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LPV/Hinf control design of on-board energy management systems for electric vehicles

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Submitted on 3 Dec 2015

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LPV/Hinf control design of on-board energy

management systems for electric vehicles

Waleed Nwesaty

To cite this version:

Waleed Nwesaty. LPV/Hinf control design of on-board energy management systems for electric vehi-cles. Automatic. Université Grenoble Alpes, 2015. English. �NNT : 2015GREAT087�. �tel-01237735�

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❚❍➮❙❊

♣♦✉r ♦❜t❡♥✐r ❧❡ ❣r❛❞❡ ❞❡ ❉❖❈❚❊❯❘ ❉❊ ▲✬❯◆■❱❊❘❙■❚➱ ●❘❊◆❖❇▲❊ ❆▲P❊❙ ❙♣é❝✐❛❧✐té ✿ ❆✉t♦♠❛t✐q✉❡✲Pr♦❞✉❝t✐q✉❡ ❆rrêté ♠✐♥✐stér✐❡❧ ✿ ✼ ❛♦ût ✷✵✵✻ Prés❡♥té❡ ♣❛r

❲❛❧❡❡❞ ◆❲❊❙❆❚❨

❚❤ès❡ ❞✐r✐❣é❡ ♣❛r ❖❧✐✈✐❡r ❙❊◆❆▼❊ ❡t ❝♦❞✐r✐❣é❡ ♣❛r ❆♥t♦♥❡t❛ ■✉❧✐❛♥❛ ❇❘❆❚❈❯ ♣ré♣❛ré❡ ❛✉ s❡✐♥ ❞✉ ●■P❙❆✲▲❛❜ ❞❛♥s ❧✬é❝♦❧❡ ❞♦❝t♦r❛❧❡ ❊❊❆❚❙

LP V /H

❈♦♥trô❧❡ ✉t✐❧✐sé à

❝♦♥❝❡✈♦✐r ❞❡s ❣❡st✐♦♥

é♥❡r❣ét✐q✉❡ à ❜♦r❞ ❞❡s

✈é❤✐❝✉❧❡s é❧❡❝tr✐q✉❡s

❚❤ès❡ s♦✉t❡♥✉❡ ♣✉❜❧✐q✉❡♠❡♥t ❧❡ ✷✷ ♦❝t♦❜r❡ ✷✵✶✺✱ ❞❡✈❛♥t ❧❡ ❥✉r② ❝♦♠♣♦sé ❞❡✿ ❉❡❧♣❤✐♥❡ ❘■❯ Pr♦❢❡ss❡✉r✱ ❯♥✐✈❡rs✐té ●r❡♥♦❜❧❡ ❆❧♣❡s✱ Prés✐❞❡♥t❡ ❞✉ ❥✉r② ❙❡r❣✐♦ ▼✳ ❙❆❱❆❘❊❙■ Pr♦❢❡ss❡✉r✱ P♦❧✐t❡❝♥✐❝♦ ❞✐ ▼✐❧❛♥♦✱ ❘❛♣♣♦rt❡✉r ▼❛❧❡❦ ●❍❆◆❊❙ ▼❈❋✲❍❉❘✱ ❊❈❙✲▲❛❜✴❊◆❙❊❆ ✱ ❘❛♣♣♦rt❡✉r ❆❧❡①❛♥❞r❡ ❘❆❱❊❨ ▼❈❋✱ ■❘❚❊❙✲❙❡❚✴❯♥✐✈❡rs✐té ❞❡ ❚❡❝❤♥♦❧♦❣✐❡ ❞❡ ❇❡❧❢♦rt✲▼♦♥t❜é❧✐❛r❞ ✭❯❚❇▼✮✱ ❊①❛♠✐♥❛t❡✉r ❖❧✐✈✐❡r ❙❊◆❆▼❊ Pr♦❢❡ss❡✉r✱ ❯♥✐✈❡rs✐té ●r❡♥♦❜❧❡ ❆❧♣❡s✱ ❉✐r❡❝t❡✉r ❞❡ t❤ès❡ ❆♥t♦♥❡t❛ ■✉❧✐❛♥❛ ❇❘❆❚❈❯ ▼❈❋✱ ●■P❙❆✲▲❛❜✴❯♥✐✈❡rs✐té ●r❡♥♦❜❧❡ ❆❧♣❡s✱ ❈♦✲❞✐r❡❝t❡✉r ❞❡ t❤ès❡

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❯◆■❱❊❘❙■❚➱ ●❘❊◆❖❇▲❊ ❆▲P❊❙

➱❈❖▲❊ ❉❖❈❚❖❘❆▲❊ ❊❊❆❚❙

❊❧❡❝tr♦♥✐q✉❡✱ ❊❧❡❝tr♦t❡❝❤♥✐q✉❡✱ ❆✉t♦♠❛t✐q✉❡✱ ❚r❛✐t❡♠❡♥t ❞✉ s✐❣♥❛❧

❚ ❍ ➮ ❙ ❊

♣♦✉r ♦❜t❡♥✐r ❧❡ t✐tr❡ ❞❡

❞♦❝t❡✉r ❡♥ s❝✐❡♥❝❡s

❞❡ ❧✬❯♥✐✈❡rs✐té ●r❡♥♦❜❧❡ ❛❧♣❡s

▼❡♥t✐♦♥ ✿ ❆❯❚❖▼❆❚■◗❯❊✲P❘❖❉❯❈❚■◗❯❊

Prés❡♥té❡ ❡t s♦✉t❡♥✉❡ ♣❛r

❲❛❧❡❡❞ ◆❲❊❙❆❚❨

LP V /H

❝♦♥tr♦❧ ❞❡s✐❣♥ ♦❢ ♦♥✲❜♦❛r❞ ❡♥❡r❣② ♠❛♥❛❣❡♠❡♥t

s②st❡♠s ❢♦r ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡s

❚❤ès❡ ❞✐r✐❣é❡ ♣❛r ❖❧✐✈✐❡r ❙❊◆❆▼❊

♣ré♣❛ré❡ ❛✉ ❉é♣❛rt❡♠❡♥t ❆✉t♦♠❛t✐q✉❡ ❞✉ ●■P❙❆✲▲❛❜

s♦✉t❡♥✉❡ ❧❡ ✷✷✴✶✵✴✷✵✶✺ ❏✉r② ✿ Prés✐❞❡♥t ✿ ❉❡❧♣❤✐♥❡ ❘■❯ ✲ Pr♦❢❡ss❡✉r✱ ❯♥✐✈❡rs✐té ●r❡♥♦❜❧❡ ❆❧♣❡s ❘❛♣♣♦rt❡✉rs ✿ ❙❡r❣✐♦ ▼✳ ❙❆❱❆❘❊❙■ ✲ Pr♦❢❡ss❡✉r✱ P♦❧✐t❡❝♥✐❝♦ ❞✐ ▼✐❧❛♥♦ ✭■t❛❧✐❡✮ ▼❛❧❡❦ ●❍❆◆❊❙ ✲ ▼❈❋✲❍❉❘✱ ❊❈❙✲▲❛❜✴❊◆❙❊❆ ✭P❛r✐s✮ ❊①❛♠✐♥❛t❡✉r ✿ ❆❧❡①❛♥❞r❡ ❘❆❱❊❨ ✲ ▼❈❋✱ ■❘❚❊❙✲❙❡❚✴❯❚❇▼ ✭❇❡❧❢♦rt✮ ❉✐r❡❝t❡✉r ✿ ❖❧✐✈✐❡r ❙❊◆❆▼❊ ✲ Pr♦❢❡ss❡✉r✱ ❯♥✐✈❡rs✐té ●r❡♥♦❜❧❡ ❆❧♣❡s ❈♦✲❞✐r❡❝t❡✉r ✿ ❆♥t♦♥❡t❛ ■✉❧✐❛♥❛ ❇❘❆❚❈❯ ✲ ▼❈❋✱ ❯♥✐✈❡rs✐té ●r❡♥♦❜❧❡ ❆❧♣❡s

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❘❡♠❡r❝✐❡♠❡♥ts

❚♦ ♠② s✉♣❡r✈✐s♦rs✱ ❢❛♠✐❧②✱ ❢r✐❡♥❞s✱ ❝♦❧❧❡❛❣✉❡✳✳✳

P♦✉r ♠❡s ❞✐r❡❝t❡✉rs ❞❡ t❤ès❡✱ ❢❛♠✐❧❧❡✱ ❛♠✐s✱ ❝♦❧❧è❣✉❡s ✳✳✳

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❈♦♥t❡♥ts

❘❡♠❡r❝✐❡♠❡♥ts ✐ ❚❛❜❧❡ ♦❢ ❛❝r♦♥②♠s ①✐ ■♥tr♦❞✉❝t✐♦♥ ✶ ✶ ❇❛❝❦❣r♦✉♥❞ ♦♥ ❝♦♥tr♦❧ t❤❡♦r② ❛♥❞ ♦♣t✐♠✐③❛t✐♦♥ ✺ ✶✳✶ ❈♦♥✈❡① s❡t ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻ ✶✳✷ ▲✐♥❡❛r ▼❛tr✐① ■♥❡q✉❛❧✐t② ✭▲▼■✮ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻ ✶✳✸ ❙✐❣♥❛❧ ❛♥❞ s②st❡♠ ♥♦r♠s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾ ✶✳✹ LP V/H∞❝♦♥tr♦❧ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✶ ✶✳✺ ●❡♥❡t✐❝ ❛❧❣♦r✐t❤♠ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✼ ✶✳✻ ❈♦♥❝❧✉s✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✾ ✷ ❙②st❡♠ ❝♦♥✜❣✉r❛t✐♦♥ ❛♥❞ r❡q✉✐r❡♠❡♥ts ✷✶ ✷✳✶ ■♥tr♦❞✉❝t✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✶ ✷✳✷ P♦✇❡r s♦✉r❝❡s ❝♦♥✜❣✉r❛t✐♦♥ ✇✐t❤✐♥ ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✸ ✷✳✸ ❖♥✲❜♦❛r❞ ❡❧❡❝tr✐❝❛❧ s②st❡♠ ♠♦❞❡❧✐♥❣ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✺ ✷✳✹ ❊♥❡r❣② ♠❛♥❛❣❡♠❡♥t s②st❡♠ s♣❡❝✐✜❝❛t✐♦♥s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✾ ✷✳✺ ❈♦♥❝❧✉s✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✵ ✸ ▲P❱ ❝♦♥tr♦❧ s②♥t❤❡s✐s ✸✸ ✸✳✶ ❈♦♥tr♦❧ ♦❜❥❡❝t✐✈❡s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✹ ✸✳✷ ❈♦♥tr♦❧ s❝❤❡♠❡ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✺ ✸✳✸ ❙②st❡♠✬s ▲P❱ ♠♦❞❡❧ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✻ ✸✳✹ ▲P❱ ❝♦♥tr♦❧❧❡r s②♥t❤❡s✐s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✼ ✐✐✐

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✐✈ ❈♦♥t❡♥ts ✸✳✺ ❘❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✻ ✸✳✻ ❙✐♠✉❧❛t✐♦♥ r❡s✉❧ts ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✸ ✸✳✼ ❈♦♥❝❧✉s✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✼ ✹ ❘❡❛❧✲t✐♠❡ ✈❛❧✐❞❛t✐♦♥ ✼✶ ✹✳✶ ■♥tr♦❞✉❝t✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✶ ✹✳✷ ❉❡s❝r✐♣t✐♦♥ ♦❢ t❡st ❜❡♥❝❤ ❞✐✛❡r❡♥t ❡❧❡♠❡♥ts ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✺ ✹✳✸ ❘❡❛❧✲t✐♠❡ ✈❛❧✐❞❛t✐♦♥ r❡s✉❧ts ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✽✶ ✹✳✹ ❈♦♥❝❧✉s✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✽✻ ❈♦♥❝❧✉s✐♦♥ ✾✼ ❆ ❊❧❡❝tr✐❝❛❧ s②st❡♠✬s ♣❛r❛♠❡t❡rs ✶✵✶ ❇ ❙❡♥s♦rs✬ ❝♦♥❞✐t✐♦♥✐♥❣ ❝✐r❝✉✐t ✶✵✸ ❇✐❜❧✐♦❣r❛♣❤✐❡ ✶✶✶

