrationError = integrationError;
InitializeValues(input, startAllZero);
}
void ControlElementSolver::InitializeValues(double input, bool startAllZero)
{
// Reset Elements values
auto elementList = m_ctrlContainer->GetControlElementsList();
for(auto it = elementList.begin(), itEnd = elementList.end(); it != itEnd; ++it) {
ControlElement* element = *it;
element->SetSolved(false);
element->SetOutput(0.0);
}
auto tfList = m_ctrlContainer->GetTFList();
for(auto it = tfList.begin(), itEnd = tfList.end(); it != itEnd; ++it) {
TransferFunction* tf = *it;
tf->CalculateSpaceState(m_timeStep, m_integrationError);
}
auto connectionLineList = m_ctrlContainer->GetConnectionLineList();
for(auto it = connectionLineList.begin(), itEnd = connectionLineList.end(); it != itEnd; ++it) {
ConnectionLine* cLine = *it;
cLine->SetSolved(false);
cLine->SetValue(0.0);
}
if(!startAllZero) {
// Calculate the steady-state results according to the input.
}
}
void ControlElementSolver::SolveNextStep(double input)
{
// Set all elements as not solved
auto elementList = m_ctrlContainer->GetControlElementsList();
for(auto it = elementList.begin(), itEnd = elementList.end(); it != itEnd; ++it) {
ControlElement* element = *it;
element->SetSolved(false);
}
auto connectionLineList = m_ctrlContainer->GetConnectionLineList();
for(auto it = connectionLineList.begin(), itEnd = connectionLineList.end(); it != itEnd; ++it) {
ConnectionLine* cLine = *it;
cLine->SetSolved(false);
}
// Get first node and set input value on connected lines
ConnectionLine* firstConn = static_cast<ConnectionLine*>(m_inputControl->GetChildList()[0]);
m_inputControl->SetSolved();
firstConn->SetValue(input);
firstConn->SetSolved();
FillAllConnectedChildren(firstConn);
// Set value to the connected lines in constants
auto constantList = m_ctrlContainer->GetConstantList();
for(auto it = constantList.begin(), itEnd = constantList.end(); it != itEnd; ++it) {
Constant* constant = *it;
if(constant->GetChildList().size() == 1) {
constant->SetSolved();
ConnectionLine* child = static_cast<ConnectionLine*>(constant->GetChildList()[0]);
child->SetValue(constant->GetValue());
child->SetSolved();
FillAllConnectedChildren(child);
}
}
ConnectionLine* currentLine = firstConn;
while(currentLine) {
ConnectionLine* lastLine = currentLine;
currentLine = SolveNextElement(currentLine);
if(!currentLine) m_solutions.push_back(lastLine->GetValue());
}
bool haveUnsolvedElement = true;
while(haveUnsolvedElement) {
haveUnsolvedElement = false;
// Get the solved line connected with unsolved element (elements not connected in the main branch).
for(auto it = connectionLineList.begin(), itEnd = connectionLineList.end(); it != itEnd; ++it) {
ConnectionLine* cLine = *it;
if(cLine->IsSolved()) {
auto parentList = cLine->GetParentList();
for(auto itP = parentList.begin(), itPEnd = parentList.end(); itP != itPEnd; ++itP) {
ControlElement* parent = static_cast<ControlElement*>(*itP);
if(!parent->IsSolved()) {
haveUnsolvedElement = true;
// Solve secondary branch.
currentLine = cLine;
while(currentLine) {
currentLine = SolveNextElement(currentLine);
}
break;
}
}
}
if(haveUnsolvedElement) break;
}
}
}
void ControlElementSolver::FillAllConnectedChildren(ConnectionLine* parent)
{
auto childList = parent->GetLineChildList();
for(auto it = childList.begin(), itEnd = childList.end(); it != itEnd; ++it) {
ConnectionLine* child = *it;
child->SetValue(parent->GetValue());
child->SetSolved();
FillAllConnectedChildren(child);
}
}
ConnectionLine* ControlElementSolver::SolveNextElement(ConnectionLine* currentLine)
{
auto parentList = currentLine->GetParentList();
for(auto it = parentList.begin(), itEnd = parentList.end(); it != itEnd; ++it) {
ControlElement* element = static_cast<ControlElement*>(*it);
// Solve the unsolved parent.
if(!element->IsSolved()) {
if(!element->Solve(currentLine->GetValue())) return NULL;
element->SetSolved();
// Get the output node (must have one or will result NULL).
Node* outNode = NULL;
auto nodeList = element->GetNodeList();
for(auto itN = nodeList.begin(), itNEnd = nodeList.end(); itN != itNEnd; ++itN) {
Node* node = *itN;
if(node->GetNodeType() == Node::NODE_OUT) outNode = node;
}
if(!outNode) return NULL;
// Set connection line value associated with the output node.
auto childList = element->GetChildList();
for(auto itC = childList.begin(), itCEnd = childList.end(); itC != itCEnd; ++itC) {
ConnectionLine* cLine = static_cast<ConnectionLine*>(*itC);
if(!cLine->IsSolved()) { // Only check unsolved lines
// Check if the connection line have the output node on the list
auto lineNodeList = cLine->GetNodeList();
for(auto itCN = nodeList.begin(), itCNEnd = nodeList.end(); itCN != itCNEnd; ++itCN) {
Node* childNode = *itCN;
if(childNode == outNode) {
// Check if the line connect two elements, otherwise return NULL
if(cLine->GetType() != ConnectionLine::ELEMENT_ELEMENT) return NULL;
// Set the connection line value and return it.
cLine->SetValue(element->GetOutput());
cLine->SetSolved();
FillAllConnectedChildren(cLine);
return cLine;
}
}
}
}
}
}
return NULL;
}
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