Spherical Drive Housing With Active Biasing for 3D Motion Control
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Solution Overview
Problem
Current self-propelled devices lack advanced control systems and communication methods to efficiently navigate and interact with their environment, particularly in complex scenarios requiring three-dimensional movement and user input processing.
Innovation Solution
A self-propelled device with a drive system, spherical housing, and biasing mechanism, equipped with sensors and a controller device that processes inputs to control movement along X-, Y-, and Z-axes, using wireless communication and programmable logic to interpret user inputs and adjust its orientation and movement accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a spherical device uses simple inertia or spring-based propulsion, then the device structure remains simple, but the device lacks precise control capability and cannot perform complex three-dimensional movements
Solution Approach 1:
The spherical device is segmented into multiple independent drive systems, each with its own motor and wheel assembly. These segmented drive units can be independently controlled to achieve complex three-dimensional movements, precise positioning, and various locomotion modes (rolling, sliding, flipping) while maintaining overall spherical structure
Solution Approach 2:
The drive system employs dynamic control where motors can be selectively activated or deactivated based on desired movement. The biasing mechanism dynamically adjusts wheel engagement with the inner surface, enabling transitions between different movement states and achieving precise control over the sphere's position and orientation
2Adaptability or versatility
If the spherical device incorporates multiple sensors and wireless communication systems, then the device's interaction capability and navigation ability improve, but the device's weight and power consumption increase
Solution Approach 1:
The spherical device integrates multiple sensors (accelerometers, gyroscopes, magnetometers, cameras, microphones) and wireless communication capabilities into a universal platform that can perform various functions including navigation, environmental sensing, user interaction, and data transmission. This multi-functional integration enables the device to adapt to different applications while sharing common hardware resources
Solution Approach 2:
The device uses onboard processors to locally process sensor data and control signals, reducing the need for continuous wireless communication and external processing. The system can autonomously navigate, interpret user inputs, and adjust its behavior based on sensor feedback, thereby reducing overall power consumption compared to cloud-dependent operations
3Reliability
If the drive system uses passive engagement relying on gravity, then the device structure remains simple, but the device cannot maintain consistent engagement on inclined surfaces or during complex maneuvers
Solution Approach 1:
The patent replaces passive gravitational engagement with an active control system that uses motors and biasing mechanisms to maintain wheel engagement with the inner spherical surface. This substitution ensures reliable engagement during inclined surfaces, rapid maneuvers, and transitions between different locomotion modes, overcoming the limitations of gravity-dependent passive engagement
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 precise control and interaction with the self-propelled device in three-dimensional spaces, allowing for complex movements and user-defined actions, enhancing usability and accessibility for various applications, including gaming and navigation.
Implementation Method 1
a biasing mechanism that actively forces the drive system to continuously engage an interior of the spherical housing
Implementation Method 2
The drive system includes one or more motors that are contained within the spherical housing
Data Source
AI summary
A self-propelled device is provided including a drive system, a spherical housing, and a biasing mechanism. The drive system includes one or more motors that are contained within the spherical housing. The biasing mechanism actively forces the drive system to continuously engage an interior of the spherical housing in order to cause the spherical housing to move.