AI Navigation

Building an AI-Powered Smart Glasses for the Visually Impaired: An Open Source Solution Based on ESP32 + YOLO + Voice Interaction for Navigation, Crossing Assistance, and Object Recognition

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Building an AI-Powered Smart Glasses for the Visually Impaired: An Open Source Solution Based on ESP32 + YOLO + Voice Interaction for Navigation, Crossing Assistance, and Object Recognition

Cat Head Tiger AI Open Source Project Share: How to Build a Set of AI Glasses for the Visually Impaired, Capable of Navigation on Blind Paths, Crossing Assistance, Object Recognition, and Real-Time Voice Interaction, with an Open Source Solution Hello everyone, I am Cat Head Tiger. Recently, due to market reasons, I have been busy … Read more

Micro Robots Overcome Navigation Limitations with ‘Artificial Spacetime’

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Micro Robots Overcome Navigation Limitations with 'Artificial Spacetime'

Editor: Duohang Source: Krystal Kasal, Phys.org According to Phys.org, micro robots—robots smaller than one millimeter—are highly useful in various applications such as targeted drug delivery or micro-manufacturing, which require tasks to be performed at scales far smaller than other tools can achieve. However, researchers and engineers designing these robots face some limitations in navigation. A … Read more

High-Performance Attitude and Heading Reference System for Unmanned Vehicles

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High-Performance Attitude and Heading Reference System for Unmanned Vehicles

The unmanned vehicle and vessel attitude sensor is a high-performance, cost-effective Attitude and Heading Reference System (AHRS). It is specifically designed for unmanned ground vehicles (UGV), unmanned surface vehicles (USV), underwater robots (ROV/AUV), and other mobile robotic platforms, capable of providing real-time, accurate three-dimensional attitude and heading data in complex dynamic environments, serving as the … Read more

Large Quantities of SF Smartwatches Flooding the Second-Hand Market: GPS + 4G Support, Usable as Bicycle Computers and Navigation Devices

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Large Quantities of SF Smartwatches Flooding the Second-Hand Market: GPS + 4G Support, Usable as Bicycle Computers and Navigation Devices

When it comes to SF Express, most people immediately think of “express delivery.” Starting in Shenzhen in 1993, and now becoming a comprehensive logistics group covering over 200 countries and regions worldwide, SF Express is no longer just a delivery company, but a vast logistics technology system. With technologies such as drones, automated warehousing, intelligent … Read more

MATLAB Routine for Integrated Navigation: CKF Filtering on a 2D Plane, Fusing IMU and GNSS Data, Simulation with Observations on X and Y Axes

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MATLAB Routine for Integrated Navigation: CKF Filtering on a 2D Plane, Fusing IMU and GNSS Data, Simulation with Observations on X and Y Axes

Using an 8-dimensional state model, it comprehensively describes position, velocity, attitude, and sensor biases in planar motion. The Cubature Kalman Filter is employed to handle nonlinear problems, offering better numerical stability and accuracy compared to traditional EKF, effectively fusing IMU and GNSS data to fully leverage the complementary advantages of both sensors. Table of Contents … Read more

MATLAB Example: Fusion Navigation Using Geomagnetic and IMU with EKF – Comparison of Results from True Values, Geomagnetic, Pure Inertial INS, and EKF Fusion, with Code Download Link

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MATLAB Example: Fusion Navigation Using Geomagnetic and IMU with EKF - Comparison of Results from True Values, Geomagnetic, Pure Inertial INS, and EKF Fusion, with Code Download Link

This code implements a positioning system based on geomagnetic feature matching, using the Extended Kalman Filter (EKF) for loosely coupled fusion, combining geomagnetic observation data with Inertial Measurement Unit (IMU) data to achieve high-precision carrier positioning. Table of Contents Program Overview System Overview Core Technical Features System Architecture Process Simulation Scenario Design Core Algorithm Module … Read more

Implementation of Robots Part 3: Core Controller

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Implementation of Robots Part 3: Core Controller

Today, let’s have a good discussion about the “brain” of the robot—the controller, taking the SRC core controller from XianGong as an example. It is divided into several series: 880/1000 Series 2000 Series 3000 Series Today, we will focus on the general-purpose 2000 series, which acts like a versatile assistant and can be used in … Read more

UKF-Based Combined Navigation with 8-Dimensional State and XY Coordinate Observations in MATLAB

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UKF-Based Combined Navigation with 8-Dimensional State and XY Coordinate Observations in MATLAB

The code implements a two-dimensional combined navigation system based on the Unscented Kalman Filter (UKF), integrating data from the Inertial Measurement Unit (IMU) and the Global Navigation Satellite System (GNSS). This system employs an 8-dimensional error state model to estimate the carrier’s position, velocity, attitude, and sensor biases in real-time. Program Overview System Overview IMU … Read more

How Far Are We from the ‘Robot Butler’?

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How Far Are We from the 'Robot Butler'?

Stanford’s Fei-Fei Li Team CoRL 2025 | How Far Are We from the ‘Robot Butler’? The Stanford Fei-Fei Li team has released the comprehensive household robot suite BRS platform. Introduction Making robots clean, organize, and clear tables in real home environments like humans is a scene depicted in countless science fiction works and is one … Read more

Strict Derivation of 2D Integrated Navigation Using MATLAB: Simulating UKF (Unscented Kalman Filter) Fusion of IMU and GNSS with Complete Code

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Strict Derivation of 2D Integrated Navigation Using MATLAB: Simulating UKF (Unscented Kalman Filter) Fusion of IMU and GNSS with Complete Code

The program fully demonstrates the modeling and implementation of UKF in 2D plane for IMU+GNSS integrated navigation, clearly illustrating the filtering effect against sensor noise and drift. Table of Contents Program Overview Program Introduction Core Steps Program Functionality Results MATLAB Source Code Program Overview Program Introduction This program implements a simulation of Unscented Kalman Filter … Read more