Course Control System Technology

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Responsible: Prof.Dr. Kreiser

Course

Meets requirements of following modules(MID)

• in active programs
  • Ba ET2012 STE
  • Ba ET2010 STE

Course Organization

Version created 2013-07-24 VID 1 valid from WS 2012/13 valid to

Course identifiers Long name Control System Technology CID F07_STE CEID (exam identifier)

Contact hours per week (SWS) Lecture 2 Exercise (unsplit) 2 Exercise (split) Lab Project 1 Seminar Tutorial(voluntary) 2

Total contact hours Lecture 30 Exercise (unsplit) 30 Exercise (split) Lab Project 15 Seminar Tutorial (voluntary) 30

Max. capacity Exercise (unsplit) Exercise (split) Lab Project 18 Seminar

Total effort (hours): 150

Instruction language

• German

Study Level

• undergraduate

Prerequisites

• basic programming skills (procedural language)
• sampling theorem
• Boolean algebra
• discretization of continuous data
• coding of data
• finite state machines

Textbooks, Recommended Reading

• Lauber, Göhner: Prozessautomatisierung Bd. 1 u. 2 (Springer)
• John, Tiegelkamp: SPS-Progr. mit IEC 61131-3 (Springer)
• Wellenreuther, Zastrow: Automatisieren m. SPS Theorie u. Praxis (Vieweg)
• B. Baumgarten: Petri-Netze (Spektrum Akad.)
• Priese, Wimmel: Theoretische Informatik - Petri Netze (Springer)

Instructors

• Prof. Dr. Kreiser

Supporting Scientific Staff

• Dipl.-Ing. Kellersohn

Transcipt Entry

Control System Technology

Assessment

Type
oE	normal case (except on large numbers of assessments: wE

Total effort [hours]
oE	10

Frequency: 2-3/year

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Course components

Lecture/Exercise

Objectives

Contents

• modelling
  • structure
    • system borders
    • system decomposition
    • system interfaces
    • system functionality
  • behavior
    • state charts (SC)
      • hybrid nets
      • concurrency
      • hierarchy and history
      • concept of actions
    • petri nets
      • place/transition nets (P/T)
        • net elements
        • incidence matrix
          • forward matrix
          • backward matrix
      • condition/event nets (C/E)
      • behavioral analysis
        • firing sequences
        • reachability graph
        • coverability graph (option)
        • invariants (option)
      • net properties assessment
        • liveness
        • reversibility
        • boundedness
        • determinism
      • signal interpreted petri nets (SIPN)
      • modeling pattern
        • complementary place / reservation
        • arcs
          • test arc
          • inhibitor arc
          • event arc (option)
        • hierarchy
          • timed transitions
          • transition subnets
          • place subnets
          • concept of pages
        • calculated arc weight
• Steuerungssysteme
  • signal processing
    • realtime
      • types
      • sources of time conditions
    • discretization
      • value axis
      • time axis
  • sensors
    • structure of sensor systems with respect to signal processing
    • calibration (option)
  • actuators
    • structure of actuator systems with respect to signal processing
  • controller devices
    • IPC
      • program organization
        • resources
        • RTOS
          • tasks and threads
          • scheduling
      • device categories
        • µC-Boards
        • process computer
        • PAC
        • RTU
    • PLC
      • EN61131
        • configuration
          • resources
          • cyclic tasks
          • IO variables
        • program organization
          • POU
          • data types
          • function blocks
        • programming languages
          • overview
          • procedural languages (ST)
          • graphical languages (FB)
      • pattern driven realization of SIPN on PLC
      • examples of controller devices
  • distributed automation systems
    • communication
      • structures
        • star
        • bus
        • ring
        • redundancy
      • methods
        • shared memory
        • message passing
          • asynchronous
          • synchronous
          • rendezvous
        • futures
    • OSI model
      • protocol layers
      • MAC
        • deterministic
        • non deterministic
    • field busses
      • industrial (EN61158)
        • Interbus
        • Profibus
        • Profinet
      • automotive (option)
        • CAN
        • Flexray
    • area networks
      • protocol layers
        • IEEE802
        • IP
        • transport protocols
          • UDP
          • TCP
          • SCTP
      • Industrial Ethernet
        • hardware
        • QoS (option)
          • redundancy (RSTP)
          • virtual nets (VLAN)
    • process control systems (PCS, SCADA systems)
      • EN 61499
        • architecture
        • programming
      • safety
        • device related safety
        • network related safety
    • MES and ERP (option)
  • object tracking (option)
    • automatic object identification (AutoID)
    • object history
    • protocols