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▲✐st ♦❢ ❋✐❣✉r❡s

✶ ●❡♥❡r❛❧ ❝♦♥✜❣✉r❛t✐♦♥ ♦❢ ❛ ♠✐❝r♦✲❣r✐❞✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷ ✶✳✶ ❘❡❧❛t✐♦♥ ❜❡t✇❡❡♥ t❤❡ ❞✐✛❡r❡♥t ❝❧❛ss❡s ♦❢ s②st❡♠s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✷ ✶✳✷ ■♥♣✉ts ❛♥❞ ♦✉t♣✉ts ❢♦r ❛♥ ▲P❱ s②st❡♠ ✐♥ ❣❡♥❡r❛❧ ❢♦r♠✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✸ ✶✳✸ P♦❧②t♦♣✐❝ ❛♣♣r♦❛❝❤ ❧❡❛❞s t♦ ❛ ❣❛✐♥✲s❝❤❡❞✉❧❡❞ ❝♦♥tr♦❧❧❡r✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✻ ✶✳✹ ■❧❧✉str❛t✐♦♥ ♦❢ ♠✉❧t✐ ♦❜❥❡❝t✐✈❡ ♦♣t✐♠✐③❛t✐♦♥ ♣r♦❝❡ss✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✼ ✶✳✺ ●❡♥❡t✐❝ ❛❧❣♦r✐t❤♠ st❡♣s ✐♥ ❞❡✈❡❧♦♣✐♥❣ ❣❡♥❡r❛t✐♦♥s ♦❢ ♠❡♠❜❡rs✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✽ ✶✳✻ ●❡♥❡t✐❝ ♦♣❡r❛t✐♦♥s ❛✮❈r♦ss♦✈❡r✱ ❜✮ ▼✉t❛t✐♦♥✱ ❝✮ ❘❡♣r♦❞✉❝✐♥❣ ♥❡✇ ❝❤✐❧❞✳ ✳ ✳ ✳ ✳ ✶✾ ✷✳✶ ❋✉❡❧ ❝❡❧❧s ❡♥❡r❣② ❞❡♥s✐t② ❝♦♠♣❛r❡❞ ✇✐t❤ t❤❡ ♣♦✇❡r ❞❡♥s✐t② ♦❢ t❤❡ s✉♣❡r❝❛♣❛❝✐t♦r ❛♥❞ t❤❡ ❜❛tt❡r② ✐♥ ❜❡t✇❡❡♥ t❤❡♠ ❬✸✶❪✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✷ ✷✳✷ ❉✐✛❡r❡♥t ♣♦ss✐❜❧❡ ♣❛ss✐✈❡✴❛❝t✐✈❡ ❛♥❞ ♣❛r❛❧❧❡❧✴s❡r✐❡s ❝♦♥♥❡❝t✐♦♥s ❜❡t✇❡❡♥ ♣♦✇❡r s♦✉r❝❡s ❬✸✷❪✳ ✭❛✮ ♣❛ss✐✈❡ ❝♦♥♥❡❝t✐♦♥ ❢♦r ♣♦✇❡r s♦✉r❝❡s✳ ✭❜✮ s❡♠✐✲❛❝t✐✈❡ ❝♦♥♥❡❝✲ t✐♦♥ ❢♦r ♣♦✇❡r s♦✉r❝❡s✳ ✭❝✮ ❆❝t✐✈❡ ❝♦♥♥❡❝t✐♦♥ ❢♦r ♣♦✇❡r s♦✉r❝❡s✳ ✭❞✮ ♣❛r❛❧❧❡❧ ❝♦♥♥❡❝t✐♦♥ ❢♦r ♣♦✇❡r s♦✉r❝❡s✳ ✭❡✮ s❡r✐❡s ❝♦♥♥❡❝t✐♦♥ ❢♦r ♣♦✇❡r s♦✉r❝❡s✳ ✳ ✳ ✳ ✳ ✳ ✷✹ ✷✳✸ ❚❤❡ ♣❛r❛❧❧❡❧✴❛❝t✐✈❡ ❝♦♥✜❣✉r❛t✐♦♥ ❝♦♥s✐❞❡r❡❞ ❢♦r t❤❡ ♦♥✲❜♦❛r❞ ♣♦✇❡r s✉♣♣❧② s②s✲ t❡♠✱ ✇❤✐❝❤ ❝♦♥s✐sts ♦❢ t❤r❡❡ ♣♦✇❡r s♦✉r❝❡s ♣❛r❛❧❧❡❧❡❞ ✇✐t❤ t❤❡✐r ❛ss♦❝✐❛t❡❞ ❉❈✲ ❉❈ ❝♦♥✈❡rt❡rs ♦♥ ❛ ❝♦♠♠♦♥ ❉❈✲❜✉s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✺ ✷✳✹ ❙✐♠♣❧❡ ❜❛tt❡r② ❡q✉✐✈❛❧❡♥t ❡❧❡❝tr✐❝❛❧ s❝❤❡♠❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✻ ✷✳✺ ▼♦r❡ ❝♦♠♣❧❡① ❜❛tt❡r② ❡q✉✐✈❛❧❡♥t ❡❧❡❝tr✐❝❛❧ s❝❤❡♠❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✻ ✷✳✻ ❙✉♣❡r❝❛♣❛❝✐t♦r ❞②♥❛♠✐❝ ❡q✉✐✈❛❧❡♥t ❡❧❡❝tr✐❝❛❧ s❝❤❡♠❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✼ ✷✳✼ ❋✉❡❧ ❝❡❧❧ ❞②♥❛♠✐❝ ❡q✉✐✈❛❧❡♥t ❡❧❡❝tr✐❝❛❧ s❝❤❡♠❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✽ ✷✳✽ ✶✲q✉❛❞r❛♥t ❉❈✴❉❈ ❜♦♦st ❝♦♥✈❡rt❡r ❡❧❡❝tr✐❝❛❧ s❝❤❡♠❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✽ ✷✳✾ ✷✲q✉❛❞r❛♥t ❉❈✴❉❈ ❜✉❝❦✴❜♦♦st ❝♦♥✈❡rt❡r ❡❧❡❝tr✐❝❛❧ s❝❤❡♠❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✷✽ ✷✳✶✵ ❈♦♠♣❧❡t❡ ❡❧❡❝tr✐❝❛❧ s❝❤❡♠❛t✐❝ ♦❢ t❤❡ ❝♦♥s✐❞❡r❡❞ ♦♥✲❜♦❛r❞ ♣♦✇❡r s✉♣♣❧② s②st❡♠ ✐♥❝❧✉❞✐♥❣ ♣♦✇❡r s♦✉r❝❡s ❡q✉✐✈❛❧❡♥t ❡❧❡❝tr✐❝❛❧ ♠♦❞❡❧s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✷ ✈

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✈✐ ▲✐st ♦❢ ❋✐❣✉r❡s ✸✳✶ ●❧♦❜❛❧ ❝♦♥tr♦❧ ❜❧♦❝❦ ❞✐❛❣r❛♠ ❜❛s❡❞ ♦♥ ❝♦♥tr♦❧❧✐♥❣ t❤❡ ❝✉rr❡♥ts ♦❢ ♣♦✇❡r s♦✉r❝❡s ❜② ✉s✐♥❣ ❧♦✇✲❧❡✈❡❧ ❝♦♥tr♦❧ ✇❤✐❝❤ s❡r✈❡s t❤❡ r❡❢❡r❡♥❝❡s ♣r♦✈✐❞❡❞ ❜② t❤❡ ✉♣♣❡r✲ ❧❡✈❡❧ ❝♦♥tr♦❧✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✺ ✸✳✷ ❚❤❡ ❧♦❝❛❧ ❝❧♦s❡❞✲❧♦♦♣ ❝♦♥tr♦❧ ❢♦r ❡❛❝❤ ❉❈✲❉❈ ♣♦✇❡r ❝♦♥✈❡rt❡r✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✻ ✸✳✸ H∞ ❘♦❜✉st ❝♦♥tr♦❧ ❞❡s✐❣♥ ❜❧♦❝❦ ❞✐❛❣r❛♠✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✸✽ ✸✳✹ ❚❤❡ ♦❜❥❡❝t✐✈❡ ❢✉♥❝t✐♦♥ f2♦❢ t❤❡ ❣❡♥❡t✐❝ ❛❧❣♦r✐t❤♠ ✇✐t❤ ❝♦rr❡s♣♦♥❞✐♥❣ ❢r❡q✉❡♥❝② ✐♥t❡r✈❛❧s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✷ ✸✳✺ ❇♦❞❡ ❣❛✐♥ ❞✐❛❣r❛♠s ❢♦r ❝❧♦s❡❞✲❧♦♦♣ tr❛♥s❢❡r ❢✉♥❝t✐♦♥s ❢r♦♠ Iload ❞✐st✉r❜❛♥❝❡ ✐♥♣✉t t♦ ❝♦♥tr♦❧❧❡❞ ♦✉t♣✉ts (eV dc Iload, eIf c Iload, eIbat Iload✱ ❛♥❞ eV sc Iload✱ r❡s♣❡❝t✐✈❡❧②✮ ✇✐t❤ t❤❡✐r ❝♦rr❡s♣♦♥❞✐♥❣ ✇❡✐❣❤t✐♥❣ ❢✉♥❝t✐♦♥s ❢♦✉♥❞ ❜② ❣❡♥❡t✐❝ ❛❧❣♦r✐t❤♠✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✸ ✸✳✻ ❇♦❞❡ ❣❛✐♥ ❞✐❛❣r❛♠s ❢♦r ❝❧♦s❡❞✲❧♦♦♣ tr❛♥s❢❡r ❢✉♥❝t✐♦♥s ❢r♦♠ Iload ❞✐st✉r❜❛♥❝❡ ✐♥♣✉t t♦ ❝♦♥tr♦❧❧❡❞ ♦✉t♣✉ts If c Iload, Ibat Iload ❛♥❞ Isc Iload✱ r❡s♣❡❝t✐✈❡❧②✮ ✇✐t❤ t❤❡✐r ❝♦rr❡✲ s♣♦♥❞✐♥❣ ✇❡✐❣❤t✐♥❣ ❢✉♥❝t✐♦♥s ❢♦✉♥❞ ❜② ❣❡♥❡t✐❝ ❛❧❣♦r✐t❤♠✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✹ ✸✳✼ ▲P❱✴H∞ ❝♦♥tr♦❧❧❡r ❞❡s✐❣♥ ♣r♦❝❡❞✉r❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✺ ✸✳✽ ❚❤❡ ♣♦ss✐❜❧❡ str❛t❡❣✐❡s ❢♦r ❝♦♥tr♦❧❧❡r r❡❞✉❝t✐♦♥✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✼ ✸✳✾ ❚r❛♥s❢❡r ♠❛tr✐① ♦❢ ♦♥❡ ✈❡rt❡① ❝♦♥tr♦❧❧❡r✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✽ ✸✳✶✵ ❋r❡q✉❡♥❝② ❛♥❛❧②s✐s ❝♦♠♣❛r✐s♦♥ ❜❡t✇❡❡♥ ❢✉❧❧✲♦r❞❡r ❛♥❞ r❡❞✉❝❡❞✲♦r❞❡r ✈❡rt❡① ❝♦♥tr♦❧❧❡rs✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✶ ✸✳✶✶ ▲♦❛❞ ❝✉rr❡♥t s❝❡♥❛r✐✐ r❡♣r❡s❡♥t✐♥❣ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✺✽ ✸✳✶✷ ❘❡❣✉❧❛t❡❞ ❉❈✲❜✉s ✈♦❧t❛❣❡ ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✲ ✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✾ ✸✳✶✸ ❚❤❡ t❤r❡❡ ♣♦✇❡r s♦✉r❝❡s✬ ❝✉rr❡♥ts ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ◆❊❉❈ ❧♦❛❞ ❝✉rr❡♥t ♣r♦✜❧❡ ❛♥❞ ❣❡♥❡r❛t❡❞ ❜② ✭❛✮ ❢✉❧❧✲♦r❞❡r ❝♦♥tr♦❧❧❡r ❛♥❞ ✭❜✮ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡r✳ ✳ ✳ ✳ ✻✵ ✸✳✶✹ ❚❤❡ t❤r❡❡ ♣♦✇❡r s♦✉r❝❡s✬ ❝✉rr❡♥ts ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ■❋❙❚❚❆❘ ❧♦❛❞ ❝✉rr❡♥t ♣r♦✜❧❡ ❛♥❞ ❣❡♥❡r❛t❡❞ ❜② ✭❛✮ ❢✉❧❧✲♦r❞❡r ❝♦♥tr♦❧❧❡r ❛♥❞ ✭❜✮ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡r✳ ✻✶ ✸✳✶✺ ❋✉❡❧ ❝❡❧❧ ❝✉rr❡♥t ❣❡♥❡r❛t❡❞ ❜② ❢✉❧❧✲♦r❞❡r ❛♥❞ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡rs ❛♥❞ ❝♦r✲ r❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻✷ ✸✳✶✻ ❇❛tt❡r② ❝✉rr❡♥t ❣❡♥❡r❛t❡❞ ❜② ❢✉❧❧✲♦r❞❡r ❛♥❞ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡rs ❛♥❞ ❝♦r✲ r❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻✸ ✸✳✶✼ ❙✉♣❡r❝❛♣❛❝✐t♦r ❝✉rr❡♥t ❣❡♥❡r❛t❡❞ ❜② ❢✉❧❧✲♦r❞❡r ❛♥❞ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡rs ❛♥❞ ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻✹

