Agricultural Vehicle Navigation for Sink Region Soil Compaction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Agricultural work vehicles face challenges in navigating sink regions, which are areas of standing water or moist soil that can cause traction issues and undue soil compaction, leading to inefficient operations and potential vehicle impaction.
Innovation Solution
An agricultural system equipped with sensors to identify sink regions, determine vehicle weight, and evaluate soil compaction impact, generating commands to either navigate around or through these regions based on soil characteristics and vehicle capabilities, thereby mitigating soil compaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the agricultural work vehicle traverses the sink region along the default path, then the agricultural operation can proceed without deviation, but soil compaction may occur exceeding acceptable constraints
Solution Approach 1:
The system performs preliminary evaluation of sink regions before the vehicle reaches them. The controller assesses sink region characteristics (size, depth, location) and vehicle weight in advance to determine potential soil compaction impact, generating avoidance commands before the vehicle enters the sink region, thereby preventing soil compaction before it occurs
Solution Approach 2:
The system dynamically adjusts the vehicle path based on real-time conditions. The controller continuously monitors sink region characteristics and vehicle weight, dynamically generating commands to deviate from the default path when soil compaction risk is detected, and allowing return to the default path when risk is acceptable, making the navigation adaptive and flexible
2Object-affected harmful factors
If the agricultural work vehicle avoids the sink region by generating a sink region path, then soil compaction is mitigated, but the agricultural operation time increases due to path deviation
Solution Approach 1:
The system applies partial avoidance by generating sink region paths that deviate only from the default path when necessary, rather than completely avoiding all sink regions. The controller evaluates each sink region individually and generates avoidance commands only when the potential soil compaction impact exceeds constraints, allowing the vehicle to proceed along the default path when compaction risk is acceptable, thus minimizing unnecessary path deviations and time loss
3Object-affected harmful factors
If the system evaluates sink region characteristics and vehicle weight to determine soil compaction impact, then accurate soil compaction mitigation is achieved, but the system complexity increases
Solution Approach 1:
The controller performs multiple functions using a single integrated system. It collects sink region information from sensors, extracts sink region characteristics, receives vehicle weight data, evaluates potential soil compaction impact, and generates navigation commands all within one controller, avoiding the need for separate dedicated systems for each function and thereby managing complexity while achieving accurate soil compaction mitigation
Data Source
AI summary
An agricultural system includes a sink region sensor configured to collect information regarding a sink region; a vehicle sensor configured to collect information regarding current vehicle weight when proximate to the sink region; and a controller. The controller includes processor and memory architecture executing control logic to: receive the sink region information and extract sink region characteristics; receive the current vehicle weight; determine a potential soil compaction impact of the agricultural work vehicle traversing the sink region in view of the sink region characteristics and the current vehicle weight; generate commands associated with a sink region path to at least partially avoid the sink region when the potential soil compaction impact exceeds a soil compaction constraint for the sink region; and generate commands to proceed along the default path when the potential soil compaction impact does not exceed the soil compaction constraint.