Hydraulic Servo Systems, 6 credits

Hydrauliska servosystem, 6 hp

TMHP51

Course starting semester

Main field of study

Electrical Engineering Mechanical Engineering

Course level

Second cycle

Course type

Programme course

Examiner

Samuel Kärnell

Director of studies or equivalent

David Lundström

Education components

Preliminary scheduled hours: 54 h
Recommended self-study hours: 106 h

Possible deviation from course syllabus/programme syllabus

ECV = Elective / Compulsory / Voluntary

Course offered for		Semester	Period	Timetable module	Language	Campus	ECV
6CMMM	Mechanical Engineering, Master of Science in Engineering	7 (Autumn 2025)	2	4	English	Linköping, Valla	E
6CMMM	Mechanical Engineering, Master of Science in Engineering (Mechatronics)	7 (Autumn 2025)	2	4	English	Linköping, Valla	C
6MMEC	Mechanical Engineering, Master's Programme	1 (Autumn 2025)	2	4	English	Linköping, Valla	C/E

Main field of study

Electrical Engineering, Mechanical Engineering

Course level

Second cycle

Advancement level

A1N

Course offered for

Master of Science in Mechanical Engineering
Master's Programme in Mechanical Engineering

Prerequisites

Fluid power systems, Automatic Control

Intended learning outcomes

This course intends to give a detailed knowledge in hydraulic servo systems and its applications. The contents of the course covers both the mobile and industrial areas and theor different characteristics. After completing the course the student is expected to

understand the function and characteristics of hydraulic servo components
be able to apply calculation methodology for component selection and system design
be able to model and implement dynamic analyzes of closed loop hydraulic servo systems regarding performance, controllability and energy consumption
be able to analyze measurements on components and systems

Course content

Extended theory on orifices, flow forces on valve elements and fluid physical properties. Modelling and simulation technology. Mathematical modelling of component and system dynamics. Control engineering analysis. Simulation of fluid systems dynamics. Proportional and servo valve designs and characteristics of different pilot and power stages. Servo systems for control of position, velocity and force. Multi-axis loads. Control strategies and dynamic characteristics. Sensor technologies and measurement methods for components specific to hydraulic servo systems.

Teaching and working methods

The teaching consists of lectures, lessons and laboratory exercises. Educational study visits are made to different industries.

Examination

UPG2	Hand-in assignment	2 credits	U, G
TEN3	Written examination	3 credits	U, 3, 4, 5
LAB3	Laboratory work	1 credits	U, G

Grades

Four-grade scale, LiU, U, 3, 4, 5

Other information

Supplementary courses

TMHP06 - Fluid power systems, advanced course
TMMS32 - Modelling and simulation of mechatronic systems
TMPM06 - Project Course Advanced - Mechatronics

About teaching and examination language

The teaching language is presented in the Overview tab for each course. The examination language relates to the teaching language as follows:

If teaching language is “Swedish”, the course as a whole could be given in Swedish, or partly in English. Examination language is Swedish, but parts of the examination can be in English.
If teaching language is “English”, the course as a whole is taught in English. Examination language is English.
If teaching language is “Swedish/English”, the course as a whole will be taught in English if students without prior knowledge of the Swedish language participate. Examination language is Swedish or English depending on teaching language.

Other

The course is conducted in such a way that there are equal opportunities with regard to sex, transgender identity or expression, ethnicity, religion or other belief, disability, sexual orientation and age.

The planning and implementation of a course should correspond to the course syllabus. The course evaluation should therefore be conducted with the course syllabus as a starting point.

The course is campus-based at the location specified for the course, unless otherwise stated under “Teaching and working methods”. Please note, in a campus-based course occasional remote sessions could be included.

Department

Institutionen för ekonomisk och industriell utveckling

Course literature

Compendia

J-O Palmberg, Analys och syntes av en tryckregulator
Krus P, Introduction to Transmission Line Dynamics
Palmberg J-O, Tryckstyrning
Rydberg K-E, Feedbacks in Hydraulic Servo Systems
Rydberg K-E, Hydraulic Servo Systems - Theory and Applications
Rydberg K-E, Hydraulic Systems with Load Dynamics

Other

Formula Book for Hydraulics and Pneumatics

Code	Name	Scope	Grading scale
UPG2	Hand-in assignment	2 credits	U, G
TEN3	Written examination	3 credits	U, 3, 4, 5
LAB3	Laboratory work	1 credits	U, G

