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FOG TECHNOLOGY AND FOG-BASED SYSTEMS: AN INDUSTRIAL REALITY AT IXSEA

机译:雾技术和基于雾的系统:IXSEA的工业现实

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As one of the parents of the technology (under its former name (Photonetics) and thanks to its team of highly skilled research engineers, Ixsea has improved year after year its FOG basic design for always better performance. This was achieved with the same optical configuration by understanding all microscopic effects creating parasitic interferometers and reducing them one after the other. This led to gyros with a noise as low as 10~(-4) degree per square root of hour and with bias stability lower than 10~(-4) degree per hour. Even scale factor performance over large temperature range, which was thought as a limiting factor of FOG technology, is getting close to RLG performance. This performance is so high level that our FOG technology provides a solution for all applications, even the most demanding ones in terms of performance, reliability and lifetime. Among them, space applications for various satellite types will be fitted with our FOGs. This paper describes our FOG technology and the solutions for achieving such performance: a very efficient light source with controlled spectrum and power although without any temperature control (which would add cost and power consumption), a smart fully digital signal processing and various key enhancements in the optical design. Performance of our FOGs with respect to these parameters will be described. From our FOG sensors, we have developed and marketed inertial systems. With these products, Ixsea has demonstrated that high performance FOG is no more a lab technology but a field proven, cost effective and industrialized technology. The success of Octans and Phins is a daily proof for that: close to 450 Octans are presently in service all over the world.
机译:作为该技术的母公司之一(以其前身(Photonetics)命名,并且由于其高技能的研究工程师团队),Ixsea逐年改进了FOG基本设计,以始终获得更好的性能。这是通过相同的光学配置实现的通过了解产生寄生干涉仪的所有微观效应并逐个减小它们,从而导致陀螺仪的噪声低至每平方根小时10〜(-4)度,偏置稳定性低于10〜(-4)甚至在大温度范围内的比例因子性能(被认为是FOG技术的限制因素)也接近RLG性能,这种性能是如此之高,以至于我们的FOG技术为所有应用提供了解决方案,即使是在性能,可靠性和寿命方面最苛刻的要求。其中,各种卫星类型的太空应用都将配备我们的FOG。 d实现此类性能的解决方案:高效的光源,具有可控制的光谱和功率,尽管没有任何温度控制(这会增加成本和功耗),具有智能的全数字信号处理功能,并且在光学设计中进行了各种关键改进。将描述我们的FOG在这些参数方面的性能。通过我们的FOG传感器,我们开发并销售了惯性系统。通过这些产品,Ixsea证明了高性能FOG不再是一种实验室技术,而是一种经过实践证明,具有成本效益的工业化技术。每天使用Octans and Phins可以证明这一点:每天有近450枚Octans投入使用。

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