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Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
Design Example01:23

Design Example

The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
Control Systems: Applications01:25

Control Systems: Applications

Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The direction...
Electro-mechanical Systems01:19

Electro-mechanical Systems

Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
PD Controller: Design01:26

PD Controller: Design

In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...

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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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触覚的フィードバックによる自動運転車の人間機械インターフェース設計:メタ分析

Ruiheng Lan1, Xu Sun2, Qingfeng Wang3

  • 1School of Art and Design, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, 310018, China.

Applied ergonomics
|February 18, 2026
PubMed
まとめ

自動運転車両 (AV) のハプティックフィードバックは,特に視覚的に要求される非運転関連タスク (NDRT) の場合,オーバーリクエスト (TOR) 中のドライバーの応答時間を改善します. 手動によるフィードバックとマルチモダルのアラートは,最も迅速な応答を提供します.

キーワード:
自動運転車両は自動運転車である.ハプティックフィードバックは,ハプティックフィードバックです.人と機械のインターフェースメタアナリシス メタ分析

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科学分野:

  • 人とコンピュータの相互作用です.
  • 自動車工学 自動車工学
  • 認知心理学とは,認知心理学である.

背景:

  • 自動運転車両 (AV) は,ドライバーが運転に関係のないタスク (NDRT) を実行することを可能にし,安全な制御移行を複雑にします.
  • ハプティックフィードバックは,買収要求 (TOR) の潜在的な解決策ですが,その最適なアプリケーションは不明です.

研究 の 目的:

  • AV TORにおけるハプティックフィードバックの有効性に関する実証的証拠を体系的にレビューし,合成する.
  • 触覚フィードバックを他のモダリティ (視覚的,聴覚的,マルチモダル) と比較し,フィードバックの位置とNDRTタイプなどの調節要因を分析します.

主な方法:

  • TORs中のドライバー応答時間を調査した19の経験的研究のメタ分析.
  • 異なるフィードバック方式 (ハプティック,ビジュアル,オーディオ,マルチモダル) による比較分析.
  • フィードバックの位置とNDRTのカテゴリーを調べるモデレーション分析.

主要な成果:

  • ハプティックフィードバックは,視覚的なフィードバックと比較して,特に視覚的に要求されるNDRTの間,ドライバーの応答時間を大幅に改善します.
  • マルチモダルフィードバックは,ハプティックフィードバックのみよりもパフォーマンスをさらに高めます.
  • 手によるハプティックフィードバックは,一般的に,座席によるフィードバックよりも,文脈に依存するバリエーションで,より迅速な反応をもたらします.

結論:

  • ハプティックフィードバックは,TOR中にAVの安全性を高める有望な方法である.
  • フィードバックの位置とNDRTのコンテキストは,ハプティックTORシステムを最適化するための重要な設計上の考慮事項です.
  • 詳細な研究は,微妙なハプティックデザインと,さまざまなAVシナリオへの統合を調査する必要があります.