Defense - Doosan Corporation Mottrol

Excellence in Motion & Control
Defense
Applications & Solutions
Head office
14 Fl. Doosan Tower, 18-12 Euljiro-6ga, Jung-gu, Seoul, Korea (zip 100-730)
Tel. +82-2-3398-3831 Fax. +82-2-3398-3838
Changwon Factory
36, 184Beon-gil, Yeondeok-ro, Seongsan-gu, Changwon-si, Gyeongnam, 642-050, Korea
Tel. +82-55-269-5300 Fax. +82-55-269-5224
Doosan Corporation Mottrol / Defense Systems
Excellence in Motion & Control
Doosan Corporation Mottrol has contributed to national defense through developing
and supplying hydraulic systems and electro-hydraulic systems to the army, navy
and air force.
CONTENTS
•
The brief History of Defense Systems
• Mobility & Fire
03
06
- Main Battle Tank(MBT), Armoured Recovery Vehicle(ARV),
Armoured Vehicle-Launched Bridge(AVLB)
- Self-Propelled Howitzer(SPH)
- Infantry Fighting Vehicle(IFV)
• Defense Weapon
20
- Hydraulic Drive System for KM-SAM Launcher
- Hydraulic Drive System for Multiple Launch Rocket System(MLRS)
- Hydraulic Drive System and Controller for KM-SAM Multi-Function Radar(MFR)
• Navy Weapon
24
- Stabilization System for Terminal Antenna Pedestal
- Hydraulic Winch System for Sonar System(TASS/TACM/ULTASS)
- Electro-Mechanical Servo System for Short Range Tracking Radar
• Aerospace Weapon
28
- Hydraulic Main Pump(HMP) for Korean Utility Helicopter(KUH)
• Future Weapon
30
- Rotatable Suspension Arms for Robot Vehicle
- Electric Direct Drive System for Gun/Turret Drive System
R&D Overview
32
The Brief History of
Defense Systems Division
Established in 1974, Doosan Corporation Mottrol advanced into the unexplored hydraulic industry first
time in Korea. We have built the foundation for full line-up hydraulic components by overcoming many
difficulties. Since 1989, we have produced hydraulic parts for construction equipment and grown up as
hydraulic specialist. Now. based on the accumulated hydraulic technology. we supply high-quality
hydraulic component reflected electric-electro technology. In 2011, we exceeded millionth hydraulic
unit production first time in Korea. Doosan Corporation Mottrol will step forward to global comprehensive hydraulic supplier by keeping the basic and challenge to Creative R&D and Quality Innovation.
1974~
1974 Foundation
1976 Started to produce hydraulic products for industrial use and hydraulic press
1977 Established Changwon plant Designated as defense contractor
1989 Started to produce track devices for excavators
1990~
1990 Started to produce hydraulic pumps and swing motors for excavators
1992 Started to produce hydraulic pumps for aircraft
1999 Received "Outstanding company in R&D" (The Minister of Defense)
2000~
2001 Received “Outstanding Technology development award” (Hydraulic industrial institute, Japan)
2005 Received award in Precision Technology promotion competition
(Ministry of commerce award, Precision bent-axis type Hydraulic motors, electro-hydraulic servo device)
2007 Track device for excavators was designated as "World best product" from Korean government (Ministry of commerce)
2010~
2010 Received “New quality global system excellence award”
2011 Exceeded millionth hydraulic unit production
2012 Established China factoty at Jiangyin, Jiangsu : Doosan Mottrol Jiangyin Co., Ltd.
04
05
Doosan Corporation Mottrol has developed and supplied hydraulic systems and
components for Mobility & Fire
• GTDSS and EM-GTDSS for MBT
• Hydraulic Drive System for AVLB
• Hydraulic Winch System for ARV
• GTDS and Suspension System for SPH
• In-arm Suspension Unit for IFV
06
Mobility & Fire
07
Main Battle Tank(MBT)
Armoured Recovery Vehicle(ARV)
Armoured Vehicle-Launched Bridge(AVLB)
Gun/Turret Drive and Stabilization System(GTDSS)
for K1/K1A1 Main Battle Tank(MBT)
GTDSS for K1/K1A1 MBT measures and compensates yawing and pitching which
occur on uneven and curved roads for gun turret to be capable of the precise fire
while running.
