Remote Sensing Device Using Smartphone Processor and Microcontroller
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Solution Overview
Problem
Current remote sensing systems face challenges in cost, complexity, and power efficiency, limiting their ability to operate reliably and efficiently in remote locations for applications such as surveillance and environmental monitoring.
Innovation Solution
A remote sensing device that incorporates a smartphone processor, memory, sensor module, and a separate microcontroller with a power management module, allowing for low-power operation, wireless communication, and efficient data processing, including image and video analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional remote sensing hardware with embedded microprocessors and modems is used, then the system can perform remote monitoring functions, but the power consumption is high and the system complexity increases
Solution Approach 1:
The system separates power management functions into a dedicated low-power microcontroller that handles battery management, sensor data acquisition, and wireless communication, while the smartphone processor handles higher-level processing only when needed. This segmentation allows the majority of operations to run on the energy-efficient microcontroller, dramatically reducing overall power consumption while maintaining full remote monitoring functionality.
2Ease of operation
If purpose-designed remote monitoring hardware with embedded components is used, then the system can operate standalone, but the device complexity and cost increase
Solution Approach 1:
The system uses a universal smartphone platform that can run multiple applications and serve various remote sensing needs through software configuration rather than hardware redesign. The smartphone's existing processors, displays, cameras, and communication modules are leveraged for multiple functions, eliminating the need for purpose-designed hardware for each application and significantly reducing device complexity while maintaining standalone operation capability.
3Use of energy by moving object
If smartphone platforms are used for remote sensing, then power consumption is reduced, but the system requires careful power management integration
Solution Approach 1:
A dedicated low-power microcontroller serves as an intermediary between the battery and the smartphone processor. This intermediary manages power distribution, handles wake-sleep transitions, and controls when the high-power smartphone processor is activated versus when the system operates in low-power mode using only the microcontroller, thereby reducing overall power consumption while managing the complexity of power transitions.
Data Source
AI summary
A remote sensing device is described. The remote sensing device includes an enclosure that houses a smartphone processor, a smartphone memory, a sensor module, a separate microcontroller, and a wireless communication module. The remote sensing device includes a smartphone operating system having a kernel that includes a plurality of device drivers. The smartphone processor, smartphone memory, sensor module and wireless communications module are managed by the smartphone operating system. The separate microcontroller includes a power management module. A battery is electrically coupled to the microcontroller. The battery powers the smartphone processor, the smartphone memory, and the sensor module. The wireless communication module is communicatively coupled to a wide area network. The wireless communication module receives an over-the-air (OTA) update for a device driver associated with the sensor module.