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▲✐st ♦❢ ❋✐❣✉r❡s ✈✐✐ ✸✳✶✽ ◆♦r♠❛❧✐③❡❞ ♣♦✇❡r s♣❡❝tr❛❧ ❞❡♥s✐t② ✭◆P❙❉✮ ♦❢ t❤❡ t❤r❡❡ s♦✉r❝❡s ❝✉rr❡♥ts ❝♦r✲ r❡s♣♦♥❞✐♥❣ t♦ ◆❊❉❈ ❧♦❛❞ ❝✉rr❡♥t ♣r♦✜❧❡ ❣❡♥❡r❛t❡❞ ❜② ✭❛✮ ❢✉❧❧✲♦r❞❡r ❝♦♥tr♦❧❧❡r ❛♥❞ ✭❜✮ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡r✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻✺ ✸✳✶✾ ◆♦r♠❛❧✐③❡❞ ♣♦✇❡r s♣❡❝tr❛❧ ❞❡♥s✐t② ✭◆P❙❉✮ ♦❢ t❤❡ t❤r❡❡ s♦✉r❝❡s ❝✉rr❡♥ts ❝♦rr❡✲ s♣♦♥❞✐♥❣ t♦ ■❋❙❚❚❆❘ ❧♦❛❞ ❝✉rr❡♥t ♣r♦✜❧❡ ❣❡♥❡r❛t❡❞ ❜② ✭❛✮ ❢✉❧❧✲♦r❞❡r ❝♦♥tr♦❧❧❡r ❛♥❞ ✭❜✮ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡r✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻✻ ✸✳✷✵ ❙✉♣❡r❝❛♣❛❝✐t♦r st❛t❡ ♦❢ ❝❤❛r❣❡ ✭❙❖❈✮ r❡❣✉❧❛t❡❞ ❜② ❢✉❧❧✲♦r❞❡r ❛♥❞ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡rs ❛♥❞ ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✻✼ ✸✳✷✶ ❚❤❡ ✈❛r②✐♥❣ ♣❛r❛♠❡t❡r ✈❡❝t♦r ❡✈♦❧✉t✐♦♥ ρ = [αf c, αbat, αsc] ✐♥ t❤❡ ❢♦✉r ❝❛s❡s ✭❛✮ ❢✉❧❧✲♦r❞❡r ❝♦♥tr♦❧❧❡r ✉s❡❞ ✇✐t❤ ◆❊❉❈✱ ✭❜✮ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡r ✉s❡❞ ✇✐t❤ ◆❊❉❈✱ ✭❝✮ ❢✉❧❧✲♦r❞❡r ❝♦♥tr♦❧❧❡r ✉s❡❞ ✇✐t❤ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡✱ ❛♥❞ ✭❞✮ r❡❞✉❝❡❞✲♦r❞❡r ❝♦♥tr♦❧❧❡r ✉s❡❞ ✇✐t❤ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻✽ ✸✳✷✷ ❈♦♥st❛♥t ❧♦❛❞ ❝✉rr❡♥t s✐♠✉❧❛t✐♦♥ r❡s✉❧ts ✭t❤✐r❞ s❝❡♥❛r✐♦✮✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻✾ ✹✳✶ ❉❡t❛✐❧s ♦❢ t❤❡ r❡❛❧✲t✐♠❡ ✈❛❧✐❞❛t✐♦♥ s❡t✉♣ ✐♥ ■❘❚❊❙✲❙❊❚ ❧❛❜♦r❛t♦r② ✐♥ ❇❡❧❢♦rt✱ ❋r❛♥❝❡✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✸ ✹✳✷ ❙❝❤❡♠❛t✐❝s ♦❢ t❤❡ r❛♣✐❞✲♣r♦t♦t②♣✐♥❣ t❡st ❜❡♥❝❤ ✉s❡❞ t♦ ✈❛❧✐❞❛t❡ t❤❡ ❡♥❡r❣② ♠❛♥❛❣❡♠❡♥t s②st❡♠✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✹ ✹✳✸ ❚❤❡ t✇♦ s✉♣❡r❝❛♣❛❝✐t♦rs ✉s❡❞ ✐♥ t❤❡ t❡st ❜❡♥❝❤ ✐♥ s❡r✐❡s ❝♦♥♥❡❝t✐♦♥✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✺ ✹✳✹ ❚❤❡ t❤r❡❡ ❜❛tt❡r✐❡s ✉s❡❞ ✐♥ t❤❡ t❡st ❜❡♥❝❤ ✐♥ s❡r✐❡s ❝♦♥♥❡❝t✐♦♥✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✻ ✹✳✺ ◆❊❳❆ ❢✉❡❧ ❝❡❧❧ ✇✐t❤ ✐ts ❡♠✉❧❛t♦r ✉s❡❞ ✐♥ t❤❡ s②st❡♠✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✼ ✹✳✻ ❙❝❤❡♠❛t✐❝s ♦❢ ❛ t❤r❡❡✲♣❤❛s❡ ❉❈✲❆❈ ✐♥✈❡rt❡r ✇❤♦s❡ ❜r❛♥❝❤❡s ❛r❡ ✉s❡❞ ❛s t❤r❡❡ ❉❈✲❉❈ ❝♦♥✈❡rt❡rs ❝♦♥♥❡❝t❡❞ ✐♥ ♣❛r❛❧❧❡❧ t♦ ❛ ❉❈✲❜✉s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✽ ✹✳✼ Pr♦❣r❛♠♠❛❜❧❡ ❛❝t✐✈❡ ❧♦❛❞ ❞❡✈✐❝❡ ✉s❡❞ t♦ ❛♣♣❧② ❞❡s✐r❡❞ ❧♦❛❞ ❝✉rr❡♥t ♣r♦✜❧❡ t♦ ❉❈✲❜✉s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼✾ ✹✳✽ ❍✉♠❛♥✲♠❛❝❤✐♥❡ ✐♥t❡r❢❛❝❡ ❜✉✐❧t t♦ ❝♦♠♠✉♥✐❝❛t❡ ✇✐t❤ t❤❡ r❡❛❧✲t✐♠❡ ❝♦♥tr♦❧ s②st❡♠✳ ✽✷ ✹✳✾ ▲♦❛❞ ❝✉rr❡♥t s❝❡♥❛r✐✐ r❡♣r❡s❡♥t✐♥❣ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✽✼ ✹✳✶✵ ❘❡❣✉❧❛t❡❞ ❉❈✲❜✉s ✈♦❧t❛❣❡ ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✲ ✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✽✽ ✹✳✶✶ ❚❤r❡❡ ♣♦✇❡r s♦✉r❝❡s ❝✉rr❡♥ts ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✽✾ ✹✳✶✷ ❋✉❡❧ ❝❡❧❧ ❝✉rr❡♥t ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✾✵ ✹✳✶✸ ❇❛tt❡r② ❝✉rr❡♥t ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✾✶

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✈✐✐✐ ▲✐st ♦❢ ❋✐❣✉r❡s ✹✳✶✹ ❙✉♣❡r❝❛♣❛❝✐t♦r ❝✉rr❡♥t ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾✷ ✹✳✶✺ ❙✉♣❡r❝❛♣❛❝✐t♦r st❛t❡ ♦❢ ❝❤❛r❣❡ ✭❙❖❈✮ ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋✲ ❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾✸ ✹✳✶✻ ❚❤❡ ✈❛r②✐♥❣ ♣❛r❛♠❡t❡r ✈❡❝t♦r ρ = [αf c, αbat, αsc]❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾✹ ✹✳✶✼ P♦✇❡r s♣❡❝tr❛❧ ❞❡♥s✐t② ♦❢ ❧♦❛❞ ❝✉rr❡♥t ❝♦rr❡s♣♦♥❞s t♦ ◆❊❉❈ ✭✐♥ ❜❧✉❡✮ ❛♥❞ ■❋❙❚❚❆❘ ✭✐♥ r❡❞✮ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾✺ ✹✳✶✽ ◆♦r♠❛❧✐③❡❞ ♣♦✇❡r s♣❡❝tr❛❧ ❞❡♥s✐t② ♦❢ t❤❡ t❤r❡❡ s♦✉r❝❡s ❝✉rr❡♥ts ❝♦rr❡s♣♦♥❞✐♥❣ t♦ ✭❛✮ ◆❊❉❈ ❛♥❞ ✭❜✮ ■❋❙❚❚❆❘ ❞r✐✈✐♥❣ ❝②❝❧❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾✻ ❇✳✶ ❚❤❡ ♣♦ss✐❜❧❡ str❛t❡❣✐❡s ❢♦r ❝♦♥tr♦❧❧❡r r❡❞✉❝t✐♦♥✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵✸ ❇✳✷ ❚❤❡ ♣♦ss✐❜❧❡ str❛t❡❣✐❡s ❢♦r ❝♦♥tr♦❧❧❡r r❡❞✉❝t✐♦♥✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵✹ ❇✳✸ ❚❤❡ ♣♦ss✐❜❧❡ str❛t❡❣✐❡s ❢♦r ❝♦♥tr♦❧❧❡r r❡❞✉❝t✐♦♥✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵✺

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▲✐st ♦❢ ❚❛❜❧❡s

✸✳✶ ❚❤❡ ♠❛①✐♠✉♠ ✈❛❧✉❡ ♦❢ ❣❡♥❡t✐❝ ❛❧❣♦r✐t❤♠ ♦❜❥❡❝t✐✈❡ ❢✉♥❝t✐♦♥ f2 ✭r❡♣r❡s❡♥t❡❞ ❜② ✸✳✻✮ ❡✈❛❧✉❛t❡❞ ❛t ❛❧❧ ❝♦♥tr♦❧❧❡r ✈❡rt✐❝❡s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✹✺ ✸✳✷ H∞, H2 ◆♦r♠s ❝❛❧❝✉❧❛t✐♦♥s ❢♦r ❜♦t❤ r❡❞✉❝❡❞ ❛♥❞ ❢✉❧❧✲♦r❞❡r ❝♦♥tr♦❧❧❡rs✳ ✳ ✳ ✳ ✳ ✳ ✺✷ ✸✳✸ ❘❡❧❛t✐✈❡ ❡rr♦rs ❜❡t✇❡❡♥ r❡❞✉❝❡❞✲♦r❞❡r ❛♥❞ ❢✉❧❧✲♦r❞❡r ❝♦♥tr♦❧❧❡rs ✉s✐♥❣ H∞, H2 ◆♦r♠s✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✺✸ ❆✳✶ ❊❧❡❝tr✐❝❛❧ s②st❡♠ ♣❛r❛♠❡t❡rs ✉s❡❞ ❢♦r s✐♠✉❧❛t✐♦♥ ❛♥❞ r❡❛❧✲t✐♠❡ ✈❛❧✐❞❛t✐♦♥✳ ✳ ✳ ✳ ✶✵✷ ✐①

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❚❛❜❧❡ ♦❢ ❛❝r♦♥②♠s

❊▼❙ ❊♥❡r❣② ▼❛♥❛❣❡♠❡♥t ❙②st❡♠ ◆❊❉❈ ◆❡✇ ❊✉r♦♣❡❛♥ ❉r✐✈✐♥❣ ❈②❝❧❡ ▲▼■ ▲✐♥❡❛r ▼❛tr✐① ■♥❡q✉❛❧✐t② ◆▲▼■s ◆♦♥✲▲✐♥❡❛r ▼❛tr✐① ■♥❡q✉❛❧✐t✐❡s ▲❚■ ▲✐♥❡❛r ❚✐♠❡ ■♥✈❛r✐❛♥t ▲P❱ ▲✐♥❡❛r P❛r❛♠❡t❡r ❱❛r②✐♥❣ ▲❋❚ ▲✐♥❡❛r ❋r❛❝t✐♦♥❛❧ ❚r❛♥s❢♦r♠❛t✐♦♥ In ■❞❡♥t✐t② ♠❛tr✐① ♦❢ ❞✐♠❡♥s✐♦♥ n ❙❈ ❙✉♣❡r❝❛♣❛❝✐t♦r ❋❈ ❋✉❡❧ ❈❡❧❧ ●❆ ●❡♥❡t✐❝ ❛❧❣♦r✐t❤♠ ▼❊❆ ▼❡♠❜r❛♥❡ ❊❧❡❝tr♦❧②t❡ ❆ss❡♠❜❧② ▼❚❇❋ ▼❡❛♥ ❚✐♠❡ ❇❡t✇❡❡♥ ❋❛✐❧✉r❡ ❙❖❈ ❙t❛t❡ ❖❢ ❈❤❛r❣❡ P❲▼ P✉❧s❡ ❲✐❞t❤ ▼♦❞✉❧❛t✐♦♥ ❉❆❘P❖ ❉❡s❝❡♥t ❆❧❣♦r✐t❤♠ ❢♦r ❘❡s✐❞✉❡s ❛♥❞ P♦❧❡s ❖♣t✐♠✐③❛t✐♦♥ ■❙❚■❆ ■t❡r❛t✐✈❡ ❙❱❉ ❚❛♥❣❡♥t✐❛❧ ❑r②❧♦✈ ❆❧❣♦r✐t❤♠ ■❘❚❊❙✲❙❊❚ ■♥st✐t✉t ❞❡ ❘❡❝❤❡r❝❤❡ s✉r ❧❡s ❚r❛♥s♣♦rts✱ ❧✬❊♥❡r❣✐❡ ❡t ❧❛ s♦❝✐été ✲ ❙②stè♠❡s ❡t ❚r❛♥s♣♦rts ❧❛❜♦r❛t♦r② ❍▼■ ❍✉♠❛♥ ▼❛❝❤✐♥❡ ■♥t❡r❢❛❝❡ P❙❉ P♦✇❡r ❙♣❡❝tr❛❧ ❉❡♥s✐t② ◆P❙❉ ◆♦r♠❛❧✐③❡❞ P♦✇❡r ❙♣❡❝tr❛❧ ❉❡♥s✐t② ▲P❱ ▲✐♥❡❛r P❛r❛♠❡t❡r ❱❛r②✐♥❣ ❙■❙❖ ❙✐♥❣❧❡ ■♥♣✉t ❙✐♥❣❧❡ ❖✉t♣✉t ▼■▼❖ ▼✉❧t✐ ■♥♣✉ts ▼✉❧t✐ ❖✉t♣✉ts ①✐

