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Design of Thermal Actuator for Correcting Misalignment in Optics of Space TelescopesBy Piyush Gopani, Shubham Rupani
Abstract: There are two types of actuators such as: linear actuator and rotary actuator. Basically, linear actuators are used for the actuation such as lifting, switching, moving etc. But when we use the actuator for the correction of misalignment, it requires precision in output. Recently there are many types of actuators available in market such as brushless DC motors, stepper motors, shape memory alloys, hydraulic and pneumatic actuators, piezoactuator, thermal actuators …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 6, Issue 1, 2017 · pp. 1–4 Read article →