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What does it mean by "machine in open loop state"?

Please consider a typical Asphalt Paver Machine.  What does it mean by machine open loop state is TRUE or FALSE?


Thank you!
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naseeam
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naseeam
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naseeamAuthor Commented:
We have a propulsion open loop control flag.  What is propulsion?  It looks like there is also an open loop event.  Is closed loop the correct state to be in?  And probably event occurs if we are in open loop.
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Michael-BestCommented:
"What is propulsion?"

Modern Asphalt Paver Machines are self-propelled (driven) using hydrostatic propel system.
The hydrostatic drive system or hydrostatic propel system
eliminates chains and other mechanical linkages between the diesel engine and final drive components.

Is closed loop the correct state to be in?

Yes.
The asphalt pavers developed today are driven using hydrostatic closed-loop systems.
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Michael-BestCommented:
What does it mean by "machine in open loop state"?
"We have a propulsion open loop control flag. It looks like there is also an open loop event."

A pressure bypass ( displacement control ) occuring in the closed loop system.
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