We outline a mission with the aim of directly detecting the gravitomagnetic field of the Earth. This mission is called Gravity Probe C. Gravity Probe C(lock) is based on a recently discovered and surprisingly large gravitomagnetic clock effect. The main idea is to compare the proper time of two standard clocks in direct and retrograde orbits around the Earth. After one orbit the proper time dif...

a few years after the implementation of computerize maintenance management systems (cmms), showing the analysis results of the collected data in these systems is necessary and important for continuing the usage of these systems. equipment downtime and cost data can identify patterns of equipment faults and equipment costs. it can also show deficiencies in the implementation of maintenance syste...

We present here the set of corrections that will be applied to the raw data of the CoRoT mission. The aim is to correct the data for instrumental and environmental perturbations as well as to optimize the duty-cycle, in order to reach the expected performances of the mission. The main corrections are : the correction of the electromagnetic interferences, suppression of outliers, the background ...

This paper will describe a NASA/JPL rover system that has been focused on developing technologies required for the in-situ exploration of Mars. In particular, JPL has been developing a class of rovers that carry significant science payloads that address geological exploration and discovery along with the ability to acquire samples from soils and rocks. The aim of this work is to validate missio...

This article presents some principles for selfmaintenance in an on-board architecture that embeds on-line active diagnosis. The objective of active diagnosis is to find an action plan that refines the diagnosis without radically changing the mission plan. This leads to the definition of a planning problem that relies on an active diagnoser. According to a decision criterion, the aim is then to ...