Pneumatic Actuator Valve Groups With Task-Based Pressure Limits
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Solution Overview
Problem
Existing pneumatic actuator systems lack the ability to adapt to diverse movement tasks efficiently, leading to inefficient energy consumption and increased wear due to inconsistent pressure control.
Innovation Solution
A valve system with independent components, including pressure sensors and regulators, controlled by a computing device that adjusts pressure levels based on real-time feedback and predefined maximum pressure limits to optimize energy use and reduce wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a pneumatic actuator system uses fixed pressure control, then the system structure is simple, but the system cannot adapt to diverse movement tasks efficiently, leading to inefficient energy consumption and increased wear
Solution Approach 1:
The patent implements dynamic pressure control by equipping each valve group with independent pressure regulators and pressure sensors. The controller continuously monitors actual pressure values and adjusts regulator settings in real-time according to the specific movement task requirements. This dynamic adaptation allows the system to optimize energy consumption for each task while maintaining the ability to handle diverse movement scenarios.
Solution Approach 2:
The system changes the pressure parameter dynamically based on movement task requirements. Each working chamber can have its maximum pressure level independently adjusted by its associated pressure regulator. The controller modifies these pressure parameters according to the specific task, enabling efficient energy use while maintaining versatility across different operational scenarios.
2Adaptability or versatility
If a pneumatic actuator system uses fixed pressure control, then the device complexity is low, but the system cannot adapt to diverse movement tasks efficiently
Solution Approach 1:
The patent segments the pressure control system into independent units for each working chamber. Each valve group has its own pressure regulator and pressure sensor, allowing decentralized pressure management. This segmentation enables independent optimization of each chamber's pressure according to task requirements while maintaining overall system coordination through the controller.
Solution Approach 2:
The system implements feedback control through pressure sensors that continuously monitor actual pressure values in each working chamber. These feedback signals are sent to the controller, which compares them against target values and adjusts the pressure regulators accordingly. This feedback mechanism enables precise adaptation to different movement tasks while maintaining system stability.
3Productivity
If a pneumatic actuator system uses high pressure for all tasks, then the actuator can perform all movement tasks, but energy consumption increases and wear increases
Solution Approach 1:
The system dynamically adjusts pressure levels based on the specific movement task requirements rather than maintaining constantly high pressure. The pressure regulators respond to controller commands and task conditions, optimizing pressure delivery to match actual performance needs. This dynamic approach maintains actuator productivity while significantly reducing energy consumption and wear compared to fixed high-pressure operation.
4Productivity
If a pneumatic actuator system uses high pressure for all tasks, then the actuator can perform all movement tasks, but wear increases
Solution Approach 1:
The system changes pressure parameters dynamically according to task requirements, using only the necessary pressure level for each specific movement task. This parameter optimization reduces unnecessary high-pressure exposure, thereby decreasing wear on actuator components while maintaining full productivity capability when high pressure is actually needed.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system ensures efficient energy use and reduced wear by dynamically adjusting pressure levels according to specific movement tasks, enhancing the actuator's performance and longevity.
Implementation Method 1
a first pressure sensor (43), which is assigned to the first working connection (24)
Implementation Method 2
a second pressure sensor (44), which is assigned to the second working connection (25)
Implementation Method 3
in a first operating state exclusively opens an exhaust path between the first working connection (24) and the exhaust connection (23)
Implementation Method 4
in a second operating state exclusively opens a supply path between the supply connection (22) and the first working connection (24)
Implementation Method 5
in a first operating state, exclusively opens an exhaust path between the second working connection (25) and the exhaust connection (23)
Implementation Method 6
in a second operating state, exclusively opens a supply path between the supply connection (22) and the second working connection (25)
Implementation Method 7
a first pressure regulator for controlling the first valve group, and which is designed to set a first maximum pressure level for the first pressure regulator
Implementation Method 8
a second pressure regulator for controlling the second valve group, and which is designed to set a second maximum pressure level for the second pressure regulator
Data Source
AI summary
A valve system for supplying a pneumatic actuator, with a first valve group which is connected to a supply connection, to an exhaust connection and to a first working connection; with a second valve group which is connected to the supply connection, to the exhaust connection and to a second working connection; with a first pressure sensor connected with the first working connection; with a second pressure sensor connected with the second working connection; with a controller for processing a first pressure signal from the first pressure sensor and a second pressure signal from the second pressure sensor, the controller comprising a first pressure regulator for controlling the first valve group and a second pressure regulator for controlling the second valve group, the controller setting a first maximum pressure level for the first pressure regulator and setting a second maximum pressure level for the second pressure regulator.