Technology
ROS 2 Architecture & Data Pipeline
Edge Device
Local AI processing
ROS 2 Core
Distributed compting
Security Gateway
Encryption & Privacy
Cloud Integration
Analytics & Updates
Local Processing
Local neural network inference for real-time responses and privacy protection
ROS 2 Framework
Robot Operating System 2 for reliable, distributed robotics architecture
Cloud Integration
Secure cloud services for updates, analytics, and family connectivity
Security Layer
End-to-end encryption and secure data transmission
GDPR Compliance
Privacy-by-design architecture with local data processing
Global Connectivity
Multi-region deployment with low-latency edge nodes
On‑Device Cognitive AI
Face & Emotion Detection
Understands presence and emotional state to adapt social behaviour
Speech‑to‑Text & Text‑to‑Speech
Transcribes commands and conversation fully offline
Voice Activity Detection
Decides when to listen, saving power and respecting privacy
Behaviour Policy
Selects context‑aware social responses via rule engine + Mistral
Person Tracking
Keeps eye contact and positions body naturally
Object Recognition
Identifies objects in the environment
Accessibility Engineering Checklist
Arkeo is designed with accessibility at its core, ensuring that seniors with varying abilities can interact naturally and comfortably with their companion robot.
Visual Accessibility
- Expressive face + animated LEDs give clear status feedback
- High-contrast, customisable colour palette
- Expressions sync with speech
- Welcoming bust with soft silicone skin helps first-time users feel at ease.
Auditory Accessibility
- Customisable voice (tone, language) and volume via speakers
- Clear speech synthesis
- Can relay calls/messages so socially isolated seniors stay in touch
Physical Accessibility
- Fully voice-operated, no physical interaction required, ideal for users with limited mobility
- Low-effort deployment, lightweight design (5 kg) allows users to easily relocate the unit.
- Low-profile footprint, it's compact bust design fits easily into small living spaces
- Stable base design prevents accidental tipping
Cognitive Accessibility
- Intuitive, adaptive interaction flows that match the user's pace and abilities
- Clear, natural language without jargon or complex instructions
- Consistent, predictable behavior to reduce cognitive effort and build confidence
- Context-aware memory aids and proactive, gentle reminders for daily routines
- Personalized support that adapts over time to individual habits and cognitive needs
Privacy & Security
- Local processing minimizes data transmission
- Transparent data usage with simple consent management
- Camera processes video in real-time without recording
- Regular security updates with user notification
Language & Culture
- Multi-language support including regional dialects
- Cultural sensitivity in conversation patterns
- Customizable personality and communication style
- Local emergency services integration by region
Compliance
WCAG 2.2 AA
Web Accessibility
GDPR Ready
Privacy Compliant
ADA Compliant
Accessibility Standards