Adaptive Control of Foot Orthosis

Detta är en Magister-uppsats från Högskolan i Halmstad/Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE); Högskolan i Halmstad/Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE); Högskolan i Halmstad/Sektionen för Informationsvetenskap, Data– och Elektrote

Författare: Ali Manzoor; Hesham Elkhbai; Ziad Kkwaneen; [2007]

Nyckelord: orthosis; electrical;

Sammanfattning:

Major problems of the Foot Drop treatment are expensive and complex solutions. This work

presents the performance of a new inexpensive method named as Semi-Active Ankle Foot

Orthosis (SAAFO). The concept of this approach is to use inexpensive sensors to detect foot step

movement. The signals from the sensors afterwards will be fed to a control system of SAAFO in

runtime for a smooth foot movement of a drop foot patient while walking. Different sensors have

been studied in detail along with comparison to the proposed sensor system and mechanical

design. The signals from the sensors are used to detect different phases of human walking. These

sensors are placed at different positions on an orthosis and their signals are studied in detail.

Experiments have been done in different conditions to get a realistic picture either this assembly

can be implemented commercially. Signals are plotted and discussed yielding that the human

walking phases can be easily and accurately detected using inexpensive sensor assembly.

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