Work

Wearable animal protection technology using non-invasive energy fields for wildlife and domestic animal safety.

Year: 2025
Type: article
Abstract: Inviso-Shield Collar: Complete Technical Description for Open Science Publication Title: Inviso-Shield Collar - A Non-Invasive Wearable Protection System for Wildlife and Domestic Animals Using Bio-Sensing and Adaptive Acoustic Deterrence 1. Technical Field The Inviso-Shield Collar relates to the field of animal protection technology, specifically wearable devices that create non-invasive protective fields around animals. It combines bio-sensor technology, low-frequency acoustic emissions, adaptive artificial intelligence, and solar power to protect wildlife and domestic animals from human threats including poaching, habitat encroachment, and harassment, while simultaneously collecting behavioral data for conservation research. 2. Background and Problem Statement Wildlife populations face unprecedented threats from human activities including poaching, habitat encroachment, and direct harassment. Traditional protection methods—physical barriers, armed patrols, and relocation—are expensive, resource-intensive, and often ineffective. For domestic animals, threats include theft, predation, and accidental human interference. Existing anti-poaching technologies (GPS tracking collars, camera traps) are reactive—they record incidents after they occur rather than preventing them. What is needed is a proactive deterrent that prevents human-animal conflict before it happens, while causing no distress to the protected animal or harm to potential threats. 3. Summary of the Invention The Inviso-Shield Collar is a lightweight, solar-powered wearable device that creates an invisible protective field around an animal using low-frequency acoustic signals and soft light emissions. The system continuously monitors the animal's physiological state and surrounding environment, activating its deterrent field only when necessary and at intensity levels appropriate to the threat. Core Innovation: A closed-loop protection system where bio-sensors detect both the animal's stress state and approaching threats, an AI unit determines the appropriate response, and non-invasive acoustic/light emissions deter human threats without causing pain, distress, or habituation to the animal. Key Capabilities: · Creates a 10-50 meter diameter protective zone around the animal · Detects human approach through multiple sensor modalities · Adapts deterrent intensity based on threat proximity and animal stress · Operates continuously for years through solar power · Transmits behavioral and safety data to conservation networks 4. Detailed Technical Description 4.1 Physical Design and Specifications Form Factor: · Weight: 150-300 grams (species-optimized versions) · Dimensions: Adjustable circumference 20-80 cm · Width: 3-5 cm collar band · Height: 2-4 cm housing for electronics · Material: Flexible, weather-resistant, biocompatible polymer Durability: · Operating temperature: -20°C to +50°C · Waterproof: IP68 (submersible to 10 meters) · Impact resistance: Withstands animal combat and environmental hazards · Lifespan: 3-5 years continuous operation 4.2 Core Components 4.2.1 Bio-Sensor Array The collar continuously monitors both the animal's physiological state and the surrounding environment: Animal Physiological Sensors: · Heart Rate Monitor: Optical or ECG-based sensor tracking cardiac activity (30-250 BPM range) · Stress Hormone Sensor: Emerging technology for real-time cortisol detection in sweat/perspiration · Body Temperature: Continuous core temperature monitoring · Activity Monitor: Accelerometer tracking movement patterns, resting, and agitation states · Vocalization Sensor: Acoustic detection of distress calls or unusual vocalizations Environmental Threat Sensors: · Proximity Radar: Low-power Doppler radar detecting approaching objects within 50 meters · Acoustic Threat Detection: Microphone array identifying human voices, vehicle engines, gunshots, chainsaws · Passive Infrared (PIR): Heat signature detection of humans and vehicles · Vibration Sensor: Ground vibrations from footsteps or vehicles · Light Sensor: Detecting artificial light sources (flashlights, vehicle headlights) in dark conditions Technical Specifications: · Sampling rate: 1-100 Hz depending on sensor type · Power consumption: 50-200 mW total sensor array · Data processing: On-device preprocessing to reduce transmission needs 4.2.2 AI Control Unit The embedded AI system processes sensor data and makes real-time protection decisions: Hardware: · Low-power ARM Cortex-M4 or M7 processor (or equivalent RISC-V) · 1-4 MB embedded SRAM · 16-64 MB flash storage for local data buffering · Dedicated neural processing unit (NPU) for AI inference Software Capabilities: · Multi-Sensor Fusion: Combines data from all sensors to build comprehensive threat picture · Anomaly Detection: Identifies patterns deviating