Electric Drive Unit Type-Dependent Control for Tool Detection
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Solution Overview
Problem
Existing electric drive units lack the ability to automatically and efficiently operate different types of tool units, such as rotary and non-rotary tools, without user intervention or direct identification, leading to suboptimal performance and potential issues like blockages or inefficient energy use.
Innovation Solution
A method and system that automatically detect operating data from the drive unit to determine whether a coupled tool unit is rotary or non-rotary, allowing for type-dependent control modes to optimize operation, recognize potential problems, and adjust parameters like speed and torque to prevent issues like blockages or snagging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the drive unit operates without type-dependent control, then the operation is simple, but the performance is suboptimal and issues like blockages occur
Solution Approach 1:
The drive unit automatically determines the tool unit type by analyzing operating data from its own sensors without external intervention. The control device performs self-diagnosis by evaluating operating characteristics such as current consumption, speed, and torque patterns to identify whether a rotary or non-rotary tool unit is coupled, enabling the system to serve itself in configuring optimal control parameters.
Solution Approach 2:
The control device continuously monitors operating data from sensors and uses this feedback to determine the tool unit type. By analyzing the feedback signals regarding current, speed, and torque characteristics, the system dynamically adjusts control parameters to match the detected tool type, improving operational reliability through closed-loop control.
2Productivity
If the drive unit uses automatic type determination, then the operation efficiency is improved, but the detection complexity increases
Solution Approach 1:
The patent replaces manual mechanical identification methods with automatic electronic detection. Instead of requiring physical inspection or mechanical coupling mechanisms to identify tool type, the system uses electronic sensors and control algorithms to automatically determine tool unit type based on electrical and operational characteristics, significantly improving productivity while managing detection complexity through software-based solutions.
Solution Approach 2:
The system determines tool unit type by monitoring changes in operating parameters such as current consumption, rotational speed, and torque requirements. By analyzing how these parameters change under different operating conditions, the control device can distinguish between rotary and non-rotary tool units without complex detection hardware, maintaining simplicity while improving operational efficiency.
3Use of energy by moving object
If the drive unit uses generic control mode, then the control is simple, but energy consumption is inefficient
Solution Approach 1:
The control device applies different control strategies tailored to the specific tool unit type detected. Instead of using a uniform generic control mode, the system adjusts control parameters locally according to whether a rotary or non-rotary tool is coupled, optimizing energy efficiency for each specific application while maintaining manageable overall system complexity through modular control logic.
Data Source
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AI summary
The invention relates to a method for operating an electric drive unit (AE) in a type-dependent manner, wherein the drive unit (AE) is configured for coupling and driving a tool unit (WE), the tool unit (WE) being selected from a set of different types of tool units (WE), the set comprising at least one rotary tool unit (RWE) and at least one non-rotating tool unit (NRWE), the method comprising the steps of: a) driving a coupled tool unit (WE) by the drive unit (AE), b) acquiring operating data (BD) of the drive unit (AE) during driving, c) determining, based on the acquired operating data (BD), whether the coupled tool unit (WE) is a rotary tool unit (RWE) or a non-rotating tool unit (NRWE), and d) controlling the drive unit (AE) in a rotational control mode.if the coupled tool unit (WE) is defined as a rotary tool unit (RWE), or a non-rotational control type if the coupled tool unit (WE) is defined as a non-rotational tool unit (NRWE).