Wireless Irrigation Control Using Soil Moisture Feedback
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Solution Overview
Problem
Existing irrigation systems lack efficient and automated methods for monitoring environmental and soil conditions, leading to suboptimal water usage and potential over/under irrigation, especially in large areas like agricultural fields and landscapes.
Innovation Solution
A wireless monitoring and control system that utilizes a network of sensor nodes and a remote server to collect data on environmental and soil conditions, allowing for real-time adjustments to irrigation schedules based on weather, soil moisture, and evapotranspiration rates, enabling remote access and control through cellular or satellite networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional wired irrigation controllers are used, then system reliability is improved, but device complexity and installation difficulty increase
Solution Approach 1:
The patent replaces wired mechanical/electrical control systems with wireless communication technology. Controllers communicate with valves and monitoring systems through wireless signals, eliminating the need for extensive wiring infrastructure while maintaining system reliability and reducing installation complexity.
Solution Approach 2:
The patent introduces a wireless communication network as an intermediary between controllers, valves, and monitoring systems. This intermediary layer enables reliable data transmission and control signals without direct physical connections, reducing device complexity while preserving system reliability.
2Ease of operation
If manual irrigation scheduling is used, then ease of operation is improved, but productivity and water usage efficiency deteriorate
Solution Approach 1:
The patent implements automated irrigation scheduling systems that self-adjust watering schedules based on real-time soil moisture sensor data, weather conditions, and crop requirements. The system autonomously optimizes water application without manual intervention, simultaneously improving productivity and water efficiency while maintaining ease of operation through simple interface controls.
Solution Approach 2:
The patent incorporates continuous feedback loops where soil moisture sensors monitor actual soil conditions and automatically adjust irrigation schedules. This feedback mechanism enables the system to respond dynamically to changing conditions, optimizing water usage efficiency and productivity while requiring minimal user intervention.
3Ease of operation
If fixed irrigation schedules are applied, then ease of operation is improved, but adaptability to environmental conditions deteriorates
Solution Approach 1:
The patent transforms fixed, static irrigation schedules into dynamic, adaptive schedules that automatically adjust based on real-time environmental conditions. Soil moisture sensors, weather stations, and evapotranspiration data continuously inform schedule modifications, enabling the system to adapt to changing conditions while maintaining operational simplicity through automated decision-making.
Solution Approach 2:
The patent changes irrigation parameters (timing, duration, frequency) dynamically based on measured soil moisture levels, weather conditions, and crop water requirements. This parameter adjustment capability allows the system to adapt to environmental variations while keeping the user interface simple and easy to operate.
4Reliability
If extensive wiring is used for controllers and valves, then reliability of control signals is improved, but loss of time for installation and maintenance increases
Solution Approach 1:
The patent replaces physical wiring infrastructure with wireless communication systems for transmitting control signals between controllers and valves. This substitution maintains control signal reliability through robust wireless protocols while dramatically reducing installation time and ongoing maintenance requirements associated with wire management.
Data Source
AI summary
A wireless system is provided for monitoring environmental, soil, or climate conditions and/or controlling irrigation or climate control systems at an agricultural or landscape site. In some embodiments, the wireless system includes at least one wireless control nodes for monitoring environmental, soil, or climate conditions and/or for controlling one or more irrigation or climate control systems at the site. The wireless system also includes a web based application or a cell phone application and a gateway coupled to a communications network. The communications network is configured to transfer data to and receive remote control commands or queries from an end-user.