Your Selections

Haptic / touch
Show Only

Collections

File Formats

Content Types

Dates

Sectors

Topics

Authors

Publishers

Affiliations

Committees

Events

Magazine

   This content is not included in your SAE MOBILUS subscription, or you are not logged in.

Negotiating the Steering Control Authority within Haptic Shared Control Framework

University of North Carolina Charlotte-Vahid Izadi, Amir H. Ghasemi, Pouria Karimi Shahri
  • Technical Paper
  • 2020-01-1031
To be published on 2020-04-14 by SAE International in United States
Communication and cooperation among team members can be enhanced significantly with physical interaction. Successful collaboration requires the integration of the individual partners' intentions into a shared action plan, which may involve a continuous negotiation of intentions and roles. This project aims to explore the underlying process of intention integration and develop models for consensus reaching in a haptic shared control framework. We pay particular attention to the role of impedance modulation as a mechanism for negotiation of intentions across the physical or haptic channel. We present an optimal control-based methodology for an automation system to modulate its impedance to either gain or yield the authority to the human driver.
   This content is not included in your SAE MOBILUS subscription, or you are not logged in.

Principle Component Analysis of System Usability Scale for Its Application in Automotive In – Vehicle Information System Development

Ford Motor Company-Satheesh Kumar Chandran, Nidhi Maley, James Forbes, Carrie Bittick, Deependra Phatak
  • Technical Paper
  • 2020-01-1200
To be published on 2020-04-14 by SAE International in United States
The System Usability Scale (SUS) is used across industries, to evaluate a product’s ease of use. As the automotive industry increases its digital footprint, the SUS has found its application as a simple and reliable assessment of various in-vehicle human machine interfaces. Iterative automotive usability evaluations are imperative to ensure functionality. These evaluations can cover a broad scope when assessing all the features within a vehicle. As such, it is important to design studies with participant fatigue, study time, and study cost in mind. Reducing the number of items in the SUS questionnaire could save researchers time and money. The SUS is a ten item questionnaire, measuring usability (8 items) and learnability (2 items). These ten questions are highly correlated to each other prompting researchers to evaluate if the SUS score can be determined with fewer items. Recent studies have suggested that the usability items in the SUS does not contribute equally to the overall SUS score. Thus, the focus of this paper is to determine if the number of variables could be reduced from…
   This content is not included in your SAE MOBILUS subscription, or you are not logged in.

Virtual Method for Simulating Driveline Launch Shudder for Solid Axle Suspension Architecture Vehicles

FCA Engineering India Pvt., Ltd.-Dhanasekar Venkatesan
FCA US LLC-Abhishek Paul, Kevin Thomson
  • Technical Paper
  • 2020-01-1271
To be published on 2020-04-14 by SAE International in United States
Driveline launch shudder is a second-order vibration phenomenon excited by the driveline system in vehicles. It is experienced as low frequency tactile vibrations at the vehicle seat track and is further deteriorated by a high torque demand from the engine. These vibrations are unwanted and affect the vehicle ride quality. A virtual method has been developed in ADAMS/Car to simulate the driveline launch shudder event for solid axle suspension architecture vehicles. Detailed modeling of the full vehicle system with appropriate boundary conditions has been presented. The simulated driveline launch shudder event has been quantified in the form of axle windup and accelerations at the driveline pinion, center bearing and seat track locations. A physical test correlation case study has been performed to validate the developed virtual method. This virtual method is also successfully applied to provide a driveline launch shudder mitigation enabler to improve vehicle ride performance.
   This content is not included in your SAE MOBILUS subscription, or you are not logged in.

