Mobile Compost Turner Control for Windrow Path and Width Sensing
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Solution Overview
Problem
Existing mobile compost turners require manual operator intervention for control and setting, leading to significant personnel and operational costs due to the need for multiple turns of the compost heap, which is time-consuming and prone to errors.
Innovation Solution
A control system for a mobile material transfer unit that includes sensors to detect the position and width of a compost pile, enabling autonomous operation by regulating the travel path and settings of the turner based on real-time data, allowing for automatic adjustment and conversion of meandering piles into straight lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operator control is used for the mobile compost turner, then the turner can be operated flexibly, but personnel costs and operational time increase significantly
Solution Approach 1:
The mobile compost turner is equipped with an autonomous control system that enables it to operate without continuous manual intervention. The system automatically detects pile parameters (position, width, shape) using sensors and adjusts the turner's movement and operation accordingly, allowing the machine to service itself and eliminating the need for constant operator input while maintaining operational flexibility.
Solution Approach 2:
The control system continuously monitors pile characteristics through sensor devices and uses this feedback to automatically adjust the turner's travel path, speed, and turning operations. This closed-loop control ensures optimal composting efficiency by adapting to real-time pile conditions without requiring manual recalibration or operator intervention.
2Reliability
If multiple manual turns of the compost heap are performed, then complete decomposition is achieved, but operational time and personnel costs increase
Solution Approach 1:
The autonomous control system enables continuous, uninterrupted turning operations by automatically adjusting the turner's path and speed to optimize contact with the pile. The system maintains consistent operational rhythm and can perform multiple turns sequentially without manual intervention, ensuring complete decomposition is achieved efficiently and reliably.
Solution Approach 2:
The control system dynamically adjusts the turner's operational parameters (speed, direction, turning radius) based on real-time pile detection data. This dynamic adaptation allows the turner to optimize each passing over the pile, maximizing the effectiveness of every turn and reducing the total number of operations needed while maintaining reliable composting completion.
3Device complexity
If the turner follows a fixed travel path, then the control system is simple, but it cannot adapt to meandering pile shapes
Solution Approach 1:
The control system performs preliminary detection of the pile's position, width, and shape using sensor devices before the turner begins operation. Based on this advance information, the system pre-calculates and adjusts the optimal travel path, allowing the turner to adapt to meandering pile shapes without complex real-time calculations or excessive system complexity.
Solution Approach 2:
The system continuously monitors the actual pile configuration during operation and uses this feedback to dynamically adjust the travel path. The control system compares detected pile positions with the planned path and makes real-time corrections, enabling adaptation to meandering shapes while maintaining relatively simple control architecture through iterative adjustment rather than complex pre-planning.
Data Source
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Figure 3~4
Figure 5~6
AI summary
The present invention relates to a control system (1) for a mobile turner (2) for turning bulk material heaped into a heap (3), in particular a compost heap, wherein the control system (1) is designed to control and/or regulate the turner (2), wherein the control system (1) has a first sensor device (4) for detecting the position of the heap top (5) in front of the turner (2) in relation to the direction of travel (F) of the turner (2) and a second sensor device (6) for detecting the position of the heap top (5) and in particular the heap width (23) in the area of the turner (2), wherein the travel path of the turner (2) and/or at least one setting variable (7) and/or at least one function (8) of the turner (2) can be controlled and/or regulated on the basis of the measurement data detected by the first and second sensor devices (4, 6).