7/12/23, 10:48 AM
`
`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`
`
`
`CN115639868A
`
`
`
`Self-adantive temperature control method, device and system for magnetic stimulation device
`
`Abstract
`
`
`
`
`
`
`i methed, ecuipment anda system for
`rature ¢
`ptive t
`provides 4 self
` imulstion equipment, wherein the sefhadaptive temperature control method, the
`
`
`
`
`sempi
`
`cHowing step
`fomert and the
`m comprise the following steps: the meth
`
`
`
`
`stirautation systeaccording to the etectrical
`shing a physica! model of
`
`
`
`
`eters of all
`lectranic cam
`ulation system and the parameters of
`
`
`the coil) step two est
`othe physical mode}, and
`
`
`simplifying the mathematical model to obtain a transfer function from input voltage
`to output
`
`eter values of the
`currant of the magnetic stimu
`D three: fitting real-time pai
`
`L square method accerch:
`
`oto the realtime
`
`
`© surnulation syste
`
`
`rding wo the real-time parameter v
`
`
`
`
`1 Lemperature of the col and the preset
`five: cabou
`6 the temperature errar between the rea}
`
`
`
`d controtting the heat dis
`
`trancth o
`temperature of
`
`
`of the temperature error,
`
`
`
`
`
`
`
`
`
`Other languages: Chi
`
`
`
`
`
`Current Assignee: >
`
`Worldwide applications
` CN
`
`Application CN202211659777.XA4 avents @
`2022-12-23
`
`images (8)
`
`2022-42-23
`
`2023-01-24
`
`2023-03-21
`
`2023-03-21
`
`
`Status 2042-42-23
`
`
`
`External links: ©
`
`
`Giaims (19)
`
`
`
`
`
`fora magnetic stirulation device, cha
`}. An adaptive temperature contrel method
`
`
`isting a ahysical medet of the
`the methad comprises the following stems: es
`
`components of the magnetic stirniulation sysiern and ihe pararieters af t
`
`step twar estabdiishi
`mathematical mode! according ta th
`
`aurrenit of the magn
`
`
`
`
`yeical mod
`
`nd sirantifying the mathematica! miodet to ¢
`
`funation frors inpur voltage te 9
`
`
`
`
`
`mn of the magnetic stimulation system:
`
`rHime parameter values of the siagnetic stimulation ent by a least square method according to system atu
`
`
`
`
`
`
`
`realtime trigut voltage, th
`
`2 coll acoarding to
`
`
`of the sysiem, coniroi
` reat
`
`
`
`
`by judging the positive nd negative of the Ter
`
`
`heat dissipation str
`th of the heat dissipa
`j
`is positive, cantralling th
`
`3
`wn of the coil.
`
`te accelerate the heat dissipation of the coil, and ifine T_error (T} is negative, controlling the heat dissipation ngth to siswdown the heat dissipati
`
`the realtime pararneter value;
`
`
`
`estabtishin
`Z. An adaptive temperature control methed for a magnetic stirsulation device accarding to claim 1, characterized in that: t
`of the ahysical mode! of the
`
`
`
`parameters of all electronic components cf the magnetic stimu
`magnetic stirutation aystern accerd
`othe elactrica!
`the pars
`
`
`
`
`
`
`
`total resistance FB of ail electranic caraponents of the magnetic stimulation system, Equivalent total
`comprises the follawing steps: according ta the equivalent
`
`
`tyaler
`
`inductance L» And eq
`UBL ecuival
`moéetis related to the time t a
`
`deviation « () of the coil at thet
`
`
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`
`1/26
`
`

`

`7/12/23, 10:48 AM
`
`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`
`
`o “Es
`
`
`
`the raeehanical physical model of the madnaetic stimulstion system is established as follows:
`
`
`
`nthe above formuis,t is tiry
`total resistance, L , For equivalent totai inductance, bf is the equivalent magnetic induction multiotied by the affective
`a, Ris an ocuivaiert
`
`length, Mis the equivaiert mass of the ceil, K,,, As stifiness of the iF 4, Damping of the coil.
`
`at. the establishing of the mathematical model
`magnetic stimulation system from the
`input
`:
`nthe output voltage U (2) of 3 power supply at the
`norment of the
`farid converting the autput vaitage U (4), the current EQ) at two ends of the call and
`
`ofthe coil, K .,, 4s stifiness of the PC Ky (and Bay ft
`
`the equivalent magnetic
`
`fength,
`
`ass
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`2/26
`
`

