VTOL Stator Stabilization for Rotor Alignment and Low Noise
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Solution Overview
Problem
Existing VTOL platforms using magnetic levitation suffer from dynamic instability and inefficiencies, leading to reduced performance and increased noise, making them less viable for urban environments and personal use.
Innovation Solution
A system comprising a stator with coils and a rotor with magnets, controlled by a controller that adjusts the stator fields to maintain alignment and generate electromagnetic forces for stable levitation and propulsion, using a direct electric powertrain to reduce mechanical noise and improve efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If magnetic levitation systems are used for VTOL platforms, then lift and propulsion forces are generated, but dynamic instability occurs which limits performance and reduces system efficiency
Solution Approach 1:
The patent implements active feedback control systems with sensors that continuously monitor rotor-stator alignment and control systems that adjust electromagnetic field generation in real-time to counteract disturbances and maintain stable levitation, directly resolving the dynamic instability issue while preserving lift and propulsion capabilities
2Productivity
If conventional magnetic levitation systems are used, then VTOL capability is achieved, but noise levels increase and efficiency decreases
Solution Approach 1:
The patent replaces conventional mechanical propulsion systems with electromagnetic field-based propulsion, eliminating mechanical noise sources while maintaining VTOL capability. The electromagnetic actuators generate forces without mechanical contact or combustion, significantly reducing noise levels and improving overall system efficiency
3Device complexity
If rotor-stator alignment is not actively controlled, then system complexity is reduced, but misalignment occurs which reduces performance
Solution Approach 1:
The patent employs sensor systems that detect rotor-stator alignment and feedback control mechanisms that actively adjust electromagnetic field generation to maintain optimal alignment, ensuring high performance while managing system complexity through intelligent control algorithms
Solution Approach 2:
The patent implements dynamic alignment control where the electromagnetic field generation is continuously adjusted based on real-time rotor position and operational conditions, allowing the system to adapt and maintain optimal performance across varying flight phases and external disturbances
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 achieves stable vertical takeoff and landing with reduced noise and improved efficiency, enabling quieter operation suitable for urban environments and personal use.
Implementation Method 1
a stator comprising a plurality of coils. Each coil of the plurality of coils can output a respective stator field. The rotor can comprise a plurality of magnets to be driven by the respective stator fields outputted by the plurality of coils
Implementation Method 2
The plurality of actuators can be coupled with the coil segments to drive a respective rotor blade using the respective stator field
Implementation Method 3
VTOL platforms can rely on magnetic levitation systems to create lift and propulsion forces
Data Source
AI summary
A system can include a stator and a rotor. The system can include one or more components coupled with at least one of the stator or the rotor. The one or more components can mitigate or dampen a misalignment (e.g., displacement) between the stator and the rotor. The one or more components can include at least one component between the stator and a vehicle body. The one or more components can include one or more of a spring, a mass, a damper, or an elastomer.