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Leg prothesis
Bulva, Ondřej ; Harabiš, Vratislav (referee) ; Balogh, Jaroslav (advisor)
This thesis deals with the current state of development of active lower limb prostheses and focuses mainly on own design of active prostheses. The introduction deals with the anatomy of lower limb and briefly describes the walk cycle. In other chapters are summarized amputation techniques in the lower limb, followed by a description of the allocation of prostheses according to the level of amputation, which were described in earlier chapters. The thesis also deals with the division of prostheses according to the patient's activity level and briefly describes the structural differences in these individual cases. Chapter describing the actual development in the field of active prostheses initiates part dealing with the detailed description of the part of the prosthesis. The following chapters deal with the design and implementation of a prototype of active transfemoral prosthesis. The penultimate chapter deals with the software description of all parts of the prosthesis. This chapter is followed by an evaluation of the achieved results.
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Active noise cancellation
Bulva, Ondřej ; Sekora, Jiří (referee) ; Balogh, Jaroslav (advisor)
This project deals with problems of active noise cancellation. The first part focuses on the understanding of the anatomy and physiology of the human hearing. Furthermore, the understanding of the basic principles of acoustics, distribution of sound, and his generating. The important part is introduction to the issue of noise in the environment. The second part is dedicated to device design. The aim of this work was to design and construct device for active noise cancellation. Designed and assembled were two versions of the device for active noise cancellation. The problems associated with achieving the perfect noise cancellation is analyzed at the end of the work in detail together with the results of active noise canceling each version of the device.
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Leg prothesis
Bulva, Ondřej ; Harabiš, Vratislav (referee) ; Balogh, Jaroslav (advisor)
This thesis deals with the current state of development of active lower limb prostheses and focuses mainly on own design of active prostheses. The introduction deals with the anatomy of lower limb and briefly describes the walk cycle. In other chapters are summarized amputation techniques in the lower limb, followed by a description of the allocation of prostheses according to the level of amputation, which were described in earlier chapters. The thesis also deals with the division of prostheses according to the patient's activity level and briefly describes the structural differences in these individual cases. Chapter describing the actual development in the field of active prostheses initiates part dealing with the detailed description of the part of the prosthesis. The following chapters deal with the design and implementation of a prototype of active transfemoral prosthesis. The penultimate chapter deals with the software description of all parts of the prosthesis. This chapter is followed by an evaluation of the achieved results.
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Active noise cancellation
Bulva, Ondřej ; Sekora, Jiří (referee) ; Balogh, Jaroslav (advisor)
This project deals with problems of active noise cancellation. The first part focuses on the understanding of the anatomy and physiology of the human hearing. Furthermore, the understanding of the basic principles of acoustics, distribution of sound, and his generating. The important part is introduction to the issue of noise in the environment. The second part is dedicated to device design. The aim of this work was to design and construct device for active noise cancellation. Designed and assembled were two versions of the device for active noise cancellation. The problems associated with achieving the perfect noise cancellation is analyzed at the end of the work in detail together with the results of active noise canceling each version of the device.
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