Production
・K1 : 1992 ~ 1997
・K1A1 : 1999 ~
Key Features
・Electro-hydraulic servo system
・Feed back control by servo valve and velocity sensor
・Noise/vibration minimization
・Hydraulic control technology for heavy load system
Customer
・Korea Army
1
3
8
2
4
7
K1/K1A1 Tank Gun/Turret Drive K2 Electric Gun Barrel/
Stabilization System(GTDSS)
Turret Drive System
Hydraulic System for AVLB
Hydraulic System for Armoured
Recovery Vehicle(ARV)
K1/K1A1 and K2 are up-to-date Main Battle Tank that have outstanding fire powers,
superior mobility and high accuracy rate.
08
6
1 Elevation Servo System
5 Traverse Drive System
- Controls hydraulic fluid flow according to the
signal from the electronic unit to control the
speed of the elevation drive system.
- Rotates turret by converting hydraulic power
to mechanical force.
2 Elevation Drive System
6 Feed-Forward Gyro
- Converts hydraulic power into mechanical
linear motion to move gun up and down.
- Detects and converts the angular speed
of turret and chassis into electric signals and
sends them to the electronic unit.
3 Reference Gyro
7 Electronic Unit for Gun and Turret Drive
- Detects and converts the angular speed of
gun and turret into electric signals and sends
them to the electronic unit
- Supply power to the components of gun and
turret drive stabilization system, and process
sensor feedback signals and commands.
4 Traverse Servo System
8 Steering Handle for Artillery Man
- Controls hydraulic oil flow according to the
signal from the electronic unit to control the
speed of traverse system.
- Converts the angle change caused by steering
handle operation to electric signals and sends
the signals to the electronic unit.
5
09
Electro-Mechanical Gun/Turret Drive System
(EM-GTDS)
for K2 Main Battle Tank(MBT)
This system steps up the 28VDC power supply to 260VDC to drive gun and turret by precise
control of elevation/traverse servo amplifiers. Doosan Corporation Mottrol has realized highly
efficient and precise current control, minimized the noise and vibration of the drive system and
improved the stability of gun and turret.
Production
・2013 ~
Key Features
・Precise gear design with high rigidity and minimum backlash
・Noise/vibration minimization
・High efficiency Power transformation
・Motion control technology for heavy load system
Customer
・Korea Army
2
1
4
3
5
6
7
8
1 Elevation/Traverse Servo
Amplifier
- Drives elevation/traverse device with
the current input from drive/power
controller.
2 Traverse Drive System
- Rotates turret at the torque and speed
provided from electric motor and reducer
using the electric energy according to the
control of the commander/artillery man’s
handle operation.
10
3 Elevation Drive System
5 Gunner’s Control Handle
- Drives gun up/down at the torque and
speed provided from electric motor and
reducer using the electric energy
according to the control of the commander
/artillery man’s handle operation.
- Converts mechanical displacement of
handle into electric signal to control the
speed and direction of turret.
4 Commander’s Control
Handle
6 DC-DC Converter
- Converts mechanical displacement of
handle into electric signal to control the
speed and direction of turret.
- Steps up 28VDC of battery to 260VDC and
supply it to elevation/swing power
amplifier.
7 Servo Valve for ISU
(In-arm Suspension Unit)
- Converts electrical command to inlet and
outlet flow rate of damper and ISU.
8 Servo Valve for DTTS
Dynamic Track Tension System)
- Converts electrical command to inlet and
outlet flow rate of Tension Control Cylinder
and Dynamic Track Tension System.
11
Hydraulic Drive System
Hydraulic Winch System
for K1 Armoured Vehicle-Launched Bridge
(AVLB)
for K1 Armoured Recovery Vehicle(ARV)
This system provides hydraulic power to armoured Vehicle launched
bridge and facilitates rapid installation and withdrawal of bridge.