Acquired Skills

• modeling event driven systems (behavior)
  • derive system behaviour from comprehensive technical documents
    • capture any essential information out of technical documents
    • recognize implicit information
    • identify and resolve missing information
  • model as state chart
    • recognize finite state chart (FSC) as special form
    • signal interpreted net (SIN)
  • model as petri net
    • CE net
    • PT net
      • know syntax
      • consistently and constructively use pattern and makros
    • hierarchical nets
      • use deep hierarchy
      • use flat hierarchy
    • signal interpreted net (SIN)
  • consistently and constructively use petri net development tools
  • verify models
    • define suitable criteria
      • equivalence
      • completeness
      • determinism
      • liveness
      • reversibility
      • boundedness
      • meet given modeling assumptions
      • …
    • define test cases
    • conduct model reviews
      • by own
      • with peer
      • graphical analysis
      • mathematical analysis
    • conduct dynamic tests using model simulator
  • correct and optimize models based on review and test results
• control system design
  • real time aspects
    • derive real time conditions
    • choose control devices
    • choose bus systems
    • show real time capabilities of control systems
  • programming PLC with ST (EN61131-3)
    • use ST programming syntax
    • use function blocks
    • model driven development
      • design coding templates (pattern) to transform SIPN models into PLC
      • design code generator to transform SIPN models into PLC
        • based on C/E nets
        • based on P/T nets
  • modeling control flows in a PCS (EN61499)

Additional Component Assessment

Type
fAP	2-3 electronic tests (20min each), repeatable 1x
fPS	excercise (on course and self study)

Contribution to course grade
fAP	prerequesite to fTP
fPS	not rated

Frequency: 1/year

Project

Objectives

Acquired Skills

• programming control systems
  • consistently and constructively use professional PLC-IDE
  • configure essential attributes of a PLC device
  • consistently use ST programming language
  • use synchronous message passing
  • constructively use function blocks in programs
• use target simulator in interaction with PLC IDE

Operational Competences

• manage complex tasks as a team
  • plan and control small projects
  • meet agreements and deadlines
  • plan and conduct reviews
• model real world systems
  • system analysis
    • derive system structure and system behaviour from comprehensive technical documents
    • evaluate and take account of system borders and system interfaces
    • decompose system structure
      • define useful subsystems
      • define subsystem functions
      • define subsystem interfaces
  • develop controller model
    • design hierarchical controller model
    • model controller subsystems as SIPN
    • verify and evaluate controller subsystem models
      • conduct dynamic test using petri net simulator
      • conduct peer review
    • integrate controller subsystem models
    • verify and evaluate controller model using petri net simulator
• program PLC controller
  • configure PLC
    • define cyclic tasks
    • use given IO-variables
    • use given user interface
  • use model transformations
    • transform controller subsystem models into ST programs using transformation pattern
    • integrate controller subsystem programs on PLC
    • verify controller program on PLC
      • test subsystems using target system emulator
      • conduct integration test using target system emulator
• conduct controller launch on target system

Additional Component Assessment

Type
fTP	3 lab experiments (each 4h) per project team
oR	presentation on fTP (20min per project team)

Contribution to course grade
fTP	Attestation
oR	prerequisite to course exam

Frequency: 1/year