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Graphical analysis of power systems ...

Raade, Justin William.

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Graphical analysis of power systems for mobile robotics.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Graphical analysis of power systems for mobile robotics./
作者:	Raade, Justin William.
面頁冊數:	140 p.
附註:	Adviser: Homayoon Kazerooni.
Contained By:	Dissertation Abstracts International67-08B.
標題:	Energy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3228469
ISBN:	9780542826351

Graphical analysis of power systems for mobile robotics.
Raade, Justin William.

Graphical analysis of power systems for mobile robotics. - 140 p.

Adviser: Homayoon Kazerooni.

Thesis (Ph.D.)--University of California, Berkeley, 2006.

In summary, this dissertation describes the development and application of two graphical analysis tools for the intuitive design of mobile robotic power systems. Several design examples are discussed involving human exoskeleton power systems.

ISBN: 9780542826351Subjects--Topical Terms:

876794
Energy.

Graphical analysis of power systems for mobile robotics.
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245 1 0 $a Graphical analysis of power systems for mobile robotics.
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500 $a Source: Dissertation Abstracts International, Volume: 67-08, Section: B, page: 4672.
502 $a Thesis (Ph.D.)--University of California, Berkeley, 2006.
520 $a In summary, this dissertation describes the development and application of two graphical analysis tools for the intuitive design of mobile robotic power systems. Several design examples are discussed involving human exoskeleton power systems.
520 $a The field of mobile robotics places stringent demands on the power system. Energetic autonomy, or the ability to function for a useful operation time independent of any tether, refueling, or recharging, is a driving force in a robot designed for a field application. The focus of this dissertation is the development of two graphical analysis tools, namely Ragone plots and optimal hybridization plots, for the design of human scale mobile robotic power systems. These tools contribute to the intuitive understanding of the performance of a power system and expand the toolbox of the design engineer.
520 $a Ragone plots are useful for graphically comparing the merits of different power systems for a wide range of operation times. They plot the specific power versus the specific energy of a system on logarithmic scales. The driving equations in the creation of a Ragone plot are derived in terms of several important system parameters. Trends at extreme operation times (both very short and very long) are examined. Ragone plot analysis is applied to the design of several power systems for high-power human exoskeletons. Power systems examined include a monopropellant-powered free piston hydraulic pump, a gasoline-powered internal combustion engine with hydraulic actuators, and a fuel cell with electric actuators.
520 $a Hybrid power systems consist of two or more distinct energy sources that are used together to meet a single load. They can often outperform non-hybrid power systems in low duty-cycle applications or those with widely varying load profiles and long operation times. Two types of energy sources are defined: engine-like and capacitive. The hybridization rules for different combinations of energy sources are derived using graphical plots of hybrid power system mass versus the primary system power. Optimal hybridization analysis is applied to several power systems for low-power human exoskeletons. Hybrid power systems examined include a fuel cell and a solar panel coupled with lithium polymer batteries.
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650 4 $a Engineering, Mechanical. $3 783786
650 4 $a Engineering, Robotics. $3 1018454
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