Cyber Physical System: Architecture, Applications and Research Challenges
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This document discusses cyber physical systems (CPS), including key applications like healthcare, transportation, and infrastructure. It proposes an architecture for CPS with modules for sensing, data management, next generation internet connectivity, service awareness, application functions, and actuation. It also discusses security and privacy challenges for CPS given their integration of physical and computational systems. Open research challenges are presented in areas like QoS-aware communication protocols, resource management, power management, simulation tools, and testbed implementations.
![Architecture Contents
Sensing Module:
Data collection from physical world through sensors.
Data Management Module(DMM):
Consists of the computational devices and storage media.
Next Generation Internet:
Enabling applications to select the path, or paths that their packets take
between the source and destination.
Service Aware Modules (SAM):
Sensed data is being recognized and sent to the services available.
Application Module (AM):
Services are deployed and interact with NGI.
Info is saved on database for QoS support. [NoSQL]
Sensors and Actuators:
Actuator receives the commands from the Application Module, and
executes.
3/9/2015CPS@Wireless Days 2013
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Cyber Physical System: Architecture, Applications and Research Challenges
- 1. S Y E D H A S S A N A H M E D , G W A N G H Y U N K I M A N D D O N G K Y U N K I M . h a s s a n @ m o n e t . k n u . a c . k r M O N E T W I R E L E S S L A B O R A T O R Y K Y U N G P O O K N A T I O N A L U N I V E R S I T Y S O U T H K O R E A . Cyber Physical System: Architecture, Applications and Research Challenges
- 2. Contents Key Trends in Systems. CPS Applications. Proposed Architecture. Dynamic Communications. CPS Integration. Open Research Challenges. 3/9/2015CPS@Wireless Days 2013 2 Source: www.cs.binghamton.edu
- 3. Key Trends in Systems 3/9/2015CPS@Wireless Days 2013 3 System complexity Increasing functionality Increasing integration and networking interoperability Growing importance and reliance on software Increasing number of non-functional constraints Nature of tomorrow’s systems Dynamic, ever-changing, dependable, high-confidence Self-*(aware, adapting, repairing, sustaining) Cyber-Physical Systems Everywhere, used by everyone, for everything Expectations: 24/7 availability, 100% reliability, 100% connectivity, instantaneous response, remember everything forever, ... Classes: young to old, able and disabled, rich and poor, literate and illiterate, ... Numbers: individuals, special groups, social networks, cultures, populations, ...
- 4. CPS Applications 3/9/2015CPS@Wireless Days 2013 4 Healthcare Medical devices Health management networks Transportation Automotive electronics Vehicular networks and smart highways Aviation and airspace management Avionics Railroad systems Process control Large-scale Infrastructure Physical infrastructure monitoring and control Electricity generation and distribution Building and environmental controls Defense systems Tele-physical operations Telemedicine Tele-manipulation
- 5. Architecture Contents Sensing Module: Data collection from physical world through sensors. Data Management Module(DMM): Consists of the computational devices and storage media. Next Generation Internet: Enabling applications to select the path, or paths that their packets take between the source and destination. Service Aware Modules (SAM): Sensed data is being recognized and sent to the services available. Application Module (AM): Services are deployed and interact with NGI. Info is saved on database for QoS support. [NoSQL] Sensors and Actuators: Actuator receives the commands from the Application Module, and executes. 3/9/2015CPS@Wireless Days 2013 5
- 6. Security Assurance 3/9/2015CPS@Wireless Days 2013 6 How can we provide people and society with cyber-physical systems that they can trust their lives on? Trustworthy: Reliable, Secure, Privacy- preserving, Usable, etc.
- 7. Security for CPS 3/9/2015CPS@Wireless Days 2013 7 Safety, Security and Privacy Primary aim of all CPS design Ensure no harm comes to the underlying physical process Ensuring security/privacy crucial for safety CPS are deployed in missions critical settings Collect sensitive data and can actuate changes in the physical process Composing individually secure systems into a composed system might not be good enough Computation and Energy limitations . Utilizing properties from underlying physical process might be a way to proceed
- 9. Dynamic Communications 3/9/2015CPS@Wireless Days 2013 9 NGI DMM Service Aware Module Application Module S1 S1 S1 S1A1 S1A1 AM S1A1 SAM S1 S1A1 1st Time, S1 Similar Data Physical Devices Actuators. IoT WSN Wired M2M
- 10. CPS Integration Vehicular Scenario: Service aware modules make communication and control efficient by providing the best application in different services to a single car. Agriculture Scenario: Greenhouse: After receiving a configuration of greenhouse by consumer, here our feedback awareness makes network efficient to control different services like watering, humidity, plant health monitoring etc. with real time control. Health Scenario: Hospital: Real time monitoring and control can be achieved by Data Management Module and Service awareness module which also plays an important role in order to provide QoS monitoring. While designing a system for hospital, sensitive applications are queued on the top priority. 3/9/2015CPS@Wireless Days 2013 10
- 11. Open Challenges & Future Work… 3/9/2015CPS@Wireless Days 2013 11 QoS-Aware Communication Protocols: Identification of application requirement of each type of traffic. Efficiency. Resource Management: Huge amount of dynamic data. Auto Management Techniques are required. QoS-Aware Power Management: In CPS, dynamic computing demands much CPU energy. Minimization can be proposed by exploiting dynamic voltage technology. Simulation Tools: Simulation models dealing with dynamic communications. Future Work: Implementing Proposed Architecture in Simulated/Test-bed Environments. Smart/Unifying Routing Schemes are required for Real Time sensing/actuating devices.
- 12. Q/A Session… 3/9/2015CPS@Wireless Days 2013 12 MoNeT Wireless Lab, Kyungpook National University, South Korea. http://monet.knu.ac.kr THANK YOU