Wearable Animal Herding System Using Virtual Boundaries
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Solution Overview
Problem
Existing methods for managing grazing animals, including physical and simulated fences, are inefficient and costly, leading to uneven grazing patterns and negative impacts on rangeland ecosystems, as animals tend to disperse and require constant monitoring and retraining to maintain herd integrity.
Innovation Solution
A system of devices attached to animals that use RF transceivers, processors, and stimulation components to maintain herd cohesion by reinforcing natural grazing instincts, allowing animals to move together and adjust density, with GPS and cellular communication for monitoring and control, ensuring uniform grazing and optimal forage distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical fences are used to enclose pastures, then livestock can be contained and managed, but the cost and resources required for building and maintaining fences increase significantly
Solution Approach 1:
The patent replaces physical mechanical fences with an electronic system consisting of wearable stimulators, GPS receivers, and a control server. The system uses electronic signals and software algorithms to define and enforce virtual pasture boundaries, eliminating the need for physical fence construction and maintenance while maintaining reliable herd containment.
2Ease of operation
If animals are allowed to graze freely in enclosed areas, then constant supervision is reduced, but animals spread out and do not graze in natural herd configuration
Solution Approach 1:
The system continuously monitors the positions of all animals via GPS receivers and provides real-time feedback through selective stimulation. When animals stray from the herd or virtual boundaries, the system automatically applies stimuli to guide them back, maintaining natural herd configuration without requiring constant human supervision.
3Productivity
If portable electric fences are used for rotational grazing, then animals can be moved systematically across rangeland, but the fencing becomes difficult to build and move on large areas with limited forage density
Solution Approach 1:
The patent replaces portable physical fences with virtual boundaries defined by GPS coordinates and software control. This eliminates the need to physically construct, transport, and reassemble fence materials for rotational grazing, allowing systematic movement of herds across large rangeland areas with minimal infrastructure.
4Reliability
If GPS technology is used to create simulated fences, then animals can be contained in designated areas, but the devices become complex and expensive
Solution Approach 1:
The system divides the containment function into separate independent components: wearable stimulators on animals, GPS receivers for location tracking, and a centralized control server for boundary management. This segmentation allows each component to be optimized independently and reduces overall system complexity compared to integrated solutions.
5Measurement precision
If ground based transponders are used for simulated fencing, then animals can be monitored in small areas, but the range is limited and signal propagation characteristics cause unreliability
Solution Approach 1:
The patent introduces GPS satellite signals as an intermediary for position detection, replacing ground-based transponder systems. GPS provides global coverage, penetrates through vegetation and terrain obstacles, and offers reliable positioning without suffering from the signal propagation limitations of ground-based systems.
Data Source
AI summary
Herd control methods and systems are described that can achieve great benefits over conventional methods when applied to animal and range management. The methods allow much greater animal density than is possible by other means of intensive grazing. A herd can be turned out in a large pasture or unfenced rangeland without dispersal. The herd constantly moves to find new forage and water without the negative consequences of uncontrolled grazing, and fencing can be reduced or eliminated. The methods use devices attached to some or all of a plurality of animals to replicate a herdsman rather than a fence. These herding devices are equipped with components for measuring the distance to neighboring devices. A stimulation component actuated by the processor applies a stimulus, such as a sound or an electric shock, if the animal is too far from the herd.