Showing papers in "Control Engineering Practice in 2014"

TL;DR: In this paper, an energy management problem for an electric vehicle compliant with online requirements for "eco-driving" application is considered and formulated as an optimal control problem that consists of the minimization of the vehicle consumption over a time and distance horizon.

TL;DR: In this article, an adaptive-gain, Second Order Sliding Mode (SOSM) observer for multi-cell converters is designed by considering it as a type of hybrid system.

TL;DR: In this paper, a quadratic programming (QP) based torque allocation algorithm is proposed with the advantage of equally and reasonably utilizing the tire-road friction of each wheel, and a mechanism to effectively utilize the limited network bandwidth resources and attenuate the adverse impact of in-vehicle network-induced time-delays is proposed.

TL;DR: In this article, an event driven model predictive control (MPC) framework for managing charging operations of electric vehicles (EV) in a smart grid is presented, where the objective is to minimize the cost of energy consumption while respecting EV drivers' preferences, technical bounds on the control action (in compliance with the IEC 61851 standard) and both market and grid constraints (by seeking the tracking of a reference load profile defined by the grid operator).

TL;DR: In this paper, a nonlinear adaptive state feedback controller is proposed to asymptotically stabilize the closed-loop system in the presence of force disturbances, where the constant force disturbance is estimated through the use of a sufficiently smooth projector operator.

TL;DR: In this paper, a design procedure based on evolutionary multi-objective optimisation (EMO) is presented and significant applications on controller tuning are discussed, but these statements are not commonly used in controller tuning.

TL;DR: In this paper, a benchmark control problem was developed for a special session of the IFAC Workshop on Engine and Powertrain Control, Simulation and Modeling (E-COSM 12), held in Rueil-Malmaison, France, in October 2012.

TL;DR: In this article, the problem of Fault Detection and Isolation (FDI) and Fault Tolerant Control (FTC) of wind turbines is addressed, and a fault estimation approach based on batch least squares is used.

TL;DR: In this paper, Li-ion (Li-ion) battery state of charge (SOC) estimation using the Kalman filter (KF) variants is studied and improved.

TL;DR: In this paper, a nonlinear underlying dynamical model is utilized, where the states of two identical vehicles are conveyed through radar information and wireless communication to find a safety criteria between neighboring heavy duty vehicles traveling in a platoon.

TL;DR: In this article, four nonlinear Model Reference Adaptive Impedance Controllers are introduced, tested, and compared for the control of the robot impedance with uncertainties in model parameters.

TL;DR: In this article, a conceptual framework for integrating dynamic economic optimization and model predictive control (MPC) for optimal operation of nonlinear process systems is proposed, which can both achieve stability and lead to improved economic closed-loop performance compared to real-time optimization (RTO) systems using steady-state models.

TL;DR: In FKICA–PCA, a method to calculate the variance of independent component is proposed, which is significant to make Gaussian features and non-Gaussian features comparable and to select dominant components legitimately.

TL;DR: In this paper, the Nonlinear Model Predictive Control (NMPC) is used in designing of Adaptive Cruise Control (ACC) and Cruise Control(CC) systems, an algorithm is proposed to carry out automatic switching between ACC and CC, depending on the situation in front of the vehicle.

TL;DR: In this article, a combined nonlinear longitudinal and lateral vehicle control is investigated, which combines the control of the lateral and longitudinal motions in order to track straight or curved trajectories and to perform a combined lane-keeping and steering control during critical driving situations such as obstacle avoidance, stop-and-go control, lane change maneuvers or any other maneuvers.

TL;DR: In this article, the use of an optimised parity space approach for actuator fault detection and isolation (FDI) is explored, where the parity space spans all the parity relations that quantify the analytical redundancies available between the sensor outputs and the actuator inputs of a system.

TL;DR: In this paper, a feature extraction procedure is carried out to pick up the significant features from vectors constructed by individual cell voltages, and a classification is adopted in the feature space to realize the fault diagnosis.

TL;DR: In this article, an adaptive SoC estimator, which is named AdaptSoC, is developed to estimate the SoC in real time when the model parameters are unknown, via joint state (SoC) and parameter estimation.

TL;DR: In this paper, a hierarchical lane keeping assistance control algorithm for a vehicle is proposed, which consists of a supervisor, an upper-level controller and a lower-level control strategy.

TL;DR: This work shows how to use a differential geometry tool to design a novel nonlinear active fault tolerant flight control system for aircraft and shows the effectiveness of the scheme.

TL;DR: In this paper, the authors present a new controller design that explicitly separates the control laws for each objective by introducing clutch engagement phases, achieving fast and smooth clutches without a noticeable torque dip.

TL;DR: In this article, the authors demonstrate the use of computational intelligence and optimization approaches for improving the fuzzy controller performance in architectural heating, ventilation, and air conditioning system (HVAC).

TL;DR: In this paper, the authors give an overview of the existing co-simulation platforms for co-design of networked control systems (NCSs), which contain coupled control and communication perspectives.

TL;DR: In this article, the authors developed a control-oriented temperature dynamic model for a modern Diesel engine equipped with a complete set of aftertreatment systems including Diesel oxidation catalyst (DOC), Diesel particulate filter (DPF), and urea-based selective catalytic reduction (SCR) system.

TL;DR: In this paper, the authors describe and discuss the principles of a haptic shared control between a human driver and an Electronic copilot (E-copilot) for a vehicle.

TL;DR: In this article, a new approach to Fault Detection and Isolation (FDI) for sensors of aircraft is presented, which exploits the knowledge of the kinematic relations between the measured variables.

TL;DR: In this paper, the authors considered the optimal trajectory planning problem for multiple trains under fixed block signaling systems and moving block signaling system, and two approaches were proposed to solve this optimal control problem: the greedy approach and the simultaneous approach.

TL;DR: In this paper, a Discrete Sliding Mode Controller (DSMC) coupled with a Kalman filter is designed to control combustion phasing by adjusting the ratio of two Primary Reference Fuels (PRFs).

TL;DR: In this article, a hierarchical control system structure based on the Takagi-Sugeno fuzzy model was developed to achieve an optimal control of a boiler-turbine unit.

TL;DR: In this article, an active system integrated into a spindle unit is proposed to mitigate chatter vibrations in milling. But the authors only consider the dynamics of the machine structure in the controller design and minimizes the influence of cutting forces on tool tip deviations.