Data measurement system for monitoring and diagnostics of microaccelerations onboard the International Space Station Russian segment

The paper makes a case for development of a Data Measurement System (DMS) to monitor and diagnose microaccelerations onboard manned space stations. It describes the evolution of DMS designs, starting with space stations Salyut-6, Salyut-7 and including the operational phase of the International Space Station Russian Segment (ISS RS). It provides examples of problems that were occurring when microacceleration levels onboard space stations were measured using the first-generation acceleration meters: linear optical accelerometers and microacceleration meters IMU-128. It describes the design of the first DMS element onboard the ISS RS: the Digital MicroAcceleration Meter (DMAM), which has been monitoring microaccelerations onboard the ISS RS since 2011. The paper discusses some of the results obtained using the DMAM, and draws the conclusion about the need to improve the DMS. It proposes ways to improve the DMS, which can be used both onboard the existing and future manned space stations.