音響振動エネルギー制御工学特論2026
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開始行:
[[授業]]
[[latest lecture>#x17b6ab1]]
*第1回(2026.4.14) [#dafbd3bb]
- シラバス：&ref(シラバス詳細.pdf);
- 本科目の目的：以下の研究について、文献を調査・議論する...
-- (i)音響境界条件の能動制御（電力消費を許す）の研究（特...
--- [[Bothien et al. 2008:Active control of the acoustic ...
//--- [[Li et al. 2004:Dual-driver standing wave tube: ac...
-- (ii)発振を維持・促進させる受動制御（電力消費を許さない...
--- [[Desjouy et al. 2010:Active control of thermoacousti...
- 第1回の目的：2センサ法（2箇所の圧力計測で流速が分かる）...
-- 具体的には、[[篠田他2018>https://www.jstage.jst.go.jp/...
-- 参考資料：&ref(3年学生実験2018/B2.pdf); の 3.1節、3.2...
--- 複素振幅による調和振動の表現 ... 3.1節、式(2)
--- 圧力と粒子（体積）速度に関する基本の式 ... 付録A、式(...
#ref(2026.04.14-1.jpg,left,noimg,板書1)
#ref(2026.04.14-2.jpg,left,noimg,板書2)
#ref(2026.04.14-3.jpg,left,noimg,板書3)
*第2回(2026.4.21) [#r33786bd]
- Objective of this course: To understand current trends ...
-- (i)Research on active control of acoustic boundary con...
--- [[Bothien et al. 2008:Active control of the acoustic ...
//--- [[Li et al. 2004:Dual-driver standing wave tube: ac...
--- ...
--- ...
-- (ii)Research on passive control (without allowing powe...
--- [[Desjouy et al. 2010:Active control of thermoacousti...
--- ...
--- ...
- Objective of [Bothien et al. 2008]
-- thermoacoustic instability
-- simulated tube section (to simulate acoustic boundary ...
-- two microphone method ... Eq.(16)
- two microphone method (cont.)
-- frequency response of time delay
-- steady-state response
-- traveling-wave sound field when ~B_2 = 0
-- relation between the wave equation and ~p(x)
#ref(2026.04.21-1.jpg,left,noimg,板書1)
#ref(2026.04.21-2.jpg,left,noimg,板書2)
*第3回(2026.4.28) [#tc47f3cb]
- controller design? of [Bothien et al. 2008]
-- first calculate the ideal frequency response, then app...
-- no consideration of closed-loop stability (manual tuni...
- review of classical and modern control theory in lec.#1...
-- transfer functions / state-space representation
-- system stability / poles / eigenvalues
-- Bode plot / Nyquist plot ...
#ref(2026.04.28-1.jpg,left,noimg,板書1)
#ref(2026.04.28-2.jpg,left,noimg,板書2)
#ref(2026.04.28-3.jpg,left,noimg,板書3)
#ref(2026.04.28-4.jpg,left,noimg,板書4)
*第4回(2026.5.19) [#j94319fb]
- literature survey for research on active control of aco...
-- (i) active control system design for simulated tube is...
-- (ii) robust stability of closed-loop system against pl...
- example (insufficient)
-- [[Li et al. 2004:Dual-driver standing wave tube: acous...
--- acoustic impedance matching = acoustic boundary control
--- robust (repetitive) control = robust closed-loop stab...
--- BUT tonal excitation ... oscillation frequency is pre...
- review of classical and modern control theory
-- 2nd order system, poles, impulse response, ...
&ref(ex0519_1.m);
&ref(mod0519_1.mdl);
#ref(2026.05.19-1.jpg,left,noimg,板書1)
#ref(2026.05.19-2.jpg,left,noimg,板書2)
*第5回(2026.5.26) [#la2691dd]
- literature survey for research on active control of aco...
-- (i) active control system design for simulated tube is...
--- simulated tube is active acoustical system that simul...
-- (ii) robust stability of closed-loop system against pl...
--- diffinition of H infinity norm ?
#ref(2026.05.26-1.jpg,left,noimg,板書1)
#ref(2026.05.26-2.jpg,left,noimg,板書2)
*第6回(2026.6.2) [#p44a65fb]
- literature survey for research on active control of aco...
-- (i) active control system design for simulated tube is...
--- simulated tube is active acoustical system that simul...
