Power Source Speed and Clutch Control for Torque Optimization
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Solution Overview
Problem
Current machine control systems for machines with torque converters and impeller clutches lack efficiency in modulating power source speed and clutch engagement to achieve desired output torque and hydraulic flow, leading to fuel wastage and performance inefficiencies.
Innovation Solution
A control system incorporating an impeller clutch pedal sensor, power source sensor, torque converter sensor, implement lever sensor, and a controller that determines desired output torque and modulates power source speed and impeller clutch engagement based on signals from these sensors to optimize torque and hydraulic flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the machine control system uses traditional clutch control methods, then the structure is simple, but the fuel efficiency is poor and performance is inefficient
Solution Approach 1:
The patent applies dynamics by making the clutch engagement variable and adjustable rather than fixed. The control system dynamically modulates the clutch engagement state based on real-time sensor feedback about machine operation conditions, allowing the system to adapt to changing loads and operational requirements. This dynamic control enables optimized fuel efficiency across varying operating conditions while managing the complexity through electronic control architecture.
Solution Approach 2:
The patent implements feedback control by using sensors to continuously monitor machine operation parameters (such as engine speed, load conditions, and hydraulic flow) and feeding this information back to the controller. The controller then adjusts the clutch engagement accordingly to optimize fuel efficiency. This closed-loop feedback system resolves the contradiction by enabling intelligent energy management despite increased control system complexity.
2Loss of energy
If the control system dynamically adjusts power source speed and clutch engagement, then fuel efficiency improves, but the control complexity increases
Solution Approach 1:
The control system uses feedback from sensors monitoring engine speed, load conditions, and hydraulic flow to continuously adjust clutch engagement and power source speed. This feedback mechanism enables the system to minimize fuel consumption by operating the power source and clutch at optimal points across varying operational conditions, resolving the trade-off between energy efficiency and control complexity.
Solution Approach 2:
The system changes operational parameters (clutch engagement state, power source speed) dynamically based on detected operating conditions. By adjusting these parameters in real-time according to sensor feedback, the system optimizes fuel efficiency while the control architecture manages the complexity through systematic parameter modulation rather than mechanical complexity.
3Productivity
If traditional clutch control is used, then the device complexity is low, but the machine performance and hydraulic flow efficiency are poor
Solution Approach 1:
The patent applies dynamics by enabling the clutch engagement and power source speed to vary dynamically based on operational requirements. This dynamic adjustment allows the machine to maintain optimal performance across different load conditions and hydraulic flow demands, improving productivity while the electronic control system manages the complexity of coordinating multiple variables.
Solution Approach 2:
The control system serves multiple functions simultaneously: it optimizes clutch engagement for torque transmission, regulates power source speed for efficiency, and ensures adequate hydraulic flow for implement operation. This multi-functionality improves overall machine performance while the integrated control architecture manages the complexity by coordinating these functions through a single systematic approach.
Data Source
AI summary
A machine control system including an impeller clutch pedal sensor, a power source sensor, a torque converter output speed sensor, an implement lever sensor and a controller is provided. The impeller clutch pedal sensor is configured to generate a signal indicative of an impeller clutch command. The implement lever sensor is configured to generate a signal indicative of a desired hydraulic flow corresponding to an implement lever command. The controller is configured to determine a desired output torque, at a current torque converter output speed, based on the signals from the impeller clutch pedal sensor and the power source sensor. The controller is configured to modulate at least one of the speed of the power source or an engagement of an impeller clutch based on the desired output torque and the implement lever command.