This system provides hydraulic power to armoured vehicle launched bridge
which provides way to tanks or other vehicles by rapid installation and
withdrawal of bridges.
Production
・1996 ~ 2009
Production
・2006 ~
Key Features
・Load sensing hydraulic system
・Integrated reservoir with valves
・Constant horse power operation
・Counterbalance valve block for preventing overload
Key Features
・Capstan type winch
・Load sensing hydraulic system
・Constant pulling force : 350 kN
Customer
- Korea Army
Customer
・Korea Army
4
1
7
2
12
3
5
6
4
1 Hydraulic Cylinder(1, 2, 3 steps)
5 Oil Reservoir
- A hydraulic reciprocating cylinder which
converts hydraulic power into mechanical
linear force to provide power for scissoring
motion of bridge decks.
- Stores and distributes hydraulic oil for cylinder
control and chassis.
2 Pressure Reducing Valve
(2, 3 steps)
6 Main Hydraulic Pump
1 Main Winch
4 Lifting Winch
- Reduces impact applied to structure for safe
retraction of bridge decks.
- Provides hydraulic pressure and flow rate
required for the vehicle’s hydraulic
system.
- A capstan type winch, whose 2 drums rotate
simultaneously by hydraulic motor to wind the
cable wound on the drive drum.
- A drum type winch mounted on the recovery
crane, whose drum is driven by hydraulic motor
to wind or unwind lifting winch cable.
3 Auxiliary Hydraulic Pump
7 Counter Balance Valve
2 Hydraulic Pump
5 Storage Drum
- Used for refill or draining of hydraulic oil, or for
emergency drive for bridge installation
or retraction.
- Protects structure from damage by external
load and prevents cylinder from free fall.
- Provides the hydraulic power used in the
hydraulic system of the ARV.
- Stores main winch cable.
4 Sequence Valve(2, 3 steps)
3 Auxiliary Winch
6 Pulley Block
- Operates 2, 3 steps pressure reducing valve
for sequential retraction of cylinder.
- A drum type winch whose drum is driven by
hydraulic motor to wind or unwind auxiliary
winch cable.
- Guides the winch cable. When pulling with the
main winch cable, allow deviation in left/right
and up/down, and rotation by 360 degrees.
3
2
5
6
1
13
Self-Propelled Howitzer(SPH)
Hydraulic Drive System and Suspension System
for K55A1 Self-Propelled Howitzer(SPH)
The hydraulic drive system for gun provides hydraulic power to elevation/balancing system
of gun, turret traverse system and automatic loading system. Also, the hydro-pneumatic
suspension system improves the travel performance and comfort.
Production
・K55 : 1986 ~1996
・K55A1 : 2010 ~
Key Features
・Flick Ramming System
・Energy saving through discontinuous drive
Customer
・Korea Army
1
8
9
10
3
2
6
7
4
5
Hydraulic Drive and Suspension Hydraulic Drive and Suspension
System for K55 PIP Self-Propelled System for K9 (155mm Self
Howitzer
Propelled Howitzer)
Self-Propelled Howitzers support infantry and armoured units with fire power. They are equipped
with superior maneuverability, survivability, and auto-fire direction abilities for modern wars,
Doosan Corporation Mottrol has been producing the hydraulic and suspension systems for the
K9 and K55A1.
14
1 Elevation Balancing Cylinder
6 Hydraulic Power Pack
- Drives gun up/down with the hydraulic power
from gun control system and protects the gun
by absorbing the firing shock.
- Converts the electric power from power supply
system to hydraulic power(pressure/flow rate) to
supply to elevation, traverse and loading systems.
2 Elevation Limit Valve
7 Ramming Valve Block
- High angle is limited to prevent loading device
collision with the floor.
- This block is activated by loading device switch
to move the push rod assembly of the loading
device assembly forward/backward.
3 Ramming Driver
8 Manual Elevation Pump
- Piston rod pushes or pulls push-rod assembly
for automatic loading.
