Drive Device Dimensioning with Torque-Speed Run-Up Visualization
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Solution Overview
Problem
Conventional design tools for drive systems require significant specialist knowledge and do not adequately guide users in the selection and configuration of drive components, leading to suboptimal performance and potential safety risks.
Innovation Solution
A computer-implemented method that interactively guides users by determining and displaying the dependencies of torque on speed for drive components, including a graphical representation of maximum run-up torque and ramp-up/ramp-down times, allowing for real-time adjustments and warnings based on thermal limits, to ensure optimal component selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional design tools are used, then calculation capabilities are provided, but user guidance and decision support are insufficient
Solution Approach 1:
The design tool provides interactive feedback by displaying torque-speed dependencies graphically and indicating which component limits the maximum run-up torque. This feedback mechanism guides users in making informed decisions about component selection and configuration, directly addressing the insufficient decision support in conventional tools.
Solution Approach 2:
The patent introduces an intermediary assessment mechanism that evaluates the compatibility between drive components and provides guided recommendations. This intermediary layer processes the complex interactions between motor, gearbox, and inverter parameters, presenting simplified guidance to users without requiring deep specialist knowledge.
2Reliability
If specialists perform design, then accurate decisions are made, but accessibility to non-experts is limited
Solution Approach 1:
The design tool enables non-expert users to perform self-service design by automatically assessing component compatibility and providing guided recommendations. Users can independently complete the design process without requiring specialist knowledge, while still achieving reliable results through the system's built-in expertise.
Solution Approach 2:
The patent transforms complex design parameters into visually accessible torque-speed graphs and compatibility assessments. By changing the representation from raw numerical data to graphical dependencies with clear indicators, the tool makes specialist-level analysis accessible to users without expert knowledge.
3Manufacturing precision
If detailed calculations are performed, then design precision is improved, but complexity of the tool increases
Solution Approach 1:
The patent extracts the essential design information (torque-speed dependencies and limiting factors) from complex calculations and presents it in a simplified graphical format. By separating the critical assessment data from the underlying computational complexity, the tool maintains high design precision while reducing perceived complexity for users.
Solution Approach 2:
The patent transitions from tabular or numerical presentation of design parameters to a two-dimensional torque-speed graph. This dimensional change allows complex multi-parameter interactions to be visualized simultaneously, improving design precision while making the information more accessible and the tool appear less complex.
Data Source
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AI summary
Computer-implemented method for designing and/or dimensioning a drive device (103) with a rotary electric motor (106) and at least one component (105, 107) connected thereto, comprising: determining the load (104) to be moved by the drive device (103), determining the parameters of the electric motor (106) and the further component (105, 107) of the drive device (103) according to the load (104) to be moved, providing the Mn curve (202) of the electric motor (106), calculating the Mn curve of the further component (105, 107) using at least one parameter characterizing the further component, determining the maximum run-up torque (201) of the drive device (103) based on the Mn curves (202, 203, 204), simultaneously graphically displaying the Mn curves (202, 203, 204) and the maximum run-up torque (201),so that each dependency shown is clearly assigned to the electric motor or the other component of the drive device.