updated exceptiong handling

Signed-off-by: parhamfh <parhamfh@kth.se>
cleanup

Signed-off-by: parhamfh <parhamfh@kth.se>
Fixed the HealthModel

The HealthModel works now and provides the correct result. RhythmModel is not working yet!

Signed-off-by: parhamfh <parhamfh@kth.se>