- Raises or lowers gun manually in case of main
power line failure.
4 Swivel Valve Block
9 Balancer Pressure Accumulator
- This block controls hydraulic oil flow direction
to raise or lower loading device assembly.
- Compensates the unbalanced moment caused
by the high angle of gun using compressed N2
gas.
5 Strut Suspension
10 Main Pressure Accumulator
- This telescopic hydro-pneumatic suspension
system minimizes the shock and vibration from
the ground, using the attenuation characteristics
of damper and the nonlinear spring characteristics
of N2 gas. This system improves field travelling performance, ride comfort,
and enables continuous and accurate.
- The electric power from power supply is
converted into hydraulic power.
The accumulator stores hydraulic oil from the
hydraulic pump of the power pack to shorten
the starting up time and prevent pressure pulsation.
15
Gun/Turret Drive System(GTDS) and Suspension System
for K9 Self-Propelled Howitzer(SPH)
GTDS for K9 SPH drives gun up and down, rotates turret by hydraulic power.
Production
・1999 ~
Key Features
・Flick Ramming System
・Compactly integrated MPR(DC motor, hydraulic pump and reservoir)
・Hydro-Pneumatic Suspension
Customer
・Korea Army
・Turkish Army (Exported to Turkey)
11
10
9
7
1
8
2
3
5
4
6
12
1 Traverse Gear Box
4 Hydraulic System Control Panel
7 Swivel Valve Block
10 Ramming Valve Block
- Converts hydraulic power into mechanical
rotational motion to traverse turret.
- Supplies power to the hydraulic system
components of turret, and drive electric motor
and pump to generate the hydraulic power
for turret driving.
- This block elevates the loading device
assembly.
- This block is activated by loading device switch
to move the push rod assembly of the loading
device assembly forward/backward.
2 Motor Pump Oil Reservoir
Assembly
5 Elevation Manual Pump
8 Balancer Manifold Assembly
11 Ramming Driver
- Raises or lowers gun manually in case of the
main line failure.
- Uses if balancer pressure is excessive, or
need to be released for service or
maintenance work.
- Piston rod reciprocates by ramming valve to
move push-rod assembly forward/backward.
3 Filter Manifold Assembly
6 Cooling Device Assembly
9 Elevation Balancer Cylinder
12 Hydro-Pneumatic Suspension
- Removes impurities from the hydraulic oil in
supply and return lines. A pressure switch
triggers alarms when clogged.
- Keeps steady state of hydraulic fluid
temperature by blasting external air into turret
system.
- Drive gun up/down with the hydraulic oil fed
from the elevation valve assembly, and
supports self weight of the gun.
- This hydro-pneumatic suspension system of K9
Self-Propelled Gun minimizes the shock and
vibration from the ground, using the attenuation
characteristics of damper and the nonlinear
spring characteristics of N2 gas. This system
improves field travelling performance, ride
comfort, and enables continuous and accurate firing.
- Controls hydraulic fluid flow according to the
signal from the electronic unit to control the
speed of the elevation drive system.
16
17
Infantry Fighting Vehicle(IFV)
In-arm Suspension Unit
for K21 Infantry Fighting Vehicle(IFV)
In-arm Suspension Unit(ISU) for K21 armoured vehicle developed by Doosan
Corporation Mottrol has been applied in armoured vehicles for the first time in
the world, and its performance has been proven in the field test.
Production
・K21 : 2009 ~
Key Features
In-arm design configuration, integrating the hydraulic and the pneumatic suspension
within the housing, is the most effective means to package such a high performance
system with minimal space claim and weight.
・Static load per wheel : 2.5 to 3.0 ton
・Wheel travel : up to 480 mm
・Weight : 120 kgf
Customer
・Arm length : 400 mm
・Max. pressure : 800 bar
・Korea Army
1
1 In-arm Suspension Unit
Infantry fighting vehicles which transport soldiers require high maneuverability
and operability. Doosan Corporation Mottrol has been producing the hydraulic
and suspension systems which enable infantry fighting vehicles to travel on
field and water.
