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Haptic/Graphic Rehabilitation: Integrating a Robot into a Virtual Environment Library and Applying it to Stroke Therapy

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Published on: August 8, 2011

Sharing control with haptics: seamless driver support from manual to automatic control.

Mark Mulder¹, David A Abbink, Erwin R Boer

¹Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands. Mark.Mulder@tudelft.nl

|November 20, 2012

Summary

Haptic shared control reduces driver activity and improves safety during curve negotiation compared to manual control. This human-machine interface keeps drivers engaged while leveraging automation benefits.

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Area of Science:

Human-computer interaction
Automotive engineering
Control systems

Background:

Automation systems require driver vigilance due to reliability limitations.
Traditional manual vs. supervisory control modes present challenges.
Haptic shared control offers a promising alternative for driver-automation interaction.

Purpose of the Study:

To investigate haptic shared control as an intuitive human-machine interface for shared control during curve negotiation.
To compare driver and automatic controller collaboration under haptic shared control versus manual control.

Main Methods:

A driving experiment was conducted in a fixed-base simulator with 42 participants.
Curve negotiation behavior was analyzed under manual control, haptic shared control, and full automation.
Three haptic tuning configurations for the automatic controller were evaluated.

Main Results:

Haptic shared control reduced driver control activity (e.g., 16% steering wheel reversal rate) compared to manual control.
Improved safety performance was observed with haptic shared control (e.g., 11% reduction in peak lateral error).
Full automation enhanced safety significantly (35% reduction in peak lateral error) but shifted the driver to a supervisory role.

Conclusions:

Haptic shared control effectively integrates drivers into the control loop, enhancing performance while reducing control effort.
This approach mitigates issues associated with full automation by maintaining driver engagement.
Haptic support in vehicular control aims to synergize human capabilities with automation advantages.