전자공학 - 제어 시스템의 해석

목차

1 원형 2차계 시스템의 모델링
2 제어 시스템의 출력응답특성
3 시스템의 출력응답 프로그래밍

본문내용

/////////////////////////////////////////////////////////////////////////
// CPrototypeView construction/destruction
CPrototypeView::CPrototypeView()
{
// TODO: add construction code here
}
CPrototypeView::~CPrototypeView()
{
}
BOOL CPrototypeView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CPrototypeView drawing
void CPrototypeView::OnDraw(CDC* pDC)
{
CPrototypeDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
CClientDC dc(this);
int y_t = 0;
double K;
K = 187.17; // 제동비를 0.2로 초기화
// K = 17.17; // 제동비를 0.7로 초기화
double jeta, omega, root_jeta, theta ;
jeta= 0.0;
omega = 0.0;
root_jeta = 0.0;
theta = 0.0;
double exp_t, sin_t;
exp_t = 0.0;
sin_t = 0.0;
CPoint pt; // 출력응답파형 point
CRect rect; // View 윈도우
COLORREF color = RGB(0x00, 0x00, 0xff); // 출력함수파형 칼라
GetClientRect(rect);
// View 윈도우 좌표
dc.MoveTo(rect.left+70, rect.bottom-70);
dc.LineTo(rect.right-137, rect.bottom-70);
dc.MoveTo(rect.left+70, rect.bottom-70);
dc.LineTo(rect.left+70, rect.top+70);
dc.MoveTo(rect.left+70, rect.top+70);
dc.LineTo(rect.right-137, rect.top+70);
dc.MoveTo(rect.right-137, rect.top+70);
dc.LineTo(rect.right-137, rect.bottom-70);
// 출력응답파형 시간축 지정
dc.MoveTo(rect.left+70, rect.bottom-150);
dc.LineTo(rect.right-137, rect.bottom-150);
// 텍스트 스트링 출력
pDC->SetTextAlign(TA_LEFT);
pDC->TextOut(rect.left+270, rect.top+150, "Unit-Step Transient
Response");
// 제동비
omega = 67.08*sqrt(K);
jeta = 361.2/(2*omega);
root_jeta = sqrt(1-jeta*jeta);
theta = acos(jeta);
for (double t=0.0; t<=0.055; t+=0.0001) {
exp_t = exp(-jeta*omega*t);
sin_t = sin(omega*root_jeta*t + theta);
// 출력응답함수
y_t = (int)((1 - exp_t*sin_t/root_jeta)*100);
pt.x = (int)((rect.left+70.0) + t*10000.0);
pt.y = (rect.bottom-150) - y_t;
pDC->SetPixel(pt.x, pt.y, color);
}
}
/////////////////////////////////////////////////////////////////////////////
// CPrototypeView printing
BOOL CPrototypeView::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CPrototypeView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CPrototypeView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CPrototypeView diagnostics
#ifdef _DEBUG
void CPrototypeView::AssertValid() const
{
CView::AssertValid();
}
void CPrototypeView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CPrototypeDoc* CPrototypeView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CPrototypeDoc)));
return (CPrototypeDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CPrototypeView message handlers

키워드

라플라스,   제어시스템,   전자공학,   비쥬얼