Virtual Sensor Network Calibration and Auditing
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Solution Overview
Problem
Conventional virtual sensor networks in control systems often operate independently, leading to unpredictable results due to competition for resources and interactions such as feedback loops, and lack calibration, auditing, and publishing functionalities, making them unreliable and inefficient.
Innovation Solution
A method and system for establishing a virtual sensor network that includes obtaining project data, creating a virtual sensor network with integrated models, recording model and performance information, generating calibration certificates, and producing documentation packages to ensure interoperability and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple virtual sensors are used independently in a control system, then the system can process various physically measured values to produce sensor outputs, but the virtual sensors compete for limited computing resources and may create unpredictable interactions such as feedback loops
Solution Approach 1:
The patent combines multiple independent virtual sensors into a unified virtual sensor network with centralized management. The system integrates sensor models, coordinate systems, and data processing into a single networked structure where virtual sensors communicate through defined interfaces rather than operating independently, eliminating unpredictable interactions while maintaining versatility.
Solution Approach 2:
The patent introduces a coordinate system transformation mechanism as an intermediary between virtual sensors. This intermediary layer standardizes data exchange, manages resource allocation, and prevents direct conflicting interactions between virtual sensors, thereby maintaining system stability while preserving individual sensor functionalities.
2Device complexity
If conventional virtual sensors are deployed without calibration and auditing functionalities, then the system can operate with reduced hardware requirements, but the system lacks reliability verification and sensing range information
Solution Approach 1:
The patent implements calibration and auditing functionalities as preliminary actions during system setup and deployment. Virtual sensors are calibrated against known reference data before operational use, and auditing mechanisms are pre-configured to verify sensing ranges and accuracy. This ensures reliability verification is built-in from the start rather than added later.
Solution Approach 2:
The patent enables the virtual sensor network to perform self-calibration and self-auditing operations. The system automatically verifies sensing ranges, checks model accuracy, and validates coordinate transformations without requiring external intervention, maintaining reliability while minimizing additional complexity.
3Device complexity
If virtual sensors operate without centralized management, then the system can be implemented with simpler architecture, but the system produces unpredictable results due to resource competition and interactions among virtual sensors
Solution Approach 1:
The patent creates a universal coordination layer that manages multiple virtual sensors through standardized protocols. This single coordination mechanism handles resource allocation, data transformation, and interaction management for all virtual sensors in the network, providing predictable operation without requiring complex individual management for each sensor.
Data Source
AI summary
A method for providing a virtual sensor network based system. The method may include obtaining project data descriptive of a virtual sensor network to be used in a control system of a machine; establishing a virtual sensor network including a plurality of virtual sensors based on the project data. Each virtual sensor may have a model type, at least one input parameter, and at least one output parameter. The method may also include recording model information, measurement data, and performance information of the virtual sensor network including the plurality of virtual sensors; creating one or more calibration certificates of the virtual sensor network including a plurality of virtual sensors based on the model information, the measurement data, and the performance information; and generating a documentation package associated with the virtual sensor network. The documentation package may include at least an identification, the project data, and at least one calibration certificate of the virtual sensor network including a plurality of virtual sensors.