from normal baseline · Threat Classification: Distinguishes between humans, vehicles, animals, and environmental noise · Stress State Assessment: Continuously evaluates animal's stress level using physiological data · Adaptive Response Selection: Determines optimal deterrent intensity based on threat proximity, animal stress, and species-specific factors Machine Learning Models: · Pre-trained species-specific models (elephant, rhino, tiger, wolf, domestic dog/cat variants) · Continuous learning capability to adapt to individual animal behavior patterns · Federated learning architecture allowing model improvements across collar network 4.2.3 Energy Field Generator The protective field is created through non-invasive emissions that deter human threats: Low-Frequency Acoustic Emitters: · Frequency Range: 20-200 Hz (infrasound to low audible range) · Sound Pressure Level: 60-100 dB at 1 meter (adjustable) · Beam Pattern: Omnidirectional or directional (software-selectable) · Modulation: Complex waveforms avoiding simple patterns that could be habituated to · Psychoacoustic Effect: Creates discomfort or unease in humans without causing pain or hearing damage Soft Light Emitters: · Type: High-efficiency LEDs (visible and infrared) · Wavelengths: · Visible: 520-540 nm (green, most visible to human night vision) · Infrared: 850-940 nm (for night vision camera detection) · Patterns: Flashing, pulsing, or moving light patterns · Intensity: 10-100 lumens (adjustable, never blinding) Field Characteristics: · Effective range: 10-50 meters (adjustable based on power availability) · Activation time: <100 milliseconds from threat detection · Duration: Programmable (continuous while threat present, or pulsed) · Species-specific profiles: Different frequencies/patterns for different threat types 4.2.4 Solar Power Module Self-sustaining power system enabling multi-year operation: Solar Cells: · Type: Flexible thin-film photovoltaic (CIGS or organic PV) · Efficiency: 15-22% (flexible cells) · Area: 50-100 cm² distributed around collar surface · Placement: Multiple segments ensuring some exposure regardless of animal position Power Management: · Peak Power Tracking: Maximum power point tracking (MPPT) for optimal solar harvesting · Battery Chemistry: Lithium-ion or lithium-polymer, 2000-5000 mAh capacity · Battery Life: 7-14 days with zero solar input (full darkness) · Charge Time: 4-8 hours full sun for complete charge · Power Budget: Average 100-500 mW continuous operation; solar provides 200-1000 mW peak Energy-Saving Features: · Duty-cycled sensor operation when no threats detected · Adaptive field intensity based on available power · Deep sleep mode during extended low-power periods 4.2.5 Data Transmission System Enables real-time reporting and integration with conservation networks: Connectivity Options (selectable by deployment): · Satellite: Iridium or Globalstar for remote areas without cellular · Cellular: 4G/5G LTE-M or NB-IoT for populated areas · LoRaWAN: Long-range low-power for local network deployments · Mesh Networking: Collar-to-collar communication for herd coordination Data Transmitted: · GPS location (1-60 minute intervals, adjustable) · Threat detection events (type, time, location, duration) · Animal physiological data (heart rate, stress indicators) · Deterrent activation records · System health and power status Data Frequency: · Normal operation: Location pings every 15-60 minutes · Threat event: Real-time alert transmission · Bulk data: Daily summary upload during optimal connectivity 4.3 Complete Mechanism of Operation Step 1 - Continuous Monitoring (Baseline State) In normal operation, the collar maintains low-power monitoring: · Bio-sensors sample at reduced rates (heart rate every minute, activity continuously) · Threat sensors operate in passive mode (listening, not actively scanning) · AI establishes baseline patterns for this specific animal · Solar cells charge battery; no field generation · Location reported at scheduled intervals Step 2 - Threat Detection When sensors detect potential threat: · Radar detects approaching object at 30-50 meters · Acoustic sensors identify human voices or vehicle sounds · PIR detects heat signature inconsistent with wildlife · Multiple sensor confirmations reduce false alarms The AI unit: · Correlates data from multiple sensors · Classifies threat type (human on foot, vehicle, aircraft) · Assesses threat trajectory (approaching, passing, stationary) · Checks animal's current stress state Step 3 - Field Activation Based on threat assessment, AI selects response intensity: Level 1 - Low Intensity (Threat at 30-50 meters, not directly approaching): · Low-frequency acoustic emission at 60-70 dB · Brief duration (5-10 seconds) · Single light pulses · Purpose: Announce presence,
Author: Sajedi, Asal
Language: English
Subfield: Ecology
Open Access status: green
OpenAlex ID: W7083180158
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