- The In-arm Suspension Unit minimizes the shock and vibration from the ground, using
the attenuation characteristics of damper and the nonlinear spring characteristics of
N2 gas.
This system improves field travelling performance, ride comfort, and maneuverability
of armoured vehicles.
In-arm Suspension Unit for K21
18
19
Defense Weapon
Hydraulic Drive System
for KM-SAM Launcher
Hydraulic Drive System and Controller for KM-SAM Launcher is capable of
combining and separating vehicle from launcher, supporting
launcher, driving launcher up/down and controlling attitude.
Production
・2012 ~
Key Features
・Low power consumption of below 9 kW
・Mechanical auto self-locking type Jack cylinder
・Operating temp : -32 ~ 50 °C
・Max operating slope : 5 °
Customer
・Korea Army
1
6
5
3
7
2
4
1 Elevation Driver
5 Lock Cylinder
- Being connected with the lower and upper
frames, the driver extends to move the
projectile to the position.
- Locks high angle driver and outrigger during
travel.
2 Elevation Drive Distributor
6 Extension Cylinder
- Controls the pressure and low fed to,
returned from elevation driver according to
the control signal of the launching ramp.
- Extends front outrigger and rear rotating
beam to allow vehicle separation.
3 Jack Cylinder
7 Extension Drive Distributor
- Extends jack to fix, support the launching
ramp and lifts ramp up for separation,
combination with vehicle.
- Controls the pressure and low fed to, returned
from extension cylinder according to the
control signal of the launching ramp.
4 Main Pump
Doosan Corporation Mottrol has been developing hydraulic systems for defense weapons such
as KM-SAM Multi-Function Radar and KM-SAM Launcher that will be the core equipment in
future wars.
20
- Comprised of the hydraulic pressure
generator with electric motor and hydraulic
oil reservoir.
21
Hydraulic Drive System
Hydraulic Drive System and Controller
Hydraulic Drive System for MLRS drives the pod up/down and turns it to the
right and left.
Hydraulic Drive System and Controller for KM-SAM MFR is capable of combining and
separating vehicle from radar, supporting radar, driving radar up/down and controlling
attitude.
for Multiple Launch Rocket System(MLRS)
for KM-SAM Multi-Function Radar(MFR)
Production
・2012 ~
Production
・2012 ~
Key Features
・The electro-hydraulic servo motor was applied in this MLRS
・Feed back control by servo vale and yoke position sensor
・Optimization of hydraulic system and energy saving
Key Features
Customer
・Korea Army
・Low power consumption of below 9 kW
・Mechanical auto self-locking type Jack cylinder
・Operating temp : -32 ~ 50 °C
・Max operating slope : 5 °
Customer
・Korea Army
4
2
3
2
3
1
7
6
4
1
7
6
5
5
22
8
1 Traverse/Elevation Servo Motor
5 Jack Cylinder
1 Hydraulic Power Pack
5 Hydraulic Jack
- Drives the launching ramp to precise position
and angle with the hydraulic power from the
main pump controlled with servo valve.
- Supports vehicle horizontally for accurate
firing control using the hydraulic power from
the main pump.
- Using electric motor, generates hydraulic
power and supply the power to hydraulic
devices.
- Extends hydraulic jack for stable support of
antenna base, or raises antenna base for
separation, combination with vehicle.
2 Hydraulic Pressure System
6 Swivel Joint
2 Antenna Up-Down Cylinder
6 Oil Reservoir
- Provides hydraulic power to hydraulic system
during engine stop to enable firing.
- This device provides hydraulic oil paths from the
hydraulic power system beneath the vehicle to the
hydraulic motor for rotate up/down and left/right.
- Extends/retracts cylinder to raise/lower
antenna.
- Stores hydraulic oil.
3 Oil Reservoir
7 Jack Drive Distributor
3 Antenna Lock Device
- The reservoir of the hydraulic oil, which cools
down the oil from its metallic surface.
- Controls the pressure and low fed to, returned
from jack cylinder according to the control
signal.
