نتایج جستجو برای: passivity control
تعداد نتایج: 1330378 فیلتر نتایج به سال:
The passivity index framework is an alternative method of characterizing energy dissipation in systems. As an analysis tool, it can be used to assess the level of passivity of a system. This opens up a much larger class of systems that can be analyzed using results that are similar to the passivity theorem. Typically indices are considered analytically for systems with an established model. Thi...
Passivity Analysis and Passivation of Event-Triggered Interconnected Systems Using Passivity Indices
We consider the passivity analysis and passivation problems for event-triggered feedback interconnected systems. Based on the location of the event-triggered samplers, we consider two event-triggered control schemes respectively: event-triggered sampler of plant output and event-triggered sampler of controller output. For both schemes, we first derive the conditions to characterize the level of...
This paper focuses on the lateral control of intelligent vehicles. The aim is to minimize the lateral displacement of the autonomous vehicle with respect to a given reference trajectory. The control input is the steering angle and the output is the lateral error displacement. After passivity analysis of the system to establish the properties of passivity between the inputs and outputs, we prese...
by RAVI HEBBAR For dynamically-interacting systems, such as a robot contacting an environment during an assembly operation or multiple robots collaborating in a manipulation task, issues of stability can be difficult to analyze. One very valuable tool is passivity analysis. If each dynamic subsystem (linear or nonlinear) satisfies the property of passivity with respect to its interaction port(s...
We propose a novel switching control law for the posture stabilization of a wheeled mobile robot, that utilizes the (energetic) passivity of the system's open-loop dynamics with non-negligible inertial effects. The proposed passivity-based switching control law ensures that the robot's (x, y)-position enters into an arbitrarily small (as speci ed by user-designed error-bound) level set of a cer...
This article presents a method for passivating the communication channel of a symmetric position-position teleoperation architecture on the time domain. The time domain passivity control approach has recently gained appeal in the context of timedelayed teleoperation because passivity is not established as a design constraint, which often forces conservative rules, but rather as a property which...
In many applications that require physical interaction with humans or other physical environments, passivity is a useful property to have in order to improve safety and ease of use. Many hydraulic applications (e.g. a human operated excavator) fall into this category. In a previous work, the passivity property of a directional hydraulic flow control valve, and methods for making the valve in a ...
On the basis of the Passivity Theorem, this paper provides a new approach to stability analysis for multi-loop control systems. The destabilizing effect of interactions of a multi-input multioutput system is studied using the passivity index. The decentralized unconditional stability condition, which implies closed-loop stability of decentralized control systems under control loop failure, is d...
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