Paddle Braking Load Scheduling to Cut Battery Energy Loss
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Solution Overview
Problem
Energy loss occurs during charging and discharging processes of batteries in vehicles utilizing regenerative braking, which reduces the overall energy efficiency of the system.
Innovation Solution
A system and method that schedules the operation of loads other than the drive motor using energy generated by regenerative braking without storing it in the battery, optimizing energy use through a control unit that divides the braking process into distinct sections and manages energy distribution accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If regenerative braking energy is stored in a battery, then the energy can be preserved for later use, but energy loss occurs during charging and discharging processes
Solution Approach 1:
The patent extracts the energy directly from the regenerative braking process and applies it immediately to operational loads without routing it through battery storage. This extraction approach eliminates the charging/discharging cycle and associated energy losses while still providing useful energy to the vehicle systems.
Solution Approach 2:
The control unit performs preliminary scheduling of load operations to coincide with the regenerative braking energy generation window. By pre-planning which loads should operate during the braking period, the system ensures that energy is utilized at the moment of generation rather than being stored and later discharged with losses.
2Loss of energy
If regenerative braking energy is used directly for loads without battery storage, then energy loss is reduced, but the energy cannot be stored for future use
Solution Approach 1:
The system dynamically adjusts load scheduling based on real-time regenerative braking opportunities and vehicle operational requirements. The control unit continuously monitors braking events and flexibly assigns loads to operate during these windows, creating a dynamic energy utilization system that adapts to varying conditions rather than relying on static storage.
Solution Approach 2:
The patent maintains continuous useful action by scheduling loads to operate during regenerative braking periods, ensuring that energy is continuously utilized whenever generation occurs. This approach keeps the energy flow active and productive throughout the braking window rather than interrupting for storage and later retrieval.
3Loss of energy
If the braking process is divided into multiple sections with load scheduling, then energy efficiency is improved, but the control system complexity increases
Solution Approach 1:
The control system segments the braking process into distinct time sections (first braking section, second braking section, etc.) with specific load scheduling for each. This segmentation allows precise control over when different loads operate, maximizing energy utilization while organizing the control logic into manageable discrete segments rather than a monolithic complex system.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Reduces energy loss by minimizing battery discharge and charging inefficiencies, thereby enhancing the overall energy efficiency of the vehicle system.
Implementation Method 1
Regenerative braking converts the kinetic energy of a motor into electrical energy to perform braking
Data Source
AI summary
A system and method for controlling charge and discharge using paddle braking, which is capable of improving energy efficiency of an entire system by scheduling other loads except for a drive motor and using some of the energy generated by regenerative braking to operate the loads according to the scheduling thereof without storing it in a battery, includes an input unit configured to input a braking command to a vehicle, a regenerative braking unit configured to perform driving and regenerative braking of the vehicle, a load unit including a plurality of other loads using electrical energy charged in a battery, and a control unit configured to receive the braking command and control braking and regenerative braking.