Self-Balancing Vehicle Gravity Control Mechanism
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Solution Overview
Problem
Conventional self-balancing vehicles face challenges with large size and dimensions due to yaw or steering control structures, limiting their ability to turn around their center of gravity and restricting additional functionalities or accessories in the center portion, while independently movable foot placement sections introduce mechanical and design constraints along with increased costs.
Innovation Solution
A two-wheel self-balancing vehicle design featuring a single foot placement section with integrated gravity sensors and a central control module that generates control signals based on inclination, velocity, and gravity angle signals, eliminating the need for a yaw or steering control structure and allowing for more design flexibility and accessory integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a yaw or steering control structure is used, then turning control is achieved, but the vehicle becomes larger and heavier
Solution Approach 1:
The patent removes the traditional yaw or steering control structure (handle bar structure) from the vehicle design. Instead of using a separate steering mechanism, the invention relies on the user's body inclination and foot placement section tilting to control turning direction, thereby eliminating the heavy steering components and reducing overall vehicle weight.
Solution Approach 2:
The patent replaces the mechanical yaw control structure with a sensor-based control system. MEMS sensors (accelerometers and gyroscopes) detect the user's body inclination and foot placement section tilting, and the control system processes these signals to control wheel rotation for turning, substituting mechanical steering with an electronic sensing and control mechanism.
2Ease of operation
If a yaw or steering control structure is used, then turning control is achieved, but the vehicle structure becomes more complex
Solution Approach 1:
The patent removes the yaw or steering control structure (handle bar structure) from the vehicle design. Instead of using a separate steering mechanism, the invention relies on the user's body inclination and foot placement section tilting to control turning direction, thereby eliminating the heavy steering components and reducing overall vehicle weight.
Solution Approach 2:
The foot placement section serves multiple functions: it supports the user's feet for standing, acts as a control interface for turning through tilting, and integrates the sensor system for detecting user intentions. This multi-functionality eliminates the need for separate steering controls, simplifying the overall vehicle structure.
3Device complexity
If independently movable foot placement sections are used, then yaw control is eliminated, but mechanical constraints and design limitations are introduced
Solution Approach 1:
The patent merges the foot placement section into a single, unified structure that integrates multiple functions. The foot placement section combines user support, turning control interface, and sensor mounting, eliminating the need for independently movable sections while maintaining control capabilities and improving design flexibility.
4Ease of operation
If a yaw or steering control structure is used, then turning control is achieved, but the center portion cannot accommodate additional functionalities
Solution Approach 1:
The patent removes the yaw or steering control structure (handle bar structure) from the vehicle design. Instead of using a separate steering mechanism, the invention relies on the user's body inclination and foot placement section tilting to control turning direction, thereby eliminating the heavy steering components and reducing overall vehicle weight.
Solution Approach 2:
The foot placement section serves multiple functions: it supports the user's feet for standing, acts as a control interface for turning through tilting, and integrates the sensor system for detecting user intentions. This multi-functionality eliminates the need for separate steering controls, simplifying the overall vehicle structure.
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 efficient turning around the center of gravity, supports additional functionalities, and reduces costs by simplifying the mechanical and exterior design, while providing enhanced user experience and safety features.
Implementation Method 1
a first gravity sensor and a second gravity sensor in the foot placement section, the first gravity sensor and the second gravity sensor configured to generate weight signals and gravity angle signals
Data Source
AI summary
A two-wheel, self-balancing vehicle comprises a first wheel and a second wheel, spaced apart and substantially parallel to one another; a foot placement section connecting the first wheel and the second wheel; a set of position sensors in the foot placement section, the set of position sensors configured to generate inclination angle signals and velocity signals of the two-wheel, self-balancing vehicle; a first gravity sensor and a second gravity sensor in the foot placement section, the first gravity sensor and the second gravity sensor configured to generate weight signals and gravity angle signals. In addition, the two-wheel, self-balancing vehicle comprises a control logic configured to output control signals that control the movement of the two-wheel, self-balancing vehicle in response to the inclination angle signals, the velocity signals, the weight signals, and the gravity angle signals.