`

`7/12/23, 10:48 AM
`Se
`
`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`
`.
`
`*
`
`
`
`1ROALDDULDLIODUDOOIOOOODOOOOLIEOPLLOLTLELOLLETDITLELEDDELEDILLIEDDDEODEDETtinz
`
`
`
` SE,
`
`SR
`
`
`
`# values of),L band b
`wherein Ris. Lib and R . Ub is the equivaien
`
`
`inductance L during system operation , Bib s
`ective length BE multintied by the equivalent maanetic induction during
`
`
` system operation, « .,[band K ,, Ubb is th
`ation ,,, Lower and upperlimits of (2). R ,, [band R ,, Ud is the darriaing R of the
` ng values.
`
` ethod for a magnetic stimuk:
`
`cides:
`value
`coll according t
`
`is the equivalent total
`
`ne temperature of the
`
`according to the fitted t time K , (1), the coil temperature T (1) at this ti
`
`
`
` Jana
`
`sebns
`
`
`
`where C is a re
`is , For referen
`
`
`5. Ana
`
`
`oc for a magnetic stimulation device acce
`se of at
`j
`
`systers, when the ternne
`cormorises the ee
`
`Control UU (7 + 1) of the vane pi
`
`
`ad
`
`i O&G+l=&
`i
`fore
`pean,
`
`
`
`
`
` wherein, the first and t
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`3/26
`
`

`

`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device -Google Patents
`7/12/23, 10:48 AM
`
`
`
`
`in the above formula, U._ Cool (2) is the electricity of the vane pump at
`the current
`momeniPress
`p18 8 proportionality coefficient in PID algorith
`
`moment,
`dime constant, T y For a differential time constart, T.. error (7) is the temperature «
`
`te
` tempers
`ra,and lf_ Coot (7+ 1) is the voltage of the vane puro at the next mamerit T +4)
`
`
`
`
`ther the
`
`preaches the raaximumnor cot under the eondition that theT_error (T} is positive, if so, judging whe!
`
`
`
`
`
`ratin of the
`eaches the maximum of not accerding to a default resistance value
`PR. Set and current resistance value R . {t) the
`
`
`
` current
`
`
`previous dulse is compressed to obtain a compressed cur eps (+ 1) of the next pulse; accordingte the
`arse G of the
`ster function at that
`
` Qurranti_ ors 4
`f the ney ulse output power supply, and reducing the heating
`
`
`the compressed yollage u cms4
`time 7 (s} and the compre
`wn formula is a5 follows:
`@ systeny, ths
`pawer and the call temperati
`
`
`
`
`
`
`
`
`
`on, Rg Setset is the resis
`@ colt atthe preset
`te value
`in the above formuls RG) is the current resistance valueof the syste
`aft
`
`
`he current value of
`temmperat vax tine T 4d andu_ ops (7 + Tis the cormsragsion voltage of the cutout
`
`
`power supnly at the next
`
` 7. A control de
`xing the instructions in the memory to cause the
`f for any
`compris
` control de
`ding te any one of claims 1-6.
`to perform the adaptiv
`
`8. An adantive temperature ¢
` a, wherein the core board is used
`er imerection module which ere connected with each¢
`the upp
`
`em comprises 4 core board and 6 hunmancorris.
`
`
`for exer
`j to any one of claims tT
`to 5, the human-compute:
`ng the selladaotive temperature cociral method Far the magnetic stir
`
`
`
`interaction me
`
`end of magnetic stimulation, adjusting the ii
`ansity of the
`meters of magnetic stimulation output, co
`
`
`He stiriviation cutput and displaying magnet
`sticruftation¢
`
`
`
`
`ain the main contrest
`nm ocil,
`magnetic stimu
`
`
`
`the maic control module and the power supoly filter,
`
`
`ce, wherein the
`
`module is
`Vsystem is
`
`
`ation control seule is respectively cormected
`
` eNSor,
`neal dissipation control maduie is
`
`kis connected with the fewer ca puter ssubsyste
`gh the separater, and the fan is
`
`
`connected with the heat dissipation oari tral module thraughnthe rotating speed feachack module.
`erized trthat:
`Voll
` h path of sragnetic stir
`ac
`
`
`
` j DOWEL
`
`
`
`the Qutput end af each p
`ung power supply and one pathof cot
`of boosti:
`upply is connected with one path of sulse
`
`nacitor is connected with the <
`i.
`
`
`
`
`1G. An ad
` at system for am:
`inetic stimulation device according te claim &, cha
`erized in tha
`reach magnetic stimula
`
`
`poosting pewer supply and at feast cre cell the o
`ing power supply is connected with a putse capacitor, and the pulse capac
`the at feast ane coli
`
`
`an coi comprises a
`is connected with
`
`
`Description
`
`
`
`
`alive tempersture control method, device and system for magnetic
`
`
`stimulation¢
`
`ontral of magnetic stimulation equipment, in particular to a self-a
`ulation equipment.
`
`cate
`
`
`
`
`aptive temperature cartral method, equiarne
`
` ation and mental
`
`
`
`¥ ig more and core z
`and be
` coepted by the rie
`ssoranial raagaetisin(used for nerve ren
`
` mulation
`yocated For many years, tne Magnet
`stpartum rehabilitation and orivate obastic) which are widely4
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`4/26
`
`

