24 Result(s)

Article

The modelling of quantum control systems

High-performance control of quantum dynamics is key to the development of quantum technologies. From quantum-state engineering to quantum metrology, theory and practice of quantum control enable robust and che...

Wenbin Dong, Rebing Wu, **aohu Yuan, Chunwen Li, Tzyh-Jong Tarn in Science Bulletin (2015)

Article

Optimal control of quantum systems with SU(1, 1) dynamical symmetry

SU(1, 1) dynamical symmetry is of fundamental importance in analyzing unbounded quantum systems in theoretical and applied physics. In this paper, we study the control of generalized coherent states associated...

Wenbin Dong, Rebing Wu, Jianwu Wu, Chunwen Li… in Control Theory and Technology (2015)

Article

Witnessing the boundary between Markovian and non-Markovian quantum dynamics: a Green’s function approach

This paper presents a Green’s function-based root locus method to investigate the boundary between Markovian and non-Markovian open quantum systems in the frequency domain. A Langevin equation for the boson-bo...

Shibei Xue, Rebing Wu, Tzyh-Jong Tarn, Ian R. Petersen in Quantum Information Processing (2015)

Article

Hybrid MDP based integrated hierarchical Q-learning

As a widely used reinforcement learning method, Q-learning is bedeviled by the curse of dimensionality: The computational complexity grows dramatically with the size of state-action space. To combat this diffi...

ChunLin Chen, DaoYi Dong, Han-**ong Li… in Science China Information Sciences (2011)

Article

Geometric characterization of multi-input lower-triangular forms

This paper is concerned with the problem as to whether a multi-input nonlinear system is equivalent to the so-called low-triangular form. Two elemental forms of multi-input lower-triangular systems are propose...

Duan Zhang, Tzyh Jong Tarn, **ong**ong He, Tao Zou in Science China Information Sciences (2011)

Article

Progress in theoretical quantum computing

Guilu Long, Tzyh Jong Tarn in Frontiers of Computer Science in China (2008)

Chapter

Disturbance Decoupling for Open Quantum Systems: Quantum Internal Model Principle

Summary. Decoherence, which is caused due to the interaction of a quantum system with its environment plagues all quantum systems and leads to the loss of quantum properties that are vital for quantum computat...

Narayan Ganesan, Tzyh-Jong Tarn in Analysis and Design of Nonlinear Control Systems (2008)

Article

A computational method to geometric measure of biological particles and application to DNA microarray spot size estimation

Geometric measures (volume, area and length) of biological particles are of fundamental interest for biological studies. Many times, the measures are at micro-/nano-scale, and based on images of the biological...

Mingjun Zhang, Kaixuan Mao, Weimin Tao… in Medical and Biological Engineering and Com… (2006)

Chapter and Conference Paper

Quantum Network Optimization Based on the Use of Relaxing Qubits

Any quantum algorithm has to be implemented by quantum circuit. However, due to the existence of decoherence time and the difficulty of importing ancillae qubits, we introduce a new method which can greatly re...

Min Jiang, Zeng-ke Zhang, Tzyh-Jong Tarn in Computational Intelligence (2006)

Chapter

Genetic Code-Based DNA Computation for the Hamiltonian Path Problem

Mingjun Zhang, Maggie X. Cheng… in Combinatorial Optimization in Communicatio… (2006)

Chapter

Efficient Autonomous Underwater Vehicle Communication Networks using Optimal Dynamic Flows

Underwater vehicles are being increasingly employed in exploring the world's oceans. The communications mechanism used by these autonomous underwater vehicles (AUV's) plays a vital roll mission planning. This ...

Joseph T. Napoli, Tzyh Jong Tarn… in New Directions and Applications in Control… (2005)

Chapter and Conference Paper

New Integrability Conditions for Classifying Holonomic and Nonholonomic Systems

This paper presents new integrability conditions for classifying holonomic and nonholonomic systems using the Frobenius Theorem in differential forms. Some of the previous results in the literature give suffic...

Tzyh-Jong Tarn, Mingjun Zhang… in Directions in Mathematical Systems Theory … (2003)

Chapter and Conference Paper

Task synchronization via integration of sensing, planning, and control in a manufacturing work-cell

This chapter presents a novel approach for task synchronization of a manufacturing work-cell. It provides an analytical method for solving the challenging problem in intelligent control, i.e. the integration o...

Tzyh-Jong Tarn, Mumin Song, Ning ** in Control Problems in Robotics and Automation (1998)

Chapter

Event—Based Planning and Control for Robotic Systems: Theory and Implementation

This paper presents a new planning and control method for robotic systems by introducing a suitable action or motion reference variable other than time, but directly related to the desired and measurable syste...

Tzyh-Jong Tarn, Ning ** in Essays on Mathematical Robotics (1998)

Chapter and Conference Paper

Intelligent Motion Planning for Safe and Reliable Control of Robot Arms

This paper presents new robot arm planning and control schemes compatible with sensor-based planning and control. These developments are a central component of robot arm control intelligence and significantly ...

Tzyh-Jong Tarn, Ning **, Antal K. Bejczy in Intelligent Systems: Safety, Reliability a… (1993)