1. Continuous Low-thrust Strategy for Space-asset Recycle Missions Open Access Author: He, Guanwei Title: Continuous Low-thrust Strategy for Space-asset Recycle Missions Graduate Program: Aerospace Engineering (PHD) Keywords: low-thrust spacecraftdebris removalanalytic approximationtwo-variable expansiongenetic algorithmsfireworks algorithmstrajectory optimization File: Download Guanwei_Phd_Dissertation.pdf Committee Members: Robert Melton, Chair & Dissertation AdvisorXiantao Li, Outside Unit & Field MemberDavid Spencer, Major Field MemberAmy Pritchett, Program Head/ChairSven Bilén, Major Field MemberPuneet Singla, Major Field Member