4. HF Engineering
Human Factors Engineering (HFE) is the discipline of
applying what is known about human capabilities &
limitations to the design of products, processes, systems,
and work environments.
It is distinctive in being the only discipline that relates
humans to technology.
HFE objectives are to improve EOU, safety and productivity
8. Usability
Usability is the extent to which a product can be used by
specified users to achieve specified goals with effectiveness,
efficiency, and satisfaction in a specified context of use.
Usability is a qualitative attribute that assesses how easy user
interfaces are to use.
17. • Users (patients & therapists) need research
• Solution definition
• Medical cases research
• App definition, design and development
Sensor
Set up
(Password protected)
Each line can be expanded by
clicking “+” to expose more data
(detailed in next slide)
1. Sensor data update.
2. Data shall be updated by a
technician
3. Requires password to protect
unintended changes
4. Relevant data is always presented
Sensor name – as given by
technician
1. Sensor real time status.
2. Options:
- Connected (green) – sensor
connected and moving
- Sandby (orange) – sensor
connected and not moving
- Blank – sensor not
connected
1. Real time battery status as
reported by Gemsense application
2. Icon color:
- >15% - green
- <15% - red
1. Sensor location presented on a
crutches schem
2. The crutches schem is a static
figure
3. Labels location are static. One at
the bottom and one near the
handle
4. The names will be presented
according to the actual location of
the physical sensors
RL
UX Design
22. The effect of HFE on a PRODUCT
• Ease of use
• Safe working environment
• Error prevention
• Shortening training time
• Reduction of service costs
• Satisfied users
23. “ If the user can’t use it, it doesn’t work”
Susan Dray
Dray & Associates, Inc
24. Good design is
all about people
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