Study on regenerative braking system, considerations of design, safety and associated effects

This paper discusses about derivation of potential of regenerative braking from Indian driving perspective and it also evaluates parameters useful for system design using data analysis. The fuel efficiency potential and other calculation results are based on Indian homologation cycle and collection of real world driving data which was condensed into meaningful drive cycles for prominent Indian cities. Component and control strategy requirements are calculated and the compromises that would result due to the calibrations in strategy are quantitatively defined. This enables the engineers to make concrete data driven decisions during system design. The paper also discusses incorporating safety related considerations in system design e.g. Stability during wheel lock, safety from generation at high power, effect of ABS and understanding the effect of an electric regenerative braking system on vehicle chassis behavior while briefly discussing about enhancing regenerative braking potential by changes in system and control design.