Milling Machine Leg Height Equalization via Sensor Feedback
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Solution Overview
Problem
Milling machines often require manual and unequal adjustment of legs, leading to uneven heights during operation, which can be undesirable when traveling between locations.
Innovation Solution
A method and system where a controller, assisted by sensors, determines the height of one leg and adjusts the heights of other legs to match, ensuring equalization and optimal operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the operator individually adjusts the height of each leg manually, then the height adjustment can be performed, but the legs end up with unequal heights leading to instability during operation and travel
Solution Approach 1:
The system uses sensors to detect the actual height of each leg and feeds this information back to the controller. The controller then automatically adjusts each leg's height to match the reference leg, ensuring equal heights. This closed-loop feedback mechanism eliminates the instability caused by manual adjustment errors.
Solution Approach 2:
The system enables self-service by allowing the operator to simply select a reference leg, after which the controller automatically equalizes all other legs to match it. This eliminates the need for manual adjustment of each leg while ensuring equal heights, resolving the contradiction between ease of operation and reliability.
2Reliability
If automatic height equalization is implemented using sensors and controllers, then leg height equality is improved, but device complexity increases
Solution Approach 1:
The controller serves multiple functions: it receives sensor inputs from all legs, processes height differential signals, determines which legs need adjustment, and controls the adjustment mechanisms. This multi-functionality reduces the need for separate dedicated components for each function, thereby managing complexity while achieving reliable height equalization.
Data Source
AI summary
A method for operating a milling machine is disclosed. The method includes receiving an input identifying a leg of a plurality of legs of the milling machine. Further, the method includes determining a height of the leg based on the receiving of the input identifying the leg. The height of the leg being determined based on position data of the leg. The position data being obtained by a first sensor. Further, the method includes determining, by the controller and based on the determining the height of the leg, that a height of other legs of the plurality of legs is to be adjusted. Thereafter, the method includes adjusting the height of the other legs of the plurality of legs to the height of the leg. The height of the other legs being adjusted based on the determined height of the leg.