`

`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`7/12/23, 10:48 AM
`
`
`
`is ranidly popula:
`technology aiss has the shape-recducing magnetism (used for fatrecucing shaping) wh
`
`
`id Higher: the exis
`tragnetia
`
`achnology are higher a
`la
`rly carnprises 4
`apoligation scenes, the requirerents of the magnetic sti
`
` an controtied rectifier, a boosting
`sista
`
`wer supoly, an eneray storace pulse capa:
`piate, 2 call, 4 tiquid
`rhain contrat panel, a si
`
`
`COO
`
`5
`
`i
`the
`ikes the main
`antral Qoard controls the boosting power supply to stan boost
`ower supoly che
`system and
`
`
`
`b
`2
`energy ste Hos the main contro! board turns on the silicon controled rectifier after the chargi
`
`is finished, the aulse capaciter discharges through the
`pulse
`
`co
`
`oot,
`arc a spac
`uitse rnacnatic field is generated w
`current passes through the coil the pulse masnetic field generates induced current in target tissue of humari
`DoW
`get nerve cet so as to reach physiological effect and therapeutic effect,
`body 10 cause de
`
`arin
`‘ature in the call, the
`: outputs magnetic stimula
`ration, large current pulses flow through the ceil
`
`
`
`pte cool the coil, but the co
`
`
`m ot the coil is limited,
` ate of costing ficuid through th
`ling capacity of the coo
`2 voltage of the impeller pur
`
`
`
`
`fraquenoy and high-stre
`can be stopped if the
`repeated
`stimulation ts pecfarmed, the ou
`
`
`ds the safe temperature, the device can he racevered after the temperature is reduced, and the aging of the ocil can be accelerated when theuseis
`
`influenced.
`
`
`
`
` inruadation
`
`ulatore mainly use a
`refore, temperature contrabis always an important problern for restricting the magnetic
`echnolagy, at present, varlaus magi
`
`
`
`
`
`tited once
`
`black box rocdel fo carry out rough contro! cn temperature, and cutout yveltage and treat:
`vy once, so that the selection of treatment
`
`
`
`mt effeet is reduced: in
`
`sohermes is tirnited, and the tre
`
`
`¢ actual operation process of the system, the resistance vaive of the coil changes along with
`ies Such
` the physical qu
`temper:
`the magnetic held intensity, the rigiity, the dariping and the fixe all charge along with the change cf the input valtage,
`the ta
`the
` thed.
`$6 that the or
`
`
`
`systamis inconsistent
`ourput, and the pr
`mt target car
`anpersiure of the
`
`
`
` arb aiins to provide a self-acaptive temperature control
`
`
`equiprnent, which can seive the problerns that the existing magnetic stirnutation equipment limits the output vel
`
`
`selection of 4 treatment
`acheme is liriited, and the t
`ent effect is reduced.
`
`in orderto achieve the ourpase, the technical scheme of the invention is as follows.
`ae
`the iny comoprisi
`
`
`
`the methed comprise
`at parameters of alf elactronic
`
`
`
`
`to obtain a transfer Tunction from input voltage to
`
`ermatical riodel according ta the physloal model, a
`
`freutation systern;
`
`
`
`on system at the mament by 3 feast sque
`stem three: firting
`reaht
`.
`
`Gutpue Curren
`afer function
` te the realtime p:
`
`
`
`erature errer T _. error (7) between the real-tirne temperature T (T) of the coil and the :
`
`ipation strenoth of the heat cissipation system by judging the pasitive and negative of the T_ error (4 )
`
`
`
`
`
`ot according te the realtime input vo
`
`and
`
`cS
`reser
`
`
`
`system, contr
`
`
`
`
`(Pig positive, the heat dissin
`
`niaroe is cortroafled to accelerate the heat dissipation of the oail,
`
`
`= neat dissina
`
`an of the
`
`torce is controfied to sinwdown the heat dissipat
`
`
`
`
`
`
`‘s OF alt
`s of the
`
`
`
`
`al para
`nysical medet of the ma
`he electronic compon
`
`
`
`
`tal resistance P of all sleatrania components «
`magnetic strnmulation sysiern and the pararaeters af the coil inciudes: accorel
`he magnetic
`
`
`
`
`ent mass M, stittness K of the cai
`
`ductance L And equivalent magnetic
`an muttintiod by effective length Bi, equix
`stiraulation systern , Equivalent total
`damping R ,,, Establishing a shysical model related to the time t and the outout voltage u (1) af a power supplyat the time t of the systern, the current i (f} at two ends of a
` physical model of coi atthe ume t and the position devietion » (hy of the coll at the time t the electrical
`
`
`
`
`
`the riechanical ahysical model of the magnetic stimulation sys
`
`emis established as follows:
`
`
`
`
`
`
`
`above formula, tis
`
`
`
` total resistanee, 1. For equivalent total inductance, bl is the equivalent magneG
`
`Ris an equival
`hi
`ferigth, M is the equivalent mass of the coil, K .,, 1s the stiffness of the coil, R ,,, Damping of the coll.
`
`
`
`induction rriut
`
`
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`5/26
`
`