-- (ii) robust stability of closed-loop system against pl...
--- diffinition of H infinity norm ? ... this was not req...
- discussion on selected papers
- example (insufficient)
-- [[Cheng et al. 2018:Acoustic impedance tuning with act...
--- (i) yes: simulated tube is considered
--- (ii) no: parameter tuning is necessary in ADRC
#ref(2026.06.02-1.jpg,left,noimg,板書1)
*第7回(2026.6.9) [#kb56d1d9]
- literature survey for research on active control of aco...
-- (i) active control system design for simulated tube is...
--- simulated tube is active acoustical system that simul...
-- (ii) robust stability of closed-loop system against pl...
- about `simulated tube' for the 1st paper [[Bothien et a...
-- `simulated tube' is only named by Kobayashi (not the a...
-- final goal is to develop full-scale engine with new bu...
-- but the goal of the paper is, in the design stage, to ...
- discussion on selected papers
-- [[Annaswamy et al. 2000:Thermoacoustic instability: mo...
--- active noise control to suppress pressure fluctuation...
--- additive uncertainties ΔP, H infinity control, mixed ...
--- extends the results of [1]
-- [[Zhao et al. 2018:A review of active control approach...
--- [152] is the 1st paper [[Bothien et al. 2008]]: `This...
--- no mention for the `simulated tube' is given ... furt...
#ref(2026.06.09-1.jpg,left,noimg,板書1)
*第8回(2026.6.18) [#da3f3221]
- literature survey for research on active control of aco...
-- cite [[Bothien et al. 2008:Active control of the acous...
- [[Haeringer et al. 2021: A Strategy to Tune Acoustic Te...
-- `mimic' in title
-- Analysis of a part of full engine, 16 single-cans in a...
-- passive duct tuning for acoustic impedance matching: s...
- [[Guo et al.2024: Dynamic behavior modeling and energy ...
-- thermoacoustic-piezoelectric generator ... more relate...
- [[Chen et al.2020: Impact of Sensor Placement on Mode O...
-- mainly focuses on sensor placement
- [[Semlitsch 2023: Boundary conditions to represent the ...
-- `... boundary conditions can alter the thermoacoustic ...
- [[Blonde et al.2025: Tunable passive control of thermoa...
-- passive control because loudspeaker is difficult to us...
- [[Kojourimanesh et al.2021: Thermo-acoustic flame insta...
-- active control
- [[Ganji et al.2024: Discussing the limitations of uncon...
-- stability analysis related to control engineering (Nyq...
#ref(2026.06.18-1.jpg,left,noimg,板書1)
#ref(2026.06.18-2.jpg,left,noimg,板書2)
*第9回(2026.6.23) [#re3a440e]
- e-mailed paper [[Morgans and Yang 2025: Thermoacoustic ...
-- [Bothien et al. 2008] is not cited
-- no active control ... difficult in real situation
-- CAN type combustors
- literature survey for research on active control of aco...
-- cite [[Bothien et al. 2008:Active control of the acous...
- [[Kojourimanesh et al.2021: Thermo-acoustic flame insta...
-- active control
-- derivation of Eq.(3) (homework)
- [[Ganji et al.2024: Discussing the limitations of uncon...
-- stability analysis related to control engineering (Nyq...
#ref(2026.06.23-1.jpg,left,noimg,板書1)
#ref(2026.06.23-2.jpg,left,noimg,板書2)
#ref(2026.06.23-3.jpg,left,noimg,板書3)
*第10回(2026.6.30) [#a26633a6]
- review of control theory related to the last two papers...
-- [[Kojourimanesh et al.2021: Thermo-acoustic flame inst...
-- [[Ganji et al.2024: Discussing the limitations of unco...
--- closed-loop stability and (i)eigenvalues of A-matrix,...
--- &ref(ex0623_1.m); &ref(mod0623_1.mdl);
- Objective of this course: To understand current trends ...
-- (i)Research on active control of acoustic boundary con...
--- [[Bothien et al. 2008:Active control of the acoustic ...
-- (ii)Research on passive control (without allowing powe...
--- [[Desjouy et al. 2010:Active control of thermoacousti...
#ref(2026.06.30-1.jpg,left,noimg,板書1)
#ref(2026.06.30-2.jpg,left,noimg,板書2)
#ref(2026.06.30-3.jpg,left,noimg,板書3)
*第11回(2026.7.7) [#x17b6ab1]
- literature survey for research on active/passive contro...
