Essays about: "piezo electric sensors"

Found 2 essays containing the words piezo electric sensors.

1. 1. Knock-Knock Door Lock : Unlocking your door with a secret knock sequence

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : FILIP ANDERSSON; DAVID BERGLING; [2020]
   Keywords : door lock; knock sensor; rhythm recognition; piezo sensor mounting; time difference of arrival; Arduino Uno; servo motor.; dörrlås; knacksensor; rytmigenkänning; piezo sensor montering; time difference of arrival; Arduino Uno; servomotor.;

   Abstract : The door lock - a key function in every modern home, as well as a product which is today undergoing drastic change. The digital revolution has not left the door lock untouched, and there is today a wide variety of digital door locks utilizing technologies ranging from touch displays to fingerprint readers. READ MORE

3. 2. Analysis of a force and moment measurement system for a transonic wind tunnel

   University essay from Blekinge Tekniska Högskola/Avdelningen för maskinteknik

   Author : Anbuman Dakshinamurthy; [2006]
   Keywords : Piezo electric sensors; Linear static analysis; Modal analysis; Bolt pretension; ANSYS; MSC Nastran Patran;

   Abstract : Low eigenfrequency force and moment measurement systems used for aero-elastic wind tunnel investigations of airplane wing models have been found prone to resonance at dynamic loading. A new suggested design characterized by having high eigenfrequencies and believed suitable for measurements in such experiments is analyzed in the present work. READ MORE