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Low-Authority Controller Design via Convex Optimization
Low-Authorit Controller Design Convex Optimization
2015/7/10
In this paper we address the problem of low-authority controller (LAC) design. The premise is that the actuators have limited authority, and hence cannot significantly shift the eigenvalues of the sys...
Finding Ultimate Limits of Performance for Hybrid Electric Vehicles
Finding Ultimate Limits Performance Hybrid Electric Vehicles
2015/7/10
Hybrid electric vehicles are seen as a solution to improving fuel economy and reducing pollution emissions from automobiles. By recovering kinetic energy during braking and optimization the engine ope...
On Achieving Reduced Error Propagation Sensitivity in DFE Design via Convex Optimization
On Achieving Reduced Propagation Sensitivity DFE Design via Convex Optimization
2015/7/10
Decision Feedback Equalization (DFE) is expected in digital TV receivers and other high error rate environments. Error propagation usually occurs in infrequent bursts. It is argued here that the minim...
Simultaneous Rate and Power Control in Multirate Multimedia CDMA Systems
Simultaneous Rate Power Control Multirate Multimedia CDMA Systems
2015/7/10
We consider a wireless multimedia CDMA system, where the different mobiles transmit at different rates. We devise a method of simultaneously optimizing the power and rate at which the different termin...
Optimization-based Tuning of Low-bandwidth Control in Spatially Distributed Systems
Optimization-based Tuning Low-bandwidth Control Spatially Distributed Systems
2015/7/10
We describe a new method for tuning a certain family of low-bandwidth controllers for linear time-invariant and spatially-invariant (LTSI) plants. We consider LTSI controllers with a fixed structure, ...
Optimal Routes and Flows in Congestion Constrained Ad Hoc Networks
multihop networks power control routing Perron Frobenius utility functions congestion control
2015/7/10
Future ad hoc and multi-hop networks will simultaneously support many different types of traffic such as streaming video, voice, and data. This is particularly true for emerging 802.11, bluetooth, or ...
Adaptive Management of Network Resources
Power control rate control utility functions optimization and control adaptation
2015/7/10
This paper describes a new adaptive algorithm that smoothly and dynamically adjusts the system resources of link rates and transmitter powers to maximize the performance of the system. Performance is ...
MP-DSM: A Distributed Cross Layer Network Control Protocol
network management TCP optimization and control QoS cross layer utility functions
2015/7/10
We present a distributed cross layer approach to controlling the network performance under various QoS requirements in interference limited systems. The interaction between the different layers of the...
Power Control in Lognormal Fading Wireless Channels with Uptime Probability Specifications via Robust Geometric Programming
Power Control in Lognormal Fading Wireless Channels Uptime Probability Specifications Robust Geometric Programming
2015/7/10
This paper concerns power control in lognormal fading wireless channels with correlated interference. We consider an outage-based quality of service (QoS) specification, which requires the uptime prob...
On Time-Invariant Purified-Output-Based Discrete Time Control
Time-Invariant Purified-Output-Based Discrete Time Control
2015/7/10
In an earlier paper, we have demonstrated that the family of all affine non-anticipative output-based control laws in a discrete time linear dynamical system affected by uncertain disturbances is equi...
Joint Optimization of Wireless Communication and Networked Control Systems
Joint Optimization Wireless Communication Networked Control Systems
2015/7/10
We consider a linear system, such as an estimator or a con- troller, in which several signals are transmitted over wireless commu- nication channels. With the coding and medium access schemes of the c...
Temperature Control of High-Performance Multi-Core Platforms Using Convex Optimization
Thermal-aware design temperature control dynamic frequency scaling
2015/7/9
With technology advances, the number of cores integrated on a chip and their speed of operation is increasing. This, in turn is leading to a significant increase in chip temperature. Temperature gradi...
Analysis and Synthesis of State-Feedback Controllers with Timing Jitter
Analysis and Synthesis State-Feedback Controllers Timing Jitter
2015/7/9
We consider a continuous-time linear system with sampled constant linear state-feedback control and a convex quadratic performance measure. The sample times, however, are subject to variation within s...
Distributed estimation via dual decomposition
Stochastic control Model predictive control Linear matrix inequality
2015/7/9
We develop computational bounds on performance for causal state feedback stochastic control with linear dynamics, arbitrary noise distribution, and arbitrary input constraint set. This can be very use...
We present a framework and control policies for optimizing dynamic control of various self-tuning parameters over lifetime in the presence of circuit aging. Our framework introduces dynamic cooling as...