Enamik venitustajureid on kolme tüüpi: esimene tüüp koosneb elektrijuhist, mille elektriline takistus muutub tajuri deformeerumisel oluliselt, teine tüüp koosneb kondensaatorist, mille mahtuvus muutub deformatsiooni korral ja kolmandat tüüpi tajur kasutab suure jõudlusega piesoelektrilisi süsteeme, kasutades piesoelektriliste materjalide võimet mehaaniliste ja elektriliste energiavormide omavaheliseks teisendamiseks.
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Venitustajur on tavaliselt valmistatud materjalist, mis on ise pehme ja veniv.
Most stretch sensors fall into one of three categories: the first type consists of an electrical conductor for which the electrical resistance changes substantially when the sensor is deformed, the second type consists of a capacitor for which the capacitance changes under deformation, and the third type of sensor uses high performance piezoelectric systems in soft, flexible/stretchable formats for measuring signals using the capability of piezoelectric materials to interconvert mechanical and electrical forms of energy.
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They are usually made from a material that is itself soft and stretchable.
