Inertial Sensor Mode Switching for Shock Detection in Mobile Equipment
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Solution Overview
Problem
Existing methods for monitoring the motion and handling of mobile motor-driven processing devices lack efficient detection of atypical movements, such as shocks and impacts, which can indicate potential abuse or improper handling, and often consume excessive energy.
Innovation Solution
A method and system utilizing an inertial sensor device and control device that automatically switch between motion-monitoring and shock/impact-monitoring operating modes to detect and transmit information signals, optimizing energy consumption and enabling detection of atypical motions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If continuous shock and impact monitoring is implemented, then detection capability for atypical motion is improved, but energy consumption increases
Solution Approach 1:
The system dynamically switches between two operating modes: a first mode with reduced functionality for normal motion monitoring, and a second mode with enhanced shock and impact detection capabilities. This dynamic adaptation allows the device to maintain high detection precision when needed while minimizing energy consumption during normal operation.
Solution Approach 2:
The inertial sensor device changes its operational parameters by switching between different measurement modes. In the first mode, it operates with reduced sampling rates and simplified processing, while in the second mode, it activates full shock and impact detection algorithms, thereby optimizing the balance between detection capability and energy usage.
2Measurement precision
If motion monitoring is performed continuously, then motion detection accuracy is improved, but energy consumption increases
Solution Approach 1:
The system employs periodic switching between operational modes based on detected motion patterns. The inertial sensor device performs continuous monitoring at a basic level, and periodically transitions to enhanced monitoring when motion criteria are met, thereby maintaining detection accuracy while reducing overall energy consumption compared to continuous high-level monitoring.
3Measurement precision
If shock and impact criterion monitoring is always active, then atypical motion detection is improved, but device complexity increases
Solution Approach 1:
The system dynamically activates complex shock and impact detection algorithms only when needed, rather than maintaining them continuously. This reduces the effective device complexity during normal operation while preserving full detection capability when atypical motion is detected.
4Reliability
If full functionality is maintained at all times, then detection reliability is improved, but energy consumption increases
Solution Approach 1:
The system maintains detection reliability by periodically switching to full functionality when motion criteria indicate potential shock or impact events. During normal operation, it uses reduced functionality modes, thereby significantly reducing energy consumption while ensuring reliability is maintained when needed.
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 effectively detects atypical motions with reduced energy consumption, providing insights into handling and storage conditions, aiding in training and identifying potential abuse, while allowing for energy-efficient operation.
Implementation Method 1
The inertial sensor is formed or configured, particularly automatically, to detect an inertial variable, particularly a value of the inertial variable
Data Source
AI summary
A method includes a) operating an inertial sensor device arranged on or in a mobile motor-driven processing device in a motion-monitoring operating mode to monitor whether an inertial variable or a variable based on the inertial variable fulfills a motion criterion, wherein the motion criterion is characteristic of a motion of the processing device, b) if the motion criterion is fulfilled, operating the inertial sensor device in a shock and/or impact-monitoring operating mode to monitor whether the inertial variable or a variable based on the inertial variable fulfills a shock and/or impact criterion, wherein the shock and/or impact criterion is characteristic of an atypical motion of the processing device, and c) if the shock and/or impact criterion is fulfilled, transmitting an information signal via the inertial sensor device and operating the control device as a function of the transmitted information signal.