Micromanipulator Input Switching for Position Alignment
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Solution Overview
Problem
In micromanipulation systems, the correspondence between joystick input positions and actual manipulator positions can be discontinued, leading to malfunctions.
Innovation Solution
A manipulation system with a joystick and button switch configuration that restricts movement when the correspondence is disrupted, allowing the manipulator to be moved only to a stored position, ensuring accurate alignment and reducing malfunctions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the manipulator allows movement by both the first input unit (joystick) and the second input unit (button switch) simultaneously, then the ease of operation is improved, but the reliability deteriorates due to correspondence discontinuation between input position and actual position
Solution Approach 1:
The system dynamically changes the enabled state of input units based on operational context. The control unit determines whether the first input unit (joystick) or second input unit (button switch) can generate movement commands based on current operational state, creating a dynamic control architecture that adapts to different operating conditions to prevent correspondence discontinuation
Solution Approach 2:
The control unit continuously monitors the operational state and determines the enabled status of each input unit based on feedback from the system state. This feedback mechanism ensures that only appropriate input units are active at any given time, preventing conflicting commands that would cause correspondence discontinuation between input position and manipulator position
2Reliability
If the manipulator restricts movement to only the second input unit (button switch) when correspondence is discontinued, then the reliability is improved, but the ease of operation deteriorates due to limited movement options
Solution Approach 1:
The system dynamically adjusts the enabled state of input units based on operational context. When correspondence discontinuation is detected, the control unit switches to enabling only the second input unit (button switch) for movement commands, providing a restricted but reliable operation mode that prevents malfunctions while maintaining operational capability
3Productivity
If the manipulator allows continuous movement by the first input unit (joystick) without position correspondence verification, then the productivity is improved, but the manufacturing precision deteriorates due to positional errors
Solution Approach 1:
The control unit continuously verifies the correspondence between input position and actual manipulator position. When correspondence is maintained, the first input unit (joystick) remains enabled for continuous movement, ensuring productivity. When correspondence discontinuation is detected, the system restricts joystick movement, preventing positional errors that would compromise manufacturing precision
Data Source
AI summary
A manipulation system includes: a manipulator that operates a microscopic object; a first input unit that generates a first movement command signal for moving the manipulator to a manipulator position corresponding to an input operation position; and a second input unit that generates a second movement command signal for moving the manipulator to a manipulator stored position stored in a storage. When the input operation position of the first input unit is a predetermined input operation position, the manipulator is enabled to be moved by an operation of the first input unit, or the manipulator is enabled to be moved by an operation of the second input unit.