Flight Control Surfaces
Components and functions
Autopilot is a system of automatic controls which
holds the aircraft on any selected magnetic
In this project our goal is to control the roll angle
of the aircraft in the auto pilot system..
Aircraft is controlled by three main surfaces:
TO ENABLE THE PILOT TO EXERCISE CONTROL
OVER THE AIRCRAFT DURING ALLL PORTIONS OF
The ailerons are one of threeThe ailerons are one of three
primary flight control surfacesprimary flight control surfaces
found on aircraft..found on aircraft..
AileronsAilerons are small hingedare small hinged
sections on the outboard portionsections on the outboard portion
of a wing.of a wing.
They are movable surfaces thatThey are movable surfaces that
control movement about thecontrol movement about the
longitudinal axis--calledlongitudinal axis--called roll.roll.
Ailerons can be used toAilerons can be used to
generate agenerate a rolling motionrolling motion for anfor an
On the trailing edge of the verticalOn the trailing edge of the vertical
stabilizer is thestabilizer is the RudderRudder..
This controls theThis controls the yawyaw or theor the
left/right sliding movements of theleft/right sliding movements of the
On a real aircraft, this is controlledOn a real aircraft, this is controlled
by the foot pedalsby the foot pedals
When the pilot pushes the leftWhen the pilot pushes the left
pedal, the rudder deflects left.pedal, the rudder deflects left.
Pushing the right pedal causes thePushing the right pedal causes the
rudder to deflect right.rudder to deflect right.
The elevator is on the tail ofThe elevator is on the tail of
the aircraft, moving the elevatorthe aircraft, moving the elevator
causes the nose of the aircraft tocauses the nose of the aircraft to
go up or down, allowing thego up or down, allowing the
aircraft to climb or descent..aircraft to climb or descent..
Elevators control the up/downElevators control the up/down
motion of aircraft that is called asmotion of aircraft that is called as
When the pilot pulls the stickWhen the pilot pulls the stick
backward, the elevators go up.backward, the elevators go up.
Pushing the stick forward causesPushing the stick forward causes
the elevators to go down.the elevators to go down.
The aircraft roll control provides the
components & functions including:
Actuator is the device that cause the process to
provide the output..
So,the Aileron Actuator is the device which cause
the movement of ailerons..
The ailerons are used to bank the aircraft; to
cause one wing tip to move up and the other
wing tip to move down..
Both the Ailerons always move in opposite to
Lowering the aileron on one wing raises the
aileron on the other..
The wing with the lowered aileron rises because
of its increase lift, and the wing with the raised
aileron moves downward because of its
Angle which is generated by the movement of
Ailerons is called as Roll Angle.
Roll is defined as a rotation about the
x-axis, or longitudinal axis, of a flying vehicle.
The GYROS (TO SENSE WHAT AIRPLANE IS
Directional Gyro(Heading Indicator) is used in an
aircraft to inform the pilot of his heading.
The Gyro works using a gyroscope, tied to the
Flight dynamics is the science of air and space
vehicle orientation and control in three
AirCraft Dynamics uses for determination of the
position and velocity of aircraft at some arbitrary
Auto pilot system reduce the work strain of pilot..
Auto pilot roll controlling reduces the fatigue of
controlling the aircraft in flight by the pilot.
• It is used in the auto missiles to control the roll
• It can be used in almost every aircraft for auto
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