Reconfigurable Interface for Sensor Power Management
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Solution Overview
Problem
Conventional interface systems in wireless sensor networks (WSNs) consume excessive power, reducing the operational life of modules powered by constrained energy sources, as they do not provide mechanisms for reducing power consumption when interfacing with various sensors or actuators.
Innovation Solution
A module with a self-configuring interface that receives sensor or actuator information to manage power consumption, including type of sensor or actuator, initialization time, and power source, allowing it to dynamically adjust its operation and reduce energy usage by turning on/off specific switches and using unregulated power when possible.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional interface systems are used to interface with various sensors and actuators, then adaptability is improved, but power consumption increases
Solution Approach 1:
The interface system dynamically reconfigures itself based on the connected sensor or actuator type. The controller detects the device type and automatically adjusts interface parameters, enabling the same physical interface to adapt to multiple device types while maintaining optimal power consumption for each specific configuration.
Solution Approach 2:
The system changes operational parameters such as sampling rates, communication protocols, and power management settings based on the detected sensor or actuator type. This allows the interface to optimize power consumption for each specific device while maintaining compatibility across different device types.
2Speed
If conventional interface systems operate continuously to maintain readiness, then response time is improved, but operational duration decreases
Solution Approach 1:
The interface system uses periodic polling or event-triggered sampling instead of continuous operation. The controller can enter low-power states between measurement cycles while maintaining the ability to quickly respond to new events or data changes, thus extending operational life without significantly compromising response time.
Solution Approach 2:
The system implements self-managing power states where the interface automatically transitions between active and sleep modes based on data availability and communication needs. This self-service approach allows the system to maintain readiness for new connections while minimizing power consumption during stable operation.
Data Source
AI summary
An interface is provided that configures itself dynamically based on sensor information received from a sensor assembly or actuator information received from an actuator assembly. The interface may be configured to interoperate with sensor assemblies including analog transducers, smart transducers providing digital outputs and various actuators. The sensor information or the actuator information may include information for managing power consumption associated with the operation of the sensor or the actuator. Using the sensor information or the actuator information, a power management scheme may be implemented to reduce power consumption and extend the operational time of a module. The sensor information also includes information about the sensor signal generated by the sensor. The information about the sensor signal allows the module to interoperate with more diverse types of sensors.