Essays about: "fan reliability"

Showing result 1 - 5 of 6 essays containing the words fan reliability.

  1. 1. Sensorless algorithm for synchronous machines using current oversampling and PWM harmonics

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Giorgio Gullone; [2018]
    Keywords : ;

    Abstract : Sensorless-controlled drives represent a solution drawing an increasinglyimportant attention for the benefits they entail. At the cost ofa slightly lower dynamics compared with the traditional drives, theyinvolve a reduction of the system costs and complexity and improvednoise immunity and reliability. READ MORE

  3. 2. Dissociation of noise sources foraeronautical fans

    University essay from KTH/MWL Marcus Wallenberg Laboratoriet

    Author : Guillaume Renaud; [2017]
    Keywords : ;

    Abstract : To ensure health and hearing comfort, acoustics becomes more and more essential in the design of fans. 3D numerical calculations (mechanical, aerodynamic and magnetic) are used to ensure the compliance of fans before production test prototypes. READ MORE

  4. 3. Kinematic analysis of traumatic brain injuries in boxing using finite element simulations

    University essay from KTH/Medicinsk teknik

    Author : Xuelong Fan; [2016]
    Keywords : Finite element simulation; kinematic analysis; human arm modeling; boxing;

    Abstract : The purpose of the thesis was to analyze and evaluate the head injuries due to a striking in a boxing match by LS-DYNA. A simplified arm model was built up and was equipped with three segments which were linked with two spherical joints. READ MORE

  5. 4. Automated Greenhouse : Temperature and soil moisture control

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Daniela Attalla; Jennifer Tannfelt Wu; [2015]
    Keywords : ;

    Abstract : In this thesis an automated greenhouse was built with the purpose of investigating the watering system’s reliability and if a desired range of temperatures can be maintained. The microcontroller used to create the automated greenhouse was an Arduino UNO. This project utilizes two different sensors, a soil moisture sensor and a temperature sensor. READ MORE

  6. 5. Improving Equipment Reliability in Non-operating State with an Integrated Prognostics Method : A Case Study of HLD-9C

    University essay from Akademin för teknik och miljö

    Author : Xingying Fan; Jia Wang; [2013]
    Keywords : equipment reliability; non-operating state; integrated prognostics method;

    Abstract : It is known that the equipment performance and reliability are decreasing as the storage time increases due to many factors such as humility, temperature, shocks, vibration, radiation and corrosion. To specify these factors and characterize their impacts are therefore important in storage reliability design and maintenance strategy development. READ MORE