Automatic control function for whipping cream
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Solution Overview
Problem
Existing food processors struggle to determine optimal control parameters for mixer speed and mixing duration due to various food characteristics and environmental conditions, leading to inconsistent preparation results and high costs for sensor technology.
Innovation Solution
A method for a food processor that uses time-dependent analysis of acquisition values, such as motor signals and temperature, to determine the optimal preparation state, allowing for real-time adjustment of mixer speed and duration without needing pre-stored values, through frequency analysis and histogram evaluation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If pre-stored control parameter values are used for different food types, then the preparation process is simplified, but the preparation consistency deteriorates due to variations in food characteristics and environmental conditions
Solution Approach 1:
The system continuously monitors acquisition values during the preparation process and uses time-dependent analysis to detect when the food reaches the desired state. This feedback mechanism allows the system to automatically adjust the preparation duration based on real-time conditions, ensuring consistent results across different food types and environmental conditions without requiring complex manual parameter adjustments.
Solution Approach 2:
The food processor autonomously determines the optimal preparation state by analyzing acquisition values over time. The system self-adjusts the preparation process based on the detected state of the food, eliminating the need for users to manually select or adjust control parameters for different food types while maintaining preparation consistency.
2Manufacturing precision
If multiple sensors are used to detect food characteristics and environmental conditions, then the preparation precision is improved, but the device complexity and costs increase
Solution Approach 1:
The system uses a single acquisition device that measures a general parameter (such as motor current or power consumption) which indirectly reflects the state of the food being prepared. This multi-functional approach allows the same sensor to provide information about both food characteristics and preparation progress without requiring multiple specialized sensors, thereby reducing device complexity and costs while maintaining preparation precision.
Solution Approach 2:
The system introduces an intermediary measurement approach where the acquisition values (such as motor current) serve as indirect indicators of the food's preparation state. Instead of directly measuring food characteristics with multiple sensors, the system uses the motor's electrical parameters as intermediaries that correlate with the food's mechanical resistance during preparation, simplifying the sensing requirements.
3Manufacturing precision
If the preparation duration is extended to account for various conditions, then the preparation consistency is improved, but the productivity decreases due to longer processing times
Solution Approach 1:
The system dynamically adjusts the preparation duration based on real-time analysis of acquisition values. Instead of using fixed preparation times, the system continuously monitors the food's state and automatically terminates the preparation process when the desired state is reached, optimizing the preparation time for each specific condition and maintaining both consistency and productivity.
Solution Approach 2:
The system maintains continuous monitoring of acquisition values throughout the preparation process, ensuring that the preparation action continues optimally until the desired state is achieved. This continuous feedback enables the system to prevent both under-preparation and over-preparation, maintaining consistency while minimizing unnecessary processing time.
Data Source
AI summary
The present invention relates to a method for operating a food processor, where at least one processing device of the food processor is controlled, in a preparation mode, so as to at least partially automatically prepare food, and where a monitoring device performs an identification of temporally successive acquisition values at the food processor at least during the preparation mode, where the acquisition values are specific to at least one preparation parameter of the food processor, where at least one analysis information is determined dependent upon the temporally successive acquisition values, and a frequency distribution of the analysis information is identified by a time-dependent analysis, whereby an analysis result specific to a preparation state is determined, where dependent upon the analysis result, at least one control signal is emitted for influencing the preparation mode.