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  2. Flight control modes - Wikipedia

    en.wikipedia.org/wiki/Flight_control_modes

    In addition there are two flight control data computers (FCDC) that read information from the sensors, such as air data (airspeed, altitude). This is fed along with GPS data, into three redundant processing units known as air data inertial reference units (ADIRUs) that act both as an air data reference and inertial reference.

  3. KLUB (train control system) - Wikipedia

    en.wikipedia.org/wiki/KLUB_(train_control_system)

    In the newer ABTC-M block control the KLUB-U systems decode signals by TETRA digital radio including a remote initiation of a train stop. In those areas the train position is derived from a satellite navigation system (GPS or GLONASS). The ITARUS-ATC connects the KLUB-U in-cab system via GSM-R digital radio with the ERMTS Level 2 RBC block control.

  4. Aircraft flight control system - Wikipedia

    en.wikipedia.org/wiki/Aircraft_flight_control_system

    Cockpit controls and instrument panel of a Cessna 182D Skylane. Generally, the primary cockpit flight controls are arranged as follows: [2] A control yoke (also known as a control column), centre stick or side-stick (the latter two also colloquially known as a control or joystick), governs the aircraft's roll and pitch by moving the ailerons (or activating wing warping on some very early ...

  5. Positive train control - Wikipedia

    en.wikipedia.org/wiki/Positive_train_control

    A Metrolink locomotive decal on an MP36PH-3C saying it has positive train control. Positive train control (PTC) is a family of automatic train protection systems deployed in the United States. [1] Most of the United States' national rail network mileage has a form of PTC. These systems are generally designed to check that trains are moving ...

  6. Auxiliary Units - Wikipedia

    en.wikipedia.org/wiki/Auxiliary_Units

    Nonetheless, some units were deployed to the Isle of Wight prior to the D day landings in 1944 to help protect the Pluto fuel pipeline from being attacked by German commandos. It was then suggested that the Auxiliary Units should be fully administered by the Home Guard, but that was not enacted before the final stand-down in November 1944. [15]

  7. Get Started with Yahoo Plus Protect Home - AOL Help

    help.aol.com/articles/get-started-with-yahoo...

    The more devices you have, the more likely you’ll need some type of support; and our U.S.-based, tech expert team is on-call 24/7 to help you get the most out of your technology. If one of your eligible devices fails, needs to be repaired or even replaced, you're protected with Yahoo Plus Protect Home for AOL.

  8. Anti-lock braking system - Wikipedia

    en.wikipedia.org/wiki/Anti-lock_braking_system

    Modern electronic stability control (ESC) systems are an evolution of the ABS concept. Here, a minimum of two additional sensors are added to help the system work: these are a steering wheel angle sensor and a gyroscopic sensor. The theory of operation is simple: when the gyroscopic sensor detects that the direction taken by the car does not ...

  9. Automatic train control - Wikipedia

    en.wikipedia.org/wiki/Automatic_train_control

    Automatic train control (ATC) is a general class of train protection systems for railways that involves a speed control mechanism in response to external inputs. For example, a system could effect an emergency brake application if the driver does not react to a signal at danger.