I n or der t o r educe t he pr i mar y r esonance vi br at i on of a magnet i c l evi t at i on syst em, t hi s paper i nvest i gat ed t he eff ect of appl yi ng negat ive l i near vel oci t y f eedback cont r ol . E xt er nal and par amet r i c f or ces t hat w er e l i near, quadr at i c and cubi c w er e exposed t o t he syst em under anal ysi s. T he cont r ol of l i near vel oci t y f eedback show s t hat i t i s bet t er t o r educe t he r esul t i ng vi br at i on t han t he cubi c one. To obt ai n t he r esponse syst em and anal yze t he st abi l i t y of i t , t he har moni c bal ance met hod ( H B M) was appl i ed. I t i s confi r med t hat i t i s st abl e over al l . C ompar i son of t he appr oxi mat e and numer i cal sol ut i ons and t he eff ect of t he r esponse syst em par amet er s w er e anal yzed usi ng MAT L A B 14. 0. T he r esponse syst em show s t hat onl y t he coeffi ci ent of t he l i near f or ce i s aff ect ed, w hi l e t he coeffi ci ent s of t he quadr at i c and cubi c f or ces have no eff ect on t he r esponse syst em.