`

`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`7/12/23, 10:48 AM
`Further, the establishing a mathematical medal accarding to the physical model, and sirntitying the mathematical model te obtain a transfer function frer
`
`
`
`rent of the magnetic
`
`voltage ta the o vollage U (1)ofa power supply at the tth momentSimulation system, tacludes, performing Laplace transfarn an the ou
`
`
`
`
`
`3 & &a
`
`a os
`
`a.
`
`um =
`
`UG) Mb,xs? + (MR, + RL,
`
`
`
`
`transform complex
`in the above formula, s is a parameter real time t and ts obtained by Laplace
`nates U(s}, Ks} and X(s} a
`
`
`
`current (at two ends of the coll and position displacemert X (7 of the coll, Ris ,is an equivalent total resisiance, L. For eauivatent total inductanies, blis the
`
`
`
`stitiness of the call, 2 ,, Gamping of the call.
`equivalent magnetic
`induction mutiplied Sy the effective longth, Mis the equivalent mass of the coil, K ,, is the
`
`
`
`Furth
`
`the fitting of the reabtine pararneter vatue of the systernat this tire by the least square methodincludes: setting the collected realtirne input voltage as u_ real
`@ and the output current ireal (2), and fitting the realtime parameter vaiue R of the system at ihe moment by using a least square method,
`(f)
`. L,
`(t)
`. BEd.
`Ky (land ke ,, (is:
`
`input
`
`
`4_pornnseceseseceserecscetcsectietseettatestettieesistesMLAbdITbAIVOSLTLELELATPILLTALIESILTIALIOAILIUIEES, ¥
`
`
`
`
`& “OY
`
`
`
`See
`
`
` erain Ris, dband RB, Ub is the equivalent
`Iban
`
`
`
`
`ai, Ubis the equivalent
`total resistance R during systern aperation , Lower and upper limit values of (),.b
`
`induc nee L during system operation , Blib and Biub are the lower lint and upper limit of the effect
`
`
`: BI multiplied by the equivalent magnetic induction during
`
`fimvalues of @), Ry, Iban Bo, Unb is the damping Roof
`systemoperation, K Lb acd K ., Ubb is the stiffness K of the coil curing system operation ., Lower and upper
`
`the coil during system operation .,, A lower lirait value and an upper Hert value of (2).
`
`
`Further, the temperature of the coil according to the realtime parameter vaiue includes:
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`6/26
`
`

