IMU Body Orientation Control for Smooth Real-Time Device Command
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Solution Overview
Problem
Existing control systems for robotic and mechanical devices struggle to provide quick, accurate, and smooth directional and proportional control, especially when user inputs need to be processed in real-time.
Innovation Solution
A control apparatus comprising a sensor module with an inertial measurement unit (IMU) worn on a user's body part, which detects body input and transmits it to a device module. The device module then translates this input into the orientation of the body part and commands the associated device accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If traditional control systems are used to manipulate robotic and mechanical devices, then device control is achieved, but the control lacks quick response, accuracy, and smooth directional control
Solution Approach 1:
The patent replaces traditional mechanical control systems with an inertial measurement unit (IMU) based sensing system. The IMU detects body movements and orientations through inertial sensors (accelerometers and gyroscopes), translating physical movements into electronic signals that control the device. This substitution enables quicker response times and more accurate control by directly capturing the user's intent through inertial measurement rather than mechanical actuation.
Solution Approach 2:
The system changes the control parameters from discrete mechanical inputs to continuous inertial measurement data. By measuring acceleration, angular velocity, and orientation angles in real-time, the system creates a proportional control mechanism where the degree of body movement directly correlates to the device's response magnitude, enabling smooth and accurate directional control.
2Ease of operation
If traditional control systems are used, then device operation is achieved, but smooth directional and proportional control is not provided
Solution Approach 1:
The IMU system continuously monitors body orientation and movement, providing real-time feedback about the user's positional state. This feedback loop allows the system to maintain accurate tracking of directional input and make proportional adjustments, ensuring smooth control without loss of directional information. The inertial sensors constantly update the system's understanding of body orientation, preventing information loss during dynamic movements.
3Ease of operation
If body input detection is implemented, then intuitive control is achieved, but processing latency increases
Solution Approach 1:
The inertial measurement unit continuously samples and pre-processes body movement data even before a control command is fully formed. By maintaining a ready stream of processed inertial data, the system eliminates the need for real-time computation delays when a control input is initiated, thus reducing processing latency while preserving intuitive control responsiveness.
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 and intuitive control of devices by accurately translating user body inputs into device commands, providing smooth and proportional control with minimal latency.
Implementation Method 1
The at least one sensor module is adapted to be worn by a user on at least one body part with the inertial measurement unit detecting body input
Data Source
AI summary
A system for control of a device includes at least one sensor module detecting orientation of a user's body part. The at least one sensor module is in communication with a device module configured to command an associated device. The at least one sensor module detects orientation of the body part. The at least one sensor module sends output signals related to orientation of the user's body part to the device module and the device module controls the associated device based on the signals from the at least one sensor module.