Tractor-Baler PTO Control for Automatic Energy Balancing
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Solution Overview
Problem
Existing balers rely heavily on operator experience to avoid energy overload and underload situations, lacking an automated system to manage energy demand effectively.
Innovation Solution
A tractor-baler combination with a control unit connected to the power take-off (PTO) unit, which adjusts energy values based on consumption signals to maintain optimal energy levels, preventing overload or underload by comparing total energy values with baler consumption values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the operator manually monitors and adjusts energy levels based on experience, then the baler can avoid overload situations, but the ease of operation deteriorates due to reliance on operator skill and judgment
Solution Approach 1:
The control unit continuously monitors the actual energy consumption of the baler through sensors and compares it against predefined thresholds. When the energy consumption approaches or exceeds the maximum allowable level, the system automatically provides feedback by reducing the PTO power output or activating warning signals, eliminating the need for manual monitoring while maintaining reliable overload prevention
Solution Approach 2:
The baler system performs self-regulation by automatically adjusting its own energy consumption based on real-time monitoring. The control unit independently manages the PTO power output without requiring operator intervention, enabling the system to self-correct energy imbalances and maintain optimal operation within safe parameters
2Ease of operation
If the system automatically monitors and adjusts energy consumption, then the ease of operation improves, but the device complexity increases due to additional control systems
Solution Approach 1:
The control unit is designed as a multi-functional device that integrates multiple functions: monitoring energy consumption through sensors, comparing actual consumption against thresholds, calculating allowable power output, and automatically regulating the PTO system. By consolidating these functions into a single control unit, the system achieves automatic energy management while minimizing the overall complexity that would arise from separate dedicated components for each function
3Productivity
If the PTO power output is continuously adjusted to match actual energy consumption, then the productivity is optimized, but the device complexity increases due to dynamic control mechanisms
Solution Approach 1:
The system implements dynamic adjustment of the PTO power output that continuously adapts to the actual energy consumption of the baler. The control unit modifies the power transmission characteristics in real-time based on monitored consumption patterns, enabling optimal energy utilization and productivity while maintaining a relatively simple control architecture through standardized dynamic control mechanisms
Data Source
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AI summary
The invention relates to a tractor-baler combination comprising a tractor (12) and a baler (10), wherein the tractor (12) includes a drive train (80) for driving the tractor (12) and a power take-off (PTO) unit (112), and the baler comprises a receiving unit (20) and a pressing unit (22). The combination (1) includes a control unit (104) connected to the PTO unit (112), wherein the PTO unit (112) is mechanically connected to the baler (10) for driving the pressing unit (22) and the receiving unit (20), and the pressing unit (22) can be driven with a first energy value and the receiving unit (20) with a second energy value. The control unit (104) is configured to receive or determine an energy consumption signal or a PTO consumption signal and to determine a total energy value using the energy consumption signal or the PTO consumption signal.The control unit (104) is further configured to compare the total energy value with a baler consumption value and to adjust and/or modify the power take-off unit (112) with a first control signal if the total energy value differs from the baler consumption value. The invention further relates to a method for operating the combination (1) and a baler (10).