`

`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`7/12/23, 10:48 AM
`according te the fitted t tire RB. (1), the coil temperature T (1) at this time is obtained, and the caiculation formula of TT.
`
`
`
`i.e., an arabient temperature: t
`
`ek
`& temperature T (}.{1} is the resistance valiie
`
`
`
` no a vane purns voltage of ny whan the temperature ¢
` ontrofiing of the heat
`
`pation force inctudes o
`
`is known as T_ error (7), the
`aration Controt_U (T+ 1) of the vane sump Contre! voltageis:
`wv
`
`paral
`
` ther,
`
`SSS
`
`oa
`
`the voltage of the next pulse is cainuated as.
`
`
` tionality coefficient ir PID algori:
`
`yang pum at the current morsent, K > Is 4
`in the above forrnda, Ud _ Cool (1) is the voltage of
`
`is the systemaAn setting the ternperature, wherein TT) i
`
`carstant, Ty Terror (7) i
`emperature error at the Tih
`time, 7. Set
`
`Cool ¢T + 1} is the voltage of the
`impeller puma at the next moment T+ 1.
` m reaches the
`
` ition tha
`that the
`imurn value or not und
`eT error (1) is positive,if so,iu
`
`Judging whether the realtime voltage of the iranetler pu:
`
`
`of the
`JE resistanee value BR. Set and ¢
`ip reaches
`the maximumvalue acearding to ad
`time voltage of the
`starice value R . Mj the:
`
`
`
`current | (fof the previous pulse is compressed to obtain a compressed ourranti_ cos (+ Ty) of the next oulse, aocording ta the inverse
`of the transfer functionat that
`ops (+ 1}, caleutating the compressed voliage u
`
`ecitic calculation formula is 46 fo
`
`
`
`ita R , @) is the current resistance value of the system, G(s) is the
`meter function, R , Getset is the resistance yatue cf the coll 4
`tra:
`iempe: .i.ops (T+ 1) is the current vatue of the equal.
`compression at the next time T +4, and u_ cos (T+ 1} is the compression voliage of
`
`
`the nexttime P47.
`
`power supoly
`
`
`
`the output
`
` emery te caus
`A contredevice cai
` ing 4 processor and 4 memory, the mernory for storing instructians, the processor for inveking the instructions int
`
` &
`Cor
`device asd
`
`i davice ic perform an adaptive temperature centre! method fer 3 magnetic stimu
`
`
`
`Ar adeptive temperature control systern for a magnetic stimulation device, the control system comprising:
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`7/26
`
`

