Gyroscopic Rotation Damper Adaptive Control via PD Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for controlling rotation dampers in motor vehicles based on the gyroscopic principle lack effective control mechanisms to quickly react to interferences and efficiently manage damping across varying movement states, particularly in adapting between hard and soft characteristic curves.
Innovation Solution
A method involving a control device that adjusts torque MΘ based on the angle of rotation Θ and angular velocity ωθ of the first bearing element, using a PD characteristic formula and incorporating additional terms for angular velocity ωψ and translational accelerations to optimize damping, allowing for quick reaction to interferences and adaptive damping characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the rotation damper operates with fixed damping characteristics, then the structure is simple, but the damper cannot adapt to different movement states and interference conditions
Solution Approach 1:
The patent implements dynamic damping characteristics by continuously adjusting the damping torque based on real-time detection of rotation angle and angular velocity. The control device modifies the damping force dynamically according to the movement state, transitioning between soft and hard characteristic curves as needed, rather than using a fixed damping setting.
Solution Approach 2:
The control system employs feedback mechanisms by detecting the rotation angle Θ and angular velocity ωθ of the first bearing element, then using this information to adjust the damping torque. This closed-loop control enables the damper to respond to actual movement conditions and adapt its characteristics accordingly.
2Speed
If the damper reacts slowly to interferences, then the control mechanism is simple, but the damping performance during transient disturbances is insufficient
Solution Approach 1:
The control device is pre-configured with PD (proportional-derivative) characteristic curves that define the relationship between rotation state and damping torque. When disturbances are detected, the system immediately applies the appropriate damping characteristics from these pre-established curves, enabling rapid response without complex real-time calculations.
Solution Approach 2:
The patent replaces purely mechanical damping mechanisms with an electronically controlled system that uses sensors and control algorithms to determine damping torque. This substitution of mechanical feedback with electronic control enables faster response times and more precise adjustment of damping characteristics.
3Reliability
If the damper uses only rotation angle for control, then the control is simple, but the response to velocity-dependent disturbances is insufficient
Solution Approach 1:
The control system uses both position feedback (rotation angle Θ) and velocity feedback (angular velocity ωθ) to determine the damping torque. This dual-feedback approach ensures that the damping force is appropriate for both the displacement and the rate of change, providing reliable damping effectiveness across different disturbance conditions.
Solution Approach 2:
The patent changes the control parameters from angle-only to a combination of angle and angular velocity. By incorporating velocity as an additional control parameter, the system can differentiate between slow, large displacements and fast, small disturbances, adjusting the damping torque accordingly for optimal performance.
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
Enables rapid response to disturbances and adaptive damping, effectively managing energy transfer across axes to enhance the damping performance and potentially act as an active chassis actuator, improving the overall control and stability of the rotation damper.
Implementation Method 1
a flywheel driven by a drive about an axis of rotation at the angular velocity ωφ
Implementation Method 2
The resulting precision momentums should/can then be damped
Implementation Method 3
as a manipulated variable is used a torque MΘ that can be adjusted via the shaft motor, so that the control of the manipulated variable MΘ is carried out as a function of the angle of rotation Θ and of the angular velocity ωθ
Data Source
AI summary
A method for controlling a rotation damper operating according to the gyroscopic principle for a motor vehicle, wherein the rotation damper includes a flywheel, which is driven by a drive and rotating about a rotation axis with an angular velocity ωφ, which is cardanically mounted via a first bearing element and via a second bearing element, wherein the flywheel is rotatably mounted on a first bearing element and at a rotation angle φ, and the first bearing element is rotatably mounted on a second bearing means about a first axis that is oriented orthogonally to the rotation axis of the flywheel, and the second bearing element is rotatably mounted at a second rotational angle (ψ).