Hybrid Propulsion Cockpit Throttle for Multi-Mode Power Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Hybrid propulsion systems face challenges in efficiently managing power distribution between electrical energy storage systems and generators, requiring advanced control mechanisms to optimize propulsion and energy usage in vehicles.
Innovation Solution
The implementation of a hybrid propulsion system with a pilot interface that includes throttle controls and a controller to manage power distribution between electrical energy storage systems and generators, allowing for various operational modes such as regeneration, electric-only, and dual-source operation, enabling efficient propulsion and energy management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If power distribution between electrical energy storage systems and generators is managed using conventional control mechanisms, then system operation is maintained, but power management efficiency is insufficient
Solution Approach 1:
The control mechanism is segmented into multiple independent controllers, each managing specific functions: a power management controller that receives pilot inputs and generates control signals, a generator controller that manages generator output, and an energy storage controller that manages battery charge/discharge. This segmentation allows each controller to specialize in specific power management tasks, improving overall efficiency while maintaining manageable complexity through modular design.
Solution Approach 2:
The control system dynamically adjusts power distribution between the generator and energy storage system based on real-time operating conditions. The power management controller continuously monitors system state and modifies control signals to optimize the ratio of electrical to mechanical power, enabling adaptive power management that responds to changing flight conditions and power demands.
2Adaptability or versatility
If multiple operational modes are implemented for power distribution, then versatility of operation is improved, but control system complexity increases
Solution Approach 1:
The power management controller is designed as a universal control device that handles multiple operational modes through a single integrated system. It can manage electric-only operation, hybrid operation with generator support, battery charging modes, and various power distribution ratios, all through one controller that adapts its control strategy based on the selected mode and current system state.
Solution Approach 2:
The system provides preliminary action by pre-configuring multiple operational modes and having the power management controller automatically select and transition between them based on system conditions. The controller is pre-programmed with control algorithms for different operating scenarios, allowing seamless mode transitions without requiring complex real-time decision-making logic.
3Use of energy by moving object
If electrical power ratio is dynamically adjusted between generator and energy storage system, then power utilization efficiency is improved, but control precision requirements increase
Solution Approach 1:
The control system incorporates feedback mechanisms where the power management controller continuously monitors the actual power output from the generator and energy storage system, compares it with the desired power distribution, and adjusts control signals accordingly. This closed-loop feedback ensures precise control of the electrical to mechanical power ratio while maintaining efficient power utilization.
Solution Approach 2:
The system dynamically changes operational parameters including the power distribution ratio, generator output level, and battery charge/discharge rate based on flight conditions and power demands. The power management controller adjusts these parameters in real-time to optimize power utilization efficiency while maintaining control precision through coordinated parameter modification across multiple system components.
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
This solution enables efficient power management, allowing vehicles to operate optimally in different modes, extending operational times and reducing fuel consumption by effectively utilizing both electrical and combustion energy sources.
Implementation Method 1
a first generator configured to convert the rotational mechanical energy into electrical energy for output onto the first electrical bus
Implementation Method 2
electrical machines may be configured to drive a respective propulsor of one or more propulsors using electrical energy received from at least one of the one or more electrical busses
Data Source
AI summary
An example system includes a throttle control for managing power in a hybrid propulsion system that includes an electrical propulsion unit configured to operate using electrical energy sourced from an electrical energy storage system (ESS) and/or one or more electrical generators, the throttle control comprising: a control lever movable through a plurality of positions, the plurality of positions including: a regeneration position; an off position; a maximum electric only position; a maximum continuous dual source position; and a maximum non-continuous dual source position.