Simulation of hydraulic regenerative braking system test-rig for hyro-pneumatic driveline

Kesavan, Vimalleshwaran (2021) Simulation of hydraulic regenerative braking system test-rig for hyro-pneumatic driveline. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The main advantages of hybrid vehicle are to capture the energy and reuse to save fuel consumption because consuming more fuels lead to many negative impacts to nature. This study builds the necessary simulation models for the hydraulic regenerative braking system which can be installed in normal cars. This research aims to design and run an experiment on hydraulic regenerative braking using Automation Studio software. Using the help of the electric motor, the flywheel will spin using inertial force and hydraulic fluid is forced to flow from the bi-directional pump into the high-pressure accumulator. The amount of hydraulic fluid transmitted would be the same as the amount of hydraulic fluid obtained, because the system is a closed system. The simulation results indicate the maximum liquid volume stored in a high-pressure accumulator is 17.86062 L. According to simulation’s results, the overall efficiency of the system is satisfactory and has great efficacy on implementing in a real vehicle, even though the percentage and the pace of energy recovery are dependent on many factors. The schematic diagram can be used in further research by changing the diameter of the flywheel to create a bigger moment of inertia.

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