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●❡♥❡r❛❧ ✐♥tr♦❞✉❝t✐♦♥

❚❤❡ ✐♠♣♦rt❛♥❝❡ ♦❢ t❤❡ ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡s ❝♦♠❡s ❢r♦♠ t❤❡ ❣r♦✇✐♥❣ ♣r✐❝❡s ♦❢ ♣❡tr♦❧ ♣r♦❞✉❝ts ❜❡s✐❞❡s t❤❡ ✐♥❝r❡❛s✐♥❣ ✐♥ t❤❡ ❛t♠♦s♣❤❡r❡ ♣♦❧❧✉t✐♦♥ ❬✶❪✳ ❈❛r ♠❛♥✉❢❛❝t✉r❡rs tr② t♦ ✜♥❞ ❝❧❡❛♥ ♣♦✇❡r s♦✉r❝❡s ✭❡✳❣✳✱ ❢✉❡❧ ❝❡❧❧s ❛♥❞ s♦❧❛r ♣❛♥❡❧s✮ ❛♥❞ ❛❧s♦ ❞❡✈❡❧♦♣ ✐♥♥♦✈❛t✐✈❡ ✇❛② t♦ ♠❛♥❛❣❡ t❤❡ ♣♦✇❡r ✢♦✇ ✐♥s✐❞❡ t❤❡ ✈❡❤✐❝❧❡ ✐♥ ♦r❞❡r t♦ ♠✐♥✐♠✐③❡ t❤❡ ❣❧♦❜❛❧ ❝♦♥s✉♠♣t✐♦♥ ❬✷❪✳ ❆❧t❡r♥❛t❡❧②✱ ❛✉①✐❧✐❛r② ♣♦✇❡r s♦✉r❝❡s ❛r❡ ❛❞❞❡❞ ✐♥ ♦r❞❡r t♦ ✐♥❝r❡❛s❡ t❤❡ ❡✣❝✐❡♥❝② ❜② ❝♦❧❧❡❝t✐♥❣ t❤❡ r❡✈❡rs❡❞ ♣♦✇❡r ✭♣♦✇❡r ❣❡♥❡r❛t❡❞ ❞✉r✐♥❣ t❤❡ ❜r❛❦✐♥❣ ♣❤❛s❡✮ ❛♥❞ st♦r❡ ✐t✳ ❆s ✐♥ ❛♥② ♠✐❝r♦✲❣r✐❞✱ t❤❡ ❡❧❡❝tr✐❝ s②st❡♠ ♦❢ ❛ ✈❡❤✐❝❧❡ ❝❛♥ ❜❡ ❞✐✈✐❞❡❞ ✐♥t♦ t❤r❡❡ ♠❛✐♥ ♣❛rts✿ • ■♥♣✉t st❛❣❡✿ t❤✐s st❛❣❡ ❝♦♥t❛✐♥s ❛❧❧ ❞✐✛❡r❡♥t ❆❈ ♦r ❉❈ ♣♦✇❡r s♦✉r❝❡s ✐♥ t❤❡ s②st❡♠✳ ❉❡✲ ♣❡♥❞✐♥❣ ♦♥ t❤❡✐r r♦❧❡ ✇✐t❤✐♥ t❤❡ ♦♥✲❜♦❛r❞ ♣♦✇❡r s✉♣♣❧② s②st❡♠✱ s♦✉r❝❡s ❝❛♥ ❜❡ ❝❧❛ss✐✜❡❞ ✐♥t♦ t✇♦ t②♣❡s✿ ◦ ♣r✐♠❛r② ♣♦✇❡r s♦✉r❝❡✿ ✇❤✐❝❤ ❝❛♥ tr❛♥s❢♦r♠ t❤❡ ❡♥❡r❣② ❢r♦♠ ❞✐✛❡r❡♥t ♣❤②s✐❝❛❧ ❢♦r♠s ✐♥t♦ ❡❧❡❝tr✐❝❛❧ ♦♥❡✳ ❖♥❡ ❞✐r❡❝t✐♦♥❛❧ ♣♦✇❡r ✢♦✇ ✐s ✉s✉❛❧❧② ❛❧❧♦✇❡❞ ❢♦r s✉❝❤ ♣♦✇❡r s♦✉r❝❡s t♦ ❢❡❡❞ t❤❡ ❡❧❡❝tr✐❝❛❧ s②st❡♠✳ ❋✉❡❧ ❝❡❧❧s ✭❝❤❛♥❣❡ ❤②❞r♦❣❡♥ ♣♦✇❡r ✐♥t♦ ❡❧❡❝tr✐❝❛❧ ♦♥❡✮✱ ✇✐♥❞ t✉r❜✐♥❡s ✭❝❤❛♥❣❡ ✇✐♥❞ ♣♦✇❡r ✐♥t♦ ❡❧❡❝tr✐❝❛❧ ♦♥❡✮✱ s♦❧❛r ♣❛♥❡❧s ✭❝❤❛♥❣❡ s♦❧❛r ♣♦✇❡r ✐♥t♦ ❡❧❡❝tr✐❝❛❧ ♦♥❡✮✱ ❞✐❡s❡❧✴t❤❡r♠❛❧ ❡♥❣✐♥❡s ✭❝❤❛♥❣❡ ❢♦ss✐❧ ❢✉❡❧ ♣♦✇❡r ✐♥t♦ ❡❧❡❝tr✐❝❛❧ ♦♥❡✮ ❛r❡ ❣♦♦❞ ❡①❛♠♣❧❡s ♦❢ ♣r✐♠❛r② ♣♦✇❡r s♦✉r❝❡s✳ ◦ ❛✉①✐❧✐❛r② ♣♦✇❡r s♦✉r❝❡✿ t❤✐s ❦✐♥❞ ♦❢ s♦✉r❝❡s ✐s ✉s✉❛❧❧② ✉s❡❞ t♦ st♦❝❦ ❡❧❡❝tr✐❝❛❧ ❡♥❡r❣②✳ ❇✐❞✐r❡❝t✐♦♥❛❧ ♣♦✇❡r ✢♦✇ ✐s ♥❡❡❞❡❞ ✐♥ ♦r❞❡r t♦ ❝❤❛r❣❡✴❞✐s❝❤❛r❣❡ s✉❝❤ ♣♦✇❡r s♦✉r❝❡s✳ ❇❛tt❡r② ❛♥❞ s✉♣❡r❝❛♣❛❝✐t♦r ❛r❡ ❣♦♦❞ ❡①❛♠♣❧❡s ♦❢ ❛✉①✐❧✐❛r② ♣♦✇❡r s♦✉r❝❡s✳ • ❖✉t♣✉t st❛❣❡✿ t❤✐s st❛❣❡ ✐s ✉s✉❛❧❧② r❡♣r❡s❡♥t❡❞ ❜② t❤❡ ❉❈✲❜✉s ✇❤✐❝❤ st❛♥❞s ❢♦r t❤❡ ❝♦♠♠♦♥ ❝♦♥♥❡❝t✐♦♥ ❜❡t✇❡❡♥ s②st❡♠✬s s♦✉r❝❡s ❛♥❞ ❧♦❛❞s✳ ❚❤❡ ❉❈✲❜✉s ✐s ✐♥ ❝❤❛r❣❡ ✇✐t❤ ❢❡❡❞✐♥❣ t❤❡ s②st❡♠ ❧♦❛❞ r❡❣❛r❞❧❡ss ♦❢ ✐ts t②♣❡✳ • ❈♦♥✈❡rs✐♦♥ st❛❣❡✿ t❤✐s st❛❣❡ ✐♥❝❧✉❞❡s ❛❧❧ ♥❡❡❞❡❞ ❉❈✲❉❈✱ ❉❈✲❆❈✱ ❛♥❞ ❆❈✲❉❈ ♣♦✇❡r ❝♦♥✈❡rt❡rs t❤❛t ❛❞❛♣t ✈♦❧t❛❣❡ ❛♥❞ ❝✉rr❡♥t ❧❡✈❡❧s ♦❢ t❤❡ ❞✐✛❡r❡♥t s♦✉r❝❡s ❛♥❞ ❧♦❛❞s ❝♦♥✲ ♥❡❝t❡❞ t♦ t❤❡ ❝♦♠♠♦♥ ❉❈✲❜✉s✳ ❈♦♥✈❡rt❡rs ❝❛♥ ❜❡ ✶✲q✉❛❞r❛♥t t②♣❡ t❤❛t ❛❧❧♦✇s ♣♦✇❡r ✢♦✇ ✐♥ ♦♥❡ ❞✐r❡❝t✐♦♥✱ ♦r t❤❡② ❝❛♥ ❜❡ ✷✲q✉❛❞r❛♥t t②♣❡ ✇❤❡♥ ❜✐❞✐r❡❝t✐♦♥❛❧ ♣♦✇❡r ✢♦✇ ✐s ♥❡❡❞❡❞✳ ❋✐❣✳ ✶ s❤♦✇s t❤❡ ❞✐✛❡r❡♥t ♣♦ss✐❜❧❡ ❞❡✈✐❝❡s t❤❛t ❝❛♥ ❜❡ ✉s❡❞ ✐♥ ❛ ♠✐❝r♦✲❣r✐❞ ❝♦♥✜❣✉r❛t✐♦♥✳ ❊♥❡r❣② ♠❛♥❛❣❡♠❡♥t s②st❡♠ ✭❊▼❙✮ ✐s t❤❡♥ r❡q✉✐r❡❞ t♦ ♦♣❡r❛t❡ t❤❡ ❞✐✛❡r❡♥t ❞❡✈✐❝❡s ❛♥❞ t♦ ❡♥s✉r❡ ❛ ❞❡s✐r❡❞ ♣♦✇❡r s❤❛r✐♥❣ ❜❡t✇❡❡♥ s♦✉r❝❡s t♦ s❛t✐s❢② t❤❡ ❧♦❛❞ ❞❡♠❛♥❞s✳ ■t ❛❝ts ♦♥ t❤❡ ❝♦♥✈❡rs✐♦♥ st❛❣❡ ❜② ❞❡t❡r♠✐♥✐♥❣ ❡❛❝❤ ♣♦✇❡r ❝♦♥✈❡rt❡r ❞✉t② ❝②❝❧❡✳ ❚❤❡ ❊▼❙ s♣❡❝✐✜❝❛t✐♦♥s ❛♥❞ r❡q✉✐r❡♠❡♥ts ❛r❡ ❞✐s❝✉ss❡❞ ❧❛t❡r ✐♥ t❤✐s t❤❡s✐s✳ ■♥ t❤❡ ❧✐t❡r❛t✉r❡✱ t❤❡ ❝♦♥s✐❞❡r❡❞ ❡❧❡❝tr✐❝❛❧ s②st❡♠s ✉s❡ t✇♦✱ t❤r❡❡✱ ♦r ❡✈❡♥ ♠♦r❡ ♣♦✇❡r s♦✉r❝❡s ✐♥ ❞✐✛❡r❡♥t ❝♦♠❜✐♥❛t✐♦♥s ❜❡t✇❡❡♥ ♣r✐♠❛r② ❛♥❞ ❛✉①✐❧✐❛r② s♦✉r❝❡s✱ ✇❤❡r❡ t❤❡ ✉s❡ ♦❢ ✶

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✷ ■♥tr♦❞✉❝t✐♦♥ ❋✐❣✉r❡ ✶✿ ●❡♥❡r❛❧ ❝♦♥✜❣✉r❛t✐♦♥ ♦❢ ❛ ♠✐❝r♦✲❣r✐❞✳ ❜❛tt❡r② ❛♥❞ s✉♣❡r❝❛♣❛❝✐t♦r ❝❛♥ ❜❡ ♠❛♥❛❣❡❞ t♦ r❡❞✉❝❡ t❤❡ ❡♥❡r❣② ❧♦ss ❜② ❝♦❧❧❡❝t✐♥❣ t❤❡ r❡✈❡rs❡❞ ♣♦✇❡r ❢r♦♠ t❤❡ ❧♦❛❞ ❛♥❞ ❝♦♥s❡q✉❡♥t❧② ✐♥❝r❡❛s✐♥❣ t❤❡ s②st❡♠ ❡✣❝✐❡♥❝②❬✸❪✳ ❇❡s✐❞❡s✱ ❊▼❙ ❝❛♥ ❜❡ ❞❡s✐❣♥❡❞ t♦ ♠❛♥❛❣❡ t❤❡ ♣♦✇❡r ✢♦✇ s✉❝❤ t❤❛t t♦ r❡s♣❡❝t ♦♣❡r❛t✐♥❣ ❝♦♥❞✐t✐♦♥s ❢♦r ❡❛❝❤ ❞❡✈✐❝❡ ✐♥ ♦r❞❡r t♦ ♣r❡s❡r✈❡ ✐ts r❡❧✐❛❜✐❧✐t② ❛♥❞ ❡①t❡♥❞ ✐ts ❧✐❢❡✳ ■♥ ♦t❤❡r ✇♦r❞s✱ ❡❛❝❤ ♣♦✇❡r s♦✉r❝❡ ♠✉st ❜❡ ♦♣❡r❛t❡❞ t♦ ❜❡ ❛s ❡✣❝✐❡♥t ❛s ♣♦ss✐❜❧❡✱ ❛❧❧ ❜② ❡♥s✉r✐♥❣ ❡①♣❧♦✐t❛t✐♦♥ ❝♦♥❞✐t✐♦♥s t❤❛t ❣✉❛r❛♥t❡❡ ✐ts r❡❧✐❛❜✐❧✐t②✳ ❬✹❪✳ ❋♦r ❡①❛♠♣❧❡✱ ❛✈♦✐❞ ❝❤❛♥❣✐♥❣ t❤❡ ❜❛tt❡r② ❧♦❛❞ ✭t❤❡ ❝✉rr❡♥t✮ ✈❡r② q✉✐❝❦❧② ❛♥❞ r❡s♣❡❝t t❤❡ ♦♣❡r❛t✐♥❣ ❝❤❛r❣✐♥❣ ❛♥❞ ❞✐s❝❤❛r❣✐♥❣ ❝✉r✈❡s ✭❞❡♣❡♥❞✐♥❣ ♦♥ t❤❡ ❜❛tt❡r② t②♣❡✮ ✇✐❧❧ ❧❡❛❞ t♦ ✐♠♣r♦✈❡ ❡①♣❧♦✐t❛t✐♦♥ ❝♦♥❞✐t✐♦♥s ❛♥❞ ❡①t❡♥❞ t❤❡ ❜❛tt❡r②✬s ❧✐❢❡✳ ❉✉r✐♥❣ t❤❡ t❤❡s✐s✱ s❡✈❡r❛❧ ♠❡t❤♦❞♦❧♦❣✐❡s ❤❛✈❡ ❜❡❡♥ ❞❡✈❡❧♦♣❡❞ ❛s ✐♥ ❬✺✱ ✻✱ ✼❪✳ ■♥ t❤✐s ❞✐ss❡rt❛t✐♦♥✱ ✇❡ ❤❛✈❡ ❝❤♦s❡♥ t♦ ❞❡t❛✐❧ ♦♥❧② t❤❡ LP V/H∞ ❛♣♣r♦❛❝❤ ❛s ❡♥❡r❣② ♠❛♥❛❣❡♠❡♥t s②st❡♠✳ ❆❧s♦ ✐t ✐s ❛ ❣❡♥❡r✐❝ s♦❧✉t✐♦♥ t❤❛t ✇❡ ✇✐❧❧ ❞❡t❛✐❧ st❛rt✐♥❣ ❢r♦♠ t❤❡ ❝❤♦✐❝❡ ♦❢ t❤❡ ♣♦✇❡r s✉♣♣❧② s②st❡♠ ✉♥t✐❧ t❤❡ r❡❛❧✲t✐♠❡ ❛♣♣❧✐❝❛t✐♦♥ ✇❤✐❝❤ ❤❛❞ t❛❦❡♥ ♣❧❛❝❡ ✐♥ ❝♦❧❧❛❜♦r❛t✐♦♥ ✇✐t❤ ■❘❚❊❙✲❙❡t ❧❛❜♦r❛t♦r② ✐♥ ❇❡❧❢♦rt✲❋r❛♥❝❡✳ ❚❤✐s t❤❡s✐s ❝♦♥s✐sts ♦❢ ❢♦✉r ♠❛✐♥ ❝❤❛♣t❡rs✱ ✇❤✐❝❤ ❛r❡ ❞❡s❝r✐❜❡❞ ❛s ❢♦❧❧♦✇s✿ ⋆ ❇❛❝❦❣r♦✉♥❞ ♦♥ ❝♦♥tr♦❧ t❤❡♦r② ❛♥❞ ♦♣t✐♠✐③❛t✐♦♥✿ ✐♥ t❤✐s ❝❤❛♣t❡r✱ t❤❡ ❞✐✛❡r❡♥t ♠❛t❤❡♠❛t✐❝❛❧ t♦♦❧s ✉s❡❞ ✐♥ s②♥t❤❡s✐③✐♥❣ ❛♥ LP V/H∞❛s ❛♥ ❊▼❙ ❢♦r ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡ ❛r❡ ♣r❡s❡♥t❡❞✳ ⋆ ❖♥✲❜♦❛r❞ ♣♦✇❡r s✉♣♣❧② s②st❡♠ ❝♦♥✜❣✉r❛t✐♦♥ ❛♥❞ ❊▼❙ r❡q✉✐r❡♠❡♥ts✿ t❤✐s ❝❤❛♣t❡r ✐❧❧✉str❛t❡s t❤❡ ❝♦♥s✐❞❡r❡❞ ❡❧❡❝tr✐❝❛❧ ❝♦♥✜❣✉r❛t✐♦♥ ♦❢ t❤❡ ♣♦✇❡r s✉♣♣❧② s②st❡♠ ✉s❡❞ ✐♥ ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡s✳ ▼♦❞❡❧s ♦❢ ❞✐✛❡r❡♥t ❡❧❡♠❡♥ts ❛r❡ ♣r❡s❡♥t❡❞ ❛♥❞ ❞❡t❛✐❧❡❞✳ ❆❧s♦✱

