Segmented Gyroscope Rotor for Marine Roll Stabilization
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Solution Overview
Problem
Existing gyroscope rotors for marine vessels are inefficient in stabilizing roll around both longitudinal and transversal axes, requiring additional weighty and costly equipment, and do not provide sufficient moment effect unless high motor speeds are achieved.
Innovation Solution
A rotor design comprising a rotor upper and lower part with annular housings and separate inner cores, attached along the rotor rotation axis, integrated with a gyroscopic roll stabilizing device that includes sensors and an electronic controller to actively stabilize roll by swinging the rotor around a swing axis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If an integral rotor form is used, then structural simplicity is improved, but sufficient moment effect cannot be achieved unless relatively higher motor speeds are attained
Solution Approach 1:
The rotor is divided into an upper part and a lower part that can be separately manufactured and then assembled together. This segmentation allows for optimization of each part's moment of inertia independently, enabling sufficient moment effect to be achieved without requiring excessively high motor speeds, while still maintaining relatively simple overall structure.
2Reliability
If two different stabilizing devices are used along two axes, then roll stabilization around both longitudinal and transversal axes is improved, but weight and cost increase
Solution Approach 1:
A single gyroscope device with a rotor designed to have optimized moment of inertia is used to perform stabilization function for both longitudinal and transversal axes. The rotor's specific design allows it to effectively damp roll motions in both directions, eliminating the need for two separate stabilizing devices and thereby reducing overall weight while maintaining comprehensive roll stabilization capability.
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 design effectively stabilizes marine vessel roll around both axes with reduced weight and cost, utilizing sensors and an electronic controller to optimize motor speed and torque application for efficient roll damping.
Implementation Method 1
When an input force is applied to the rotor axis, the gyroscopic effect forms an output force perpendicular to the input force and this output force creates a moment on an object contacted with the gyroscope
Implementation Method 2
high control moments are obtained by precession of stored angular momentum
Data Source
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AI summary
A rotor for a gyroscope, comprising a rotor upper part (29) and a rotor lower part (30) attached to one another in the direction of rotor rotation axis.