Title:
A hardware-in-the-loop simulation testbed for emulating hydraulic loads representing the complete dig cycle of a construction machine
A hardware-in-the-loop simulation testbed for emulating hydraulic loads representing the complete dig cycle of a construction machine
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Enes, Aaron R.
Book, Wayne J.
Book, Wayne J.
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Abstract
A hardware-in-the-loop (HIL) simulation testbed is designed to be capable of emulating the entire domain of hydraulic workport loads incident on a test valve during normal work cycle operations of a certain hydraulic construction machine, such as a backhoe or excavator. The HIL testbed is a useful tool during rapid prototyping of control algorithms for the test valve, and for performing controlled experiments with the valve in the context of developing valve control algorithms to improve the overall energy efficiency of hydraulic systems. This paper discusses four key topics: the architecture of the real-time simulation and testbed control process, the modeling and validation of the emulated machine dynamics, the controller development for the HIL testbed, and some initial performance testing of the HIL testbed.
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2008
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Post-print