Performances Comparison for a Rotating Shaft Suspended by 4-Axis Radial Active Magnetic Bearings via <svg style="vertical-align:-3.294pt;width:13.775px;" id="M1" height="13.825" version="1.1" viewBox="0 0 13.775 13.825" width="13.775"  xmlns="http://www.w3.org/2000/svg">
	<g transform="matrix(1.25,0,0,-1.25,0,13.825)">
		<g transform="translate(72,-60.94)">
			<text transform="matrix(1,0,0,-1,-71.95,64.27)">
				<tspan style="font-size: 17.93px; " x="0" y="0">𝜇</tspan>
			</text>

		</g>
	</g>
</svg>-Synthesis, Loop-Shaping Design, and Sub<svg style="vertical-align:-4.50008pt;width:49.775002px;"  height="20.887501" version="1.1" viewBox="0 0 49.775002 20.887501" width="49.775002"  xmlns="http://www.w3.org/2000/svg">
	<g transform="matrix(1.25,0,0,-1.25,0,20.8875)">
		<g transform="translate(72,-55.29)">
			<text transform="matrix(1,0,0,-1,-71.95,59.83)">
				<tspan style="font-size: 17.93px; " x="0" y="0">(</tspan>
				<tspan style="font-size: 17.93px; " x="5.9716892" y="0">𝐻</tspan>
				<tspan style="font-size: 17.93px; " x="21.627197" y="0">)</tspan>
			</text>

			<text transform="matrix(1,0,0,-1,-44.35,55.34)">
				<tspan style="font-size: 12.55px; " x="0" y="0">∞</tspan>
			</text>

		</g>
	</g>
</svg>with Uncertainties

<table>Robust stability, nominal and robust performance function described by <svg height="9.6750002" id="M104" style="vertical-align:-2.29482pt" version="1.1" viewbox="0 0 9.6374998 9.6750002" width="9.6374998" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,9.675)">
<g transform="translate(72,-64.26)">
<text transform="matrix(1,0,0,-1,-71.95,66.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜇</tspan>
</text>
</g>
</g>
</svg>-value with <svg height="9.6750002" id="M105" style="vertical-align:-2.29482pt" version="1.1" viewbox="0 0 9.6374998 9.6750002" width="9.6374998" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,9.675)">
<g transform="translate(72,-64.26)">
<text transform="matrix(1,0,0,-1,-71.95,66.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜇</tspan>
</text>
</g>
</g>
</svg>-Synthesis.</table>

Modelling and Simulation in Engineering

fig8

Figure 8

Figure 8: Performances Comparison for a Rotating Shaft Suspended by 4-Axis Radial Active Magnetic Bearings via <svg style="vertical-align:-3.294pt;width:13.775px;" id="M1" height="13.825" version="1.1" viewBox="0 0 13.775 13.825" width="13.775"  xmlns="http://www.w3.org/2000/svg">
	<g transform="matrix(1.25,0,0,-1.25,0,13.825)">
		<g transform="translate(72,-60.94)">
			<text transform="matrix(1,0,0,-1,-71.95,64.27)">
				<tspan style="font-size: 17.93px; " x="0" y="0">𝜇</tspan>
			</text>

		</g>
	</g>
</svg>-Synthesis, Loop-Shaping Design, and Sub<svg style="vertical-align:-4.50008pt;width:49.775002px;"  height="20.887501" version="1.1" viewBox="0 0 49.775002 20.887501" width="49.775002"  xmlns="http://www.w3.org/2000/svg">
	<g transform="matrix(1.25,0,0,-1.25,0,20.8875)">
		<g transform="translate(72,-55.29)">
			<text transform="matrix(1,0,0,-1,-71.95,59.83)">
				<tspan style="font-size: 17.93px; " x="0" y="0">(</tspan>
				<tspan style="font-size: 17.93px; " x="5.9716892" y="0">𝐻</tspan>
				<tspan style="font-size: 17.93px; " x="21.627197" y="0">)</tspan>
			</text>

			<text transform="matrix(1,0,0,-1,-44.35,55.34)">
				<tspan style="font-size: 12.55px; " x="0" y="0">∞</tspan>
			</text>

		</g>
	</g>
</svg>with Uncertainties 

Figure 8 | Performances Comparison for a Rotating Shaft Suspended by 4-Axis Radial Active Magnetic Bearings via 
	
		
			
				𝜇
			

		
	
-Synthesis, Loop-Shaping Design, and Sub
	
		
			
				(
				𝐻
				)
			

			
				∞
			

		
	
with Uncertainties 

Modelling and Simulation in Engineering

Performances Comparison for a Rotating Shaft Suspended by 4-Axis Radial Active Magnetic Bearings via 𝜇 -Synthesis, Loop-Shaping Design, and Sub ( 𝐻 ) ∞ with Uncertainties

Figure 8

Performances Comparison for a Rotating Shaft Suspended by 4-Axis Radial Active Magnetic Bearings via -Synthesis, Loop-Shaping Design, and Subwith Uncertainties