Control system
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Solution Overview
Problem
Existing control systems for directing actuators, such as air cannons or airflow devices, face challenges in accurately targeting a target without imposing heavy loads on users, particularly when the imaging unit and actuator are installed at different positions, requiring complex measurements of positional and angular relationships.
Innovation Solution
The control system employs a homography transformation matrix to transform the direction of the actuator into virtual plane coordinates, allowing for easier association of sensor information with actuator operations, reducing user load by measuring only four sets of coordinate relationships, and using a control unit to adjust the actuator's direction based on target position coordinates and transformation characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the imaging unit and actuator are installed at different positions, then the system design flexibility is improved, but the complexity of measuring positional and angular relationships increases
Solution Approach 1:
The patent introduces a plane (such as a wall or reference surface) as an intermediary element between the imaging unit and actuator. By measuring position coordinates on this intermediate plane rather than directly between the imaging unit and actuator, the system decouples the positional relationship measurements, making installation more flexible while keeping measurements manageable.
Solution Approach 2:
The patent creates a virtual model (homography transformation matrix) that copies and represents the spatial relationship between the imaging unit and actuator through coordinate transformations on a reference plane. This virtual model allows the system to account for different installation positions without requiring complex direct measurements between components.
2Measurement precision
If complex measurements of positional and angular relationships are required, then the accuracy of actuator targeting is improved, but the user burden increases
Solution Approach 1:
The patent extracts the complex three-dimensional spatial relationship measurements and replaces them with simpler two-dimensional position coordinate measurements on a reference plane. This extraction reduces the measurement burden from complex 3D positional and angular relationships to simpler 2D coordinates while maintaining sufficient targeting accuracy through the homography transformation.
Solution Approach 2:
The patent changes the measurement parameters from three-dimensional spatial coordinates and angular relationships to two-dimensional position coordinates on a reference plane. This parameter transformation, implemented through the homography transformation matrix, simplifies the measurement process while preserving the essential information needed for accurate actuator targeting.
3Measurement precision
If three-dimensional imaging units or special sensors are used, then the precision of target acquisition is improved, but the system cost increases
Solution Approach 1:
The patent replaces expensive three-dimensional imaging units and special sensors with conventional two-dimensional imaging units. By using the homography transformation to compensate for the dimensional reduction, the system achieves comparable targeting precision with significantly lower cost components, effectively substituting expensive equipment with more economical alternatives.
Data Source
AI summary
A control system includes an imaging unit that acquires an image of a plane including a target, an actuator that provides physical action to the target, and a control unit that controls the actuator. The control unit includes a setting unit that uses a relationship between four or more different position coordinates on the plane and directions of the actuator corresponding to the four or more different position coordinates to set a transformation characteristic of transformation of any position coordinates on the plane into a direction of the actuator. The control unit includes an adjustment unit that uses position coordinates of the target on the plane and the transformation characteristic to adjust the direction of the actuator so that the physical action is provided to the target.