Piotr Orleanski

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The Planetary Fourier Spectrometer (PFS) for the Mars Express mission is an infrared spectrometer optimised for atmospheric studies. This instrument has a short wave (SW) channel that covers the spectral range from 1700 to 8200:0 cm 1 (1.2–5:5mm) and a long-wave (LW) channel that covers 250–1700 cm 1 (5.5–45 mm). Both channels have a uniform spectral(More)
This paper describes the Heterodyne Instrument for the Far-Infrared (HIFI), to be launched onboard of ESA's Herschel Space Observatory, by 2008. It includes the first results from the instrument level tests. The instrument is designed to be electronically tuneable over a wide and continuous frequency range in the Far Infrared, with velocity resolutions(More)
A digital controller for satellite medium power DC/DC converters is presented. The power converter composes of a digital compensator implemented in the FPGA, peripherals that interference the digital part with the analog ones and a power stage. The presented controller can be used in two topologies: buck and half-bridge. The mathematical models of the power(More)
The Large Observatory For x-ray Timing (LOFT) is a mission concept which was proposed to ESA as M3 and M4 candidate in the framework of the Cosmic Vision 2015-2025 program. Thanks to the unprecedented combination of effective area and spectral resolution of its main instrument and the uniquely large field of view of its wide field monitor, LOFT will be able(More)
The objective of this paper it to present a work concerning a proposed design and development of an analog Pulse Width Modulation (PWM) Application Specific Integrated Circuit (ASIC) with built-in analogue control loop and PWM for DC/DC power converters used in space applications. The described circuit can be used in avionics, aerospace devices and(More)
Design and implementation of hardware mock-up of high performance system for general avionics testing in reconfigurable FPGAs. Strong emphasis is put on exploiting dynamic partial reconfiguration capability as a method for functionality multiplexing and fault mitigation. Additionally, dynamic reconfiguration can be used for fault injection which makes(More)
The Large Observatory For x-ray Timing (LOFT) was studied within ESA M3 Cosmic Vision framework and participated in the final downselection for a launch slot in 2022-2024. Thanks to the unprecedented combination of effective area and spectral resolution of its main instrument, LOFT will study the behaviour of matter under extreme conditions, such as the(More)