Handheld Power Tool Adaptive Parameter Control via Sensor Feedback
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Solution Overview
Problem
Handheld power tools lack an efficient method to dynamically set parameters based on real-time sensor data from internal and external sensor units, limiting their operational efficiency and adaptability to varying conditions.
Innovation Solution
A method that utilizes internal and external sensor units to record characteristic variables, process them into parameter outputs, and transmit these to a control unit to set operating parameters, enabling adaptive operation and information feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If sensor units and data processing units are integrated into the handheld power tool, then operational efficiency and adaptability are improved, but device complexity increases
Solution Approach 1:
The patent combines multiple functional units (sensor units, data processing units, control units) into an integrated system within the handheld power tool. This merging approach enables real-time parameter adjustment based on sensor data while maintaining a cohesive device architecture that manages complexity through systematic integration.
Solution Approach 2:
The control unit serves multiple functions: it receives data from various sensor units, processes this information, determines optimal parameters, and adjusts operating conditions accordingly. This multi-functionality allows a single component to handle diverse tasks, improving adaptability without proportionally increasing overall device complexity.
2Productivity
If real-time sensor data processing is implemented, then operational efficiency is improved, but energy consumption increases
Solution Approach 1:
The system implements a feedback loop where sensor units continuously monitor operating conditions, the control unit processes this data in real-time, and adjusts parameters accordingly. This closed-loop feedback enables optimized energy usage by adapting power tool operation to actual working conditions, improving productivity while managing energy consumption through intelligent control.
Solution Approach 2:
The patent employs dynamic parameter adjustment based on real-time sensor input. Rather than operating at fixed settings, the power tool continuously adapts its operating parameters (such as speed, power, or mode) according to current conditions, enabling efficient energy utilization while maintaining high productivity across varying work scenarios.
Data Source
AI summary
A method for setting at least one parameter of a handheld power tool includes recording at least one first characteristic variable using at least one internal sensor unit or an external sensor unit and transmitting the first characteristic variable to at least one of (i) an internal data processing unit and (ii) an external data processing unit. The method further includes processing the first characteristic variable into at least one of (i) at least one first parameter output and (ii) an output of a combination of parameters and transmitting using a communication unit to at least one of (i) an internal open-loop and (ii) a closed-loop control unit. The method further includes calculating from the first parameter output at least one operating parameter of the handheld power tool and setting it on the handheld power tool.