Autonomous Lawn Trampling Control for Quiet Grass Height Maintenance
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Solution Overview
Problem
Existing lawn compactors are noisy, difficult to clean, and require hard work due to the need to cut grass, which detracts from their effectiveness in maintaining lawn beauty and ornamental quality.
Innovation Solution
An automatic lawn compactor equipped with a battery pack, controller, driving device, and trampling device that autonomously moves on the lawn, using a height sensor to detect grass height and activate trampling when necessary, replacing the need for cutting grass with regular trampling to maintain a desired height.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional lawn compactors are used to maintain lawn grass height, then the lawn can be kept at a certain height, but the process involves large noise, difficult cleanup of cut grass, and hard work
Solution Approach 1:
The invention extracts and removes the grass cutting function from the lawn maintenance system, keeping only the essential trampling function. By using a height sensor to detect grass height and selectively trampling only tall grass, the system eliminates the harmful effects of cutting grass (noise, debris cleanup) while maintaining the lawn at the desired height.
Solution Approach 2:
The invention replaces the mechanical grass cutting system with a sensor-based detection and selective trampling system. Instead of using blades to cut all grass uniformly, the system uses a height sensor to detect grass height and activates the trampling device only when necessary, substituting mechanical cutting with intelligent sensor-controlled mechanical pressure.
2Reliability
If grass is cut by traditional lawn compactors to maintain height, then lawn appearance is maintained, but the process is noisy and requires hard work
Solution Approach 1:
The invention implements a feedback control system where a height sensor continuously monitors grass height and provides feedback to the control unit. When the sensor detects that grass height exceeds the preset threshold, the control unit activates the trampling device to reduce the height. This closed-loop feedback ensures reliable lawn height maintenance while avoiding unnecessary trampling and reducing operational noise and effort.
Solution Approach 2:
The lawn maintenance system performs self-service through automatic detection and activation. The height sensor automatically detects when grass needs trimming, and the control unit automatically activates the trampling device without requiring manual intervention. This self-service capability maintains lawn appearance reliably while eliminating the hard work associated with manual operation of traditional compactors.
3Productivity
If traditional lawn compactors cut grass uniformly, then all grass is trimmed, but cut grass cleanup becomes difficult and time-consuming
Solution Approach 1:
The invention extracts the grass cutting operation entirely from the maintenance process, replacing it with selective trampling. By using the height sensor to identify only the grass that exceeds the desired height, the system tramples only specific areas rather than cutting all grass uniformly. This eliminates the creation of cut grass debris and the subsequent time-consuming cleanup process, significantly improving productivity while reducing time loss.
Data Source
AI summary
An automatic lawn compactor includes a case, a battery pack, a controller, a driving device and a trampling device. The battery pack is disposed in the case. The battery pack is configured to supply electrical power to the driving device. The controller is connected with the driving device for controlling the driving device. The driving device is configured to drive the automatic lawn compactor to move autonomously on the lawn. The grass on the lawn is trampled by the trampling device as the automatic lawn compactor moves on the lawn. Through regular trampling the lawn, the grass on the lawn is kept at a certain height to realize the beauty and ornamentality of the lawn. The automatic lawn compactor overcomes the shortcomings of large noise, the difficulty of cleaning up the grass, and the hard work by the existing lawn compactors.