Vincent Brown Rnd

Hydraulic System Vincent Brown Rnd

The ?um? d???l???m?nt ??ntr?ll?d ??tu?t?r ?ff?r? a very promising ?lt?rn?t?v? and energy-saving ??lut??n f?r many applications ?n construction m??h?n??. It h?? proven to b? w?th high fuel ???n?m? b? ?l?m?n?t?ng th? m?t?r?ng l????? associated w?th h?dr?ul?? valves. H?w?v?r, actuator ????ll?t??n ?? ?b??rv?d wh?l? w?rk?ng with flu?tu?t?d v?l???t? ?r dynamic l??d? due t? ?l?w d?n?m?? response ?nd l?w tr??k?ng ???ur??? ?f the pump-controlled actuator. T? ?m?r?v? ??ntr?l ?u?l?t?, a n?w ?r???rt??n?l-?nt?gr?l ?lg?r?thm ??mb?n?d w?th f??d-f?rw?rd ??m??n??t??n ?? put f?rw?rd in this article. B???d ?n th? analysis of th? swash ?l?t? ?dju?tm?nt mechanism, th? state-space equation ?? ??t?bl??h?d. And then, ??mul?t??n and ?x??r?m?nt?l ?tud??? w?r? ??rr??d ?ut. B?th ??mul?t??n ?nd ?x??r?m?nt?l results ?h?w th?t the new ??ntr?ll?r b???d ?n ?r???rt??n?l-?nt?gr?l ?lg?r?thm w?th feed-forward compensation achieves h?gh?r dynamic r????n?? ?nd tr??k?ng ???ur??? th?n the conventional proportional-integral ??ntr?ll?r. And th? ??tu?t?r oscillation ?? eliminated H?dr?ul?? dr?v?? ?r? used in many ?ndu?tr??l ?nd m?b?l? ???l???t??n? where h?gh power d?n??t? and dynamic ??rf?rm?n??? ?r? required. T?k?ng construction machinery as ?x?m?l?, v?lv?-??ntr?ll?d h?dr?ul?? ???t?m ?? a w?d?l? u??d power dr?v?ng ??h?m?.