... and performance of commercially available units are discussed, together with simple models of the main characteristics. The review of published research focuses on two key areas: investigations that analyze and optimize valves from a fluid dynamic point of view, and then studies on spool position control systems...

..., AND C ONTROL . Manuscript received July 13, 2017; final manuscript received July 30, 2018; published online September 10, 2018. Assoc. Editor: Zongxuan Sun. 13 07 2017 30 07 2018 Energy systems Fluid control systems Manufacturing technology Mechatronics Modeling and simulation...

..., AND C ONTROL . Manuscript received November 17, 2016; final manuscript received May 17, 2018; published online June 18, 2018. Editor: Joseph Beaman. 17 11 2016 17 05 2018 Adaptive Energy systems Fluid control systems Optimal control Control systems Hydraulic presses...

... Control systems Parallel hybrid electric vehicles (HEVs) constitute a large portion of the total sales for HEVs (e.g., over 80% of the HEV sales in U.S. in 2012 [ 1 ]). Parallel HEVs can shift the operation of internal combustion engine (ICE) to the regions with high brake thermal efficiency...

.../44290 [20] Srivastava , S. K. , Cartes , D. A. , Maturana , F. , Ferrese , F. , Pekala , M. , Zink , M. , Meeker , R. , Carnahan , D. , Staron , R. , Scheidt , D. , and Huang , K. , 2008 , “ A Control System Test Bed for Demonstration of Distributed...

... Nagamune. 19 04 2017 02 05 2018 Energy systems Instrumentation Nonlinear systems Control systems Control Components Grid stability and energy quality are an increasing concern due to the significant rise of wind turbines (WT) connections [ 1 , 2 ], especially...

...; published online May 22, 2018. Assoc. Editor: Mahdi Shahbakhti. 23 06 2017 20 03 2018 Energy systems Control systems The recent technology advancements in directional drilling and hydraulic fracturing enable more cost-effective and reliable production of the shale oil and gas...

... and levitation control for the 5543 kg flywheel. The object of this paper is to formulate and synthesize a detailed model as well as to design and simulate a closed-loop control system for the proposed flywheel system. To this end, the CAMB supporting structures are considered flexible and modeled by finite...

....2006.875472 [12] Lee , H. H. , Dzung , P. Q. , and Nguyen , H. N. , 2010 , “ A New Fuzzy Logic Approach for Control System of Wind Turbine With Doubly Fed Induction Generator ,” IEEE International Forum on Strategic Technology ( IFOST ), Ulsan, South Korea, Oct. 13–15, pp. 134 – 139...

... for controlling systems with smooth dynamics. However, their applicability for nonsmooth systems may pose great challenges as they may require the nonsmooth dynamics and/or their time derivatives directly implemented in the design. This motivates us to investigate a control design specifically for the drilling...

... actuation limitation also shown. Automotive controls Energy systems Control systems Fuel efficiency and low emission are the two most impending requirements all the automobile companies strive to provide. For this, some new power sources (e.g., electrical battery and fuel cell) have been...

... into the flux weakening mode without any problem. Autonomous systems Computer control Control theory Energy systems Intelligent control Control systems Total electrical vehicles or hybrid electrical vehicles (HEVs) are all based on an electric motor as the source of torque [ 1 ]. Different...

...Dongzuo Tian; Xingyong Song The increasingly complex oil and gas wellbore condition and the need of drilling in more challenging downhole environments motivate rising research on the drilling control system based on real-time state feedback or measurements from the bottom of the wellbore. However...

...; final manuscript received December 20, 2017; published online January 19, 2018. Assoc. Editor: Yang Shi. 07 12 2016 20 12 2017 Energy systems Motion controls Control systems Despite its potential, wave energy extraction technology is not yet mature due to few challenges...

... short of predicting significant dynamic characteristics [ 17 , 18 ]. The limitations of existing models arise from necessary model order reduction, use of lumped, steady aerodynamic models, and unknown model parameters. Given the nascent state of AWE control systems, inaccuracies in existing...

... Production systems Optimal control Control systems Dynamic systems The existing algorithms dealing with sucker rod pumping systems of vertical oil wells are mainly diagnostic and prediction. The diagnostic algorithms diagnose the pump operating conditions by estimating the pump displacement...

... Control systems Dynamic systems The continuous growth in energy demand alongside environmental concerns has led to an immense need for clean and sustainable energy sources. One of the most abundant, renewable, and clean energy sources that can potentially satisfy future energy demand is the wind...

.... Assoc. Editor: Sergey Nersesov. 21 12 2016 18 10 2017 Aerospace systems Energy systems Modeling and simulation Control systems Dynamic systems Modern aircraft are becoming increasingly complex systems-of-systems encompassing multiple energy domains and spanning a wide...

... for the development of predictive control policies for optimal energy management in buildings. Energy systems Power systems Control systems Building energy management has become an important research topic in recent years because of the critical energy and climate conditions imposed by the aggressive...

... validation, to be able to accurately predict the operating frequency of a free piston Stirling engine [ 11 , 14 ]. However, higher fidelity models may be necessary for the purposes of engine limit cycle design in an actively controlled engine where the displacer is actuated by a control system. For example...