Wednesday, 27 January 2010

Problems with OBC startup issue resolved

A faulty power regulator is to blame for the recent problems had in starting up the on-board computer (OBC).

Matthew Ashworth and Andrew White travelled from Portsmouth to the Lunchsat lab in Stevenage to work alongside the OBC and Imager teams to identify the power regulator at the root of the problem. A replacement has now been ordered, alongside a new power surge protector and fixed voltage power supply, for installation next week -- when further testing will take place to ensure the problem is not being caused by other subsystems and that the new equipment minimises stress on the new regulator.

More satellite design work and testing hours will be required over February to ensure the project remains on schedule. Results of hardware testing are to be published in advance of the upcoming Review sessions, to be held with technical experts and senior management.

The OBC startup issue should be resolved by early February. The Mid-Term Review with technical experts is scheduled for early March; the End-of-Year Review with management is set to conclude progress mid-June.

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