Related Experiment Video
Updated: Mar 5, 2026

06:49
Evaluation of a Smartphone-based Human Activity Recognition System in a Daily Living Environment
Published on: December 11, 2015
9.4K
A Vehicle Steering Recognition System Based on Low-Cost Smartphone Sensors
Xinhua Liu1, Huafeng Mei2, Huachang Lu3
1School of Information Engineering, Wuhan University of Technology, Wuhan 430070, China. liuxinhua@whut.edu.cn.
Sensors (Basel, Switzerland)
|March 25, 2017
Summary
This study introduces a smartphone-based system using gyroscope and accelerometer sensors to detect dangerous vehicle steering maneuvers like turns and lane changes. The method achieves high accuracy, enhancing driver safety through real-time alerts.
Area of Science:
- Automotive Safety
- Mobile Computing
- Sensor Technology
Background:
- Fatal accidents frequently result from dangerous vehicle maneuvers.
- Existing methods for detecting these maneuvers are limited by environmental factors or high costs.
- Smartphones offer a low-cost, accessible platform for context-aware systems.
Purpose of the Study:
- To develop a cost-effective system for real-time recognition of dangerous vehicle steering maneuvers.
- To leverage smartphone sensors for enhanced driver safety.
- To identify specific maneuvers including turns, lane-changes, and U-turns.
Main Methods:
- Utilized smartphone sensors, specifically the gyroscope and accelerometer.
- Focused on analyzing vehicle angular velocity derived from gyroscope data.
- Employed a Fast Dynamic Time Warping (FastDTW) algorithm for steering maneuver recognition.
Main Results:
- Achieved an average accuracy rate of 95% in recognizing vehicle steering maneuvers.
- Demonstrated the effectiveness of using smartphone sensors for this application.
- Validated the system's capability in identifying turns, lane-changes, and U-turns.
Conclusions:
- The proposed smartphone-based system is a viable and accurate solution for detecting dangerous vehicle steering.
- This method offers a low-cost alternative to traditional sensor systems.
- Real-time recognition of steering maneuvers can significantly contribute to vehicle and driver safety.
Related Concept Videos
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
431
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
431
Gyroscope
4.3K
A gyroscope is defined as a spinning disk in which the axis of rotation is free to assume any orientation. When spinning, the orientation of the spin axis is unaffected by the orientation of the body that encloses it. The body or vehicle enclosing the gyroscope can be moved from place to place, while the orientation of the spin axis remains the same. This makes gyroscopes very useful in navigation, especially where magnetic compasses cannot be used, such as in crewed and crewless spacecraft,...
4.3K

