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Design and control of a low profile electromagnetic actuator for foldable pop-up mechanisms

Related publications (83)

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Exploiting Free Vibration of an Elastic Beam for Stable Running Locomotion

Xiaoyun Yu, Nitesh Maheshwari

Most of the conventional legged robots are based on rigid body parts connected by high-torque actuators and a sophisticated control scheme to achieve stable running locomotion. The energy-efficiency of such robots is roughly 10-100 times lower than that of ...

2012

Linear multi-modal actuation through discrete coupling

Nitesh Maheshwari

Due to technological limitations robot actuators are often designed for specific tasks with narrow performance goals, whereas a wide range of output and behaviours is necessary for robots to operate autonomously in uncertain complex environments. We presen ...

IEEE2012

A soft robotic actuator using dielectric minimum energy structures

Dario Floreano, Herbert Shea, Samuel Rosset, Jun Shintake

Dielectric minimum energy structures are capable of large actuation stroke, and consist of a pre-stretched dielectric elastomer actuator (DEA) laminated onto a flexible frame, which makes it easy to obtain both simple and complex shapes. We report here on ...

2012

Comparison of Cost Functions for Electrically Driven Running Robots

Roland Siegwart

In this work we apply optimal control to create running gaits for the model of an electrically driven one legged hopper, and compare the results obtained for five different objective functions. By using high compliant series elastic actuators, the motions ...

2012

A bidirectional shape memory alloy folding actuator

Jamie Paik

This paper presents a low-profile bidirectional folding actuator based on annealed shape memory alloy sheets applicable for meso-and microscale systems. Despite the advantages of shape memory alloys-high strain, silent operation, and mechanical simplicity- ...

2012

Multi-Finger Haptic Devices Integrating Miniature Short-Stroke Actuators

Grégory Savioz

The omnipresence of electronic devices in our everyday life goes together with a trend that makes us always more immersed during their utilization. By immersion, we mean that during the development of a new product, it is more and more required to stimulat ...

EPFL2012

Energy-Efficient Continuous Activity Recognition on Mobile Phones: An Activity-Adaptive Approach

Karl Aberer, Zhixian Yan, Dipanjan Chakraborty

Power consumption on mobile phones is a painful obstacle towards adoption of continuous sensing driven applications, e.g., continuously inferring individual’s locomotive activities (such as ‘sit’, ‘stand’ or ‘walk’) using the embedded accelerometer sensor. ...

Ieee2012

Microfrabricated Mirrors For Space Applications

Nico de Rooij, Caglar Ataman, Wilfried Noell, Sébastien Lani, Dara Zaman Bayat, Benedikt Guldimann

We report on the advances towards the design and fabrication of a system consisting or two 10mm mirrors, one actuated magnetically and the other electrostatically. The system will be used for beam steering. The maximum resonant frequencies and deflection a ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2011

Robotique collective et auto-assemblage

Michael Bonani

We present a study of collective robotics by including a mechatronics point of view. In the field it is usually claimed that collective robots are simple and relatively cheap because they are produced in large quantities. Instead in our study we show that ...

EPFL2010

Application of ultrasonic motors to MR-compatible haptic interfaces

Dominique Chapuis

Functional Magnetic Resonance Imagery (fMRI) is an imaging technique allowing the observation of brain activity. Haptic interfaces can be used in conjunction with fMRI to stimulate the subject while measuring brain activity. Using robotic stimulation over ...

EPFL2009