-- (i) active/passive control is used to maintain and/or ...
-- (ii) thermoacoustic system (engine, cooler, generator,...
- example
-- [[Desjouy et al. 2010:Active control of thermoacoustic...
--- thermoacoustic engine ... but no system output (artif...
--- active control with power consumption of loudspeakers...
#ref(2026.07.07-1.jpg,left,noimg,板書1)
*第12回(2026.7.14) [#ab3f9686]
- literature survey for research on active/passive contro...
-- (i) active/passive control is used to maintain and/or ...
-- (ii) thermoacoustic system (engine, cooler, generator,...
- selected papers
-- [[Chen et al. 2020: Large eddy simulation of thermally...
--- (i)NO: no control
--- (ii)YES: thermoacoustic engine
-- [[Li and Zhu 2022: Self-Powered Active Vibration Contr...
--- (i)NO: active vibration control ... suppression (not ...
--- (ii)NO: no thermoacoustic system is considered
-- [[Chen et al. 2019: Modelling and analysis of a thermo...
--- (i)?: no control mechanism is considered ? (with and ...
--- (ii)YES: thermoacoustic-piezoelectric energy harveste...
-- [[Yu et al. 2012: Travelling-wave thermoacoustic elect...
--- (i)NO: no control mechanism is considered ? (with and...
--- (ii)YES: thermoacoustic electricity generator is cons...
-- [[Zhang et al. 2025: Thermoacoustically driven pulse t...
--- (i)NO: no control mechanism is considered ? (with and...
--- (ii)YES: thermoacoustic engine is used to drive pulse...
#ref(2026.07.14-1.jpg,left,noimg,板書1)
//■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
&color(black,red){&size(20){!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
*第13回(2026.7.21) [#r969b9dd]
- literature survey for research on active/passive contro...
-- (i) active/passive control (electrically) is used to m...
-- (ii) thermoacoustic system (engine, cooler, generator,...
*第14回(2026.7.28) [#ab4d82c9]
- literature survey for research on active/passive contro...
-- (i) active/passive control is used to maintain and/or ...
-- (ii) thermoacoustic system (engine, cooler, generator,...
終了行:
[[授業]]
[[latest lecture>#x17b6ab1]]
*第1回(2026.4.14) [#dafbd3bb]
- シラバス：&ref(シラバス詳細.pdf);
- 本科目の目的：以下の研究について、文献を調査・議論する...
-- (i)音響境界条件の能動制御（電力消費を許す）の研究（特...
--- [[Bothien et al. 2008:Active control of the acoustic ...
//--- [[Li et al. 2004:Dual-driver standing wave tube: ac...
-- (ii)発振を維持・促進させる受動制御（電力消費を許さない...
--- [[Desjouy et al. 2010:Active control of thermoacousti...
- 第1回の目的：2センサ法（2箇所の圧力計測で流速が分かる）...
-- 具体的には、[[篠田他2018>https://www.jstage.jst.go.jp/...
-- 参考資料：&ref(3年学生実験2018/B2.pdf); の 3.1節、3.2...
--- 複素振幅による調和振動の表現 ... 3.1節、式(2)
--- 圧力と粒子（体積）速度に関する基本の式 ... 付録A、式(...
#ref(2026.04.14-1.jpg,left,noimg,板書1)
#ref(2026.04.14-2.jpg,left,noimg,板書2)
#ref(2026.04.14-3.jpg,left,noimg,板書3)
*第2回(2026.4.21) [#r33786bd]
- Objective of this course: To understand current trends ...
-- (i)Research on active control of acoustic boundary con...
--- [[Bothien et al. 2008:Active control of the acoustic ...
//--- [[Li et al. 2004:Dual-driver standing wave tube: ac...
--- ...
--- ...
-- (ii)Research on passive control (without allowing powe...
--- [[Desjouy et al. 2010:Active control of thermoacousti...
--- ...
--- ...
- Objective of [Bothien et al. 2008]
-- thermoacoustic instability
-- simulated tube section (to simulate acoustic boundary ...
-- two microphone method ... Eq.(16)
- two microphone method (cont.)