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■♥tr♦❞✉❝t✐♦♥ ✸ t❤❡ ❊▼❙ r❡q✉✐r❡♠❡♥ts ❛♥❞ s♣❡❝✐✜❝❛t✐♦♥s ❛r❡ ❧✐st❡❞✳ ⋆ ❋✉❧❧✲ ❛♥❞ r❡❞✉❝❡❞✲♦r❞❡r ▲P❱ ❝♦♥tr♦❧❧❡r ❛s ❊▼❙✿ t❤✐s ❝❤❛♣t❡r ❞❡t❛✐❧s t❤❡ ❞✐✛❡r❡♥t st❡♣s ✉s❡❞ ✐♥ s②♥t❤❡s✐③✐♥❣ t❤❡ LP V/H∞ ✐♥ ❛ ❣❡♥❡r✐❝ ✇❛②✳ ❚❤❡♥ ❧❛t❡r✱ ❛ r❡❞✉❝❡❞✲♦r❞❡r ✈❡rs✐♦♥ ♦❢ t❤❡ ❝♦♥tr♦❧❧❡r ✐s ♦❜t❛✐♥❡❞ ✐♥ ♦r❞❡r t♦ ❞❡❝r❡❛s❡ ✐ts ❝♦♠♣❧❡①✐t② ❛♥❞ t♦ ❜❡ ✉s❡❞ ✐♥ ❛ r❡❛❧✲t✐♠❡ ❛♣♣❧✐❝❛t✐♦♥✳ ⋆ ❘❡❛❧✲t✐♠❡ ✈❛❧✐❞❛t✐♦♥ ✉s✐♥❣ ❛ r❛♣✐❞✲♣r♦t♦t②♣✐♥❣ ♣❧❛t❢♦r♠ t❡st ❜❡♥❝❤✿ t❤✐s ❝❤❛♣✲ t❡r ✐❧❧✉str❛t❡s t❤❡ ❡✛❡❝t✐✈❡♥❡ss ♦❢ t❤❡ ❝♦♥s✐❞❡r❡❞ ❊▼❙ ✐♥ ❛ r❡❛❧✲t✐♠❡ ❛♣♣❧✐❝❛t✐♦♥ ✉s✐♥❣ ❛ ❞❡❞✐❝❛t❡❞ t❡st ❜❡♥❝❤✳ ❚❤❡ r❡s✉❧ts ❛♥❞ t❤❡ ❛❞✈❛♥t❛❣❡s ♦❢ t❤❡ ♣r♦♣♦s❡❞ ♣♦✇❡r s❤❛r✐♥❣ str❛t❡❣② ❛r❡ ❞✐s❝✉ss❡❞ ❛♥❞ ❡✈❛❧✉❛t❡❞ ❛❣❛✐♥st t❤❡ r❡q✉✐r❡♠❡♥ts ❛♥❞ ❝♦♥tr♦❧ ♦❜❥❡❝t✐✈❡s✳ ❋✐♥❛❧❧②✱ ❛ ❣❡♥❡r❛❧ ❝♦♥❝❧✉s✐♦♥ ✇✐t❤ ❜♦t❤ s❤♦rt✲t❡r♠ ❛♥❞ ❧♦♥❣✲t❡r♠ ❢✉rt❤❡r ✐♥✈❡st✐❣❛t✐♦♥ ✐ss✉❡s ♦❢ t❤❡ ✇♦r❦ ❛r❡ ♣r❡s❡♥t❡❞ ❛t t❤❡ ❡♥❞ ♦❢ t❤✐s t❤❡s✐s✳

P✉❜❧✐❝❛t✐♦♥ ❧✐st

■♥t❡r♥❛t✐♦♥❛❧ ❝♦♥❢❡r❡♥❝❡ ♣❛♣❡rs ✇✐t❤ ♣r♦❝❡❡❞✐♥❣s✿ ❬✺❪ ▲P❱ ❝♦♥tr♦❧ ❢♦r ♣♦✇❡r s♦✉r❝❡ ❝♦♦r❞✐♥❛t✐♦♥ ✲ ❛♣♣❧✐❝❛t✐♦♥ t♦ ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡s ❡♥❡r❣② ♠❛♥❛❣❡♠❡♥t s②st❡♠s ✭❲✳ ◆✇❡s❛t②✱ ❆✳■✳ ❇r❛t❝✉✱ ❛♥❞ ❖✳ ❙❡♥❛♠❡✮✳ ■♥✿ ❊✉r♦♣❡❛♥ ❈♦♥✲ tr♦❧ ❈♦♥❢❡r❡♥❝❡ ✭❊❈❈✮✱ ✷✵✶✹✱ ♣♣✳ ✷✻✹✾✲✷✻✺✹✳ ❬✻❪ ▼■▼❖ H∞ ❝♦♥tr♦❧ ❢♦r ♣♦✇❡r s♦✉r❝❡ ❝♦♦r❞✐♥❛t✐♦♥✲❛♣♣❧✐❝❛t✐♦♥ t♦ ❡♥❡r❣② ♠❛♥❛❣❡♠❡♥t s②st❡♠s ♦❢ ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡s ✭❲✳ ◆✇❡s❛t②✱ ❆✳■✳ ❇r❛t❝✉✱ ❛♥❞ ❖✳ ❙❡♥❛♠❡✮✳ ■♥✿ ✶✾t❤ ❲♦r❧❞ ❈♦♥❣r❡ss✱ ❚❤❡ ■♥t❡r♥❛t✐♦♥❛❧ ❋❡❞❡r❛t✐♦♥ ♦❢ ❆✉t♦♠❛t✐❝ ❈♦♥tr♦❧ ✭■❋❆❈✮✳ ✷✵✶✹✱ ♣♣✳ ✸✾✵✺✲✸✾✶✶✳ ❬✼❪ ❖♣t✐♠❛❧ ❢r❡q✉❡♥❝② s❡♣❛r❛t✐♦♥ ♦❢ ♣♦✇❡r s♦✉r❝❡s ❜② ♠✉❧t✐✲✈❛r✐❛❜❧❡ LP V/H∞ ❝♦♥tr♦❧✿ ❆♣♣❧✐❝❛t✐♦♥ t♦ ♦♥✲❜♦❛r❞ ❡♥❡r❣② ♠❛♥❛❣❡♠❡♥t s②st❡♠s ♦❢ ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡s ✭❲✳ ◆✇❡s❛t②✱ ❆✳■✳ ❇r❛t❝✉✱ ❛♥❞ ❖✳ ❙❡♥❛♠❡✮ ■♥✿ ❉❡❝✐s✐♦♥ ❛♥❞ ❈♦♥tr♦❧ ✭❈❉❈✮ ■❊❊❊ ✺✸r❞ ❆♥♥✉❛❧ ❈♦♥❢❡r❡♥❝❡✱ ✷✵✶✹✱ ♣♣✳ ✺✻✸✻✲✺✻✹✶✳ ❬✽❪ ❘❡❞✉❝❡❞✲♦r❞❡r ▲P❱ ❝♦♥tr♦❧❧❡r ❢♦r ❝♦♦r❞✐♥❛t✐♦♥ ♦❢ ♣♦✇❡r s♦✉r❝❡s ✇✐t❤✐♥ ♠✉❧t✐✲s♦✉r❝❡ ❡♥❡r❣② s②st❡♠s ✭❲✳ ◆✇❡s❛t②✱ ❆✳■✳ ❇r❛t❝✉✱ ❛♥❞ ❖✳ ❙❡♥❛♠❡✮ ■♥✿ ✽t❤ ■❋❆❈ ❙②♠♣♦s✐✉♠ ♦♥ ❘♦❜✉st ❈♦♥tr♦❧ ❉❡s✐❣♥ ✭❘❖❈❖◆❉✬✶✺✮✱ ✷✵✶✺✱ ♣♣ ✶✸✶✲✶✸✻✳ ◆❛t✐♦♥❛❧ ❝♦♥❢❡r❡♥❝❡ ♣❛♣❡rs ✇✐t❤ ♣r♦❝❡❡❞✐♥❣s✿ ❈♦♦r❞✐♥❛t✐♦♥ ♦❢ ♠✉❧t✐✲♣♦✇❡r✲s♦✉r❝❡s ✇✐t❤✐♥ ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡s✱ ✐♥ ❝♦♥tr♦❧ ♦❢ ❡❧❡❝tr✐❝❛❧ s②s✲ t❡♠s ♥❛t✐♦♥❛❧ ✇♦r❦✇❤♦♣ ❏♦✉r♥é❡s ❉♦❝t♦r❛❧❡s ▼❆❈❙ P❛r✐s✲❋r❛♥❝❡✱ ✷✵✶✺✳

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✹ ■♥tr♦❞✉❝t✐♦♥ ❙✉❜♠✐tt❡❞ ❥♦✉r♥❛❧✿

P♦✇❡r s♦✉r❝❡s ❝♦♦r❞✐♥❛t✐♦♥ t❤r♦✉❣❤ ♠✉❧t✐✲✈❛r✐❛❜❧❡ LP V/H∞ ❝♦♥tr♦❧ ✇✐t❤ ❛♣♣❧✐❝❛t✐♦♥ t♦

♠✉❧t✐✲s♦✉r❝❡ ❡❧❡❝tr✐❝ ✈❡❤✐❝❧❡s ✭❲✳ ◆✇❡s❛t②✱ ❆✳■✳ ❇r❛t❝✉✱ ❛♥❞ ❖✳ ❙❡♥❛♠❡✮✱ s✉❜♠✐tt❡❞ ♦♥ ♠❛r❝❤ 2nd t♦ ■❊❚ ❝♦♥tr♦❧ t❤❡♦r② ✫ ❛♣♣❧✐❝❛t✐♦♥ ✭✐♥ r❡✈✐❡✇ st❛❣❡✮✳

(22)

❈❤❛♣t❡r ✶

❇❛❝❦❣r♦✉♥❞ ♦♥ ❝♦♥tr♦❧ t❤❡♦r② ❛♥❞

♦♣t✐♠✐③❛t✐♦♥

❈♦♥t❡♥ts ✶✳✶ ❈♦♥✈❡① s❡t ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻ ✶✳✷ ▲✐♥❡❛r ▼❛tr✐① ■♥❡q✉❛❧✐t② ✭▲▼■✮ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✻ ✶✳✷✳✶ ▲▼■ ❞❡✜♥✐t✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼ ✶✳✷✳✷ ▲▼■ & s✉❜▲▼■ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼ ✶✳✷✳✸ ▲▼■ ❛❞✈❛♥t❛❣❡s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✼ ✶✳✷✳✹ ❙♦♠❡ ✉s❡❢✉❧ t♦♦❧s r❡❧❛t❡❞ t♦ ▲▼■ ❢♦r♠✉❧❛t✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✽ ✶✳✸ ❙✐❣♥❛❧ ❛♥❞ s②st❡♠ ♥♦r♠s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾ ✶✳✸✳✶ ▲❚■ s②st❡♠ ❞❡✜♥✐t✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾ ✶✳✸✳✷ ❱❡❝t♦r ♥♦r♠s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾ ✶✳✸✳✸ ❙✐❣♥❛❧ ♥♦r♠s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✾ ✶✳✸✳✹ H∞/H2 s②st❡♠ ♥♦r♠s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✵ ✶✳✹ LP V/H∞ ❝♦♥tr♦❧ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✶ ✶✳✹✳✶ ▲P❱ s②st❡♠ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✶ ✶✳✹✳✷ ▲P❱ s②st❡♠ st❛❜✐❧✐t② ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✸ ✶✳✹✳✸ ▲P❱ ❝♦♥tr♦❧ s②♥t❤❡s✐s ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✸ ✶✳✺ ●❡♥❡t✐❝ ❛❧❣♦r✐t❤♠ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✼ ✶✳✻ ❈♦♥❝❧✉s✐♦♥ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✳ ✶✾ ❚❤✐s ❝❤❛♣t❡r ✐s ❞❡✈♦t❡❞ t♦ ❜r✐❡✢② ♣r❡s❡♥t t❤❡ ❞✐✛❡r❡♥t t♦♦❧s ✉s❡❞ ❞✉r✐♥❣ t❤❡ t❤❡s✐s ✐♥ ♦♣t✐♠✐③❛t✐♦♥ ❛♥❞ r♦❜✉st ❝♦♥tr♦❧ s②♥t❤❡s✐s✳ ❚❤❡s❡ t♦♦❧s ❛r❡ ✇✐❞❡❧② ✉s❡❞ ✐♥ ❝♦♥tr♦❧ t❤❡♦r② ♥♦✇❛❞❛②s ❛♥❞ ❝❛♥ ❜❡ ❡❛s✐❧② ❢♦✉♥❞ ✐♥ t❤❡ ❧✐t❡r❛t✉r❡✳ ▲✐♥❡❛r ♠❛tr✐① ✐♥❡q✉❛❧✐t② ✭▲▼■✮✱ LP V/H∞✱ ❛♥❞ ❣❡♥❡t✐❝ ❛❧❣♦r✐t❤♠ ❛r❡ t❤❡ ♠❛✐♥ ❦❡②s t♦ ✇❤❛t ✐s ❝♦♠✐♥❣ ♥❡①t ✐♥ t❤✐s t❤❡s✐s✱ s♦ s♦♠❡ ❜❛s✐❝s r❡❧❛t❡❞ t♦ t❤❡s❡ ❝♦♥❝❡♣ts ❛r❡ r❡❝❛❧❧❡❞ ❤❡r❡✐♥✳ ❚♦ ❣❡t ♠♦r❡ ❞❡t❛✐❧❡❞ ❞❡✈❡❧♦♣♠❡♥ts t❤❡ ✐♥t❡r❡st❡❞ r❡❛❞❡r ♠❛② st✉❞②✱ ❛♠♦♥❣ ♦t❤❡rs✱ t❤❡ r❡❢❡r❡♥❝❡s ❬✾✱ ✶✵❪✳ ✺

