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Linear dynamics and control of a kinematic wobble-yoke Stirling engine

Alejandro Alvarez-Aguirre, Eloisa Garcia-Canseco, Jacquelien M.A. Scherpen
2010 49th IEEE Conference on Decision and Control (CDC)  
This paper presents a control systems approach for the modeling and control of a kinematic wobble-yoke Stirling engine.  ...  The linear dynamics of the Stirling engine are analyzed based on the dynamical model of the system, developed by the authors in [1].  ...  CONCLUSIONS AND FUTURE WORK We have presented a control systems approach for the analysis and control of a kinematic wobble-yoke Stirling engine mechanism.  ... 
doi:10.1109/cdc.2010.5717238 dblp:conf/cdc/Alvarez-AguirreGS10 fatcat:azdfbutcajhzdoxtamukgzqjiu

Parametric Evaluation of Wobble-Yoke Stirling Engine State Space Model

Ermira Junita Abdullah, Rick Kit Lee, Stirling International Association, Stirling International Association
2021 E3S Web of Conferences  
A parametric evaluation of an established Wobble-Yoke Stirling Engine state space model was performed to determine a suitable pre-compensator design that is able to produce the highest power output given  ...  Simulation was performed using MATLAB in order to analyze the dynamic properties of the engine as a closed-loop system, with temperature, pressure and damping coefficient acting as controlling parameters  ...  The study presented here seeks to investigate dynamic modelling and control of Wobble-Yoke Stirling engine by simulating linear dynamics of the engine in-order to evaluate its suitability and capability  ... 
doi:10.1051/e3sconf/202131302003 fatcat:h7fvh5qcofcvphra5fswcbmagi

Experimental and Dynamic Analysis of a Small-Scale Double-Acting Four-Cylinder α-Type Stirling Engine

Chin-Hsiang Cheng, Yi-Han Tan, Tzu-Sung Liu
2021 Sustainability  
This research studies the double-acting four-cylinder α-type Stirling engine. A numerical model is developed by combining the thermodynamic model and dynamic model to study the engine performance.  ...  Under a heating temperature of 1000 K, cooling temperature of 315 K, charged pressure of 10 bar, and loading torque of 0.33 Nm, the engine is capable of achieving a shaft power of 26.0 W at 754 rpm.  ...  Pradip [21] analyzed the performance of a WhisperGen MicroCHP engine, which is also a doubleacting Stirling engine with wobble yoke mechanism.  ... 
doi:10.3390/su13158442 fatcat:iiflpfysxrho3lrflaabsegvwa

Development of a Stirling engine battery charger based on a low cost wobble mechanism [article]

Donald Murray Clucas, University Of Canterbury
To aid Stirling Engine design and optimisation a computer modelling package was developed.  ...  These investigations resulted in the development of a new kinematic mechanism design, further piston seal research, a combined starter alternator, alternative heat exchanger designs and another general  ...  and position of point. a. can be controlled by only two linear actuators.  ... 
doi:10.26021/3108 fatcat:ckjrexxdknftjgsr5lwsj2ecce

Active Stirling Engine [article]

Vinod Kumar Gopal, University Of Canterbury
This thesis examines the effect of non-linear displacer motion and phase control of the displacer on Stirling engine performance.  ...  A separately driven displacer also allows introducing phase control and stroke control to improve the controllability of a Stirling engine.  ...  through a wobble yoke [95] transmission.  ... 
doi:10.26021/1252 fatcat:v2rjp2gg6va7vmevzwwsnidfnm

North American Society for the Psychology of Sport and Physical Activity Virtual Conference June 11–12, 2020

2020 Journal of Sport & Exercise Psychology (JSEP)  
We examined gait parameters, right thigh segment kinematics, and dynamic phase plots.  ...  Participants in the traditional yoked (TY) and explicit yoked (EY) groups were matched to the observation schedule (frequency and speed) of a SC counterpart.  ...  A group of 47 collegiate baseball student-athletes (M age = 20.78, SD = 1.38) completed a battery of baseline questionnaires, performed a self-control task (i.e., plank until failure), and were randomized  ... 
doi:10.1123/jsep.2020-0172 fatcat:7ap7mzw3rfcf5f5jfqwzhruj4y

A Low Temperature Differential Stirling Engine for Power Generation [article]

Caleb Charles Lloyd, University Of Canterbury
Additionally, after a thorough history and background of Stirling engines was researched, the understanding gained of how these engines work has enabled a design process to take place which has hopefully  ...  The aim of this research project is to design and build a low temperature differential Stirling engine capable of generating electric power from heat sources such as waste hot water or geothermal springs  ...  Their engines use a unique wobble-yoke design and are a compact and affordable solution. Sunpower Sunpower is a privately owned company formed in 1974 by William Beale (see Section 2.2.4).  ... 
doi:10.26021/2929 fatcat:dbzz5li3tbeydktdrkkqmy47du

Thermodynamics-based design of stirling engines for low-temperature heat sources [article]

Benedikt Hoegel, University Of Canterbury
This work explores the suitability of a Stirling engine (SE) to exploit these heat sources.  ...  This has been achieved in four major steps: identification of a suitable engine type; thermodynamic optimisation of operating and engine parameters; optimisation of mechanical efficiency; and the development  ...  In the case of the wobble-yoke the sliding contact between disc and piston rod is turned into a rotation of additional yokes which limits the piston number to four.  ... 
doi:10.26021/2499 fatcat:bnffecqduncpdoefm2yubofdcy

Line focus solar Stirling domestic power generation [article]

Hamish P. Trolove, University Of Canterbury
This thesis has found that to generate electricity for a domestic supply, the use of a two stage line focus concentrator coupled to a Stirling engine by way of a heat pipe is very inefficient, and the  ...  For larger systems such as that needed to supply a small community, a point focus solar Stirling engine is the most efficient system at this stage, but with the rapid improvements being made in the performance  ...  These are engines where there are no kinematic mechanisms, and all the phasing between the piston and displacer is achieved by gas springs and fluid dynamics.  ... 
doi:10.26021/3422 fatcat:ruzx3mjkhjd6heqjnf4ypg5sja

Thermodynamic Analysis of Vuilleumier Heat Pumps [article]

(:Unkn) Unknown, National Technological University Of Athens
The dynamic behavior of the heat pump was analyzed by a linear numerical model which incorporated friction losses too.  ...  Cheng and Chen conducted a 3D CFD simulation of an experimental β-type Stirling engine [18] .  ...  It had a V-type configuration and crank driven displacers. The heat input at the high temperature (773.15 K) was achieved by an air gas burner with controllable heater tube wall temperature.  ... 
doi:10.26240/heal.ntua.18638 fatcat:zpnf5zenrze2tcneilqwh3ijp4