`

`an the Main co
`of
`ely connected with the main cantrat module and the power supply fitter;
`
`
`is conneoted wih+ the core board, and each aath of magnetic stimulation on
`
`
`3 pulse magnetic field:
` input end of the heat dissipation cantral module is
`
`
`ipation Systemecornprises a heat dissipation cantral rodule and a heat dissipation device, wherein th
`output end of th
`
`heat dissipation control medute is connected withthe neat dis.
`md the heat dissipation systern is
`
`
`tation coil and
`the upper com
`puter subsystem:
`
`
`
`
`patio:
`the heat
`d
`
`
`control module is respeotively connected with the
`S animpetler purio, a water tank and a fan, the output erid of the heat c
`
`
`
`cted with the
`ation contrat moduleis
`
`ank through a flow senser, the heat dissi
`impetier pump,
`the fan, ane
`mpeler curns is co
`
`
`
`CO
`with the water tank
`
`
`
`ugh thguic level sensor, the water tank is connected witt
`wer computer subsystem throug
`s semarator,
`and the Far is
`
`
`an controf macdule thr
`connected with the heat dissip:
`ithe retating speed feedback medute
`
` r supply and
`Furthermore, each pa
` 12 path of boosting pow:
`
`
`power supply is connect:
`I ihe pulse capacitor is conmeoted with
`
`
`7/12/23, 10:48 AM
`
`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`sraction
` cule which are cerimected with each ether, wherein the core boa
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`
` a used Far editing
`
`output ¢
`id of each path of coosting
`
`
`
`
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` ar Supply and at least one coil, the output end of the boosting power supply is ourinectad with 4
`
` fatian coll comprises <
`
`id the pulse capaciter is connected with the at least ane coi
`
` prior art, the inventi
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`
`
`
`s current at two ences of a collin real tims,
`identifies the real
`
`va
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` 2 realtue int
`
`
`
`
`
`By
`2 of the system at the moment accercingto the resistance
`emeted, calculates the temper
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`
`
`
`
`
`ocling system arid the cutput voltage according ta the terri.
`omen: and echie
`srature oF the sys
`
`Drawings
`
`to the aces
`
`
`disclosi
`
`of the presenti inventionis ilustrated with referen
`
`
`
`2 invention, Whereiy
`ition of the timing of tt
`purposes of Hustration arid notes a det
`
`drawings. ft is to be understex
`
`
`
`
`tthe drawings are designed soletyfor the
`
`
`
`
`ematio clagram of the working flow of an adaptive tarperature contral method for a magnetic stimulation apparatus according tothe present inverition,
`
`
`
`
`FIG. 2 is a aystern block diagram of an adaptive temperature cantre! system for a magnetic stimulation apparatus accordingto the present invention;
`
` currant without FIG. Zis a cern of meas
` on gra
`
`
`
`
` graph of meas w adaptive tamoe FiG. 4is 3 comparison
`
`
`
`asent invention; FIG. Sig a graph of stimulus intensity-ou
`
` Sis a graph af s
`Detailed Deser
`
`present javention,
`
`
`
`© art can propose varicus alternative structures and
`the present invention, a persan
`itis easily understandthat according te the technical solution af
`
`
` accompanying Crawingsare merely
`telaiied description and
`changing the spirit of the gresent invention. Therefore, the iollowing
`imolersantation ways without
` tion or as lirsHations ar tir
`itatioris on the technical
`
`
`aspects of the aresent imventian, anc should not be construed as all of the pre
`itustrative of the technica!
`
`invention.
`asnects of the present
`The friver ion srovides an
`
`
`
`acaplive temperature control method fora magnetic stimulation device, which comprises the following steps of:
`
`
`the method cornorises the follow
`anetic stimulatk
`
`ectronic compen
`
`
`
`ot the
`
`a phystoal model af the ma
`
`
`gto the elect paramete
`
`Ne of all
`
`
`
`
`
`
`
`ce L , Equivalent magnetic
`# equivalent
`tutal resistance Ro
`electronic components of the raagnetic stimu
`system 2 Eq
`
`
`th BL equivalent mass M,
`induction multiplied by etfectiv
`ngR,,, Establishing a relevant physical mode! between the autput vo
` nf eoit an the t romen: in thetrnoment ane
`
`
` on deviation x (i) ¢(tof a power supply a: the time t and the t momers, the current i ha
`
`magnetic stimulation system;
`Hlustra
`
`
`lying the eq nt macne
`
`
`valent total resistance PR of the electronic componentaccording ta the e
`tively,
`
` ength Bi and establishing an electrical physical model of tinduction intensity by the effec
`antity voltage u(t} of the magnetic
` lation systers as follows
`
`alent total
`
`
`
`induc
`
`
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`8/26
`
`€
`

`

`7/12/23, 10:48 AM
`
`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`
`
`
`as
`
`
` Qneic aocording to the equivalent mass of the coll being M and the caidity being K ,,, Damping is Rp, The
`
`Sti
`
`
`ulation system, the
`i} at we ends
`e coil and the positian deviation x (} oft
`2 coil is established as follows:
`
`
`RR ERE,ww
`
`
`
`sae FE
`
`
`
`step twa est,
`output currertt ¢
`
`ical model to obtain: a transfer function from
`
`
`
`specitically, to OUTDUT CU
`
`
`rain the matherrse:
`
`guantity voltage u ff, the cur
`
`
`into a furction of 3 compiex numbe
`tito Ufs}, is), and &(s}, a system of equations is obtained:
`
`—nf,
`
`
`
`
`
`
`
`ldthdtds
`
`and (4) with Xis} as a fink,
`
`
`
`(4)
`
`
`miifying the transfer function G(s} from inaut voltage to cutput current of the system:
`
`
`PIII
`
`
`
`o
`soripley oarameter, UL
`
`
`
`
`
`U it), current!
`(t} and mechanical quantity di
`
`dacement % (1), and Ris . ts an equivalent total re
`
`
`
`vetic induction multiolied by tne effective length, M is the equivalent mass of the coil, K ,,1sthe stiffness of the coil, RB .., Dariaing of the coil.
`
`
`
`
`
`Step three: fitting realtime parame
`ter values of the magnetic stimulation system 4
`a rmoment by
`
`
`
` magnetic stirsuta
`
` tian systerd and the transfer function,
`
`
`output curred of th
`
` einpun volage arid
`least souare method according ta
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`9/26
`
`