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✻ ❈❤❛♣t❡r ✶✳ ❇❛❝❦❣r♦✉♥❞ ♦♥ ❝♦♥tr♦❧ t❤❡♦r② ❛♥❞ ♦♣t✐♠✐③❛t✐♦♥

✶✳✶ ❈♦♥✈❡① s❡t

■♥ ♦♣t✐♠✐③❛t✐♦♥ ♣r♦❝❡ss t❤❡r❡ ❛r❡ t✇♦ ✐♠♣♦rt❛♥t ✐ss✉❡s✱ t❤❡ ✜rst ♦♥❡ ❝♦♥❝❡r♥s t❤❡ ❡①✐st❡♥❝❡ ♦❢ ❛ s♦❧✉t✐♦♥ ❢♦r t❤❡ ♣r♦♣♦s❡❞ ♣r♦❜❧❡♠✱ ✇❤❡r❡❛s t❤❡ s❡❝♦♥❞ ✐ss✉❡ ✐s r❡❧❛t❡❞ t♦ t❤❡ s♦❧✉t✐♦♥ ♦♣t✐♠❛❧✐t② ✇❤❡t❤❡r ✐t ✐s ❧♦❝❛❧ ♦r ❣❧♦❜❛❧✳ ❚❤❡ ❝♦♥✈❡① ♣r♦♣❡rt② ♣❧❛②s ❛ ♠❛❥♦r r♦❧❡ ✐♥ ♦♣t✐♠✐③❛t✐♦♥ ♣r♦❝❡ss✳ ■❢ ❛ ❜♦✉♥❞❡❞ s❡t ✐s ❝♦♥✈❡①✱ t❤❡♥ t❤❡ s♦❧✉t✐♦♥ ❡①✐sts ❛♥❞✱ ♠♦r❡♦✈❡r✱ ✐t ✐s ❣❧♦❜❛❧✳ ▼❛♥② t♦♦❧s ❛r❡ ❞❡✈❡❧♦♣❡❞ ✐♥ ♦r❞❡r t♦ s♦❧✈❡ ❝♦♥✈❡① ♣r♦❜❧❡♠s ❡✣❝✐❡♥t❧② r❡❣❛r❞✐♥❣ t❤❡ ♦♣t✐♠✐③❛t✐♦♥ t✐♠❡ s✉❝❤ t❤❛t ❈❱❳ t♦♦❧ ❛♥❞ ❙❡❞✉♠✐✴❨❛❧♠✐♣ ✭❬✶✶✱ ✶✷❪✮✳ ❙♦♠❡ ✉s❡❢✉❧ ❞❡✜♥✐t✐♦♥s ✐♥ ❝♦♥✈❡① ♦♣t✐♠✐③❛t✐♦♥ ❛r❡ ❧✐st❡❞ ♥❡①t✳ • ❈♦♥✈❡① s❡t✿ ❆ s❡t X ✐♥ ❧✐♥❡❛r s♣❛❝❡ ✐s ❝♦♥✈❡① ✐❢ {x1, x2∈ X } ⇒ {x = αx1+ (1 − α)x2∈ X , ∀α ∈ [0, 1]} ✳ • ❈♦♥✈❡① ❝♦♠❜✐♥❛t✐♦♥✿ ✐❢ X ✐s ❝♦♥✈❡① ❛♥❞ (x1, . . . , xn) ∈ X✱ t❤❡♥ t❤❡ ♣♦✐♥t x ✇❤❡r❡ x = n X i=1 αixi ✐s ❝❛❧❧❡❞ ❝♦♥✈❡① ❝♦♠❜✐♥❛t✐♦♥ ♦❢ (x1, . . . , xn) ✐❢ αi≥ 0 ❢♦r 1 ≤ i ≤ n ❛♥❞ Pni=1αi = 1✳ • ❈♦♥✈❡① ❤✉❧❧✿ ❚❤❡ ❝♦♥✈❡① ❤✉❧❧ convκ ♦❢ ❛♥② s✉❜s❡t κ ⊂ X ✐s t❤❡ ✐♥t❡rs❡❝t✐♦♥ ♦❢ ❛❧❧ ❝♦♥✈❡① s❡ts ❝♦♥t❛✐♥✐♥❣ κ✳ ■❢ κ ❝♦♥s✐sts ♦❢ ❛ ✜♥✐t❡ ♥✉♠❜❡r ♦❢ ❡❧❡♠❡♥ts✱ t❤❡♥ t❤❡s❡ ❡❧❡♠❡♥ts ❛r❡ r❡❢❡rr❡❞ t♦ ❛s t❤❡ ✈❡rt✐❝❡s ♦❢ convκ✳ ■t ✐s ❡❛s✐❧② s❡❡♥ t❤❛t t❤❡ ❝♦♥✈❡① ❤✉❧❧ ♦❢ ❛ ✜♥✐t❡ s❡t ✐s ❛ ♣♦❧②t♦♣❡✳ ❚❤❡ ❝♦♥✈❡rs❡ ✐s ❛❧s♦ tr✉❡✿ ❛♥② ♣♦❧②t♦♣❡ ✐s t❤❡ ❝♦♥✈❡① ❤✉❧❧ ♦❢ ❛ ✜♥✐t❡ s❡t✳ • ❈♦♥✈❡① ❢✉♥❝t✐♦♥✿ ❆ ❢✉♥❝t✐♦♥ f : X → R ✐s ❝♦♥✈❡① ✐❢ X 6= φ ❛♥❞ f (αx1+ (1 − α)x2) ≤ αf (x1) + (1 − α)f (x2), ∀x1, x2∈ X , ∀α ∈ [0, 1]. ✭✶✳✶✮ f ✐s str✐❝t❧② ❝♦♥✈❡① ✐❢ t❤❡ ♣r❡✈✐♦✉s ✐♥❡q✉❛❧✐t② ✐s str✐❝t ∀x16= x2✳ • ❛✣♥❡ ❢✉♥❝t✐♦♥✿ ❆ ❢✉♥❝t✐♦♥ f : X → R ✐s ❛✣♥❡ ✐❢ f (αx1+ (1 − α)x2) = αf (x1) + (1 − α)f (x2), ∀x1, x2 ∈ X , ∀α ∈ R. ✭✶✳✷✮ ❖♥❡ ❝❛♥ ♥♦t✐❝❡ t❤❛t ❛❧❧ ❛✣♥❡ ❢✉♥❝t✐♦♥s ❛r❡ ❝♦♥✈❡① ❜② ❞❡✜♥✐t✐♦♥✳ ❚❤✐s ❝❧❛ss ♦❢ ❢✉♥❝t✐♦♥s ✐s ✇✐❞❡❧② ✉s❡❞ ✐♥ ▲▼■ ❢♦r♠✉❧❛t✐♦♥s✳

✶✳✷ ▲✐♥❡❛r ▼❛tr✐① ■♥❡q✉❛❧✐t② ✭▲▼■✮

❙♦♠❡ ✐ss✉❡s r❡❧❛t❡❞ t♦ ▲▼■s ❛r❡ ❧✐st❡❞ ❤❡r❡ ❜❡❧♦✇✱ ❢♦r ❢✉rt❤❡r ✐♥❢♦r♠❛t✐♦♥ ❛❜♦✉t ▲▼■s ❛♥❞ t❤❡✐r ❛♣♣❧✐❝❛t✐♦♥s ✐♥ ❝♦♥tr♦❧ s②st❡♠ ♣❧❡❛s❡ r❡❢❡r t♦ ❬✶✸❪✳

(24)

✶✳✷✳ ▲✐♥❡❛r ▼❛tr✐① ■♥❡q✉❛❧✐t② ✭▲▼■✮ ✼ ✶✳✷✳✶ ▲▼■ ❞❡✜♥✐t✐♦♥ ❚❤❡ ▲▼■ ✐s ❛♥ ❡✣❝✐❡♥t t♦♦❧ ❢♦r ♠❛♥② ❝♦♥✈❡① ♦♣t✐♠✐③❛t✐♦♥ ♣r♦❜❧❡♠s ✐♥ t❤❡ ✜❡❧❞ ♦❢ ❛✉t♦♠❛t✐❝ ❝♦♥tr♦❧✳ ❆♥ ▲▼■ ✐s ❛♥ ❡①♣r❡ss✐♦♥ ♦❢ t❤❡ ❢♦r♠ ❬✾❪✿ F (x) := F0+ x1F1· · · + xnFn< 0. ✭✶✳✸✮ ✇❤❡r❡ x = (x1, . . . xn) ✐s ❛ ✈❡❝t♦r ♦❢ n r❡❛❧ ♥✉♠❜❡rs✱ {Fi : 0 ≤ i ≤ n} ✐s ❛ r❡❛❧ s②♠♠❡tr✐❝ ♠❛tr✐① FT i = Fi✳ ❚❤✐s ✐s ❡q✉✐✈❛❧❡♥t t♦ uTF (x)u < 0 ❢♦r ❛❧❧ r❡❛❧ ✈❡❝t♦r u ❞✐✛❡r❡♥t ❢r♦♠ ③❡r♦✳ ✶✳✷✳✷ ▲▼■ & s✉❜▲▼■ ❆ ✜♥✐t❡ s❡t ♦❢ ▲▼■s✿ F1(x) < 0, . . . , Fn(x) < 0. ✭✶✳✹✮ ✐s ❡q✉✐✈❛❧❡♥t t♦ t❤❡ t❤❡ ❢♦❧❧♦✇✐♥❣ ▲▼■✿ F (x) :=      F1(x) 0 . . . 0 0 F2(x) . . . 0 ✳✳✳ ✳✳✳ ✳✳✳ 0 0 . . . Fn(x)      < 0. ✭✶✳✺✮ F (x)✐♥ ❧❛st ❡q✉❛t✐♦♥ ✐s s②♠♠❡tr✐❝✳ ❚❤❡ s✉❜▲▼■s ❞❡✜♥❡❞ ✐♥ ✭✶✳✹✮ ❝❛♥ ❜❡ ❣r♦✉♣❡❞ ✐♥ ♦♥❡ ▲▼■ ❛s ✐♥ ✭✶✳✺✮✱ ✇❤❡r❡ ❜♦t❤ ❢♦r♠✉❧❛t✐♦♥s ❛r❡ ❡q✉✐✈❛❧❡♥t t❛❦✐♥❣ ✐♥t♦ ❝♦♥s✐❞❡r❛t✐♦♥ t❤❡ ❢❛❝t t❤❛t t❤❡ ❡✐❣❡♥✈❛❧✉❡s ♦❢ F (x) ❛r❡ t❤❡ ✉♥✐♦♥ ♦❢ ❡✐❣❡♥✈❛❧✉❡s ♦❢ t❤❡ s❡t {Fi(x) : 1 ≤ i ≤ n}✳ ✶✳✷✳✸ ▲▼■ ❛❞✈❛♥t❛❣❡s ❚✇♦ ♠❛❥♦r ♣r♦❜❧❡♠s ❝❛♥ ❜❡ ❡①♣r❡ss❡❞ ❜② ✉s✐♥❣ ▲▼■✿ • ❋❡❛s✐❜✐❧✐t② ♣r♦❜❧❡♠✿ t❤❡ ❡①✐st❡♥❝❡ ♦❢ ❛♥ ❡❧❡♠❡♥t x t❤❛t s❛t✐s✜❡s F (x) < 0 ♠❛❦❡s t❤❡ ▲▼■ ❢❡❛s✐❜❧❡✱ ♦t❤❡r✇✐s❡ t❤❡ ▲▼■ ✐s s❛✐❞ t♦ ❜❡ ✐♥❢❡❛s✐❜❧❡✳ ❆ ✈❡r② ✐♠♣♦rt❛♥t ❡①❛♠♣❧❡ ♦❢ s✉❝❤ ♣r♦❜❧❡♠ ✐s r❡❧❛t❡❞ t♦ ▲②❛♣✉♥♦✈ st❛❜✐❧✐t②✳ ❆❝❝♦r❞✐♥❣ t♦ ▲②❛♣✉♥♦✈✱ t❤❡ ❧✐♥❡❛r s②st❡♠ ˙x = A · x, x(t0) = x0, x ∈ Rn, A ∈ Rn×n. ✭✶✳✻✮ ✐s st❛❜❧❡ ✐❢ t❤❡r❡ ❡①✐sts ❛ s②♠♠❡tr✐❝ ♠❛tr✐① P > 0✿ ATP + P A < 0 ❚❤✐s ✐s ❡q✉✐✈❛❧❡♥t t♦ t❤❡ ❢❡❛s✐❜✐❧✐t② ♦❢ t❤❡ ❢♦❧❧♦✇✐♥❣ ▲▼■✿ −P 0 0 ATP + P A  < 0. ✭✶✳✼✮

