public function calculateLam(TransistorBiLF $transistor, $pcbID)
{
$sEnv = $transistor->getEnvironment();
$piE = $this->systemService->getPiE(63, $sEnv);
$pcb = $this->pcbService->getItem($pcbID);
$system = $this->systemService->getItem($pcb->getSystemID());
$temp = $transistor->getTempPassive() + $transistor->getTempDissipation() + $system->getTemp();
$transistor->setTemp($temp);
$piT = exp(-2114 * (1 / ($temp + 273) - 1 / 298));
$base = 0.00074;
$app = $transistor->getApplication();
if ($app == "Switching") {
$piA = 0.7;
} else {
$piA = 1.5;
}
$piQ = $this->getQualityValue($transistor->getQuality());
$power = $transistor->getPowerRated();
if ($power <= 0.1) {
$piR = 0.43;
} else {
$piR = pow($power, 0.37);
}
$vs = $transistor->getVoltageCE() / $transistor->getVoltageCEO();
$piS = 0.45 * exp(3.1 * $vs);
$lambda = $base * $piT * $piA * $piR * $piS * $piQ * $piE * pow(10, -6);
return $lambda;
}
/**
* @Route("/newTransistorBiLF", name="newTransistorBiLF")
* @Template()
*/
public function newTransistorBiLFAction()
{
$post = $this->get('request')->request;
$id = $post->get('id');
$formData = $post->get('formData');
$objF = json_decode($formData);
$obj = $objF->transistorBiLFForm;
$transistor = new TransistorBiLF();
$transistor->setParams($obj);
$serviceTransistor = $this->get('ikaros_transistorBiLFService');
$lambda = $serviceTransistor->calculateLam($transistor, $id);
$serviceParts = $this->get('ikaros_partService');
$e = $serviceParts->setLams($lambda, $transistor, $id);
if ($e != "") {
return new Response(json_encode(array('e' => $e)), 400, array('Content-Type' => 'application/json; charset=utf-8'));
}
return new Response(json_encode(array('Label' => $transistor->getLabel(), 'Lam' => $transistor->getLam(), 'Type' => $transistor->getType(), 'CasePart' => $transistor->getCasePart(), 'Application' => $transistor->getApplication(), 'Quality' => $transistor->getQuality(), 'Environment' => $transistor->getEnvironment(), 'PowerRated' => $transistor->getPowerRated(), 'VoltageCE' => $transistor->getVoltageCE(), 'VoltageCEO' => $transistor->getVoltageCEO(), 'TempDissipation' => $transistor->getTempDissipation(), 'TempPassive' => $transistor->getTempPassive(), 'idP' => $transistor->getIDPart())), 200, array('Content-Type' => 'application/json; charset=utf-8'));
}