Essays about: "gears"

Showing result 26 - 30 of 113 essays containing the word gears.

  1. 26. 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. 27. Development of a method for estimation of contact fatigue life in hypoid gears

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Srigiripura Sahana Vittal; [2020]
    Keywords : Hypoid Gear; Rolling Contact fatigue; Fatigue life; FEM; Gear Contact life; Spalling; physical testing; fatigue analysis; Hypoidväxel; rullande kontaktutmattning; utmattningslivslängd; FEM; växelkontaktlivslängd; spalling; fysisk testning; utmattningsanalys;

    Abstract : Hypoid gears have been used extensively in automobiles, aerospace, marine and other applications for decades. The special advantages of hypoid gears come with inherent contact complexities of varying curvature and sliding in both profile and lengthwise direction. READ MORE

  4. 28. Finite Element Modelling of Compact Gears Using Strain Measurements

    University essay from KTH/Maskinkonstruktion (Avd.)

    Author : Saujanya Shah; [2020]
    Keywords : Design of experiment for finite element analysis; grey-box modelling; scaling of stress; simulated and measured stress; Design av experiment för finita elementanalys; gråboxmodellering; skalning av spänning; simulerad och avmätt spänning;

    Abstract : Robot design and development has been the backbone of industrial automation and is in the forefront of accelerated development across all areas. Robot designers have been using simulations for reducing product development lead times. READ MORE

  5. 29. Analysis of Potential Determinants of Cycle Commuting Speed : With Special Reference to Gears, Showers, and Ratings of Perceived Exertion

    University essay from Gymnastik- och idrottshögskolan, GIH/Institutionen för idrotts- och hälsovetenskap

    Author : Erik Cunelius; [2020]
    Keywords : cycle commuting; cycling; speed; velocity; gears; showers; RPE; ratings of perceived exertion; Borg RPE Scale; duration; sex; PACS Q1; cykelpendling; cykling; hastighet; växlar; dusch; RPE; egenupplevd fysisk ansträngningsgrad; Borgskalan; duration; kön;

    Abstract : Aim: The aim of this study is to analyse potential determinants of cycle commuting speed, with the following research questions: 1. How does cycle commuting speed relate to amount of gears, access to shower facilities, and rating of perceived exertion (RPE), when sex, age, weight, body mass index (BMI), duration, last digit in self-reported duration, and cycling area are controlled for? 2. READ MORE

  6. 30. Analytical Investigation of Planetary Gears Instabilities and the Impact of Micro-Macro Geometry Modifications

    University essay from KTH/Farkostteknik och Solidmekanik

    Author : Hamza Oudich; [2020]
    Keywords : Planetary gears; Instabilities; Resonance; Vibration; dynamic response; Spectral Iterative Method; Modal analysis; Static and dynamic transmission error; Gear mesh stiffness; Macro and micro-geometry; Phasing;

    Abstract : Due to their large torque-speed ratio and transmission efficiency, planetary gears are widely used in the automotive industry. However, high amplitude vibrations remain their critical weakness, which limits their usage especially when new strict noise legislations come into action. READ MORE