div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=university-of-technology-iraq-controlling-ppicv-without-any-oscillated-responsehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: University of Technology Iraq · controlling PPICV without any oscillated response 2 SYSTEM BACKGROUND 21 Proportional Valve Prorxrtional valve is the function that provides loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220502055f582496ad3157732f4457b7html5thumbnails1jpg width=140 height=200 divdiv