HPE Logger app for iPhone and iPad

The Health & Physical Education Logger (HPE Logger) makes it convenient to acquire motion sensor signals for data analysis in your exercise and sport research/study.

The HPE Logger aims at facilitating data acquisition of sports science with the portability & convenience of smartphone form factor.

For example, the acceleration data allows you to analyse the performance of your running & jumping exercises. The rotation rate & attitude data allow you to evaluate the performance of activities like sit-up, sit-and-reach, etc.


The HPE Logger logs the following motion and activity data:
- Acceleration (X, Y, Z); Unit: g
- Rotation Rate (RX, RY, RZ); Unit: rad/s
- Attitude (Roll, Pitch, Yaw); Unit: radian
- GPS (longitude, latitude, altitude)
- Steps count (cumulative)

Added Features:
- Variable sampling freq. (1-30Hz) for different purposes
- Pre-filtered (moving average) data for quick data analysis purpose
- Also logs unfiltered data for validation
- Real time data sample display (at 1/4 second interval)
- “Slide to start/stop” operation to prevent unintentional trigger during application

Convenient Log File Access & Management:
- The latest log file can be sent instantly via email
- All log files can be accessed and managed via iTunes “File Sharing” function (Connect your iOS device to iTunes -> Select your device within iTunes -> Select “Apps” -> Select “HPE Logger” under “File Sharing”)


Remarks
^ Continued use of GPS can dramatically decrease battery life.
- New option to mark & specify motion logging types: General Purpose/Left/Right Arm/ Left/Right Leg