-- frequency response of time delay
-- steady-state response
-- traveling-wave sound field when ~B_2 = 0
-- relation between the wave equation and ~p(x)
#ref(2026.04.21-1.jpg,left,noimg,板書1)
#ref(2026.04.21-2.jpg,left,noimg,板書2)
*第3回(2026.4.28) [#tc47f3cb]
- controller design? of [Bothien et al. 2008]
-- first calculate the ideal frequency response, then app...
-- no consideration of closed-loop stability (manual tuni...
- review of classical and modern control theory in lec.#1...
-- transfer functions / state-space representation
-- system stability / poles / eigenvalues
-- Bode plot / Nyquist plot ...
#ref(2026.04.28-1.jpg,left,noimg,板書1)
#ref(2026.04.28-2.jpg,left,noimg,板書2)
#ref(2026.04.28-3.jpg,left,noimg,板書3)
#ref(2026.04.28-4.jpg,left,noimg,板書4)
*第4回(2026.5.19) [#j94319fb]
- literature survey for research on active control of aco...
-- (i) active control system design for simulated tube is...
-- (ii) robust stability of closed-loop system against pl...
- example (insufficient)
-- [[Li et al. 2004:Dual-driver standing wave tube: acous...
--- acoustic impedance matching = acoustic boundary control
--- robust (repetitive) control = robust closed-loop stab...
--- BUT tonal excitation ... oscillation frequency is pre...
- review of classical and modern control theory
-- 2nd order system, poles, impulse response, ...
&ref(ex0519_1.m);
&ref(mod0519_1.mdl);
#ref(2026.05.19-1.jpg,left,noimg,板書1)
#ref(2026.05.19-2.jpg,left,noimg,板書2)
*第5回(2026.5.26) [#la2691dd]
- literature survey for research on active control of aco...
-- (i) active control system design for simulated tube is...
--- simulated tube is active acoustical system that simul...
-- (ii) robust stability of closed-loop system against pl...
--- diffinition of H infinity norm ?
#ref(2026.05.26-1.jpg,left,noimg,板書1)
#ref(2026.05.26-2.jpg,left,noimg,板書2)
*第6回(2026.6.2) [#p44a65fb]
- literature survey for research on active control of aco...
-- (i) active control system design for simulated tube is...
--- simulated tube is active acoustical system that simul...
-- (ii) robust stability of closed-loop system against pl...
--- diffinition of H infinity norm ? ... this was not req...
- discussion on selected papers
- example (insufficient)
-- [[Cheng et al. 2018:Acoustic impedance tuning with act...
--- (i) yes: simulated tube is considered
--- (ii) no: parameter tuning is necessary in ADRC
#ref(2026.06.02-1.jpg,left,noimg,板書1)
*第7回(2026.6.9) [#kb56d1d9]
- literature survey for research on active control of aco...
-- (i) active control system design for simulated tube is...
--- simulated tube is active acoustical system that simul...
-- (ii) robust stability of closed-loop system against pl...
- about `simulated tube' for the 1st paper [[Bothien et a...
-- `simulated tube' is only named by Kobayashi (not the a...
-- final goal is to develop full-scale engine with new bu...
-- but the goal of the paper is, in the design stage, to ...
- discussion on selected papers
-- [[Annaswamy et al. 2000:Thermoacoustic instability: mo...
--- active noise control to suppress pressure fluctuation...
--- additive uncertainties ΔP, H infinity control, mixed ...
--- extends the results of [1]
-- [[Zhao et al. 2018:A review of active control approach...
--- [152] is the 1st paper [[Bothien et al. 2008]]: `This...
--- no mention for the `simulated tube' is given ... furt...
#ref(2026.06.09-1.jpg,left,noimg,板書1)
*第8回(2026.6.18) [#da3f3221]
- literature survey for research on active control of aco...
-- cite [[Bothien et al. 2008:Active control of the acous...
- [[Haeringer et al. 2021: A Strategy to Tune Acoustic Te...
-- `mimic' in title
-- Analysis of a part of full engine, 16 single-cans in a...
-- passive duct tuning for acoustic impedance matching: s...
- [[Guo et al.2024: Dynamic behavior modeling and energy ...
-- thermoacoustic-piezoelectric generator ... more relate...
- [[Chen et al.2020: Impact of Sensor Placement on Mode O...
-- mainly focuses on sensor placement
- [[Semlitsch 2023: Boundary conditions to represent the ...
-- `... boundary conditions can alter the thermoacoustic ...
- [[Blonde et al.2025: Tunable passive control of thermoa...
