Explore how Micro-Magic’s advanced navigation solutions utilize wheel speed sensors to boost the performance of inertial Navigation Systems (INS), ensuring dependable vehicle navigation in environments where GPS signals are unavailable, such as tunnels or underground locations. Learn more > >
I3500 inertial Navigation System from Micro-Magic.
The role of Wheel Speed Sensors in Navigation
as the field of autonomous technology advances, wheel speed sensors have emerged as crucial components that significantly enhance the functionality of Inertial Navigation Systems. These sensors, often employed as supplementary inputs, are vital for improving precision and minimizing the errors that can accumulate in inertial sensors over time.
real-Time Data for Enhanced Accuracy
A recent article from Micro-Magic delves into how wheel speed sensors deliver self-reliant, real-time data on vehicle speed by tracking wheel rotations, taking into account factors like tire radius and slip ratios. This information becomes essential in scenarios where GNSS signals are compromised, such as in tunnels or densely populated urban areas. By incorporating wheel speed data into dead reckoning algorithms, INS can sustain accurate navigation even when faced wiht signal loss.
Addressing Navigation Challenges
The article further examines how variations in wheel speed between the left and right wheels can be utilized to estimate changes in heading, effectively compensating for drift in inertial systems.It also tackles real-world challenges, including uneven wheelbases, tire slippage, and varying driving conditions, providing insights into how techniques like multi-sensor fusion and Kalman filtering can alleviate these issues.
Case Study: The I3500 System
A compelling case study featuring the I3500 integrated GNSS/INS system from Micro-Magic showcases how commercial applications are already harnessing these capabilities to deliver accurate navigation data in real time.
Read the full article for more insights.
