JOURNAL OF COMMUNICATIONS AND NETWORKS, VOL. JOURNAL OF COMMUNICATIONS AND NETWORKS, VOL. 13, NO. 2, APRIL 201113, NO. 2, APRIL 2011

Adviser: Dr. Hung-Chi YangAdviser: Dr. Hung-Chi YangPresenter:Rui-An ChangPresenter:Rui-An Chang

Date: 3.21.2012Date: 3.21.20121

OutlineOutlineIntroductionIntroduction

PurposePurpose

Methods & MaterialsMethods & Materials

Results Results

Future workFuture work

ReferencesReferences

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IntroductionIntroductionIn recent years, there has been a rise in

epidemiological evidence suggesting the health benefits of a physically active lifestyle.

Stabilizing exercise habits is a key for health enhancement, and the measurement and visu-alization of the benefit of the exercise encourages more people to start physical exercise.

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PurposePurposeWe aimed to develop measurement systems for

supporting the stabilization of exercise habits.

1. The system can measure users exercising outdoors.2.The system can measure multiple users simultaneously.3.The system can summarize the measurement data and generate a report immediately after the exercise.

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Methods & MaterialsMethods & Materials

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Methods & MaterialsMethods & MaterialsThe portable set consists of a smart phone and I-

moni, which is a motion-monitoring device that utilizes accelerometers and a barometer.

6Smart phone (left) and monitoring device “I-moni” (right).

Methods & MaterialsMethods & Materials

Architecture of the portable measurement device 7

Methods & MaterialsMethods & Materials

Relationship between walking speeds standardized with height and the signal energy of acceleration 8

Methods & MaterialsMethods & MaterialsThe basal metabolic rate (BMR) is the number of

calories burned in a day while lying down, which depends on one’s age or gender.

The relative metabolic rate (RMR)represents the ratio of energy expenditure that is required for the exercise and one’s basal metabolism.

（ BMR）基礎代謝率（ RMR）相對代謝率

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Methods & MaterialsMethods & Materials

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Methods & MaterialsMethods & MaterialsSubjects were instructed to move in the sequence

of ‘‘static standing, going down in an elevator, walking through level corridor, climbing up stairs, walking climbing down stairs walking, and going up in an elevator’’.

Typical waveform of vertical accelerations 11

Methods & MaterialsMethods & Materials

Air pressure differentials

As measured, and classification results of the ambulatory movements

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Methods & MaterialsMethods & MaterialsSubjects were instructed to walk along a course

three times in the sequence of ‘‘level walking, climbing down stairs, walking, climbing up stairs, and walking’’. Walking speed was changed every round in the order of ‘‘normal, slow, and fast’’.

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Methods & MaterialsMethods & Materials

14Display on a smart phone

Methods & MaterialsMethods & MaterialsDepicts the percentage of processing time in

Smart Phones. It perform statistical processing for displaying the current status of the exercise.

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Methods & MaterialsMethods & MaterialsHuman error with regard to Bluetooth pairing must

also be considered as an additional factor complicating device management.

To address these issues, we implemented the dynamic pairing shown in Fig. In this system, a user operates a smart phone in order to login to the server and download his/her personal data (e.g., sex, age, height, and weight) to the smart phone.

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Methods & MaterialsMethods & Materials

17Network topology for the experiment.

ResultsResults

18Photo of the participants who check their exercise

reports & A sample of exercise report.

ResultsResultsThis summarizes the measurement results of

Imoni and the existing product. As shown in fig, the measurement error of both devices for the average stride length is less than 10%, and both devices can precisely measure stride length. It should be noted that the error of Imoni was less than that of the existing product.

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Future worksFuture worksConsruction of body sensor network (BSN) for

connecting various types of sensors. This enriches measurement items such as skill level, degree of fatigue, cardiac rate, and blood pressure by introducing additional sensors and analysis algorithms.

Modifying the system for personal use regarding the use of 3G wireless links and simplification of the system equipment.

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ReferencesReferences[1] K. Hashimoto, M. Terabe, and R. Nagatomi, “Health promotion

by monitoring physical exercise effects using biofeedback—promising research regions of the advanced lCT technology,” in Proc. CSWS on Inf. Commun.Signal Process., Japan, Nov. 2008.

[2] Y. Ohtaki, M. Susumago, A. Suzuki, K. Sagawa, R. Nagatomi, and H. Inooka, “Automatic classification of ambulatory movements and evaluation of energy consumptions utilizing accelerometers and a barometer,” Microsystem Technol., vol. 11, no. 8, pp. 1034–1040, Aug. 2005.

[3] International Nordic Walking Federation (INWA). [4] Cluster brochure. (2009). Ministry of Education, Culture, Sports,

Science and Technology. [5] Sendai cluster for advanced preventive-based community health

—people involved in the health service industries.[6] Symbian OS: The open mobile operating system.

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ReferencesReferences[7] S60 Open to new features.[8] JSR-000118 Mobile Information Device Profile 2.0.[9] Creating a Java ME Math.pow() Method.[10] Japan Nordic Fitness Association. Japan.[12] M. C. Domingo, “A context-aware service architecture for the

integration of body sensor networks and social networks through the IP multimedia subsystem,

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Thank you for Thank you for attentionattention

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