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Nicholas Ohi

5 accepted papers

2021

Slip-Based Autonomous ZUPT Through Gaussian Process to Improve Planetary Rover Localization

RA-L 2021

The zero-velocity update (ZUPT) algorithm provides valuable state information to maintain the inertial navigation system (INS) reliability when stationary conditions are satisfied. Employing ZUPT along with leveraging non-holonomic constraints can greatly benefit wheeled mobile robot dead-reckoning

Cited by 41SourcecodeScholar
2019

Flower Interaction Subsystem for a Precision Pollination Robot

IROS 2019poster

Robotic pollinators not only can aid farmers by providing more cost effective and stable methods for pollinating plants but also benefit crop production in environments not suitable for bees such as greenhouses, growth chambers, and in outer space. Robotic pollination requires a high degree of preci…

Cited by 40SourceScholar
2019

Improved Planetary Rover Inertial Navigation and Wheel Odometry Performance through Periodic Use of Zero-Type Constraints

IROS 2019poster

We present an approach to enhance wheeled planetary rover dead-reckoning localization performance by leveraging the use of zero-type constraint equations in the navigation filter. Without external aiding, inertial navigation solutions inherently exhibit cubic error growth. Furthermore, for planetary…

Cited by 33SourcecodeScholar
2018

Design of an Autonomous Precision Pollination Robot

IROS 2018poster

Precision robotic pollination systems can not only fill the gap of declining natural pollinators, but can also surpass them in efficiency and uniformity, helping to feed the fast-growing human population on Earth. This paper presents the design and ongoing development of an autonomous robot named “B…

Cited by 103SourceScholar