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This paper presents a unified framework that integrates modeling, optimization, and sensorless control of an all-electric heavy-duty robotic manipulator (HDRM) driven by electromechanical linear actuators (EMLAs). An EMLA model is…

Systems and Control · Electrical Eng. & Systems 2025-09-22 Mohammad Bahari , Amir Hossein Barjini , Pauli Mustalahti , Jouni Mattila

The shift to electric and hybrid powertrains in vehicular systems has propelled advancements in mobile robotics and autonomous vehicles. This paper examines the sensitivity of key performance metrics in a electrified heavy-duty mobile…

Systems and Control · Electrical Eng. & Systems 2024-09-25 Mohammad Bahari , Alvaro Paz , Jouni Mattila

Electrification, a key strategy in combating climate change, is transforming industries, and off-highway machines (OHM) will be next to transition from combustion engines and hydraulic actuation to sustainable fully electrified machines.…

Robotics · Computer Science 2024-10-14 Alvaro Paz , Mohammad Bahari , Jouni Mattila

This paper presents a unified system-level modeling and control framework for an all-electric heavy-duty robotic manipulator (HDRM) driven by electromechanical linear actuators (EMLAs). A surrogate-enhanced actuator model, combining…

Robotics · Computer Science 2025-08-11 Amir Hossein Barjini , Mohammad Bahari , Mahdi Hejrati , Jouni Mattila

This paper introduces an innovative observer-based modular control strategy in a class of n_a-degree-of-freedom (DoF) fully electrified heavy-duty robotic manipulators (HDRMs) to (1) guarantee robustness in the presence of uncertainties and…

Systems and Control · Electrical Eng. & Systems 2024-12-31 Mehdi Heydari Shahna , Mohammad Bahari , Jouni Mattila

This paper introduces a novel model-free control strategy for a complex multi-stage gearbox electromechanical linear actuator (EMLA) system, driven by a permanent magnet synchronous motor (PMSM) with non-ideal ball screw characteristics.…

Systems and Control · Electrical Eng. & Systems 2025-03-04 Mehdi Heydari Shahna , Pauli Mustalahti , Jouni Mattila

Today's heavy-duty mobile machines (HDMMs) face two transitions: from diesel-hydraulic actuation to clean electric systems driven by climate goals, and from human supervision toward greater autonomy. Diesel-hydraulic systems have long…

Robotics · Computer Science 2025-12-30 Mehdi Heydari Shahna

Automated Machine Learning (AutoML) gained popularity due to the increased demand for Machine Learning (ML) specialists, allowing them to apply ML techniques effortlessly and quickly. AutoML implementations use optimisation methods to…

Machine Learning · Computer Science 2025-04-15 Joana Simões , João Correia

This paper proposes a hybrid learning and optimization framework for mobile manipulators for complex and physically interactive tasks. The framework exploits an admittance-type physical interface to obtain intuitive and simplified human…

We introduce HCLM, a hierarchical framework for general-purpose cooperative loco-manipulation with dual quadrupedal systems. Coordinating multi-robot collaborative manipulation across floating bases is highly challenging due to the…

Robotics · Computer Science 2026-05-19 Qixuan Li , Chen Le , Jincheng Yu , Xinlei Chen

Heterogeneous multi-robot systems (HMRS) have emerged as a powerful approach for tackling complex tasks that single robots cannot manage alone. Current large-language-model-based multi-agent systems (LLM-based MAS) have shown success in…

Robotics · Computer Science 2025-02-18 Junting Chen , Checheng Yu , Xunzhe Zhou , Tianqi Xu , Yao Mu , Mengkang Hu , Wenqi Shao , Yikai Wang , Guohao Li , Lin Shao

Online ride-hailing platforms aim to deliver efficient mobility-on-demand services, often facing challenges in balancing dynamic and spatially heterogeneous supply and demand. Existing methods typically fall into two categories:…

Artificial Intelligence · Computer Science 2025-10-28 Yi Zhang , Yushen Long , Yun Ni , Liping Huang , Xiaohong Wang , Jun Liu

Large Language Models (LLMs) enable intelligent multi-robot collaboration but face fundamental trade-offs: open-loop methods that compile tasks into formal representations for external executors produce sound plans but lack adaptability in…

Artificial Intelligence · Computer Science 2026-03-10 Shaobin Ling , Yun Wang , Chenyou Fan , Tin Lun Lam , Junjie Hu

Learning-based intelligent energy management systems for plug-in hybrid electric vehicles (PHEVs) are crucial for achieving efficient energy utilization. However, their application faces system reliability challenges in the real world,…

Systems and Control · Electrical Eng. & Systems 2024-06-14 Hao Zhang , Nuo Lei , Boli Chen , Bingbing Li , Rulong Li , Zhi Wang

The autonomous operation of tracked mobile manipulators in rescue missions requires not only ensuring the reachability and safety of robot motion but also maintaining stable end-effector manipulation under diverse task demands. However,…

Robotics · Computer Science 2026-04-10 Yifei Wang , Hao Zhang , Jidong Huang , Shuohang Fang , Haoyao Chen

Modular manipulators composed of pre-manufactured and interchangeable modules offer high adaptability across diverse tasks. However, their deployment requires generating feasible motions while jointly optimizing morphology and mounted pose…

The advent of Large Multimodal Models (LMMs) offers a promising technology to tackle the limitations of modular design in autonomous driving, which often falters in open-world scenarios requiring sustained environmental understanding and…

Robotics · Computer Science 2026-01-21 Long Zhang , Yuchen Xia , Bingqing Wei , Zhen Liu , Shiwen Mao , Zhu Han , Mohsen Guizani

This paper introduces a new hybrid framework that combines Reinforcement Learning (RL) and Large Language Models (LLMs) to improve robotic manipulation tasks. By utilizing RL for accurate low-level control and LLMs for high level task…

Robotics · Computer Science 2026-04-01 Md Saad , Sajjad Hussain , Mohd Suhaib

The rapid advancements in artificial intelligence (AI), particularly the Large Language Models (LLMs), have profoundly affected our daily work and communication forms. However, it is still a challenge to deploy LLMs on resource-constrained…

Hardware Architecture · Computer Science 2025-03-03 Mingqiang Huang , Ao Shen , Kai Li , Haoxiang Peng , Boyu Li , Yupeng Su , Hao Yu

Edge inference for large language models (LLM) offers secure, low-latency, and cost-effective inference solutions. We emphasize that an edge accelerator should achieve high area efficiency and minimize external memory access (EMA) during…

Hardware Architecture · Computer Science 2025-07-15 Chun-Ting Chen , HanGyeol Mun , Jian Meng , Mohamed S. Abdelfattah , Jae-sun Seo
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