Power bus control for series hybrid heavy-duty vehicles

Abstract

Heavy-duty vehicles OEMs have an increasing interest in alternative power train solutions. To gain benefits of hybrid power train, proper power bus control must be implemented. Control strategy refers to means necessary to meet duty cycle power demands while maintaining vehicle performance. Cascading controlling strategy division is proposed. Control method layering proposition is presented and control methods are divided into two categories, reactive and predictive methods. Finally these methods are implemented in series hybrid energy system model. Implemented reactive methods are load-based control, voltage-based control, voltage/load hybrid control and peak shaving control. Load data is measured data from electrical power train straddle carrier. One vehicle state predictive control method is implemented. Results are evaluated and discussed.

Load sharing control of dual energy storage power system in heavy duty series hybrid vehicles

“…This creates constraints for controller design but repetitiveness also means predictability which can be used as an asset in controller design. Controller design has hierarchical constraint structure, where simulation targets are given priority [13]. Failure to hit targets of higher priority, nulls meaningfulness of hitting targets of lower priority.…”