Sourdough Starter Fermentation Control With Sensor-Guided Feeding
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Solution Overview
Problem
Current sourdough starter production is time-consuming, inconsistent, and not suitable for mass production, relying heavily on human experience and artisanal methods, leading to variations in flavor and texture.
Innovation Solution
A processor-controlled sourdough starter production system using sensors, a double-jacketed vessel, and machine learning models to monitor and adjust fermentation parameters, ensuring consistent flavor and texture through controlled temperature, flour, and water additions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If artisanal sourdough starter production methods are used, then the process relies on human experience and can produce good flavor, but the process is time-consuming and results in noticeable variation in texture and flavor
Solution Approach 1:
The system monitors multiple fermentation parameters (pH, temperature, gas production, viscosity) and dynamically adjusts them to achieve consistent sourdough starter quality. By controlling these parameters through automated sensors and actuators, the system eliminates the variability inherent in artisanal methods while maintaining or reducing production time.
Solution Approach 2:
The patent implements a closed-loop feedback system where sensors continuously monitor fermentation parameters and feed this information back to a control system. The control system adjusts feeding rates, temperature, and other parameters in real-time based on the feedback, ensuring consistent results without requiring human expertise and reducing overall production time through optimized control.
2Productivity
If artisanal sourdough production is used, then the process can be flexible for flavor variation, but it requires much trial and error and is not suitable for mass production
Solution Approach 1:
The patent replaces the mechanical system of human sensory evaluation and manual adjustment with automated electronic sensors and control algorithms. Instruments measure pH, temperature, gas production, and viscosity objectively, eliminating the need for human expertise while enabling mass production. This substitution increases productivity while the modular sensor system keeps complexity manageable.
Solution Approach 2:
The control system is designed to be universal, capable of monitoring multiple parameters simultaneously (pH, temperature, gas production, viscosity) and adjusting various aspects of the fermentation process. This multi-functional approach enables mass production of sourdough starters with consistent quality while allowing flexibility for different flavor profiles through parameter adjustment rather than complex procedural changes.
3Measurement precision
If multiple sensors are used to monitor fermentation, then measurement precision improves, but device complexity increases
Solution Approach 1:
The patent combines multiple sensing functions into an integrated monitoring system that simultaneously measures pH, temperature, gas production, and viscosity. By merging these measurement capabilities into a coordinated system with centralized control, the patent achieves high measurement precision across multiple parameters while managing device complexity through systematic integration rather than separate independent systems.
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 consistent sourdough starter production by optimizing fermentation conditions, reducing human error, and enabling mass production of high-quality sourdough products with customizable flavor profiles.
Implementation Method 1
a double-jacketed vessel encasing the fermenter and configured to provide a controlled temperature environment on contents of the fermenter
Implementation Method 2
a maturity sensor in signal communication with a processor, the maturity sensor configured to sense first parameter values indicative of maturity of the sourdough starter
Data Source
AI summary
A system for computer-controlled production of sourdough starters includes a fermenter; a vessel encasing the fermenter and configured to provide a controlled temperature environment on contents of the fermenter; a processor-controlled feeder configured to provide additions of a flour to the fermenter; a processor-controlled water doser configured to provide additions of water to the fermenter; and a sensor in signal communication with a processor and configured to sense parameter values indicative of fermentation maturity of a mixture of flour and water. The processor receives the parameter values, correlates the parameter values with expected parameter values, and based on the correlation, adjusts a rate and quantity of flour addition and water addition to the fermenter to achieve a desired fermentation maturity of the mixture of the flour and the water.