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151-0851-00L 4 Credits BSC , MSC D-ITET , D-MATH , D-INFK , D-MAVT , D-ERDW , D-PHYS
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Robot Dynamics

Lecturers & Examiners: Prof. Dr. Roland Siegwart, Prof. Dr. Marco Hutter
VVZ CR n/a

Last Updated: 2026-02-05 16:30:26

Abstract

We will provide an overview on how to kinematically and dynamically model typical robotic systems such as robot arms, legged robots, rotary wing systems, or fixed wing.

Objective

The primary objective of this course is that the student deepens an applied understanding of how to model the most common robotic systems. The student receives a solid background in kinematics, dynamics, and rotations of multi-body systems. On the basis of state of the art applications, he/she will learn all necessary tools to work in the field of design or control of robotic systems.

Content

The course consists of three parts: First, we will refresh and deepen the student's knowledge in kinematics, dynamics, and rotations of multi-body systems. In this context, the learning material will build upon the courses for mechanics and dynamics available at ETH, with the particular focus on their application to robotic systems. The goal is to foster the conceptual understanding of similarities and differences among the various types of robots. In the second part, we will apply the learned material to classical robotic arms as well as legged systems and discuss kinematic constraints and interaction forces. In the third part, focus is put on modeling fixed wing aircraft, along with related design and control concepts. In this context, we also touch aerodynamics and flight mechanics to an extent typically required in robotics. The last part finally covers different helicopter types, with a focus on quadrotors and the coaxial configuration which we see today in many UAV applications. Case studies on all main topics provide the link to real applications and to the state of the art in robotics.

Resources

Learning Materials (Links)

General Information

Language
English
Levels
BSC , MSC
Frequency
Yearly recurring

Examination

Type
session examination
Mode
written 120 minutes
Aids
4 A4-pages personal summary + calculator
During the semester, two interim examinations will be offered to help students assess their Robot Dynamics performance. These may improve the final grade if:- the grades of both interim exams (IE) are better than the final exam: final exam grade 70% + first IE grade 15% + second IE grade 15%.- only one IE grade is better than the final exam: final exam grade (85%) + better IE grade (15%).- otherwise, only the final exam grade counts.

Course Components

Type Title Time & Place Hours
lecture Robot Dynamics
  • Tue 10:15-12:00 (HG G 5)
2 h weekly
exercise Robot Dynamics
  • Wed 08:15-10:00 (HG D 1.1)
  • Wed 08:15-10:00 (ML H 44)
2 h weekly

Offered In