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Satellite-control software helps the oil and gas industry

Date:
October 15, 2010
Source:
European Space Agency
Summary:
A space spin-off company has developed software that uses conventional satnav signals to obtain accurate positioning with centimetre precision. Based on ESA satellite-control software, it has already attracted customers in the oil and gas industry.

The exact location is determined by ESA spacecraft control spin-off system from German start-up company PosiTim, supported by ESA BIC Darmstadt to develop the idea and turn it into a viable business.
Credit: ESA

German start-up company PosiTim's advanced computation system uses satnav signals from GPS and Glonass for accurate real-time positioning to centimetre accuracy. With additional processing, it reaches the millimetre level.

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To develop the idea and turn it into a viable business, the company is being reared at ESA's Business Incubation Centre (BIC) Darmstadt, which is part of ESA's Technology Transfer Programme.

"We use geodetic receivers and rather than using only the code measurement, as conventional navigation devices do, we use both the code and the phase measurement, where the phase measurement is about 1000 times better. So instead of being at the metre level we can reach the millimetre level,"explains Tim Springer, inventor of the system and PosiTim CEO.

"Today we reach an accuracy of 10-20 cm in real-time, while it takes longer to reach millimetre precision. The system is already being used for the positioning of offshore ships and platforms.

"We plan to improve our algorithm and data processing to reach higher accuracy faster. Currently, we reach 1 mm horizontally and 4 mm vertically in post-processing. We have also demonstrated that real-time accuracies of 5 mm horizontally and 20 mm vertically are feasible.

"One of our most important activities at the BIC in Darmstadt is to reach higher accuracy in real time."

Software algorithm spin-off from ESA satellite control

The software now being used by PosiTim originated with ESA's satellite ground control systems. It is well known that using the highly accurate orbits and clocks of navigation satellites can determine a position very precisely. These have been used by ESA, NASA and several other government agencies and universities since 1992 as part of IGS, the International Global Navigation Satellite System (GNSS) Service.

From being highly specialised scientific systems these have now developed into a commercial niche market, with thousands of GNSS stations providing real-time services for surveyors and monitoring earthquakes and volcanoes.

PosiTim's system is based on ESA's NAPEOS GNSS software. NAPEOS provides real-time processing and is used by ESA for satellite control. As it originates from the scientific field, it offers higher precision than commercial packages.

"The NAPEOS software was developed for ESA's European Space Operations Centre (ESOC) by Spanish company GMV," says Prof. John Dow, Head of the Navigation Support Office at ESOC.

"Thanks to the modelling upgrades implemented over the past few years under the guidance of Tim Springer, it has become a tool that is showing the way forward in generating products of the highest accuracy from GNSS and other advanced data types, such as those used in many ESA missions in the navigation and Earth observation domains."

"Our business plan is to commercialise NAPEOS and improve its precision significantly as well as reduce the processing time,"explains Tim Springer. "We plan to offer turnkey solutions with services for installation, configuration and training."


Story Source:

The above story is based on materials provided by European Space Agency. Note: Materials may be edited for content and length.


Cite This Page:

European Space Agency. "Satellite-control software helps the oil and gas industry." ScienceDaily. ScienceDaily, 15 October 2010. <www.sciencedaily.com/releases/2010/10/101015091007.htm>.
European Space Agency. (2010, October 15). Satellite-control software helps the oil and gas industry. ScienceDaily. Retrieved December 18, 2014 from www.sciencedaily.com/releases/2010/10/101015091007.htm
European Space Agency. "Satellite-control software helps the oil and gas industry." ScienceDaily. www.sciencedaily.com/releases/2010/10/101015091007.htm (accessed December 18, 2014).

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