Linear Generator Velocity Magnification for Vehicle Suspension Energy Capture
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Solution Overview
Problem
Conventional linear generators in vehicles are inefficient in capturing kinetic energy from road vibrations due to their design limitations, which results in significant energy loss and inefficiencies, especially on varying road surfaces and with heavier vehicles.
Innovation Solution
A magnified linear power generation system that includes a linear power generator with a mechanical magnification component, which increases the velocity of the mover within the stator to enhance energy capture, allowing for more efficient conversion of kinetic energy into electrical energy, using a stator with bobbin-wound coils and a mover with magnets separated by a material, and a biasing component to position the mover effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a traditional linear generator is used to capture kinetic energy from suspension movement, then electrical energy can be generated, but the system captures less than 40% of available energy due to limited velocity and stroke
Solution Approach 1:
A mechanical magnification component is introduced as an intermediary between the suspension system and the linear generator. This component magnifies the velocity and stroke of suspension movement before it reaches the generator mover, enabling the generator to capture a much larger portion (up to 80%) of the available kinetic energy from road vibrations while maintaining compatible operating parameters.
Solution Approach 2:
The mechanical magnification component transforms the velocity and stroke parameters of the suspension movement. By magnifying these parameters before they reach the linear generator, the system overcomes the limitation of traditional generators that operate at constant velocity and stroke, thereby significantly improving energy capture efficiency across varying road conditions.
2Adaptability or versatility
If the linear generator is designed for constant velocity and stroke, then the generator structure is simplified, but it cannot adapt to the wide variety of road surface quality that creates different velocity and stroke conditions
Solution Approach 1:
The mechanical magnification component serves as an adaptive intermediary that handles the complexity of varying road conditions. It converts diverse suspension movements (caused by different road surfaces) into standardized magnified motion for the linear generator, allowing the generator to operate at optimal constant parameters while the system adapts to any road condition.
Solution Approach 2:
The mechanical magnification component introduces dynamic adaptability to the system. While the linear generator itself operates at constant velocity and stroke, the magnification component dynamically adjusts to varying suspension movements caused by different road surfaces, enabling the overall system to adapt without complicating the generator's internal structure.
3Loss of energy
If conventional linear generators are used, then the system structure is simpler, but energy is dissipated from mechanical motion with significant losses on varying road surfaces
Solution Approach 1:
The system converts the previously harmful energy dissipation from suspension movement into useful electrical energy. By capturing up to 80% of the kinetic energy that would otherwise be lost to road vibrations and converting it to electricity, the system transforms energy waste into a beneficial power source for vehicle systems.
Solution Approach 2:
The mechanical magnification component enables efficient energy capture by bridging the gap between the low-velocity suspension movement and the generator's optimal operating parameters. This intermediary allows the system to capture energy that would otherwise be dissipated, significantly improving overall vehicle energy efficiency.
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
The system effectively captures a higher percentage of available energy, improving vehicle efficiency and reducing energy losses, with the potential to capture up to 80% of the available energy in targeted drive cycles, compared to conventional systems which capture less than 40%, while also reducing the size and weight of the power generation system.
Implementation Method 1
The mover can utilize the magnified velocity to move along the stator such that the linear power generator outputs electrical energy
Implementation Method 2
the mechanical magnification component may magnify the input velocity while decreasing the input force and output the magnified velocity to the mover
Data Source
AI summary
A magnified linear power generation system. The magnified linear power generation system may be used with a vehicle and include a mechanical magnification component and a linear power generator. The linear power generator can have a mover and a stator. The mechanical magnification component can be coupled at opposite ends to the mover and to a force receiving surface of the vehicle. When the mechanical magnification component receives a force and a velocity from the force receiving surface, the mechanical magnification component may magnify the velocity and transfer the magnified velocity to the mover. The mover may move along the stator and convert the input mechanical energy into electrical energy. The mover may be coupled to a biasing component distal from the mechanical magnification component. The biasing component can apply a biasing force to the mover to position the mover at a neutral location in the linear power generator.