Modeling cooperative human-automation interactions in Haptic Shared Control Framework

University of North Carolina Charlotte-Vahid Izadi, Amir H. Ghasemi, Arjun Yeravdekar
  • Technical Paper
  • 2020-01-1040
To be published on 2020-04-14 by SAE International in United States
This paper addresses the interaction between the human driver and automation system in a Haptic Shared Control framework using a cooperative model predictive game approach. We model the human and automation's interaction in a scenario when both driver and automation system detects an obstacle and select same paths for avoiding it. For such a situation, the effect of varying information pattern, namely the Pareto strategy on the shared steering angle is investigated. The simulation demonstrates the influences of the path-following weights on arbitrating the control authority between the human driver and the automation system.
   This content is not included in your SAE MOBILUS subscription, or you are not logged in.

Virtual Switches and Indicators in Automotive Displays

General Motors LLC-Scott Rush
  • Technical Paper
  • 2020-01-1362
To be published on 2020-04-14 by SAE International in United States
Over the last decade, graphical and touch displays have become commonplace in automobile cockpits. Such displays have been used mainly for convenience functions such as navigation, radio, driver information, and vehicle settings. Automakers are now using these displays to generate “virtual” indicators that replace regulated and/or safety-critical physical indicators, such as gear position indication or the Malfunction Indicator Light [MIL]. Automakers are also replacing physical switches and controls, such as heating, ventilation, and air conditioning [HVAC] controls, with “virtual” controls rendered on the cockpit touch-screen. Many of these indicators and controls have regulatory and/or functional safety requirements that have been met using such methods as redundant terminals in a safety-critical switch, or by monitoring the electrical State-of-Health [SOH] of discrete LED indicators. Meeting these requirements with “virtual” graphical elements requires new electronic hardware and software technologies. This paper discusses recent advances in electronic hardware and System-on-Chip [SoC] solutions, operating systems, and supporting software architecture implementation of regulatory and/or functional safety graphics within cockpit displays. Application of the ISO 26262 standard, particularly section 5, and considerations…
   This content is not included in your SAE MOBILUS subscription, or you are not logged in.
new

Electronic Skin for Haptic Interfaces Is Light, Tight, and Battery Free

  • Magazine Article
  • TBMG-36024
Published 2020-02-01 by Tech Briefs Media Group in United States

A system of “electronic skin-integrated haptic interfaces” jointly developed by City University of Hong Kong (CityU) and other academic institutions can help users of prosthesis to feel the surrounding environment.

Annotation ability available

Biologically Inspired Artificial Skin Improves Sensory Ability of Robots

  • Magazine Article
  • TBMG-35611
Published 2019-12-01 by Tech Briefs Media Group in United States

Inspired by human skin, a system was developed that combines artificial skin with control algorithms. The system was used to create the first autonomous humanoid robot with full-body artificial skin.

Engineered Solutions for Enclosure Sealing and Insulation

  • Magazine Article
  • TBMG-35668
Published 2019-12-01 by Tech Briefs Media Group in United States

In the aerospace and defense industries, enclosure sealing and insulation needs to meet challenging and complex requirements. For example, the EMI gaskets that are used in military touchscreens must shield sensitive electronics from electromagnetic interference (EMI) while providing electrical conductivity and ensuring environmental sealing. These enclosure gaskets must also cushion the unit from mechanical shock and avoid interfering with the display's touch function.

VR Helps Amputees ‘Feel’ Prosthetic Limbs

  • Magazine Article
  • TBMG-35634
Published 2019-12-01 by Tech Briefs Media Group in United States

Scientists have shown that amputees can actually be convinced that the prosthetic hand belongs to their own body. They do this by going beyond the “seeing is believing” idiom based on established research on how the brain identifies what belongs to its own body. Instead of using the sense of sight alone, they used an astute combination of two senses: sight and touch.

Artificial Skin Provides Haptic Feedback

  • Magazine Article
  • TBMG-35616
Published 2019-12-01 by Tech Briefs Media Group in United States

Technology capable of replicating the sense of touch — also known as haptic feedback — can greatly enhance human-computer and human-robot interfaces for applications such as medical rehabilitation and virtual reality. A soft artificial skin was developed that provides haptic feedback and, using a self-sensing mechanism, has the potential to instantaneously adapt to a wearer's movements.