Plant-Growing System Multi-Mode Controller
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Solution Overview
Problem
Existing plant-growing systems lack flexibility to accommodate personal schedules and preferences for reduced production or harvests, and they inefficiently utilize energy and water resources.
Innovation Solution
A multi-mode control scheme is implemented in the plant-growing system, featuring a plant-growing mode and a plant-preservation mode, where the controller adjusts lighting and watering schedules to control plant growth, allowing for personalized schedules and efficient resource utilization. In plant-growing mode, high light intensity and frequent watering promote rapid growth, while in plant-preservation mode, reduced light and water usage slow down plant growth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the system operates in continuous plant-growing mode with high light intensity and frequent watering, then plant productivity is improved, but energy and water consumption increase
Solution Approach 1:
The system dynamically switches between plant-growing mode and plant-preservation mode based on user preferences and schedules. The controller adjusts lighting intensity and watering frequency in real-time, transitioning from high-resource consumption mode to low-resource consumption mode, thereby resolving the contradiction between continuous productivity and energy efficiency
Solution Approach 2:
The system implements periodic cycling between two distinct operational modes: plant-growing mode (high light intensity, frequent watering) for productivity enhancement, and plant-preservation mode (reduced light intensity, reduced watering) for resource conservation. This periodic alternation allows the system to achieve both high productivity when needed and low energy consumption when not needed
2Productivity
If the system operates in continuous plant-growing mode with high light intensity and frequent watering, then plant productivity is improved, but water consumption increases
Solution Approach 1:
The watering system dynamically adjusts its operation based on the selected mode. In plant-growing mode, frequent watering promotes rapid plant growth. In plant-preservation mode, watering frequency is reduced to minimize water consumption while maintaining plant survival. This dynamic adjustment resolves the contradiction between productivity and water usage
Solution Approach 2:
The system periodically alternates between high-water-consumption plant-growing mode and low-water-consumption plant-preservation mode. This periodic action allows the system to achieve high productivity when water availability permits and conserve water when resource efficiency is prioritized, thereby resolving the contradiction
3Speed
If the system provides high light intensity and frequent watering, then plant growth speed is improved, but resource efficiency deteriorates
Solution Approach 1:
The system dynamically adapts its resource consumption level based on user needs and preferences. The controller switches between plant-growing mode (high growth speed, high resource consumption) and plant-preservation mode (low growth speed, low resource consumption), making the system adaptable to different scenarios and resolving the contradiction between growth speed and resource efficiency
Solution Approach 2:
The system changes key operational parameters (light intensity, watering frequency) based on the selected mode. In plant-growing mode, parameters are set to maximize growth speed. In plant-preservation mode, parameters are adjusted to optimize resource efficiency. This parameter switching resolves the contradiction by allowing the system to operate at different performance levels
4Adaptability or versatility
If the system allows flexible control of plant growth, then adaptability to user preferences is improved, but device complexity increases
Solution Approach 1:
The control system is segmented into two distinct, pre-programmed modes: plant-growing mode and plant-preservation mode. Each mode has predetermined settings for light intensity and watering frequency. This segmentation simplifies the control logic while providing flexibility, as users can switch between modes without managing complex individual parameters, thereby resolving the contradiction between adaptability and complexity
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 allows for flexible and dynamic control of plant growth, optimizing energy and water usage, and accommodating user preferences by slowing or pausing plant growth when needed, thus improving resource efficiency and personalization.
Implementation Method 1
a lighting system including a light source configured to emit light
Data Source
AI summary
A plant-growing system includes a planting system configured to hold one or more plants, a lighting system including a light source configured to emit light, a watering system configured to communicate liquid to the planting system, or a controller communicatively coupled with the lighting system or the watering system. The controller operates in a plant-growing mode during a first period and operate in a plant-preservation mode during a second period. In the plant-preservation mode, the controller controls the lighting system and the watering system to cause the one or more plants to grow more slowly than in the plant-growing mode.