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- Huijun Gao, Yingbo Zhao, Weichao Sun
- IEEE Transactions on Control Systems Technology
- 2010

This paper deals with the problem of input-delayed robust H<sub>Â¿</sub> state-feedback controller design for a class of semi-active seat suspension systems with parameter uncertainties and actuator time delays. A vertical vibration model of human body is employed and put together with the plant of the seat suspension system. The controller design is castâ€¦ (More)

- Liang Hu, Hao Liu, Yingbo Zhao
- Neurocomputing
- 2009

- Yingbo Zhao, Paolo Minero, Vijay Gupta
- Automatica
- 2014

This paper studies the problem of disturbance propagation in a string of vehicles aiming to proceed along a given trajectory while keeping a constant distance between each vehicle and its successor. It is assumed that each vehicle can control its position based on the spacing error with respect to the preceding vehicle in the string, as well as on codedâ€¦ (More)

- Yingbo Zhao, Paolo Minero, Vijay Gupta
- 2012 American Control Conference (ACC)
- 2012

This paper considers the problem of disturbance propagation in a vehicle platoon control system, where each vehicle has access to its position error relative to the preceding vehicle in the string. It is known that in such systems a small disturbance acting on one member can propagate downstream and cause large spacing errors between vehicles. A lower boundâ€¦ (More)

- Yingbo Zhao, Fabio Pasqualetti, Jorge CortÃ©s
- 2016 IEEE 55th Conference on Decision and Controlâ€¦
- 2016

This paper considers the problem of controlling a linear time-invariant network by means of (possibly) time-varying set of control nodes. As control metric, we adopt the worst-case input energy to drive the network state from the origin to any point on the unit hypersphere in the state space. We provide a geometric interpretation of the controllabilityâ€¦ (More)

- Yingbo Zhao, Paolo Minero, Vijay Gupta
- 2012 IEEE 51st IEEE Conference on Decision andâ€¦
- 2012

This paper considers the problem of disturbance propagation in a string of vehicles, where each vehicle has access to the position error with respect to its preceding vehicle. In addition, the followers in the string may receive coded information sent by the leader over finite capacity side channels. A lower bound on the integral of the sensitivity functionâ€¦ (More)

- Yingbo Zhao, Paolo Minero, Vijay Gupta
- 2013 American Control Conference
- 2013

We consider the problem of disturbance propagation in a control system where a group of vehicles aims to move in a formation with a tree topology. The control law at every vehicle depends on its position error with respect to its parent vehicle in the tree as well as on coded information transmitted by other vehicles across side communication channels. Aâ€¦ (More)

- Yingbo Zhao, Jorge CortÃ©s
- IEEE Transactions on Control of Network Systems
- 2017

This paper studies Gramian-based reachability metrics for bilinear control systems. In the context of complex networks, bilinear systems capture scenarios where an actuator not only can affect the state of a node but also interconnections among nodes. Under the assumption that the input's infinity norm is bounded by some function of the networkâ€¦ (More)

- Yingbo Zhao, Yan Ou, Lixian Zhang, Huijun Gao
- 2009

This paper presents a control synthesis method for a class of semi-active seat suspension systems with input time delay, parameter uncertainties and actuator saturation. A vertical vibration model of human body is employed and put together with the plant of the seat suspension system in order to gain a better insight of the control performances. The Hâˆžâ€¦ (More)

- Yingbo Zhao, Jorge CortÃ©s
- 2015 54th IEEE Conference on Decision and Controlâ€¦
- 2015

Controllability metrics based on the controllability Gramian have been widely used in linear control theory, and have recently seen renewed interests in the study of complex networks of dynamical systems. For example, the minimum eigenvalue and the trace of the Gramian are related to the worst-case and average minimum input energy, respectively, to steerâ€¦ (More)