Opening remarks o Nearly all ADCs design and Performance can be viewed in terms of rigid body dynamics o typically a Major spacecraft system o For large, light-weight structures with low fundamental frequencies the flexibility needs to be taken into account o ADCS requirements often drive overall s/c design o Components are cumbersome, massive and power-consuming o Field-of-View requirements and specific orientation are key o Design, analysis and testing are typically the most challenging of all subsystems with the exception of payload lesign o Need a true systems orientation to be successful at designing and implementing an ADCsOpening Remarks Opening Remarks Nearly all ADCS Design and Performance can be viewed in terms of RIGID BODY dynamics Typically a Major spacecraft system For large, light-weight structures with low fundamental frequencies the flexibility needs to be taken into account ADCS requirements often drive overall S/C design Components are cumbersome, massive and power-consuming Field-of-View requirements and specific orientation are key Design, analysis and testing are typically the most challenging of all subsystems with the exception of payload design Need a true “systems orientation” to be successful at designing and implementing an ADCS