Linear Displacement Stabilization for Payload Orientation Retention
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Solution Overview
Problem
Existing passive damping systems can cause undesired relative angular movements of a payload with respect to a movable carrier, especially when the damping center is not aligned with the payload's center of mass, leading to performance impairments in motion-sensitive equipment.
Innovation Solution
A passive stabilization system (PSS) comprising a linear displacement subsystem (LDS) and a damping subsystem, where the LDS enables three-dimensional linear displacement of the payload relative to the carrier, minimizing angular movements and maintaining a stable relative orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If passive damping devices are used to absorb oscillatory movements, then vibration isolation is improved, but undesired relative angular movements of the payload are caused
Solution Approach 1:
A linear displacement subsystem (LDS) is introduced as an intermediary between the payload and carrier. The LDS includes linear ball bearings that enable linear movement of the payload relative to the carrier, preventing the conversion of linear vibrations into angular movements while maintaining vibration isolation through the damping subsystem.
Solution Approach 2:
The stabilization system is divided into two independent functional subsystems: a damping subsystem for absorbing oscillatory movements and a linear displacement subsystem for preventing angular movements. This segmentation allows each subsystem to perform its specific function without interfering with the other, resolving the contradiction between vibration isolation and angular stability.
2Loss of energy
If damping center is not aligned with payload center of mass, then damping effectiveness is improved, but angular movements are enhanced
Solution Approach 1:
The linear displacement subsystem acts as a mediator that decouples the damping center from the payload center of mass. By allowing linear movement through ball bearings, the system can position the damping center optimally for energy dissipation while preventing this misalignment from causing angular movements of the payload.
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 PSS effectively reduces or prevents angular movements of the payload, ensuring stable orientation and performance of motion-sensitive equipment even under vibrations, shocks, and misalignment conditions.
Implementation Method 1
the LDS is configured to enable a three dimensional (3D) linear displacement of the payload in respect to the carrier
Implementation Method 2
Typical passive damping devices/systems include one or more dampers made of elastic materials or elements such as springs, rubber elements, sponge elements etc. That can naturally absorb mechanical forces/oscillations/vibrations/accelerations/shocks by way of energy dissipation
Implementation Method 3
one or more dampers made of elastic materials or elements such as springs, rubber elements, sponge elements etc.
Data Source
AI summary
A passive stabilization system (PSS) for stabilizing a payload being carried by a carrier, the PSS nay include a linear displacement subsystem (LDS), fixedly connectable to the carrier at one side thereof and fixedly connectable to a payload at another side thereof, such that the LDS is located between the payload and the carrier. The LDS may be configured to enable a three-dimensional (3D) linear displacement of the payload in respect to the carrier, for reducing responsive relative angular movements of the payload in respect to the carrier, for maintaining a stable relative angular orientation of the payload in respect to the carrier.