(25)

✽ ❈❤❛♣t❡r ✶✳ ❇❛❝❦❣r♦✉♥❞ ♦♥ ❝♦♥tr♦❧ t❤❡♦r② ❛♥❞ ♦♣t✐♠✐③❛t✐♦♥ • ❖♣t✐♠✐③❛t✐♦♥ ♣r♦❜❧❡♠✿ ❧❡t ✉s ❞❡✜♥❡ t❤❡ s❡t X = {x|F (x) < 0}✱ ❛♥❞ t❤❡ ♦❜❥❡❝t✐✈❡ ❢✉♥❝✲ t✐♦♥ f : X → R✳ ❚❤❡ ♣r♦❜❧❡♠ t♦ ❞❡t❡r♠✐♥❡ x t❤❛t s❛t✐s✜❡s Vopt = inf x∈X f (x) ✭✶✳✽✮ ✐s ❝❛❧❧❡❞ ❛♥ ♦♣t✐♠✐③❛t✐♦♥ ♣r♦❜❧❡♠ ✇✐t❤ ❛♥ ▲▼■ ❝♦♥str❛✐♥t✳ ❆ ❣♦♦❞ ❡①❛♠♣❧❡ ♦❢ s✉❝❤ ♣r♦❜❧❡♠ ✐s t❤❡ H∞ ♦♣t✐♠✐③❛t✐♦♥ ✉♥❞❡r ▲▼■ ❢♦r♠✉❧❛t✐♦♥ ❛s ✐t ✇✐❧❧ ❜❡ ❡①♣❧❛✐♥❡❞ ❧❛t❡r✳ ✶✳✷✳✹ ❙♦♠❡ ✉s❡❢✉❧ t♦♦❧s r❡❧❛t❡❞ t♦ ▲▼■ ❢♦r♠✉❧❛t✐♦♥ ❚❤❡ ❢♦❧❧♦✇✐♥❣ ♠❡t❤♦❞s ❛r❡ ✉s❡❢✉❧ t♦ ❝♦♥✈❡rt ❛ ♥♦♥❧✐♥❡❛r ♦♣t✐♠✐③❛t✐♦♥ ♣r♦❜❧❡♠ ✭❢♦r st❛❜✐❧✐t② ♦r ❝♦♥tr♦❧❧❡r ❞❡s✐❣♥✮ ✐♥t♦ ❛ ❝♦♥✈❡① ❧✐♥❡❛r ♦♥❡✳ • ❙❝❤✉r✬s ❧❡♠♠❛✿ t❤❡ ▲▼■  Q(x) S(x) S(x)T R(x)  < 0 ✭✶✳✾✮ ✐s ❡q✉✐✈❛❧❡♥t t♦  Q(x) < 0 R(x) − S(x)TQ(x)−1S(x) < 0, ✭✶✳✶✵✮ ❛♥❞ t♦  R(x) < 0 Q(x) − S(x)TR(x)−1S(x) < 0. ✭✶✳✶✶✮ ❚❤❡ s❡❝♦♥❞ ❛♥❞ t❤✐r❞ ✐♥❡q✉❛❧✐t✐❡s ✭✶✳✶✵✮ ❛♥❞ ✭✶✳✶✶✮ ❛r❡ ♥♦♥✲❧✐♥❡❛r ❝♦♥str❛✐♥ts ✐♥ x✱ ✇❤✐❧❡ t❤❡ ✜rst ▲▼■ ✭✶✳✾✮ ✐s ❧✐♥❡❛r✳ ❚❤✉s✱ ✐t ✐s ♣♦ss✐❜❧❡ t♦ r❡❢♦r♠✉❧❛t❡ ❡✐t❤❡r ♦❢ t❤❡ ♥♦♥✲❧✐♥❡❛r ♠❛tr✐① ✐♥❡q✉❛❧✐t✐❡s ✭◆▲▼■s✮ ✭✶✳✶✵✮ ♦r ✭✶✳✶✶✮ ✐♥t♦ ❛ ❧✐♥❡❛r ♦♥❡ ✐♥ t❤❡ ❢♦r♠ ✭✶✳✾✮✳ ❇❡s✐❞❡s✱ ◆▲▼■s ♦❢ t❤❡ ❢♦r♠ ✭✶✳✶✵✮ ❛♥❞ ✭✶✳✶✶✮ ❞❡✜♥❡ ❝♦♥✈❡① ❝♦♥str❛✐♥ts ♦♥ t❤❡ ✈❛r✐❛❜❧❡ x ✐♥ t❤❡ s❡♥s❡ t❤❛t t❤❡ s♦❧✉t✐♦♥ s❡t ♦❢ t❤❡s❡ ✐♥❡q✉❛❧✐t✐❡s ✐s ❝♦♥✈❡①✳ • Pr♦❥❡❝t✐♦♥ ❧❡♠♠❛✿ ❢♦r ❛r❜✐tr❛r② ♠❛tr✐❝❡s A, B ❛♥❞ s②♠♠❡tr✐❝ P ✱ t❤❡ ❢♦❧❧♦✇✐♥❣ ▲▼■ ATXB + BTXTA + P < 0 ❤❛s ❛ s♦❧✉t✐♦♥ ✐❢ ❛♥❞ ♦♥❧② ✐❢ Ax = 0 or Bx = 0 ⇒ xTP x < 0 or x = 0. ✇❤✐❝❤ ✐s ❡q✉✐✈❛❧❡♥t t♦ ATP A⊥< 0 and B⊥TP B⊥ < 0. ✇❤❡r❡ A⊥ ❛♥❞ B⊥ ❛r❡ ❛r❜✐tr❛r② ♠❛tr✐❝❡s ✇❤♦s❡ ❝♦❧✉♠♥s ❢♦r♠ ❛ ❜❛s✐s ♦❢ ker(A) ❛♥❞ ker(B) r❡s♣❡❝t✐✈❡❧②✳ ❆s ✐t ✐s ♠❡♥t✐♦♥❡❞ ❜❡❢♦r❡✱ t❤❡ ✐ss✉❡s r❡❧❛t❡❞ t♦ ▲▼■s ❛r❡ q✉✐t❡ ❝♦♠♠♦♥✳ ❋♦r ❢✉rt❤❡r ✐♥❢♦r♠❛t✐♦♥ ❛ ❞❡t❛✐❧❡❞ s✉r✈❡② ♦♥ ▲▼■ t❤❡♦r② ❝❛♥ ❜❡ ❢♦✉♥❞ ✐♥ ❬✾✱ ✶✵❪✳

(26)

✶✳✸✳ ❙✐❣♥❛❧ ❛♥❞ s②st❡♠ ♥♦r♠s ✾

✶✳✸ ❙✐❣♥❛❧ ❛♥❞ s②st❡♠ ♥♦r♠s

✶✳✸✳✶ ▲❚■ s②st❡♠ ❞❡✜♥✐t✐♦♥ ▲✐♥❡❛r t✐♠❡ ✐♥✈❛r✐❛♥t ✭▲❚■✮ s②st❡♠ ✐s r❡♣r❡s❡♥t❡❞ ❣❡♥❡r❛❧❧② ❜② t❤❡ ❢♦❧❧♦✇✐♥❣ ❞②♥❛♠✐❝ ❞✐✛❡r✲ ❡♥t✐❛❧ ❡q✉❛t✐♦♥ ✭st❛t❡ s♣❛❝❡ r❡♣r❡s❡♥t❛t✐♦♥✮✿ X LT I :  ˙x = Ax(t) + Bω(t) z = Cx(t) + Dω(t) , ✭✶✳✶✷✮ ✇❤❡r❡ x(t) ∈ Rn ✐s t❤❡ st❛t❡ ✈❡❝t♦r✱ ω(t) ∈ Rr ✐s t❤❡ ✐♥♣✉t ✈❡❝t♦r✱ z(t) ∈ Rq ✐s t❤❡ ♦✉t♣✉t ✈❡❝t♦r✳ A ∈ Rn×n✱ B ∈ Rn×r✱ C ∈ Rq×n ❛♥❞ D ∈ Rq×r ❛r❡ t❤❡ s②st❡♠ ♠❛tr✐❝❡s✳ ✶✳✸✳✷ ❱❡❝t♦r ♥♦r♠s ●✐✈❡♥ ❛ ✈❡❝t♦r s♣❛❝❡ X ♦❢ n ❞✐♠❡♥s✐♦♥s✱ t❤❡ ♣✲♥♦r♠ ♦❢ ✈❡❝t♦r x ∈ X ✐s ❞❡✜♥❡❞ ❛s✿ kxkp = n X i=1 |xi|p !1p , ∀p ∈ [1, +∞]. ✭✶✳✶✸✮ ■♥ ♣❛rt✐❝✉❧❛r ❝❛s❡ ♦❢ p ∈ {1, 2, ∞}✱ t❤❡ ❢♦❧❧♦✇✐♥❣ ✇❡❧❧ ❦♥♦✇♥ ✈❡❝t♦r ♥♦r♠s ❝❛♥ ❜❡ ❞❡✜♥❡❞✿ p = 1 → kxk1 = n X i=1 |xi| p = 2 → kxk2= n X i=1 |xi|2 !12 p = ∞ → kxk= max 1≤i≤n|xi| ✶✳✸✳✸ ❙✐❣♥❛❧ ♥♦r♠s ❆ss✉♠✐♥❣ x(t) ✐s ❛ ❢✉♥❝t✐♦♥ ✐♥ t❤❡ ❝♦♠♣❧❡① s♣❛❝❡ ✇❤❡r❡ x(t) ∈ C✱ t❤❡ s✐❣♥❛❧ ♥♦r♠s ❛r❡ ❞❡✜♥❡❞ ❛s ❢♦❧❧♦✇s✿ • ❚❤❡ ✶✲♥♦r♠ ♦❢ x(t) ✐s✿ kx(t)k1= +∞ Z 0 |x(t)| dt

(27)

✶✵ ❈❤❛♣t❡r ✶✳ ❇❛❝❦❣r♦✉♥❞ ♦♥ ❝♦♥tr♦❧ t❤❡♦r② ❛♥❞ ♦♣t✐♠✐③❛t✐♦♥ • ❚❤❡ ✷✲♥♦r♠ ♦❢ x(t) ✐s✿ kx(t)k2 = v u u u t +∞ Z 0 x∗(t)x(t) dt ✇❤❡r❡ x∗(t) ✐s t❤❡ ❝♦♥❥✉❣❛t❡ ♦❢ t❤❡ s✐❣♥❛❧ x(t)✳ ❚❤✐s ✐s ❛♥ ✐♠♣♦rt❛♥t ♥♦r♠ s✐♥❝❡ ✐t ✐♥❞✐❝❛t❡s t❤❡ s✐❣♥❛❧ ♣♦✇❡r✳ • ❚❤❡ ∞✲♥♦r♠ ♦❢ x(t) ✐s✿ kx(t)k= sup t |x(t)| ❡q✉✐✈❛❧❡♥t❧② ✐♥ ▲❛♣❧❛❝❡ s♣❛❝❡✱ kXk= sup Re(s)>0 kX(s)k = sup ω kX(jω)k ✶✳✸✳✹ H∞/H2 s②st❡♠ ♥♦r♠s • H2 ♥♦r♠✿ t❤❡ H2♥♦r♠ ♦❢ ❛ str✐❝t❧② ♣r♦♣❡r ▲❚■ s②st❡♠ ✭✶✳✶✷✮ ✭✇✐t❤ ♠❛tr✐① D = 0✮ ❢r♦♠ ✐♥♣✉t ω(t) t♦ ♦✉t♣✉t z(t) ✐s t❤❡ ❡♥❡r❣② ♦❢ t❤❡ ✐♠♣✉❧s❡ ✐♥♣✉t ✭g(t) = z(t) ω(t) : ω(t) = δ(t) ✇❤❡r❡ δ(t) ✐s t❤❡ ❉✐r❛❝ s✐❣♥❛❧✮ ❞❡✜♥❡❞ ❛s✿ kG(ωj)k2= v u u u t +∞ Z −∞ g∗(t)g(t)dt = v u u u t 1 2π +∞ Z −∞ T r[G∗(jω)G(jω)]dω ✭✶✳✶✹✮ ❚❤❡ H2 ✐s ✜♥✐t❡ ✐❢ ❛♥❞ ♦♥❧② ✐❢ t❤❡ s②st❡♠ ✐s str✐❝t❧② ♣r♦♣❡r ❛♥❞ st❛❜❧❡✱ ✐✳❡✳✱ G(s) ∈ RH2✳ ✕ ❚❤✐s ♥♦r♠ ❢♦r ❙■❙❖ s②st❡♠s r❡♣r❡s❡♥ts t❤❡ ❛r❡❛ ❧♦❝❛t❡❞ ❜❡❧♦✇ t❤❡ ❇♦❞❡ ❞✐❛❣r❛♠✳ ✕ ❋♦r ▼■▼❖ s②st❡♠s✱ t❤✐s ♥♦r♠ ❝♦rr❡s♣♦♥❞s t♦ ✐♠♣✉❧s❡✲t♦✲❡♥❡r❣② ❣❛✐♥ ♦❢ t❤❡ ♦✉t♣✉t z(t)✳ ✕ ❚❤❡ H2 ♥♦r♠ ❝❛♥ ❜❡ ❝♦♠♣✉t❡❞ ❡✐t❤❡r ❛♥❛❧②t✐❝❛❧❧② ✭✐♥ t❤❡ ❝❛s❡ ♦❢ ❝♦♥tr♦❧❧❛❜✐❧✐t② ❛♥❞ ♦❜s❡r✈❛❜✐❧✐t② ❣r❛♠♠✐❛♥s✮✱ ♦r ♥✉♠❡r✐❝❛❧❧② ✉s✐♥❣ ▲▼■s✳ • H∞ ♥♦r♠✿ t❤❡ H∞ ♥♦r♠ ♦❢ ❛ ♣r♦♣❡r ▲❚■ s②st❡♠ ✭✶✳✶✷✮ ❢r♦♠ ✐♥♣✉t ω(t) t♦ ♦✉t♣✉t z(t)✱ ✐s t❤❡ ❡♥❡r❣②✲t♦✲❡♥❡r❣② ❣❛✐♥ ✇❤✐❝❤ ✐s ❞❡✜♥❡❞ ❛s✿ kG(ωj)k= sup ω∈R ¯ σ(G(jω)) = sup ω(t)6=0 kzk2 kωk2 ✭✶✳✶✺✮ ✇❤❡r❡ ¯σ ✐s t❤❡ ♠❛①✐♠✉♠ s✐♥❣✉❧❛r ✈❛❧✉❡ ♦❢ t❤❡ ♠❛tr✐① G(jω)✳ ✕ ❚❤❡ H∞ ❢♦r ❙■❙❖ ✭r❡s♣ ▼■▼❖✮ s②st❡♠s ✐s t❤❡ ♠❛①✐♠✉♠ ♣❡❛❦ ♦❢ t❤❡ ❇♦❞❡ ♣❧♦t ✭r❡s♣ ♦❢ t❤❡ s✐♥❣✉❧❛r ✈❛❧✉❡ ♣❧♦t ✈❡rs✉s t❤❡ ❢r❡q✉❡♥❝② r❛♥❣❡✮✱ ✇❤✐❝❤ r❡♣r❡s❡♥ts t❤❡ ❧❛r❣❡st ❣❛✐♥ ♦r ❛♠♣❧✐✜❝❛t✐♦♥ ♦❢ t❤❡ ✐♥♣✉t s✐❣♥❛❧✳ ✕ ❉✐✛❡r❡♥t ❢r♦♠ H2✱ H∞✐s ♦❜t❛✐♥❡❞ ♦♥❧② t❤r♦✉❣❤ ♥✉♠❡r✐❝❛❧ s♦❧✉t✐♦♥ ✭▲▼■ r❡s♦❧✉t✐♦♥ ❢♦r ❡①❛♠♣❧❡✮✳

