Course Control System Technology

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

Course components

Lecture/Exercise

Objectives

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

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Course Control System Technology

Course

Meets requirements of following modules(MID)

Course Organization

Instruction language

Study Level

Prerequisites

Textbooks, Recommended Reading

Instructors

Supporting Scientific Staff

Transcipt Entry

Assessment

Course components

Lecture/Exercise

Objectives

Contents

Acquired Skills

Additional Component Assessment

Project

Objectives

Acquired Skills

Operational Competences

Additional Component Assessment