EH SERVOSYSTEMS

DEVELOPMENTS

ETA & SERVOSYSTEMS

3AXES-STEERING TEST RIG 200T FRICTION WELDING MACHINE

RANGE OF APPLICATION

EH SERVOSYSTEMS

SERVOSYSTEMS

06/04/16

SERVOSYSTEMS

EHSA

EHSA

APPLICATIONS -ETA

APPLICATION: FRICTION WELDING MACHINE

&UPSETTING MACHINE

EHSA

ETA APPLICATION

AEROSPACE ACTUATORS TEST RIG

PROOF TEST LOW PRESSURE FRICTION

10T -Thrust Bearing Test Rig

Submersible pumps

EHSA

APPLICATIONS -ETA

Boeing 787 Flight

Simulator Power Savings

Application

No Servovalve, Counter Balance

EHSA

Servovalves - Development

VOICE COIL DRIVEN SERVOVALVES

VCD SERVOVALVES PERFORMANCE

Servovalves - Development

06/04/16

Servovalves - Development

VCD SERVOVALVE DYNAMIC PERFORMANCE

VCD Servovalve Application at ETA

6DOF STEWART PLATFORM MOVING MASS-30T

MAX ACCELARATION-1.2g

MAX SPEED-1.5m/s

TOTAL POWER-1000KW

LOAD FLOW/ACTUATOR-375lpm

VCD-SERVOVALVE-200LPM@10BAR

PRESSURE DROP

ENERGY SAVINGS

FROM LOWER PRESSURE DROP

VCD Servovalve Application at ETA

DYNAMIC FORCE EXCITER

Servovalves Development

PIEZO ACTUATED SERVOVALES M. Reichert - Aachen

Direct for Small Flows

High Dynamics:

To reduce time delay

Higher Load Stiffness

Extend limiting frequency

PIEZO ACTUATED SERVOVALES

M. Reichert - Aachen

Servovalves - Development

Pilot operator for large flows

PIEZO ACTUATED SERVOVALES M. Reichert - Aachen

Servovalves Development

TANDEM ACTUATORS

ACTUATORS DEVELOPMENT

APPLICATIONS: COUNTER BALANCE TO REDUCE

CONTROL POWER

SUPERPOSITION OF DYNAMIC LOADS

OVER STATIC ONES

FATIGUE TESTING OF LARGE CIVIL STRUCTURES

2 MILLION CYCLIC LOADING FORCES VARYING

FROM 8MN TO 10MN

APPLICATIONS OF TANDEM ACTUATORS AT ETA

ACTUATOR DEVELOPMENTS

ACCLERATION-1.2g

VELOCITY-1.5m/s

POWER -1000KW

•DYNAMIC FORCE EXCITER

COUNTER BALANCING

SUPERPOSITION STATIC/DYNAMIC

FORCES

NAL TRISONIC WIND TUNNEL VMFN

LOAD -83T POWER SUPPLY

OF100LTR ACCUMULATOR HALVED

ACTUATORS WITH HYDRO STATIC BEARINGS

ACTUATOR DEVELOPMENTS

HIGHER ROD SPEED/OPERATING

FREQUENCY

SYSTEM DEVELOPMENTS

HIGHER POWER RANGE

DEVELOPMENT IN HYD. MOTORS-RADIAL PISTON

4 STAGE SERVOVALVES(15000 LPM)

EARTHQUAKE SIMULATION

LINEAR FRICTION WELDING IN BLISK MANUFACTURE

EXPLOIT PIEZO ACTUATOR CAPACITY FOR CORRECTIONS

CONTROL SYSTEM

HARDWARE

• INTEGRATION OF DIGITAL DRIVE CONTROL INTO VALVE, DIGITAL CONFIGURATION OF CONTROL

PARAMETERS

•BUS COMMUNICATION WITH DECENTRALIZED, TECHNOLOGY INDEPENDENT PRIMARY CONTROL

STRUCTURES(LAN,FIELD,ETHER)

•SOFTWARE

•CLASSICAL AND MODERN CONTROL STRATEGIES

•PID,FEED FORWARD AND FEEDBACK

•MODEL BASED

•ADAPTIVE-AMPLITUDE AND PHASE MODULATION

THANK YOU