Electro-hydrostatic actuator

An actuator assembly comprising:

• a cylinder body having a plurality of passageways;
• a first accumulator fluidly connected to the plurality of passageways, the first accumulator operable to maintain a fluid under pressure and to urge the fluid through the plurality of passageways;
• a second accumulator fluidly connected to the plurality of passageways, the second accumulator operable to maintain a fluid under pressure and to urge the fluid through the plurality of passageways, the second accumulator fluidly connected to the first accumulator through the plurality of passageways and operable to receive fluid from the first accumulator;
• a moveable cylinder fluidly connected to the plurality of passageways, the moveable cylinder operable to move in response to pressure from the fluid;
• and
• a solenoid assembly comprising a core tube, an armature, a first magnet, a second magnet, and an excitation coil, the core tube extending through a longitudinal axis, the core tube having a first ferromagnetic end section and a spaced apart second ferromagnetic end section, the armature having a rod extending through the longitudinal axis, the armature disposed longitudinally between the first ferromagnetic end section and the spaced apart second ferromagnetic end section, the first magnet and the second magnet disposed radially outside the core tube, the first magnet separated from the second magnet by a ferromagnetic spacer, the excitation coil located radially outward from the first and second magnets.