Withthe new emerging technologies of high performance machining and the increasing demand for improved machining accuracy in recent years, the problem of thermal deformation of machine tool structures is becoming mor...
详细信息
the automatic landmark identification is very important in autonomous robot navigation tasks. In this work we use a monocular omnidirectional vision system to extract images features, and with help of the conformal ge...
详细信息
the automatic landmark identification is very important in autonomous robot navigation tasks. In this work we use a monocular omnidirectional vision system to extract images features, and with help of the conformal geometric algebra (CGA), we show how these features can be used to calculate projective and permutation p 2 -invariants. these p 2 -invariants represent scene sub-landmarks and a set of them characterize a landmark
In this paper we present a simple but novel technique to recover 3D temperature map from a pair of calibrated thermal cameras. the method is also useful in estimating depth of an object in the dark environment
In this paper we present a simple but novel technique to recover 3D temperature map from a pair of calibrated thermal cameras. the method is also useful in estimating depth of an object in the dark environment
Most research on vision and force control of robot manipulators has assumed that the kinematics and constraint surface are known exactly. In this paper, the vision and force control problem of robots with uncertain ki...
详细信息
Most research on vision and force control of robot manipulators has assumed that the kinematics and constraint surface are known exactly. In this paper, the vision and force control problem of robots with uncertain kinematics, dynamics and constraint is addressed. An adaptive setpoint control law based on neural networks is proposed. Sufficient conditions for choosing the feedback gains are presented to guarantee the stability. Simulation results are presented to demonstrate the effectiveness of the proposed controller
In this paper, we will establish the relationship between a specific family of classical control systems and the linear fractional transformations. those classical control systems may always be represented by linear f...
详细信息
In this paper, we will establish the relationship between a specific family of classical control systems and the linear fractional transformations. those classical control systems may always be represented by linear fractional transformations, and vice versa, subject to certain conditions. A mathematical proof for this relationship is provided
this paper studies the reliable linear quadratic control for a helicopter with actuator failures. the helicopter model is introduced. the actuator fault models are established as well. A reliable linear quadratic cont...
详细信息
this paper studies the reliable linear quadratic control for a helicopter with actuator failures. the helicopter model is introduced. the actuator fault models are established as well. A reliable linear quadratic control (RLQQ design algorithm is developed based on the iterative linear matrix inequality (ILMI) approach. Simulation results are given to demonstrate the effectiveness of the designed reliable controllers
Assistive technologies have the potential to support a variety of activities for a wide range of user capabilities. A critical design issue is the selection of an input device for the technology. Our research provides...
详细信息
Assistive technologies have the potential to support a variety of activities for a wide range of user capabilities. A critical design issue is the selection of an input device for the technology. Our research provides guidelines for the selection and design of input devices
this paper presents a review of recent research efforts in the field of the application of machine vision in the control of unmanned underwater vehicles (UUV). the paper focuses on five particular applications for mac...
详细信息
this paper presents a review of recent research efforts in the field of the application of machine vision in the control of unmanned underwater vehicles (UUV). the paper focuses on five particular applications for machine vision underwater. Each application is discussed and its evolution into its present state is analysed by looking at different projects. Projects are categorised for each application and an assessment regarding the performance of the strategies is given. their advantages and disadvantages are discussed. Based on the authors' observations, possible future trends are identified for each application
In this paper, a practical impulsive synchronization scheme is proposed for the synchronization of two Chen's chaotic systems with parametric uncertainty and mismatch. Withthis scheme, the error of the systems ca...
详细信息
In this paper, a practical impulsive synchronization scheme is proposed for the synchronization of two Chen's chaotic systems with parametric uncertainty and mismatch. Withthis scheme, the error of the systems can converge to a given bound
the paper studied the exponential stability of general stochastic hybrid systems. First Lyapunov asymptotic exponential stability theorem is extended to general stochastic hybrid systems. Second the stabilization of l...
详细信息
the paper studied the exponential stability of general stochastic hybrid systems. First Lyapunov asymptotic exponential stability theorem is extended to general stochastic hybrid systems. Second the stabilization of linear stochastic systems is discussed, and a sufficient and necessary condition is proposed. Finally a second-order example is delivered to illustrate the approach
暂无评论