Cross-Arm Motion Platform With Oblique Actuator for Compact Height
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Solution Overview
Problem
Conventional motion simulators have a large volume, requiring significant space and are complex in construction, leading to high manufacturing costs.
Innovation Solution
A motion simulating apparatus with a base, movable platform, cross arm assemblies, and an actuator arranged in a parallelogram configuration, utilizing oblique actuators to reduce height and simplify construction, allowing for stable and smooth motion simulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If conventional actuators are installed vertically, then the actuator can provide sufficient driving force, but the height of the motion simulator increases significantly
Solution Approach 1:
The actuator is reoriented from a vertical installation to an oblique installation at an angle between 15-75 degrees relative to the horizontal direction. This dimensional change in installation angle allows the actuator to provide sufficient driving force while significantly reducing the vertical height occupied by the system.
Solution Approach 2:
The patent employs asymmetric arm length configurations in the cross-shaped arm assemblies, with first and second arms having different lengths from the first arm length to the second arm length ratio of (0.5-2.0). This asymmetric design enables the oblique actuator installation while maintaining structural stability and achieving compact height.
2Adaptability or versatility
If conventional motion simulators are constructed with multiple actuators at different locations and axes, then motion simulation along different axes is achieved, but the construction becomes complex and manufacturing costs increase
Solution Approach 1:
The oblique actuator installation configuration enables a single actuator to effectively drive motion simulation along multiple axes through the parallelogram mechanism and cross-shaped arm assemblies, reducing the need for multiple separate actuators and simplifying the overall construction.
Solution Approach 2:
The patent combines multiple functional components into an integrated parallelogram configuration where the base, movable platform, cross-shaped arm assemblies, and oblique actuator work together as a unified mechanism, simplifying construction while maintaining multi-axis motion simulation capability.
Data Source
AI summary
A motion simulating apparatus and actuating system includes a base; a movable platform arranged above the base; a first cross arm assembly disposed on a first side between the base and the movable platform. The first cross arm assembly includes a first arm and a second arm that are cross-connected to each other; a second cross arm assembly disposed on a second side between the base and the movable platform relative to the first side. The second cross arm assembly includes a third arm and a fourth arm forming an X-shaped connection; an actuator connected obliquely to an upper part of the first arm and the base or the lower part of the third arm to drive the movable platform to move along a first direction or its opposite direction; and a rod is horizontally connected with the upper part of the first arm and an upper part of the third arm. The base, the movable platform, the first arm and the third arm form a substantially parallelogram when the actuator is actuating.