II. EXPERIMENTS
Figure 1 shows the proto-type of the KRISS BP simulator.
The simulator consisted of a stepping motor, a lever 2. Control software ((a)) and the schematic set-up for the signal
generated approach ((b))
assembly, a bellows and a pressure transducer. To set the
initial position, a photo interrupter was used. The pressure is
generated from a BP device under test and the adequate
pressure oscillation was generated by the lever assembly from
the rotational motion of the stepping motor. At this time, the
KRISS simulator generates artificial biosignals that is very
similar to human subjects. The pressure oscillations are fed
directly into the pneumatic system of the blood pressure
monitor being tested via a T piece connector.