Figures & data
Figure 1. Residuum desulfurization (RDS) reactors and the platform.
Figure 2. Top and side views of the restricted zone.
Note: RDS = residuum desulfurization.
Figure 3. Radio frequency-enabled wristband and worn.
Figure 4. The ball bearing and vibration sensing circuits of radio frequency signal transmitter.
Figure 5. The cone-shaped directional antenna and its place in an residuum desulfurization (RDS) reactor.
Figure 6. Cone-shaped directional antenna set-up in the restricted area.
Table 1. Criteria asserting alarm events.
Figure 7. Real-time updated Web page.
Figure 8. System architecture (showing 4 residuum desulfurization (RDS) reactors example)
Table 2. Possibilities for a ‘non-moving’ event.
Figure 9. Counts for ‘non-moving’ events.
