4 papers
A Passivity-Based Analysis of First-Order Momentum-Based Methods
Sepehr Moalemi, James Richard Forbes
This paper presents a discrete-time passivity-based analysis of first-order momentum-based methods for a class of functions whose gradient has lower and upper sector bounds of …
Input-Output Stability of Gradient Descent: A Discrete-Time Passivity-Based Approach
Sepehr Moalemi, James Richard Forbes
This paper presents a discrete-time passivity-based analysis of the gradient descent method for a class of functions with sector-bounded gradients. Using a loop transformation, it…
Matrix-Scheduling of QSR-Dissipative Systems
Sepehr Moalemi, James Richard Forbes
This paper considers gain-scheduling of QSR-dissipative subsystems using scheduling matrices. The corresponding QSR-dissipative properties of the overall matrix-gain-scheduled syst…
Passivity-Based Gain-Scheduled Control with Scheduling Matrices
Sepehr Moalemi, James Richard Forbes
This paper considers gain-scheduling of very strictly passive (VSP) subcontrollers using scheduling matrices. The use of scheduling matrices, over scalar scheduling signals, realiz…