Fig. 1: Cost comparison between Base Model, Robust Model (k = 1), and Robust Model (k = 2).
From: A resilient battery electric bus transit system configuration
Each parameter in the Robust Model with k = 1 (one charging station failure) and the Robust Model with k = 2 (two charging stations failure) is compared with the Base Model parameter (no charging station failure). These parameters include the system costs, GHG emissions, and energy demand in each period. Each bar represents the parameter’s relative percentage change in Robust Models from the Base Model value. The relative percentage value is estimated using the following formula: (Robust Model parameter value − Base Model parameter value)/(Base Model parameter value).
