Time-variant digital twin modeling through the Kalman-generalized sparse identification of nonlinear dynamics

J Wang, J Moreira, Y Cao… - 2022 American Control …, 2022 - ieeexplore.ieee.org
A digital twin is a computer-based digital representation that simulates the behavior of a
physical system. Digital twins help users to interact with real-world processes digitally. Time …

Q-Markov Covariance equivalent realizations for unstable and marginally stable systems

Y Shen, M Chen, M Majji, RE Skelton - Mechanical Systems and Signal …, 2023 - Elsevier
An observer-based q-Markov Covariance equivalent realization (QMC) formulation is
presented in the paper. It is shown that by inserting an observer in the input–output …

Transfer case clutch torque estimation using an extended Kalman filter with unknown input

W Wei, H Dourra, GG Zhu - IEEE/ASME Transactions on …, 2021 - ieeexplore.ieee.org
Vehicle wheel traction forces play an important role in vehicle performance, especially for
four-wheel-drive vehicles, where a transfer case clutch is used to distribute torque between …

A Gray-Box Surrogate Vehicle Energy Consumption Model Capable of Real-Time Updating

L Hua, J Tang, H Dourra, G Zhu - IEEE/ASME Transactions on …, 2023 - ieeexplore.ieee.org
Vehicle energy consumption model, as a function of its operational environment, plays a
significant role in real-time optimization of vehicle route and speed for a given pair of origin …

Integrated clutch torque control and touchpoint estimation using deadbeat adaptive backstep**

W Wei, H Dourra, G Zhu - IEEE Transactions on Control …, 2021 - ieeexplore.ieee.org
This research investigates the discrete-time adaptive backstep** control to track the
reference clutch torque and estimate the clutch touchpoint displacement simultaneously for …

Cycle-based LQG knock control using identified exhaust temperature model

J Tang, W Dai, C Archer, J Yi… - International Journal of …, 2023 - journals.sagepub.com
Spark ignition engines are often desired to be operated close to their knock borderline when
MBT (maximum brake torque) cannot be achieved for optimizing combustion efficiency …

An Efficient q-Markov Covariance Equivalent Realization Approach to System Identification

Y Shen, M Chen, M Majji, RE Skelton - IFAC-PapersOnLine, 2023 - Elsevier
An efficient q-Markov covariance equivalent realization (QMC) formulation is presented in
this paper. This efficient solution matches all Markov and Covariance parameters of a finite …

LQG Cycle-to-Cycle Knock Control Based on Identified Exhaust Temperature Model

J Tang, W Dai, C Archer, J Yi… - 2023 American Control …, 2023 - ieeexplore.ieee.org
Spark ignition engines are often calibrated to operate as close to its knock borderline as
possible when MBT (maximum brake torque) cannot be achieved. However, the existing …