Cedrat Technologies, innovation in mechatronicsCedrat Technologies, innovation in mechatronics

Cedrat Technologies, innovation in mechatronics

压电机构

压电机构的组成至少是一个压电促动器和一些额外功能:

> 压电机构可以仅基于一个促动器,其他的自由度由引导机构控制。例如下面介绍的光学相位差促动器(OPDA),一个为欧瑞康(Oerlikon-Contraves Space)的LISA项目开发的宇航级线性压电平台,是基于一个APA®和一个弹性引导的机构。

> 压电机构可以基于多个促动器,提供互补作用。例如,CEDRAT TECHNOLOGIES 的XY压电平台,Y轴压电促动器为X轴促动器提供运动引导,反之亦然。

大多数CEDRAT TECHNOLOGIES的压电机构都是基于标准或定制的放大型压电促动器(APA®)平行预应力促动器(PPAs)。它们可用于开发X和XY平台,tip-tilts精密摆台,空心促动器,快门和5或6自由度精密机构。

CEDRAT TECHNOLOGIES的压电机构受益于很多航空航天经验,这本身也是高可靠性和高能量密度设计的选择结果:CEDRAT TECHNOLOGIES的压电促动器具有高度预应力,无弱点(如赫兹枢轴或弯曲铰链)。这提供了几个优点:很好承受外部负荷的能力(如外部振动),高动态(大的带宽能力,从DC到共振频率以上)和长寿命。

CEDRAT TECHNOLOGIES的单片集成(固态)压电机构把一个或多个促动器和引导机构结合在一个部件上,如XY平台。具有紧凑性,低成本和高可靠性的优点。

以下示例显示了各种原型机和定制产品。更多产品可以在机电一体化系统部分相关出版物中找到。

Double tip tilt DTT300ML-SG-SV

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Description

Fast steering mirror FSM for SiC large aperture mirror with its controller rack.

Applications

High power laser, line of sight stabilisation for atmospheric disturbance compensation.

Status
Prototype
DTT300ML

Double tip tilt DTT120ML-PTW for MEFISTO

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Description

In the context of CNES future observation satellite and DGA funding, and in collaboration with CNES and SODERN, CTEC designed a large space mechanism.

Applications

The MEFISTO mechanism is dedicated to fillet compensation for space telescopes.

Status
Space qualified prototype
DTT120ML

Double tip tilt DTT95ML-SG-SV

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Description

Fast steering mirror FSM with 120 mm diameter SiC mirror.

Applications

Space, point-ahead mechanism for infrared telescope.

Status
Space qualified prototype
DTT95ML

Double tip tilt DTT60S-SG for ATLID

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Description

Thanks to the heritage from the PHARAO DTT, CTEC has developed the ATLID Beam Steering Mechanism (BSM).

Applications

Space

Status
Space qualified prototype
DTT60S-SG

Double tip tilt DTT40SM-SG FSM

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Description

Fast steering mirror FSM for 80 mm diameter mirror.

Applications

High power laser, atmospheric disturbance compensation.

Status
Prototype
DTT40SM

Double Tip Tilt DTT35XS-SG-SV

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Description

Fast steering mirror FSM for 50 mm diameter mirror with CCBu20 controller box.

Applications

Line of sight stabilisation.

Status
Prototype
DTT35XS

Double Tip Tilt DTT15XS-SG FSM

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Description

Compact fast steering mirror FSM with its controller box for embedded electro optic systems.

Applications

Image stabilisation and micro-scan combined in a single unit (5th and 6th axis of gyro stabilised platform).

Status
Prototype
DTT15XS

Cryogenic Double tip tilt DTT10h for ESA CFSM project

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Description

For the ESA EChO mission, the use of a fine steering tip and tilt mechanism ensures the stability of the line of sight for a telescope operating in cryogenic conditions. 

Applications

Space, pointing

Status
Prototype
DTT10H cryogenic mechanism

Double tip tilt DTT10M-SG-SV FSM for high power laser

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Description

Fast steering mirror FSM for 50 mm diameter mirror with its controller rack.

Applications

High power Laser, atmospheric disturbance compensation.

Status
Space evaluated
DTT10M

Double Tilt Translator: DTT35XS

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Description

DTT35XS-space is a very light piezoelectric tip-tilt mechanism designed according to ECSS space rules for Pharao mission and delivered to EADS.

Applications

Instrumentation, Optics etc.

Status
Product

Piezo actuators for astronomical instrumentation

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Description

In astronomical instrumentation, the trend is currently to build up large telescopes. Such structures enable to gather more light and hence, to see our universe brighter. Numerous projects like VLT, ELT,TMT … are well known cases showing the tendency.

Applications

Space mechanism, instrumentation etc.

Status
Concept

Fast Piezo Shutters: FPS200M, FPS400M & FPS900M

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Description

The fast piezoelectric shutter FPS is made to shutting off X-Ray beams. It is based on compact dynamic and precise APA® piezo actuators. Smaller or larger aperture (>1mm) shutters are proposed.

Applications

Crystallography, Optical shutter, beam shutter etc.

Status
Product

XY Piezoelectric stage: XY200M

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Description

The XY200M stage has been designed thanks to CNES complying with ECSS space rules. It is a monolythic piezo mechanism using the qualified APA® technology.

Applications

Aerospace, Scanning, High positioning accuracy etc.

Status
Space evaluated

Piezo stage for optical delay line: OPDA

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Description

OPDA is an outstanding example of accurate mechanisms for instrumentation in a harsh environment. This X stage has been delivered to Oerlikon Contraves for LISA mission.

Applications

Optical Delay Line, Space mechanism, Intrumentation etc.

Status
Space qualified prototype