Student rights and obligations (login required)
Linköping University common rules and regulations (in Swedish)

Compendia

J-O Palmberg, Analys och syntes av en tryckregulator

Krus P, Introduction to Transmission Line Dynamics

Palmberg J-O, Tryckstyrning

Rydberg K-E, Feedbacks in Hydraulic Servo Systems

Rydberg K-E, Hydraulic Servo Systems - Theory and Applications

Rydberg K-E, Hydraulic Systems with Load Dynamics

Other

Formula Book for Hydraulics and Pneumatics

Download

Download course literature list as PDF

Note: The course matrix might contain more information in Swedish.

I = Introduce, U = Teach, A = Utilize

		I	U	A	Modules	Comment
1. DISCIPLINARY KNOWLEDGE AND REASONING
	1.1 Knowledge of underlying mathematics and science (G1X level)			X	UPG2	Math, physics, Control Engineering, Programming
	1.2 Fundamental engineering knowledge (G1X level)	X	X	X	TEN3 UPG2 LAB3	Mechanics, fluid mechanics, machine elements, electronics
	1.3 Further knowledge, methods, and tools in one or several subjects in engineering or natural science (G2X level)	X	X		UPG2 LAB3	Hydraulics, control engineering, modeling and simulation, static electromagnetism
	1.4 Advanced knowledge, methods, and tools in one or several subjects in engineering or natural sciences (A1X level)	X	X		TEN3 UPG2 LAB3	Fluid power servo systems and non-linear simulation techniques.
	1.5 Insight into current research and development work	X	X		LAB3	Advanced elaborative work in servo systems
2. PERSONAL AND PROFESSIONAL SKILLS AND ATTRIBUTES
	2.1 Analytical reasoning and problem solving		X		TEN3 UPG2	Advanced studies on engineering problems
	2.2 Experimentation, investigation, and knowledge discovery	X	X	X	UPG2 LAB3	Practical studies for model validation
	2.3 System thinking	X	X		TEN3 UPG2	Advanced and detailed modelling of system and components
	2.4 Attitudes, thought, and learning		X		UPG2 LAB3	Engineering discipline in modelling and calculations
	2.5 Ethics, equity, and other responsibilities	X				The fields close connection to military applications are addressed
3. INTERPERSONAL SKILLS: TEAMWORK AND COMMUNICATION
	3.1 Teamwork			X	UPG2 LAB3
	3.2 Communications			X	UPG2	Communicate technical solutions in form of reports and studies thereof.
	3.3 Communication in foreign languages			X	UPG2	The course is given in English
4. CONCEIVING, DESIGNING, IMPLEMENTING AND OPERATING SYSTEMS IN THE ENTERPRISE, SOCIETAL AND ENVIRONMENTAL CONTEXT
	4.1 External, societal, and environmental context	X				The power requirements of servos systems and the ecological effects of the fluid sued are addressed
	4.2 Enterprise and business context	X	X		UPG2	The general cost of servo systems are addressed along with vendor lock-in effects
	4.3 Conceiving, system engineering and management	X	X	X	TEN3 UPG2	Major assignments on product development
	4.4 Designing	X	X		TEN3 UPG2	Major focus on analysis of mechatronic servo systems
	4.5 Implementing		X	X	UPG2	Fluid power system design is studied on functional levels
	4.6 Operating	X	X		LAB3	Operation and controller adjustment of real servo system.
5. PLANNING, EXECUTION AND PRESENTATION OF RESEARCH DEVELOPMENT PROJECTS WITH RESPECT TO SCIENTIFIC AND SOCIETAL NEEDS AND REQUIREMENTS
	5.1 Societal conditions, including economic, social, and ecological aspects of sustainable development for knowledge development	X				The power requirements of servos systems and the ecological effects of the fluid sued are addressed
	5.2 Economic conditions for knowledge development	X	X		UPG2	The general cost of servo systems are addressed along with vendor lock-in effects
	5.3 Identification of needs, structuring and planning of research or development projects	X	X	X	TEN3 UPG2 LAB3	Major assignments on product development
	5.4 Execution of research or development projects	X	X	X	UPG2	Fluid power system design is studied on functional levels, recent research regarding wave propagation introduced
	5.5 Presentation and evaluation of research or development projects	X	X		LAB3	Operation and controller adjustment of real servo system.

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