Motion Simulator Segmented Base for Yaw Control

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Solution Overview

Problem

Conventional motion simulators face challenges with high inertial forces and weight, making it difficult to quickly and accurately control yaw and are cumbersome to move due to their heavy and complex lower support structures.

Innovation Solution

A motion simulator design featuring a rotating plate with mounted motors and casters, a simplified fixing plate, and link units that support an operating frame, allowing for reduced weight and easier installation and movement, with a chain and sprocket mechanism to reduce motor load and enhance yaw control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If a conventional motion simulator uses a heavy base plate and pedestal structure with meshed pinion and driven gear for rotation, then the structure provides stable support, but the inertial force increases making it difficult to quickly and accurately control yaw and requiring high motor load

Engineering Contradiction:
Improvestructural stabilityVSAvoidyaw control responsiveness
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The motion simulator is divided into separate functional modules: a rotating plate for yaw movement, a pedestal for pitch movement, and an operating frame for roll movement. This segmentation allows each module to be optimized independently, reducing the moment of inertia of the rotating plate while maintaining overall structural stability through the pedestal's support structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements dynamic movement capabilities where the rotating plate can rotate horizontally for yaw control, the pedestal can tilt for pitch control, and the operating frame can move for roll control. This dynamic multi-degree-of-freedom structure enables quick and accurate yaw response by allowing independent rotation of the rotating plate without being constrained by the weight of the entire simulator structure.

Inventive Principle:
Principle #15Dynamics

2Stability of the object's composition

If a conventional motion simulator uses a heavy pedestal and base plate structure, then the lower support structure is stable, but the overall weight increases making the apparatus difficult to move and install

Engineering Contradiction:
Improvelower support stabilityVSAvoidapparatus weight
Core Design Contradiction:
Stability of the object's compositionVSWeight of moving object

Solution Approach 1:

The support structure is segmented into a rotating plate mounted on a pedestal, with the pedestal serving as both a support structure and a pitch actuator. This segmentation allows the use of lighter materials and simpler construction for the rotating plate while maintaining stability through the pedestal's vertical support, reducing overall apparatus weight compared to conventional heavy base plate designs.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The pedestal serves multiple functions: it provides vertical support for the rotating plate, enables pitch movement through tilting, and acts as a structural connection between the rotating plate and the operating frame. This multi-functionality eliminates the need for separate heavy support structures, reducing overall apparatus weight while maintaining stability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Stability of the object's composition

If a conventional motion simulator uses a complex lower supporting structure with pedestal and base plate, then the structure provides adequate support, but the manufacturing cost and complexity increase

Engineering Contradiction:
Improvesupport structure stabilityVSAvoidlower support structure complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The support structure is segmented into modular components: a rotating plate with horizontal rotation capability, a pedestal with pitch tilting capability, and link units connecting to the operating frame. This modular segmentation simplifies manufacturing and assembly compared to conventional integrated heavy base plate structures, while maintaining stability through the coordinated function of each module.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent replaces static heavy support structures with dynamic components that provide stability through controlled movement. The rotating plate rotates horizontally, the pedestal tilts for pitch, and link units enable roll movement, creating a dynamically stable structure that is simpler and less costly to manufacture than conventional static heavy structures.

Inventive Principle:
Principle #15Dynamics

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 enables stable and realistic simulation motions with reduced weight and manufacturing costs, facilitating quick and accurate yaw and easy relocation of the simulator.

Implementation Method 1

a chain and sprocket mechanism to reduce motor load and enhance yaw control

Methodology Applied
Scientific EffectMechanical Advantage: Mechanical Advantage

Data Source

PatentUS9186590B2Motion simulator
Publication Date: 2015.11.17 MOTION DEVICE
  • US9186590B2 patent drawing
  • US9186590B2 patent drawing
  • US9186590B2 patent drawing

AI summary

The present disclosure relates to a motion simulator including a rotating plate, a fixing plate, an operating frame disposed at and spaced apart from an upper portion of the rotating plate, and a plurality of link units coupled between the rotating plate and the operating frame to support and vertically move the operating frame. The rotating plate has a motor mounted through one side thereof and a plurality of casters mounted through a lower surface thereof. The caster is configured such that, when the motion simulator is used, rotation of the caster is inhibited to allow the wheel to roll in the rotational direction of the rotating plate. When the motion simulator is moved, the caster can be unlocked to enable the caster to rotate and the motion simulator to be freely pushed and moved. The fixing plate enables the rotating plate to be rotated and has a driven part.