Legged robot design and Van der Pol oscillator based control approach

Riadh Zaier*, Omer Eldirdiry

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةArticleمراجعة النظراء

1 اقتباس (Scopus)


It is widely accepted within the field of animal locomotion that the gait is generated by a central pattern generator (CPG), which is usually modelled as a nonlinear oscillator. This paper proposes a mechanical design of a bio-inspired legged robot with a passive toe joint, and proposes a control method based on the key characteristics of the CPG generating the rolling motion of the gait. The overall control system is set as a Van der Pol oscillator, and the controller is then deduced accordingly. The legged robot is modelled as an inverted pendulum with a few control parameters that can be tuned to modulate the rolling motion and make it adaptive along with the stride. The locomotion controller is structured so that the overall closed loop system exhibits a stable limit cycle. Finally, the validation of the simulation platform and the implementation results of the designed robot is reported.

اللغة الأصليةEnglish
الصفحات (من إلى)282-390
عدد الصفحات109
دوريةInternational Journal of Modelling, Identification and Control
مستوى الصوت38
رقم الإصدار3-4
المعرِّفات الرقمية للأشياء
حالة النشرPublished - 2021

ASJC Scopus subject areas

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