Daniel P. Siewiorek and Asim Smailagic
Carnegie Mellon University
Introduction to Wearable Computing
Evolution of Wearable Computers
User-Centered Interdisciplinary Concurrent System Design Methodology
Stage 0 System Build
Stage 1 System Build
Stage 2 System Build
Stage 3 System Build
Stage 4 System Build
Web-Based Design Methodology
Taxonomy of Wearable Computers
Stand-Alone Computer: VuMan 3
One-to-One Help Desk: C-130
Group Collaboration: MoCCA
Conflicting Design Requirements
Architecture
User Evaluation
VuMan 3
C-130
MoCCA
Person Effort
Future Research
Conclusions
Acknowledgments
References
Figure 32.1: Family tree of CMU wearable computers. CMU = Carnegie Mellon University. IDA = Industrial Design Association.
Figure 32.2: Performance thresholds necessary for each of the user interface types. MIPs = millions of instructions per second.
Figure 32.3: Kiviat graph representation of wearable computer use modalities. 3D = three-dimensional.
Figure 32.4: Four-month design cycle.
Figure 32.5: Concurrent design activities and system builds. SLA = stereolithography assembly; PCB = Printed Circuit Board; UI = user in- terface; PCMCIA = ?.
Figure 32.6: Different forms for the input dial for VuMan 3.
Figure 32.7: Main processor board design for VuMan 3.
Figure 32.8: Final implementation of VuMan 3 wearable computer.
Figure 32.9: LTI information screens: (a) selecting an inspection region and (b) item requiring filling in the status box. LTI = limited technical inspection.
Figure 32.10: User interface screen for C-130 troubleshooting.
Figure 32.11: C-130 trainee with a head-mounted display and camera.
Figure 32.12: C-130 wearable computer.
Figure 32.13: MoCCA system architecture. MoCCA = mobile communication and computing architecture; CDPD = cellular digital packaged data; FSE = field service engineer.
Figure 32.14: MoCCA data architecture. MoCCA = mobile communication and computing architecture; Bboard = bulletin board; FSE = field service engineer; CDPD = cellular digital packaged data.
Figure 32.15: Summary of the integrated user interface software. FSE = field service engineer; BBoard = bulletin board.
Figure 32.16: Sample screen images for Field Service Engineer (FSE) information and call list. Bboard = bulletin board.
Figure 32.17: MoCCA software architecture. MoCCA = mobile communication and computing architecture; OTS = off-the-shelf; DBM = database manager.
Figure 32.18: MoCCA base and satellite unit block diagram. MoCCA = mobile communication and computing architecture; CDPD = cellular digital packaged data; RF = radio frequency; IDE = integrated drive electronics; LCD = liquid crystal display; EIDE = enhanced integrated drive electronics; PCMCIA = ?.
Figure 32.19: Saving factors from usage of VuMan 3.
Figure 32.20: MoCCA performance experiments. MoCCA = Mobile Communication and Computing Architecture.