`

`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`7/12/23, 10:48 AM
`
`t total resistance F of the magn2
`wnmya
`
`tirsulation aystern comorise the equivala
`atly, the realtime parameter vatues of the magnetic s
`
`
`
`nagnetio iaduct
`tg @) equivalent tatal inductance L . Gi) equi
`
`
`
`Ans fitting: reshtione parame
`
`
`
`g the collected realtime input vokage ui _
`
`moment,
`(1)
`. Ly,
`(t)
`.
`SF
`
`31 ih}, colt
`LILLIEStay,
`
`OLEVIALEED:
`
`aa. SR.
`
`
`
`‘awa
`
`(8)
`
`
`t values of
`L. Ibarcd Ll , Ub is
`R during syster operation , Lower and upper f
`in the far
`nula {6}, R ,thand R , Ubis the equivale
`
`
`
`
`
`
`
`induction multiplied by the effective fangth
`of the equivalent magnetic
`Biub are
`total inductance L during system coeration , Bub a
`> lower limit and the upperfi
`
`Ubis the stiffness K of the call during systern operation » Lower and upper firs
`Ob, Ry tb and Ro Ubie the
`Bb wherthe systemis in operation, k » tband &
`
`Vee
`
`
`i operation
`ing P of the coil during s
`Lower Himit value and upper lint value
`
`rgtood 1 § celsius at laboratory temperature, and
`
`
`Stor as an exam
`
`the achial call produced ray
`the system de:
`
`
`be 9.51 0 or 6.48 © due te prac
`ess and consistency limitations, and when the sare voltage
`is input, di
`Hferent output currents will be obtained, as shown in fig. 3,
`
`
`vith
`
`
`ce betweer
`sured cu
`
`deviation of these quantities, the differ
`and assemily .. Bl Ky, And Ry, The
`nVosing L. due te tole
`
`
`
`
`the desian is larae, only 57.88%of accuracy
`
`current $i
`realtime
`the
`a the rez
`ide, BR, can be cbtained by fitting the #
`ita S , is 0.508,
`raulated in
`the acc!2
`
`value is substituted inte ¢!
`ed with the actual measurement current to reac
`racy of $8.15 percent,
`
`
`
`
`be considered to be successful, so that the real-time values of all parameters
`aly achieved, and
`as shown in fi
`
`
`
`
`
`
`
` simul (2) = Gis} su real da Las BR Kay. Rp And
`
`4
`
` nvalue i_ simul (tf); direct te ng of coils to ¢ i real (and rude
`
`
`
`osleulating a current tening
`voltage wu _ res
`
`
`({} to obtain the system accuracy.
`calculating the coincidence ratio between i. simul Mandi.
` 2 ofthe <
`
`Step four obtaining the resHtime tempera
`
`parameter value;
`according ta ine realt
`
`
`
`2g (TF) obtaining the coil temperature TT} 2
`
`rature of the coi! according to the real-time par
`‘
`
`raoment, wherein the caloulation formula of the T(T} is as follows:
`
`
`
`
`
`
`
`
`
`
`
`1724, 6 is a coil resistivity temperature coefficient B =G.004, and T (0) is a coil initia! temperature, Le, an 4
`where © in equation (7)
`is a reference constant C
`
`temper
` aia te
`terns
`
`
`
`of 20°C 6s a refera
`derature
`shue, R, of the co:
`
`sure, T , Taking
`
`
`35)
`ature T 9 {T}
`
`resistance value of the coil at the time of temperature TT)
`
`
`Step five: caleutating the ternipere
`rearorT _ arror (1) between the
`perature TCT) of the oall and the preset termperature T_ Set of the system, controling
`
`
`the heat di
` ve and negative of the T_errer (1),
`
`
`neat cissipation system by judging the a
`pation strength aft
`if T_ error (1) is positive, controling the
`
`
`neat dissipat
`: to accelerate the heat dissipation of the coil;
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`10/26
`
`

