From ef608dfd9d623813141c3051b81495a57b9640cb Mon Sep 17 00:00:00 2001 From: Thomas Dehaeze Date: Wed, 2 Nov 2022 11:33:02 +0100 Subject: [PATCH] Update Content - 2022-11-02 --- content/zettels/voice_coil_actuators.md | 12 ++++++++---- .../ox-hugo/voice_coil_vertical_mass_spring.png | Bin 0 -> 3686 bytes 2 files changed, 8 insertions(+), 4 deletions(-) create mode 100644 static/ox-hugo/voice_coil_vertical_mass_spring.png diff --git a/content/zettels/voice_coil_actuators.md b/content/zettels/voice_coil_actuators.md index f4699ba..0080fa8 100644 --- a/content/zettels/voice_coil_actuators.md +++ b/content/zettels/voice_coil_actuators.md @@ -56,13 +56,17 @@ As the force is proportional to the current, a [Transconductance Amplifiers]({{< ## Voice Coil for Vertical payload {#voice-coil-for-vertical-payload} -Let's consider a spring-mass system with a force actuator. +Let's consider a spring-mass system with a force actuator (Figure [1](#figure--fig:voice-coil-vertical-mass-spring)). Parameters are: - `m`: the mass payload in [kg] - `k`: the spring constant in [N/m] - `Fmax`: the maximum force applied by the voice coil in [N] + + +{{< figure src="/ox-hugo/voice_coil_vertical_mass_spring.png" caption="Figure 1: Mass Spring System" >}} + `Dg`: deflection due to gravity in [m] `Df`: maximum stroke using the voice coil in [m] `f0`: the resonance frequency of spring-mass system in [Hz] @@ -101,7 +105,7 @@ Fmax = k * Df; % [N] -{{< figure src="/ox-hugo/voice_coil_force_fct_f0.png" caption="Figure 1: Required Voice Coil Force as a function of the paylaod resonance and corresponding deflection due to gravity (mass is 5kg, stroke is 5mm)" >}} +{{< figure src="/ox-hugo/voice_coil_force_fct_f0.png" caption="Figure 2: Required Voice Coil Force as a function of the paylaod resonance and corresponding deflection due to gravity (mass is 5kg, stroke is 5mm)" >}} ### Determine the payload resonance as a function of the wanted stroke {#determine-the-payload-resonance-as-a-function-of-the-wanted-stroke} @@ -125,11 +129,11 @@ Dg = m * g ./ k; % [m] -{{< figure src="/ox-hugo/voice_coil_resonance_fct_stroke.png" caption="Figure 2: Resonance frequency and deflection due to gravity as a function of the wanted stroke (Max voice coil force is 50N and payload mass is 5kg)" >}} +{{< figure src="/ox-hugo/voice_coil_resonance_fct_stroke.png" caption="Figure 3: Resonance frequency and deflection due to gravity as a function of the wanted stroke (Max voice coil force is 50N and payload mass is 5kg)" >}} -{{< figure src="/ox-hugo/voice_coil_stiffness_fct_stroke.png" caption="Figure 3: Resonance frequency and deflection due to gravity as a function of the wanted stroke (Max voice coil force is 50N and payload mass is 5kg)" >}} +{{< figure src="/ox-hugo/voice_coil_stiffness_fct_stroke.png" caption="Figure 4: Resonance frequency and deflection due to gravity as a function of the wanted stroke (Max voice coil force is 50N and payload mass is 5kg)" >}} ## Bibliography {#bibliography} diff --git a/static/ox-hugo/voice_coil_vertical_mass_spring.png b/static/ox-hugo/voice_coil_vertical_mass_spring.png new file mode 100644 index 0000000000000000000000000000000000000000..4138b346f6c956489a060f5a949978ad201ffc52 GIT binary patch literal 3686 zcmV-s4w>fV{jsl9H12u|*-()zu6cGQ^Q(Yf-p~iHY>@ z-(R0%6jD`H<=C>FqmM_4L{zwn3Rh87xQe2}RaCf&qQX@a6|SPfRTLGjq6C~ctpX*) zdri>w*5j z+hT2B12WZBP@G1Vh}FeNv9tiEf%~;{ri7AMAMg9b_Wpce2#}*u1tnZe2L}21nGCVM zA81se6>QzQmHhmCcJJQJ!i5W|t*vG0(xu;An>=|kGiT0Z$BrGWSh0fm_;?Bm3Ya%< z9;vCRDp|wrKtJH|7Ve7&YUKSm;4|PW+x2e#Sh1B(|g{^oND2?-oIa)g?i8sg*Qqutuhz$~Op#>8jeZ|1%WfNj7D5$Mgp zALMggfg6D*15uzhZ*h0++GUlMm04wFWma5VoRyuO-RSz-wQDWF+Pimeqx19U&$k8+ z9H!_`*B_kuF(e?cNeERk4 zM@mXcqx0+6uV?)D@#@*a55%{1aRYEKQ0C#@I$*uqx#Pf6jViQ~oSYm64<6iPHFIum zZWA#V7Z+1hRK(P&Q?=q?rrU8R;HFS~u?km&o1UKD=v-xGCEK=bYjS@1^5yjE)r+xX z$8!4gX)-f2qqW+)1CxCavkEsDl$V!NP*6ZxT3QopTU}kqe)IqX8ZQ-)YsQD zY}l}9jwbl(LIj+c7NQCXB_$;!CnvYr+CO&e7`eH*O?=kE!a{0mYZ)_UOr!H>&YWS* znl<$7*^{)iG-6_6+HBoaRaMck<2UK!x`-wKhGPZ~?9|#i`=yx4Gj%Fl#Yw__mWBy2 znZTVAAt;ha1HeS!9d#8Hr_c`gnON96fS2UF1xy06eQ+gIxJt;G2qXYgfF*9%&WL|I zUm^}YgH;HfkE{60HNaIsftP!J2OPr;NMx#Tm2h(o@C0zghkLVWJgTOyf)Y0BeH5*W zLn>TFQQ;~oTt!jgDvAnMQQ<0z3Rh87xJq=QBWE5sb?Ow)J@*_NH*Tc9zMj<7ROZf| zOYh#jwQ?eWsK~3}PHAbWm6DQTU)^c}R-Zn7tUY`7L{(k*m{;N3a{UW+6~f4zIddp3 zE^c!E=+UFhnl(!+C{kR788c?sClj}6>g(%y@4fe$y`Gbk!`QK7Y2Utm)YONKzteO@ z!`x;*dOIe;hn)i8k&w9x`qGz|S1Rx=%=E>HHtjs^;oc2_6sNbPJJT?;-Gj};KyToe z4lpt?zzdj^K%S@p?x7)ZTR0g9v?qwmV{BXwZ1rGq*JDyDxib>D*zH^?u(2(*NFT_5 z$|*eH#lk%8pmJ^lcB!|k!nIr7=f%3%MVlR>7RVPaww3Erm5>V8&QQ$6X$zB-%}M;; zCfrw5LMq%Q9cvLsFNZ~fj@pEK3X`)ds?a!Y+D>?;;$>zJL3*~O+%tZx^!xY5NV zKYYaNLR_}VBHHf*dpuk(6*u8SV5$l?_@rVsZgT=XfYpGv$;Yw4i!`126l}TyV=>8- zo1rfDY=s#_5-|I7<I!@?q?&5TjJM3YdAN%WUq$ zZye%2toI;>Ps3D}6M$7zRAg0FR(gFE7Z zav$ykzLLs+3rG%ASvmk;+C*D}nG37JbqG!x@~s6n0ej{6d%);0m8A+;VLM)n=llUm zlneJYVk$%#_;PitoA}ct!q=UBE5C zzf_lwAzl7%@^a6om@GOGC){+*eAK*FeAio;3D|3-x%nJ3?5q1wI7hfAfq#2wDP4St z30p=SuVO-0b~<8``})H;5w0cHcf9H*tgb?D`P^!^^Amt8ZO46`u@xXlX zTUTI~miWp>i7L#I%6Jzu(I!cC8Wyhd;3mWXce@#?BatZF^QDR3jG2?VP$B^bFp1a( z`}y595?vT3z4u9CeShO)XhsPf8S;0EJd4%9ZcGHIGSdHZ(=fBR`T~#AFm~TrM0d79 z`iYncHm;diSE`;u<|=&d*6Hd1JS0XW;>pAWp0fyEKGqJv`%?M!!2JRK_xnn8ql2x* zNylVB9AUe!Gw>teR$31Kw8tz%nu7Ng!cGO(m`Ab-2d z-`O<3#gaF!!^90A!;HwK%0oXMg#T-uxH@Cx!9GgkA?CrD#fM8g{AerO&c%xBw9d^c zx$0nZ1Zf~$>ihGyDBN_hJg4N?HE6I;tX6m1HD5>p-o^|@bj5_l#ss-(deZiP`3Mti zw=)WO(@o45iS_@;?cVEwOK3XLC>|7>_t$ zm9#9gaK;9N0U@awANC@e-&Nb4@nVTA%qoX)?9Vk!zW)lh^D{9i>fNIPMZjWtKh*X^ ze@k2&I|=f@1DzRM=i{D*t8f_4Qx131kXX1SwqgR?XE00AZ@HmS&Y4-%G~;zDtkT%EBA5Y(jz}lg&P{2GKt&eKHP%YVEK9AW@)BBaaf%#mzH9!91j4Vksn*oaxW}ew1^%( zdU(C3yu3VWES=LCR#i44pt zU(4p>Dk@yZl1M}HkFPP|u=ZLlDqN@HT3mTrDtslnIMP@8`yt%^T3vzVS{k;A+J%|4 zqWH#RG~Vr}IpL0{Vfv;LK)PX8_SVv{%D0PFON(3}b#|{8;m(jcy+o@kc#Of!(6WGo zzztd@Es`ts^$aE&;}UK+=_iD9pNgpB9N?I~=ph+18_aHTFOIfKP>UOR?5FWc;%zj|BCf(!9N$UPPMNw2 z5kn`;z)dAlIy+1^4v9=EFw5x^@Goauo1vxDp!qd`Mc%JZuT!FOGV z!!}QBNw~*}qG3d(SzAEadl2JjJTivR!s07*qoM6N<$ Ef|CRjIsgCw literal 0 HcmV?d00001