Related Experiment Video
Updated: Jul 10, 2025
04:13
Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults
Published on: February 8, 2019
6.8K
ConGPS: A Smart Container Positioning System Using Inertial Sensor and Electronic Map with Infrequent GPS.
Shan Huang1, Zihan Song1, Hyung-Rim Choi1
1Smart Logistics Research Center, Dong-A University, Busan 49315, Republic of Korea.
Sensors (Basel, Switzerland)
|November 25, 2023
Summary
This study introduces ConGPS, a system for accurate container positioning in logistics. It reduces reliance on GPS by integrating inertial sensors and electronic maps, even in GPS-denied areas.
Area of Science:
- Logistics and Supply Chain Management
- Geomatics Engineering
- Sensor Fusion Technology
Background:
- Real-time global positioning is crucial for efficient container logistics.
- Frequent Global Positioning System (GPS) calls and GPS-denied environments pose significant challenges to continuous positioning.
Purpose of the Study:
- To develop a novel system, ConGPS, that enhances real-time container positioning accuracy.
- To reduce the dependency on frequent GPS calls in logistics operations.
Main Methods:
- ConGPS integrates inertial sensor data with electronic map information.
- It utilizes magnetometers and map-matching algorithms to estimate container trajectory and position.
- The system leverages container trajectory and electronic map speed limits for accurate estimations.
Main Results:
- ConGPS maintains positioning accuracy within a 15-minute GPS-call interval.
- The system demonstrates effectiveness even with low-cost inertial sensors.
- Accurate positioning was validated using 280 minutes of driving data (360 km).
Conclusions:
- ConGPS offers a robust solution for real-time container positioning in logistics.
- The system significantly mitigates issues related to GPS-denied environments and reduces GPS call frequency.
- This approach enhances the reliability and efficiency of container tracking systems.
Keywords:
GPS-denied areainertial navigationmap-matching algorithmmulti-sensor technologyreal-time positioningsmart containerMore Related Videos
Related Concept Videos
01:28Field Application of Global Positioning System
49
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
49
01:26Errors in Global Positioning System
47
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
47
01:30Introduction to Global Positioning System
63
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
63
01:30Types of Global Positioning System Surveys
62
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
62
01:30Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
40
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...
40
01:03Inertial Frames of Reference
7.1K
Newton’s first law is usually considered to be a statement about reference frames. It provides a method for identifying a special type of reference frame: the inertial reference frame. In principle, we can make the net force on a body zero. If its velocity relative to a given frame is constant, then that frame is said to be inertial. So, by definition, an inertial reference frame is a reference frame where Newton's first law holds valid. Newton's first law applies to objects with...
7.1K