`

`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`7/12/23, 10:48 AM
`
` ne heat dissipation strength to slow dewn the
`if Terror (7) is negative, contratling
`‘eat dissipation of the coi;
`ho
`athon forrruta of T_ er
`
`
`
`spectioally, the cate:
`
`is as follows:
`
`
`iquid cooling
`mip sa as to change the flow rate of coating liguid of tf
` ne system according te
`vatiage in the caa
`
`
`
`
`according to the variable Cantral _ Uf (+ 1) of the vane gurn
`the vane puna after conversion (6. the next time t+ 1} can
`
`
`
`vivoNy
`
`vere (ED
`
`
`in the formulas (8), (9) and (10), TCT} is the realtime temperature of 4!
`T, 1Set is the preset temperature of the system, T _ errar (7) is the
`
`
`iemper:
`clert in PID als
`t the moment T controlU (T+ 7) is the variation of the Control voltage of the impeller purns, and K , Is a proportionality cast
`age of the vane purrs at the ¢ ent moment, and U_ Cool (+ tis the votlage of
`
` st, Kis dererminedt
`
`sraddition Ky. T,. Tq The vaiue of (a) wilt directly aHect the speed and effect of tempersture contrat
`p Of suitanle K fs The seed of temperature regulation is accelerated; re-determination of T; The steady state error of temperature contro! can be eliminated, finally
`
`
`ican be eliminated.
`dete
`ng T 3 Oscillations during the adiust
`
`When T (7} is isrger
`
`flow velocity of cor
`
`iT Set 7
`.
`:
`rquid of the
`
`
`When T (1is smaiter than T
`
`
`
`
`Set, T _ ercoe {1} ig negative, control _ UC
`lated to be negative, the ieipeller purnp voltage is reduced at the next mament, the
`
`
` eccitis stowed down.
`
`peed of cooling tiguid of the liquid costing systern is reduced, and the heat dissipation aft
`
`
`(Ti is positive, control
`
`Locting systemis accel
`
`
`
`
`
`
`
`
`calculated te ne positive, the impeller pi
`is Increased at the next rr
`U (7 +4
`
`
`arated
`rated, and the hea: dissipation of the coil is aace!
`
`in order to avoid the damage of the impeller pump caused by excessively increasing the voha 8 irapeller pure, the miaxirurnvalue
`
`
`
`of the realtirnie y
`imoeller purng, idaing wh
`age of the imoelier puro reaches the maxinium vaive under the candition that T_ errar (1)
`
`e voltage is set for the
`is positive,
`
`
`
`fthe current 1of the previcus pulse is carmpressed to obtain a
`if $a, according te defaultResistance value R. Set and current res
`nee value Ry {tithe
`
`
`
`
`ops +t},
`
`
`
` the next pulse; acre! (s) and the compressed ourre:arse G of the transfer function at that time “'compressed currenti.cps (t+ 1) of
`
`
`tof the nex
`$e outpul power supaly to reduce the heating power and the coll temperature of the systern, wherein:
`
`calculating the compressed vollage u_ ops
`
`
`
`
`
`
`
`(#4)
`
`
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`11/26
`
`

`

`7/12/23, 10:48 AM
`.
`(12)
`
`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`
`¢
`
`the rin the forrsulae C11) arid C12) . (0) is the currert rasistarice of the system, Gis} is
`lempe: € aquebratio compression
` output pawer
`
`
`
`
`experimental
`
`put vattage of the invention are
`
`
`obvicusly impre
`
`quency demain: the curves obtained by the experiment ar
`ity coefficient of 1GHz at iow fraguericy
`
`
`
`is increased froca 1 10 1.19, namely the intensity coefioient is TOOG
`Sav andis increased ta 1.19, namelythe :
`ootficient is T144.2V, andis increased by 19
`efficient of 9.14 io the intensity coefficient of 0.39, namely 285%, and is increased by 178%: greatly
`is increased from theinten
`
`
`
`
`(1) carnparison data of original scheme and full frequency dornain intensity coefficient of the invention
`
`https://patents.google.com/patent/CN 115639868A/en?0q=CN 115639868A
`
`12/26
`
`

`

`7/12/23, 10:48 AM
`
`CN115639868A - Self-adaptive temperature control method, device and system for magnetic stimulation device - Google Patents
`
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