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✶✳✹✳ LP V/H∞ ❝♦♥tr♦❧ ✶✶

✶✳✹ LP V/H

❝♦♥tr♦❧

▲✐♥❡❛r P❛r❛♠❡t❡r ❱❛r②✐♥❣ ✭▲P❱✮ ✐s ❛ ♣♦✇❡r❢✉❧ t♦♦❧ ✉s❡❞ ✐♥ ♠♦❞❡❧✐♥❣ ❛♥❞ ❝♦♥tr♦❧ ♦❢ ❛ ❧❛r❣❡ ❝❧❛ss ♦❢ s②st❡♠s✳ ❱❡♥♥ ❞✐❛❣r❛♠ ❛♣♣❡❛r✐♥❣ ✐♥ ❋✐❣✳✶✳✶ ❬✶✹❪ s❤♦✇s t❤❡ ✐♠♣♦rt❛♥❝❡ ♦❢ ▲P❱ s②st❡♠s ❛s ❛ ❜r✐❞❣❡ ❜❡t✇❡❡♥ t❤❡ ♥♦♥✲❧✐♥❡❛r ❛♥❞ ✇❡❧❧ ❦♥♦✇♥ ▲❚■ s②st❡♠s✳ ❚❤❡ t❤❡♦r② ♦❢ ▲P❱ s②st❡♠s ♦✛❡rs ❣r❡❛t ❛❞✈❛♥t❛❣❡s ✐♥ t❡r♠ ♦❢ r♦❜✉st st❛❜✐❧✐t② ❛♥❞ ♣❡r❢♦r♠❛♥❝❡ ❝♦♠♣❛r❡❞ t♦ ❝❧❛ss✐❝❛❧ ❣❛✐♥✲ s❝❤❡❞✉❧❡❞ ❝♦♥tr♦❧ ✭✐♥t❡r♣♦❧❛t✐♦♥ ♦❢ ▲❚■ ❝♦♥tr♦❧❧❡rs✮✳ ▲P❱ s②st❡♠s ❛r❡ ♠♦r❡ r❡♣r❡s❡♥t❛t✐✈❡ ❢♦r r❡❛❧ s②st❡♠s t❛❦✐♥❣ ✐♥t♦ ❝♦♥s✐❞❡r❛t✐♦♥ ♠♦r❡ ❞②♥❛♠✐❝s ❛♥❞ ♠♦r❡ ✐♥❢♦r♠❛t✐♦♥ ♦♥ s❝❤❡❞✉❧✐♥❣ ♣❛r❛♠❡t❡rs ✭✐✳❡✳ t❤❡ ♣❛r❛♠❡t❡rs ❜♦✉♥❞s ❛♥❞ r❛t❡ ❜♦✉♥❞s ✐❢ ❡①✐st✮ ❬✶✺❪✳ ❇❡s✐❞❡s✱ ▲P❱ ❝♦♥tr♦❧❧❡r s②♥t❤❡s✐s r❡s✉❧ts ❛r❡ ❛✉t♦♠❛t✐❝❛❧❧② ❣❛✐♥✲s❝❤❡❞✉❧❡❞ ✇✐t❤♦✉t ❛♥② ♥❡❡❞ ❢♦r ❡①tr❛ ♠❡t❤♦❞s ❛s ✐♥ ❝❧❛ss✐❝❛❧ ♠❡t❤♦❞♦❧♦❣② ❬✶✻❪✳ ✶✳✹✳✶ ▲P❱ s②st❡♠ ❆♥ ▲P❱ s②st❡♠ ❝❛♥ ❜❡ ❢♦r♠✉❧❛t❡❞ ❜② t❤❡ ❢♦❧❧♦✇✐♥❣ st❛t❡✲s♣❛❝❡ r❡♣r❡s❡♥t❛t✐♦♥✿ X LP V :  ˙x(t) = A(ρ)x(t) + B(ρ)ω(t) z(t) = C(ρ)x(t) + D(ρ)ω(t) , ✭✶✳✶✻✮ ✇❤❡r❡ ❛t ❧❡❛st ♦♥❡ ♦❢ t❤❡ ♠❛tr✐❝❡s A(ρ)✱ B(ρ)✱ C(ρ)✱ ♦r D(ρ) ❞❡♣❡♥❞s ♦♥ t❤❡ ♣❛r❛♠❡t❡r ✈❡❝t♦r ρ = [ρ1, . . . , ρN]T ∈ RN✳ ❙②st❡♠s ✐♥ ✶✳✶✻ ❛r❡ t❤❡♥ ❝❧❛ss✐✜❡❞ ✐♥t♦ ❢♦✉r ❞✐✛❡r❡♥t t②♣❡s ❬✶✵❪✿ • ✐❢ ρ(.) = ρ = ct ✐s ❛ ❝♦♥st❛♥t ✈❛❧✉❡✱ t❤❡♥ t❤❡ s②st❡♠ ✶✳✶✻ ✐s ❛ ▲✐♥❡❛r ❚✐♠❡ ■♥✈❛r✐❛♥t ✭▲❚■✮ s②st❡♠❀ • ✐❢ ρ(.) = ρ(t)✱ ✇❤❡r❡ t❤❡ t✐♠❡ ❞❡♣❡♥❞❡❞ ✐s ❡①♣❧✐❝✐t✱ t❤❡♥ t❤❡ s②st❡♠ ✶✳✶✻ ✐s ❛ ▲✐♥❡❛r ❚✐♠❡ ❱❛r✐❛♥t ✭▲❚❱✮ s②st❡♠❀ • ✐❢ ρ(.) = θ(t) ✇✐t❤ θ(t) ❜❡✐♥❣ ❛♥ ❡①t❡r♥❛❧ ♣❛r❛♠❡t❡r✱ t❤❡♥ t❤❡ s②st❡♠ ✶✳✶✻ ✐s ❛♥ ▲P❱ s②st❡♠❀ • ✐❢ ρ(.) = ρ(x(t)) ❞❡♣❡♥❞s ♦♥ t❤❡ st❛t❡ ✈❡❝t♦r✱ t❤❡♥ t❤❡ s②st❡♠ ✶✳✶✻ ✐s ❛ q✉❛s✐✲▲✐♥❡❛r P❛r❛♠❡t❡r ❱❛r②✐♥❣ ✭q▲P❱✮ s②st❡♠✳ ❆♥ ✐♠♣♦rt❛♥t r❡♠❛r❦✿ ■♥ ❝♦♥tr♦❧ ❞❡s✐❣♥ t❤❡ ♣❛r❛♠❡t❡r ✈❡❝t♦r (ρ(t) ∈ RN) ✐s ❛ss✉♠❡❞ t♦ ❜❡ ♠❡❛s✉r❡❞ ✭♦r ❡st✐✲ ♠❛t❡❞✮ ❛♥❞ ❜♦✉♥❞❡❞ ✭ρ ∈ P✮ ❢♦r ❛❧❧ t✐♠❡ ✐♥st❛♥❝❡s✳ ρ(t) ✐s ❞❡♥♦t❡❞ ❛s ρ ✐♥ t❤❡ s❡q✉❡❧ ❢♦r s❛❦❡ ♦❢ s✐♠♣❧✐❝✐t②✳ ■♥❞❡❡❞✱ s②st❡♠ ✐♥ ✶✳✶✻ ❝❛♥ ❛❧s♦ ❜❡ r❡♣r❡s❡♥t❡❞ ❜②✿ S(ρ) =A(ρ) B(ρ) C(ρ) D(ρ)  ✭✶✳✶✼✮ ❇❛s❡❞ ♦♥ t❤❡ ❞❡♣❡♥❞❡♥❝❡ ♦❢ t❤❡ s②st❡♠ ♠❛tr✐❝❡s ♦♥ t❤❡ s❝❤❡❞✉❧✐♥❣ ♣❛r❛♠❡t❡rs✱ ✇❡ ❝♦♥s✐❞❡r ✐♥ t❤❡ s❡q✉❡❧ t✇♦ t②♣❡s ♦❢ ▲P❱ s②st❡♠s✿ ❛✣♥❡ ❛♥❞ ♣♦❧②t♦♣✐❝ s②st❡♠s✳

(29)

✶✷ ❈❤❛♣t❡r ✶✳ ❇❛❝❦❣r♦✉♥❞ ♦♥ ❝♦♥tr♦❧ t❤❡♦r② ❛♥❞ ♦♣t✐♠✐③❛t✐♦♥ • ❆✣♥❡ s②st❡♠s✿ ■♥ t❤✐s ❝❛s❡✱ ❛❧❧ ♠❛tr✐❝❡s A✱ B✱ C✱ ❛♥❞ D ❛r❡ ❛✣♥❡ r❡❣❛r❞✐♥❣ t❤❡ ♣❛r❛♠❡t❡r ✈❡❝t♦r ρ✿ A(ρ) = A0+PNi=1ρiAi B(ρ) = B0+PNi=1ρiBi C(ρ) = C0+PNi=1ρiCi D(ρ) = D0+PNi=1ρiDi , ✭✶✳✶✽✮ ✇❤❡r❡ ρi ✐s t❤❡ ith ❡❧❡♠❡♥t ♦❢ ρ✳ Ai✱ Bi✱ Ci✱ Di ❛r❡ ❝♦♥st❛♥ts ♠❛tr✐❝❡s ∀ 0 ≤ i ≤ N✳ • P♦❧②t♦♣✐❝ s②st❡♠s✿ t❤✐s ✐s ❛ s♣❡❝✐❛❧ ❝❛s❡ ♦❢ ❛✣♥❡ s②st❡♠s ✇❤❡r❡ t❤❡ ♠❛tr✐❝❡s ❛r❡ r❡♣r❡s❡♥t❡❞ ❜②✿ A(ρ) =PN i=1ρiAi B(ρ) =PN i=1ρiBi C(ρ) =PN i=1ρiCi D(ρ) =PN i=1ρiDi ✭✶✳✶✾✮ ✇✐t❤ PN i=1ρi = 1 ❛♥❞ ρi≥ 0✳ ❚❤❡ ♣♦❧②t♦♣✐❝ s②st❡♠s ❛r❡ ♦❢ ❛ ❣r❡❛t ✐♥t❡r❡st ✐♥ ❝♦♥tr♦❧❧❡r ❞❡s✐❣♥ ❛♥❞ ✐♠♣❧❡♠❡♥t❛t✐♦♥✳ ❆s✱ ✐♥ t❤✐s ❝❛s❡✱ t❤❡ ▲P❱ s②st❡♠ ✐s ❛ ❝♦♥✈❡① ❤✉❧❧ ♦❢ ❛ ✜♥✐t❡ ♥✉♠❜❡r ♦❢ ▲❚■ s②st❡♠s✱ ✐t ❛❧❧♦✇s t♦ s♦❧✈❡ ❛ ✜♥✐t❡ ♥✉♠❜❡r ♦❢ ▲▼■ ♣r♦❜❧❡♠s ✭❬✶✼✱ ✶✽✱ ✶✾❪✮ t♦ ✜♥❞ ❛ ❣❧♦❜❛❧ ▲P❱ ❝♦♥tr♦❧❧❡r ✭✇❤✐❝❤ ✐s ❛❧s♦ ❛ ❝♦♥✈❡① ❤✉❧❧ ♦❢ ❛ ✜♥✐t❡ ♥✉♠❜❡r ♦❢ ❧♦❝❛❧ ▲❚■ ❝♦♥tr♦❧❧❡rs✮✳ ❋✐❣✉r❡ ✶✳✶✿ ❘❡❧❛t✐♦♥ ❜❡t✇❡❡♥ t❤❡ ❞✐✛❡r❡♥t ❝❧❛ss❡s ♦❢ s②st❡♠s✳ ❘❡♠❛r❦✿ ◆♦t❡ t❤❛t t❤❡r❡ ❡①✐st ♦t❤❡r r❡♣r❡s❡♥t❛t✐♦♥s ♦❢ ▲P❱ s②st❡♠s ❛s ♣♦❧②♥♦♠✐❛❧ s②st❡♠s ✭❬✷✵❪✮ ❛♥❞ ▲❋❚ r❡♣r❡s❡♥t❛t✐♦♥ ✭❬✷✶❪✮✳

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