ACTIVE ENGINE MOUNTING SYSTEM

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ACTIVE ENGINE MOUNTING SYSTEM
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ENGINE MOUNTING SYSTEM (EMS)

• EMS is used to isolate vehicle body from engine
  vibrations.
• In general, engine vibration is mainly caused by
  unbalanced mass rotation of crank-shaft

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EMS

• Rubber EMS
• Hydraulic EMS
• Active EMS (still in research stage)

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EMS Technology Road-Map
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Rubber Mount Hydro-mount
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EMS with Variable decoupler opening
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MR-EMS developed in Autotronics Lab
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Engine Vibration due to unbalance mass
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Single DOF EMS
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Equations of Motion

• Will be derived during class session

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Active Control of EMS on Single DOF System

• Derived during class session

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Ideal 3 DOF EMS
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Active Control of EMS on Ideal 3 DOF System

• Derived during class session

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Realistic 3 DOF EMS
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Active Control of EMS on realistic 3 DOF System

• Derived during class session