Czasopismo | ELEKTRONIKA - KONSTRUKCJE, TECHNOLOGIE, ZASTOSOWANIA | Rocznik 2010 - zeszyt 11

Model of human palm controlled by glove with micromachined accelerometers

nr katalogowy: 56006

Human body is a model for imitation for scientists for many ages. It is so complex and complicated that only in a few areas machines have a similar functions and construction to human body. First mention about using prosthesis (artificial limb) appears to be in antiquity. They were invented for a special purpose which is replacing human arm or leg. Unfortunately many people have lost their arm or leg as a result of accidence or disease. Engineers decided to help these people. They created many inventions. In the beginning these prosthesis had only similar shape as the human hand, arm or palm. Other constructions were too heavy for real applications. And other were so complex and complicated that they were too expensive and out of ordinary people’s reach. The second field of technology connected with this research is the field of manipulators. In every century people were improving tools to make their work and life easier. Because of these new inventions people could work easier. They were replaced in many factories by manipulators. These machines are build as a model of human arm. Their task is to move heavy and dangerous things with high precision. The principle of operating The operation of this device could be divided into four main stages (Table 1). At first virtual glove measures the gravity acceleration. This measurement is implemented with the use of six micromachined accelerometers which are appropriately spaced on three fingers (thumb, forefinger and middle finger) and on the top of a palm. Virtual glove is shown in Fig. 2. Fig. 1. Demonstrating model of a human palm Rys. 1. Model demonstracyjny ludzkiej dłoni The object of this project was to build a model of human palm consisted of three fingers that could be used in many applications. It is shown in Fig. 1. The main goal wa[...]

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2010-11

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