Milling Machine Control Unit Operating Mode Selection
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Solution Overview
Problem
Operating a milling machine is complex and requires experienced operators to manually adjust multiple drive and work parameters to achieve the desired milling result, which can be time-consuming and prone to errors.
Innovation Solution
A milling machine with a control unit that allows operators to select from pre-defined operating modes, which automatically sets essential drive and work parameters, reducing the need for manual adjustments and simplifying the operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment of multiple drive and work parameters is used to achieve desired milling result, then manufacturing precision is improved, but device complexity and ease of operation worsen
Solution Approach 1:
The control unit stores predetermined sets of drive parameters and work parameters for different operating modes (e.g., fine milling, coarse milling, recycler operation) that have been pre-optimized for specific milling tasks. When an operator selects an operating mode, the corresponding pre-configured parameter set is automatically applied, eliminating the need for manual adjustment of multiple parameters and reducing the skill requirement while maintaining optimal milling results
2Manufacturing precision
If manual adjustment of multiple drive and work parameters is used to achieve desired milling result, then manufacturing precision is improved, but loss of time worsens
Solution Approach 1:
Optimal parameter combinations for different milling operations are pre-calculated and stored in the control unit's memory. When an operating mode is selected, the corresponding parameters are automatically retrieved and applied instantaneously, eliminating the time-consuming manual adjustment process while ensuring optimal milling results are achieved
3Ease of operation
If automatic parameter setting through operating modes is implemented, then ease of operation is improved, but device complexity worsens
Solution Approach 1:
The control unit is designed with multi-functionality, serving both as a simple mode selector for operators and as an automated parameter management system. The control unit integrates memory for storing parameter sets, processing logic for automatic parameter application, and coordination capabilities for managing multiple machine assemblies, thereby consolidating multiple functions into a single device without significantly increasing operational complexity
Data Source
AI summary
The invention relates to a milling machine, in particular a road milling machine, a stabiliser, a recycler or a surface miner, comprising a drive means which is configured such that the milling machine performs translatory and/or rotatory movements on the ground, and a working means which is configured such that the ground is machined. The invention also relates to a method for operating a milling machine of this type. The milling machine according to the invention has a control unit 15 to input drive parameters and work parameters. The control unit 15 is distinguished by a selection unit 15C to select an operating mode from a plurality of operating modes. The control and processing unit 20 has a memory 20A which stores at least one predetermined drive parameter which is assigned to the operating mode, and/or at least one predetermined work parameter which is assigned to the operating mode, for each operating mode of the plurality of operating modes. The control and processing unit 20 is configured such that at least one assembly 4, 5; 8, 10, 11, 12, 13, 17, 18, 19 of the drive means and working means is controlled subject to the at least one drive parameter or work parameter which is stored in the memory 20A for the operating mode selected using the selection unit 15C, such that the particular machine function is carried out. The milling machine further provides that at least one function which describes the dependence of a work parameter of one assembly on a drive parameter of another assembly is stored for each operating mode, the control and processing unit 20 being configured such that, based on this function, at least one assembly of the working means or drive means is controlled such that the particular machine function is carried out.