Alessandro Astolfi

About

Alessandro Astolfi is a prominent control systems engineer whose research has made lasting contributions to nonlinear control theory, robotics, and mechanical systems stabilization. His work spans several interconnected areas, including discontinuous and hybrid control, passivity-based control, observer design, and robust control methodologies. Astolfi is perhaps best known for his pioneering work on the exponential stabilization of wheeled mobile robots using discontinuous, time-invariant state feedback, a landmark 1999 paper that has garnered nearly 200 citations and remains a cornerstone reference in mobile robotics control. His investigations into high-order generalized chained systems further cemented his reputation in discontinuous control theory. He has also made significant contributions to interconnection and damping assignment passivity-based control (IDA-PBC), advancing the design of energy-shaping controllers for underactuated mechanical systems such as the Acrobot, with multiple influential publications in this area. Beyond stabilization, Astolfi has addressed velocity estimation challenges, proposing globally exponentially convergent immersion and invariance observers for multi-degree-of-freedom mechanical systems. His explorations of H∞ control for rigid robots and shared-control frameworks for mobile platforms further demonstrate the breadth of his influence. Collectively, his body of work, spanning foundational theory to practical robotics applications, has shaped modern nonlinear and robust control research.

Research Focus

Key Achievements

Top Papers

1. 1
   Exponential Stabilization of a Wheeled Mobile Robot Via Discontinuous Control

   196 citations · 1999
2. 2
   Discontinuous control of high-order generalized chained systems

   77 citations · 1999
3. 3
   Further constructive results on interconnection and damping assignment control of mechanical systems: the Acrobot example

   58 citations · 2006
4. 4
   A globally exponentially convergent immersion and invariance speed observer for n degrees of freedom mechanical systems

   37 citations · 2009
5. 5
   Shared Control for the Kinematic and Dynamic Models of a Mobile Robot

   34 citations · 2016
6. 6
   Disturbance attenuation and set-point regulation of rigid robots via H/sub ∞/ control

   23 citations · 2002
7. 7
   On the construction of static stabilizers and static output trackers for dynamically linearizable systems, related results and applications

   21 citations · 2006
8. 8
   Further constructive results on interconnection and damping assignment control of mechanical systems: the acrobot example

   21 citations · 2006
9. 9
   Stability study of a fuzzy controlled mobile robot

   17 citations · 2002
10. 10
    H ∞ control of rigid robots

    13 citations · 1994

Key Collaborators

Contact & Links