Pressurized Extraction Chamber Feedback Control for Hysteresis Reduction
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Solution Overview
Problem
Existing pressurized solution extraction systems lack the ability to dynamically control pressure during the extraction process, leading to inefficiencies and errors due to excessive hysteresis and the inability to quickly change operational pressure, which affects the composition and quality of the final product.
Innovation Solution
A pressure solution extraction system comprising a cylinder, piston, solute container, pressure sensor, actuator, and microcontroller that allows for precise control of pressure and temperature, enabling real-time adjustments and minimizing hysteresis through direct pressure measurement and PID control algorithms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If pressure variability is offered through the extraction process, then product composition control is improved, but hysteresis increases due to pump response limitations
Solution Approach 1:
A direct pressure sensor is installed in the extraction chamber to serve as an intermediary that directly measures the actual pressure at the point of extraction. This eliminates the hysteresis error that occurs when pressure is inferred from pump output, as the sensor provides real-time feedback of the true pressure condition affecting solute extraction.
Solution Approach 2:
The system implements a feedback control loop where the pressure sensor continuously monitors extraction chamber pressure and feeds this information back to the control system. The controller adjusts pump operation based on this feedback to maintain precise pressure control, eliminating the open-loop hysteresis problems of conventional systems.
2Productivity
If operational pressure is changed during extraction, then extraction efficiency is improved, but system response time decreases due to pump limitations
Solution Approach 1:
The system dynamically adjusts pressure during the extraction process by controlling the pump based on real-time pressure sensor feedback. This allows the system to optimize extraction efficiency at different stages by varying pressure, while the fast-responding control system ensures rapid pressure changes without the hysteresis limitations of conventional fixed-pressure systems.
3Manufacturing precision
If pressure control precision is increased, then extraction consistency is improved, but system complexity increases
Solution Approach 1:
The system replaces complex mechanical pressure control mechanisms with an electronically controlled pump and digital feedback control. The pressure sensor and electronic controller work together to provide precise pressure regulation, achieving extraction consistency without the mechanical complexity of traditional pressure adjustment mechanisms.
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 achieves precise control over the extraction process, allowing for consistent and high-quality product composition by enabling dynamic pressure adjustments and minimizing hysteresis, thereby improving the efficiency and variability of the extraction process.
Implementation Method 1
a pressure sensor connected to the extraction chamber assembly
Implementation Method 2
the piston operating in a linear direction through the cylinder to force the solute/solvent mix through the solute container
Implementation Method 3
a heating element connected to the solvent container and the microcontroller, the heating element further including a second temperature sensor configured to regulate the temperature of the solvent container
Data Source
AI summary
A Pressurized Solution Extraction System and Method is disclosed herein. The pressurized solution extraction system comprises a cylinder and a piston, a locking mount connected to the end of the cylinder, a solute container having a plurality of holes and an interior diameter matching the that of the cylinder and in pressure contact to the end of the cylinder by the locking mount to create a chamber capable of holding a solute/solvent mix, a pressure sensor connected to the assembly and capable of taking pressure measurements of the solute/solvent mix, an actuator connected to the extraction chamber assembly, held in axial alignment by a frame, controlled by an actuator controller unit and a microcontroller in electronic communication with the pressure sensor, with the piston operating in a linear direction through the cylinder to force the solute/solvent mix through the solute container as directed by the microcontroller.


