Design, Development And Performance Of A Power Generating Suspension System For Energy Harvesting In Commercial Vehicles

Focus:

An efficient and commercially viable power generating suspension system (PGSS) enabled with a power generating strut (PGS) and other system components can harvest energy created from a moving vehicle. Using a new fractional slot concentric winding (FSCW) linear generator design with a mechanical arm in a PGSS allows for energy harvesting at levels that provide substantial value. Leveraging this PGSS with intuitive modifications can eliminate the need for diesel fuel used to power refrigerated trailers or reduce the size of the battery in battery-powered refrigerated trailers. This 28-page article describes the overall power generating suspension system including characterization of random roads, linear actuator design, power electronic conversion and boosting, and system control. The focus here is mainly on the machine design and a novel mechanical magnification is described that increases strut linear velocity and reduces the force level by an inverse proportion. However, the latter sections discuss the power electronics function, first with a three-phase rectifier and boost converter, and alternatively with a Vienna rectifier.

What you’ll learn:

• How to develop a power generating suspension system for energy harvesting in commercial vehicles
• How to analyze, model and simulate performance of a power generating strut

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Author & Publication:

John M. Miller, Jon Hurry, and Elsbeth Hurry, Propitious Technologies, Phoenix, Ariz., How2Power Today, Dec 15 2021

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