- At start/completion of antenna up-down,
locks or releases antenna locking device.
7 Extension Cylinder,
Extension Drive Distributor
4 Main Pump
4 Hydraulic Unit
- Generates hydraulic power from the energy
of engine, and supply the power to hydraulic
system.
- Controls antenna up-down cylinder and
locking device.
- Extends/retract extension cylinder to extend/retract
outrigger. The extension drive distributor controls
extension/retraction of extension cylinder.
8 Integrated Controller,
Inclination Indicator/Controller
- Integrated controller controls hydraulic system
electrically according to the built-in software
program. Inclination indicator/controller indicates
vehicle inclimation.
23
Stabilization System
for Terminal Antenna Pedestal
Precise, stabilized pedestal for surface ship antenna to enable accurate satellite
tracking automatically or manually. Ship’s roll, pitch, yaw are automatically
compensated for uninterrupted military satellite communication.
Production
・2007 ~
Key Features
・3-Axis Pedestal
・Coverage
- Azimuth : 360 ° continuous
- Elevation : -30 ° ~ 120 °
- Cross : -55 ° ~ 55 °
・Velocity : 20 °/sec
・Acceleration : 25 °/sec2
Customer
・Korea Navy
2
1
4
3
1 Pedestal Control Unit
3 Power Supply Unit
Naval Weapon
- High speed DSP is applied to compensate
external source of disturbance such as
waves, and an algorithm for precise
satellite tracking control is built-in.
- Supplies electric power to motor drive,
pedestal control assembly board and
various sensors.
Doosan Corporation Mottrol has been developing and producing the servo system for
short range tracking rader and terminal antenna pedestal for naval weapon system.
2 Sensor Box
4 Pedestal Device
- Consists of the rate sensor for measuring
external disturbance signals and tilt sensor
for measuring inclination.
- A device for low back lash and high speed
precision control. This device controls
satellite antenna direction with 3-axes
electric precision drive control.
24
25
Hydraulic Winch System
Electro-Mechanical Servo System
Active sonar system detects enemy submarines or mines in the sea with the
sound wave transmitted from a surface ship and reflected by the target.
Being linked with various equipments and systems on board,
improves survivability of ship.
for Sonar System(TASS/TACM/ULTASS)
for Short Range Tracking Radar
Production
・20XX ~
Production
・2010 ~
Key Features
・Self-activated cable spooling system.
・Compact winch system using a electro-hydraulic servo driving unit.
Key Features
Customer
・Korea Navy
・2-Axis Pedestal
・Coverage
- Azimuth : 360 ° continuous
- Elevation : -20 ° ~ 85 °
・Velocity : 2 rad/sec
・Acceleration : 7 rad/sec2
Customer
・Korea Navy
2
2
1
3
26
1 Power Supply Unit
3 Towing Winch
1 Servo Amplifier
3 Servo Controller
- Supplies power to towing winch, using
a hydraulic system.
- Droops, tows, lifts and stores the sensors
and towing cable for detecting sound
wave.
- This device is for the operation of the high
voltage, high precision BLDC motor for
precise control of servo driver.
- Compensates the external disturbance,
such as waves, to the ship by applying
high speed DSP.
An algorithm for precise tracking is built-in.
2 Towing Device
2 Servo Driver
4 Emulator
- Guides the sound wave detector sensor
and cable into the sea.
- A device for low backlash and high speed
precision control of antenna direction
based on 2-axes electric precision drive
control.
- The emulator tests and analyzes servo
system performance by creating drive
commands.
27
Aerospace Weapon
Hydraulic Main Pump(HMP)
for Korean Utility Helicopter(KUH)
Hydraulic Main Pump for KUH supplies the hydraulic flow
for attitude control of Helicopter.
Production
・2010 ~
Key Features
・Variable displacement axial piston pump
・Rated speed : 4723 RPM
・Rated temp. : 107.2 °C
・Rated flow : 20 ℓ/min
・Rated outlet pressure : 20.7 MPa(3,000 psi)
Customer
・Korea Army
1
1 Hydraulic Main Pump(HMP)
Doosan Corporation Mottrol has been contributing to development of national
aerospace industry by developing the hydraulic pump for helicopters.