-- passive control because loudspeaker is difficult to us...
- [[Kojourimanesh et al.2021: Thermo-acoustic flame insta...
-- active control
- [[Ganji et al.2024: Discussing the limitations of uncon...
-- stability analysis related to control engineering (Nyq...
#ref(2026.06.18-1.jpg,left,noimg,板書1)
#ref(2026.06.18-2.jpg,left,noimg,板書2)
*第9回(2026.6.23) [#re3a440e]
- e-mailed paper [[Morgans and Yang 2025: Thermoacoustic ...
-- [Bothien et al. 2008] is not cited
-- no active control ... difficult in real situation
-- CAN type combustors
- literature survey for research on active control of aco...
-- cite [[Bothien et al. 2008:Active control of the acous...
- [[Kojourimanesh et al.2021: Thermo-acoustic flame insta...
-- active control
-- derivation of Eq.(3) (homework)
- [[Ganji et al.2024: Discussing the limitations of uncon...
-- stability analysis related to control engineering (Nyq...
#ref(2026.06.23-1.jpg,left,noimg,板書1)
#ref(2026.06.23-2.jpg,left,noimg,板書2)
#ref(2026.06.23-3.jpg,left,noimg,板書3)
*第10回(2026.6.30) [#a26633a6]
- review of control theory related to the last two papers...
-- [[Kojourimanesh et al.2021: Thermo-acoustic flame inst...
-- [[Ganji et al.2024: Discussing the limitations of unco...
--- closed-loop stability and (i)eigenvalues of A-matrix,...
--- &ref(ex0623_1.m); &ref(mod0623_1.mdl);
- Objective of this course: To understand current trends ...
-- (i)Research on active control of acoustic boundary con...
--- [[Bothien et al. 2008:Active control of the acoustic ...
-- (ii)Research on passive control (without allowing powe...
--- [[Desjouy et al. 2010:Active control of thermoacousti...
#ref(2026.06.30-1.jpg,left,noimg,板書1)
#ref(2026.06.30-2.jpg,left,noimg,板書2)
#ref(2026.06.30-3.jpg,left,noimg,板書3)
*第11回(2026.7.7) [#x17b6ab1]
- literature survey for research on active/passive contro...
-- (i) active/passive control is used to maintain and/or ...
-- (ii) thermoacoustic system (engine, cooler, generator,...
- example
-- [[Desjouy et al. 2010:Active control of thermoacoustic...
--- thermoacoustic engine ... but no system output (artif...
--- active control with power consumption of loudspeakers...
#ref(2026.07.07-1.jpg,left,noimg,板書1)
*第12回(2026.7.14) [#ab3f9686]
- literature survey for research on active/passive contro...
-- (i) active/passive control is used to maintain and/or ...
-- (ii) thermoacoustic system (engine, cooler, generator,...
- selected papers
-- [[Chen et al. 2020: Large eddy simulation of thermally...
--- (i)NO: no control
--- (ii)YES: thermoacoustic engine
-- [[Li and Zhu 2022: Self-Powered Active Vibration Contr...
--- (i)NO: active vibration control ... suppression (not ...
--- (ii)NO: no thermoacoustic system is considered
-- [[Chen et al. 2019: Modelling and analysis of a thermo...
--- (i)?: no control mechanism is considered ? (with and ...
--- (ii)YES: thermoacoustic-piezoelectric energy harveste...
-- [[Yu et al. 2012: Travelling-wave thermoacoustic elect...
--- (i)NO: no control mechanism is considered ? (with and...
--- (ii)YES: thermoacoustic electricity generator is cons...
-- [[Zhang et al. 2025: Thermoacoustically driven pulse t...
--- (i)NO: no control mechanism is considered ? (with and...
--- (ii)YES: thermoacoustic engine is used to drive pulse...
#ref(2026.07.14-1.jpg,left,noimg,板書1)
//■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
&color(black,red){&size(20){!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
*第13回(2026.7.21) [#r969b9dd]
- literature survey for research on active/passive contro...
-- (i) active/passive control (electrically) is used to m...
-- (ii) thermoacoustic system (engine, cooler, generator,...
*第14回(2026.7.28) [#ab4d82c9]
- literature survey for research on active/passive contro...
-- (i) active/passive control is used to maintain and/or ...
-- (ii) thermoacoustic system (engine, cooler, generator,...
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