// To include a modul position in your component view and to load modules there, you just have to add
echo JHtml::_('content.prepare', '{loadposition yourmodulposition}');
// to the view
/* The second string with the load position short tag can be replaced with a var which contains more html if you need that. You don't have to write that line for every new modul position*/
$outputModules = '<strong>Some Html</strong>'
'{loadposition yourmodulposition1}'
.'{loadposition yourmodulposition2}';
echo JHtml::_('content.prepare', $outputModules);