28
- Hydraulic Main Pump for KUH is an in-line variable displacement pump.
This pump meets SAE AS19692 specification and generates hydraulic pressure of
20.7 MPa(3,000 psi)
29
Future Weapon
Rotatable Suspension Arms
for Robot Vehicle
Rotatable Suspension Arms using the nonlinear spring characteristics of N2 gas and MR fluid damper minimizes shock and vibration to
increase rough ground driving performance and protect mounted
equipments of a vehicle.
Key Features
・Rotatable Suspension Arm is a kind of semi-active type suspension which gives better riding performance and
helps the robot to keep the desired attitudes and positions.
・Electric power of motor with gear box provides power to Rotatable Suspension Arms to rotate the arm 360
degrees.
・Either leading arm or trailing arm position is possible to conduct the same performance in a Rotatable
Suspension Arm.
Electric Direct Drive System
for Gun/Turret Drive System
EDDS, Advanced electric driving system by applying direct driving
servo motor, achieves more accurate, effective, rigid Gun/Turret
Drive System than existing gear reduction based drive system
Key Features
Doosan Corporation Mottrol has been participating in the development project of the
Robot Vehicle and has been developing a variable suspension and wheel drive system.
30
・The pancake type Direct Drive motor(Dia 2.0m) was applied in this system
・Enhanced tracking accuracy with EDDS hardware and an algorithm
・Improved tracking performance at low speed
・Advanced boosting the voltage technology
- efficiency up to 85%(@ 1 : 38 converting ratio)
31
R&D Overview
R&D Overview
Doosan Corporation Mottrol has been contributing to national defense for more than 30 years by developing and supplying various
hydraulic devices, electro-hydraulic systems, and electric drive gears used in various weapon systems.
Development Field
Doosan Corporation Mottrol has developed hydro-pneumatic suspensions for the K9, K55, K21 and other combat vehicles,
gun/turret stabilizer for K1 and K1A1, electric gun/turret drive for K2, satellite antenna for ships, and stabilizer for short range
tracking radar. The servo valve developed jointly with academy-industry-research circles has become a core part for guns and
turret stabilizer and fuel controller.
Core Technology
With the advanced technology that is accumulated more than 30 years, Doosan Corporation Mottrol has positioned itself as a
leader in hydraulic-electric system. Doosan Corporation Mottrol has been contributing to national defense by developing hydropneumatic suspension, gun and turret stabilizer for K1, K2, K1A1 tanks, ship antenna stabilizer and servo valve.
Development Performance
Beginning with the development of the K55 self-propelled howitzer and Korean type K1 tank, Doosan Corporation Mottrol have
developed hydraulic pump for UH-60 helicopter, TASS/TACM winch onboard naval ships, K9 self-propelled howitzer,
hydro-pneumatic suspension and a number of other Electro-hydraulic systems for the national defense.
Description
1986
1991
1992
1995
1996
1997
With continuous investment in R&D, Doosan Corporation Mottrol has been developing
total solution for servo valves, hydro-pneumatic suspension, hydraulic/electric stabilized
driving system and the core parts in guided weapons and aerospace systems.
1998
2002
2007
2008
32
Developed gun/turret drive system for 155mm self-propelled For K55
Developed GTDSS for K1
Developed large capacity Electric Drive System(EDS)
Developed Hydraulic Pump for UH-60
Developed TASS/TACM
Developed ISU Suspension
Improved gun/turret stabilizer for K1A1
Developed Fire Control Simulator System(FCSS)
Developed Gun/Turret Drive System for 155mm self-propelled gun(GTDS)
Developed HSU 155mm self-propelled gun for K9
Developed high performance hydraulic servo valve
Developed hydro-pneumatic suspension for K21
Developed terminal antenna drive stabilizer for ships
Developed electric gun/turret drive for K2
33