Respiration System Remote Control Segmentation
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Solution Overview
Problem
Existing respiration systems lack flexibility in operation, requiring direct access to the device for monitoring and control, and do not allow for remote adjustments of respiration parameters, which can be limiting in certain scenarios.
Innovation Solution
A respiration system with a remote control connected via separate data lines to the respirator, allowing for remote monitoring and control of respiration parameters, and a switchover device that switches between local and remote control modes based on sensor error detection, ensuring continuous data availability and manual override options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a remote control is connected via separate data lines for transmitting display and operating data, then operational flexibility is improved, but device complexity increases
Solution Approach 1:
The control system is segmented into two separate data lines: one for display data transmission and another for operating data exchange. This segmentation allows the remote control to receive display information without interfering with the control signals, enabling flexible operation modes (remote/local switching) while maintaining clear separation of control and monitoring functions, thus improving adaptability without excessive complexity
Solution Approach 2:
The operating unit acts as an intermediary between the respirator and the remote control. It receives operating data from the respirator via the second data line, processes it, and transmits it to the remote control's display field. This intermediary role allows the remote control to access system information without direct connection complexity, resolving the contradiction between flexibility and device complexity
2Ease of operation
If manual control is provided for switchover between local control mode and remote control mode, then ease of operation is improved, but reliability decreases due to potential manual intervention delays
Solution Approach 1:
The system incorporates automatic feedback mechanisms that monitor sensor data and system status continuously. When sensor defects are detected through plausibility comparisons, the system automatically generates actuating signals to switch control modes or alert operators. This feedback loop ensures reliability by detecting issues in real-time while maintaining ease of operation through automatic responses, reducing the need for constant manual monitoring
Solution Approach 2:
The system performs preliminary actions by continuously comparing sensor measured values before critical failures occur. The plausibility comparison of sensor readings is done in advance to detect defects early, allowing the system to switch to safe operating modes or alert operators before actual system failure, thus maintaining both reliability and ease of operation
3Reliability
If sensors are monitored for defects through plausibility comparison, then reliability is improved, but measurement precision requirements increase
Solution Approach 1:
Instead of requiring extremely high precision from individual sensors, the system uses partial action by comparing only critical parameters (oxygen concentration from two sensors) against each other. The plausibility comparison checks whether measured values are within acceptable ranges of each other, rather than requiring absolute precision. This approach improves reliability through cross-validation while reducing the stringent precision requirements for each individual sensor
Data Source
AI summary
A respiration system is provided, which has the greatest possible flexibility in operation based on a remote control (11), which is connected to a respirator (2) via separate data lines (9, 10) for display data and operating data. The display data are continuously displayed on both an operating unit (3) of the respiration system and the remote control (11). The operating data can only be entered either via the operating unit (3) of the respiration system or by the remote control (11).