Image Forming Diagnostics With Adaptive Torque Conversion
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Solution Overview
Problem
Existing image forming systems inaccurately diagnose abnormalities in operation mechanisms due to the use of torque conversion formulas designed for genuine components, which become unreliable when substituted components are used.
Innovation Solution
An image forming system that includes a diagnostic method and a non-transitory computer-readable recording medium, featuring a detector to monitor driving states, a diagnostic section to analyze load torque, and an updater to adjust conversion conditions based on component replacements, ensuring accurate abnormality diagnosis even when genuine components are replaced with substitutes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a torque conversion formula designed for genuine components is used, then accurate torque calculation is achieved for genuine components, but measurement precision deteriorates when substituted components are used
Solution Approach 1:
The patent implements a dynamic conversion condition selection mechanism that automatically switches between different torque conversion formulas based on the detected component type. The system stores multiple conversion conditions corresponding to different component specifications (genuine vs. substituted components) and selects the appropriate formula dynamically, allowing the system to adapt to component changes while maintaining measurement precision.
Solution Approach 2:
The patent changes the parameters of the torque conversion formula based on the component type detected. Different conversion formulas with different parameters are stored for genuine components and substituted components. When a component is replaced, the system updates the conversion condition parameters to match the new component's characteristics, thereby maintaining accurate torque calculations despite component changes.
2Reliability
If component replacement is allowed for business continuity or cost reasons, then system availability is improved, but diagnostic reliability deteriorates due to formula mismatch
Solution Approach 1:
The patent performs preliminary action by pre-storing multiple torque conversion conditions corresponding to different component types (genuine and various substituted components) before component replacement occurs. The system also pre-establishes the mapping between component identification information and the appropriate conversion formulas, so that when replacement happens, the correct formula is already ready for selection, ensuring continuous reliable operation.
Solution Approach 2:
The patent implements a feedback mechanism where the system detects the component type through identification information (such as serial numbers or type codes), compares it with stored component profiles, and automatically selects the corresponding torque conversion formula. This closed-loop feedback ensures that the conversion condition always matches the actual component installed, maintaining diagnostic reliability regardless of component replacement.
Data Source
AI summary
An image forming system conveys a recording medium to form an image. The image forming system includes: a driver to drive an operation mechanism to convey a recording medium or an operation mechanism to form an image on the recording medium; a detector that detects a driving state of the driver; a diagnostic section diagnosing an abnormality of the operation mechanism based on a load obtained by converting a detection result by the detector based on a predetermined conversion condition; and an updater that, when at least one of components of the driver is replaced, updates the conversion condition in accordance with the replaced component.