Essays about: "EMAS"

Showing result 1 - 5 of 13 essays containing the word EMAS.

  1. 1. Evaluation of electric actuation for fighter aircraft

    University essay from Linköpings universitet/Fluida och mekatroniska system

    Author : Dennis Moliner Pettersson; Anton Nygårds; [2023]
    Keywords : EMA; actuator; actuation; MEA; aircraft; PMSM; SHA;

    Abstract : The tendency of recent years towards electrification of aircraft components and subsys-tems has opened the door for a wider usability of electro-mechanical actuators (EMAs) inthat context. EMAs are already in use in aircraft industries but mainly in civil aviation forsecondary control systems and non-critical applications. READ MORE

  2. 2. Requirements and Analysis of an Overload Protection Mechanism for an Electromechanical Linear Actuator

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Mats Vesterberg; [2022]
    Keywords : EMA; Electromechanical Actuator; Linear Actuator; Shock load; Protection mechanism; Elektromekaniska ställdon; Linjära ställdon; Shocklaster; Överlastskydd;

    Abstract : Cascade Drives specializes in high-performance electromechanical linear actuators (EMA). The company has developed a range of linear rack and pinion actuators based on a patented load distribution technique that allows multiple pinions to interact with a single gear rack. READ MORE

  3. 3. Environmental Reporting Practices in German EMAS- registered Organisations: In-depth Content Analysis

    University essay from Lunds universitet/Ekonomisk-historiska institutionen

    Author : Isabel Westarp; [2022]
    Keywords : EMAS; Environmental Reporting; German firms; Content Analysis; Indicators; Business and Economics;

    Abstract : Environmental standards are an important part of corporate sustainability efforts. According to signalling theory, they provide relevant information about a company’s efforts, while institutional theory assumes that firms use them to mitigate societal pressures by selectively disclosing information. READ MORE

  4. 4. Integrating Virtual Operations Support Teams (VOSTs) into domestic crisis and disaster management structures – An exploratory study of challenges and requirements for improvement

    University essay from Lunds universitet/Avdelningen för Riskhantering och Samhällssäkerhet

    Author : Melina Semke; [2021]
    Keywords : Social media; digital volunteers; trusted agents; certified volunteers; Germany; digitalisation; innovation in crisis and disaster management; Social Sciences;

    Abstract : Social media (SM) use in crisis and disaster management (CDM) is resource-intensive and can overwhelm emergency management authorities (EMAs). Digital voluntarism offers SM capacities for EMAs. A significant approach to reap benefits from digital voluntarism for domestic CDM is introducing Virtual Operations Support Teams (VOSTs). READ MORE

  5. 5. Analytical tool for electromechanical actuators for primary and secondary flight control systems : Optimization of the initial design of the EMA using parametric sizing models

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Albin Linderstam; [2019]
    Keywords : EMA; electromechanical actuators; three-phase synchronous permanent magnet motor; power-offbrake; two-stage planetary gear; ball screw; Saab Avionics Systems;

    Abstract : The number of flights have increased by 80% between 1990 and 2014, and the demand for air travel continues to increase. Even though the aviation sector contributes to economical and social benefits, it still affects the climate change [1]. READ MORE