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ie3d optimization , circuit optimization , optimization option , cst optimization
46 Threads found on edaboard.com: Optimization ie3d
Hi Jian
Do you have in the ie3d 11. the ability to parameterize the structure for
making fast changes? it also can help us in optimization. and parametric study
of the structure.
Thank you v.m.
PL
Electromagnetic Design and Simulation :: 23.02.2005 18:06 :: plasma :: Replies: 12 :: Views: 1458
The s-parameters are always normalized to 50-ohms in simulation because we want to make the s-parameter file to be compatible with Touchstone. However, you can re-normalize it to other ohms when you display teh s-parameters. When you do optimization, you can optimize s-parameters normalized to other ohms.
Electromagnetic Design and Simulation :: 07.04.2005 20:04 :: jian :: Replies: 3 :: Views: 1035
Hi, mwagner: There are multiple schemes in ie3d to do so. ie3d's default editor MGRID allowsyou to define the locations of some vertices as optimization variables. From the vertices, you can control the shape of your structure. However, MGRID does not allow you to specify the width and length or those high level geometry parameters because (...)
Electromagnetic Design and Simulation :: 11.06.2005 12:18 :: jian :: Replies: 4 :: Views: 1468
Hi Jian,
I tested the latest release of ie3d and tried to optimize a very simple structure with only one variable whose port is of "extension for wave" type. The aforementioned problem still resists. Here is the content of the log file:
----------------------------------------------------------------
optimization Geometry: *:\zel_test\wavep
Electromagnetic Design and Simulation :: 14.10.2005 13:05 :: wave-maniac :: Replies: 15 :: Views: 1543
HI, Winglj: (1) I seems to me your procedure is correct. You are supposed to be able to define a probe location as an optimization variable. Yes. You should select all vertices on all layers for it. This procedure is shown in the Zeland Virtual Training in . (2). Please define the Negative Level at the ground (z=0) and Positive leve
Electromagnetic Design and Simulation :: 04.12.2005 05:27 :: jian :: Replies: 1 :: Views: 1633
is there someone that can give me some help?
how to design variable and optimize it?
best regards!
RF, Microwave, Antennas and Optics :: 29.05.2006 07:42 :: gw_uestc :: Replies: 3 :: Views: 829
(1) ie3d FastEM Design Kit for real-time full-wave EM design:
ie3d FastEM Design Kit allows you to parameterize both planar and 3D structures, perform high accuracy and efficiency ie3d simulations on the structure, and extract the FastEM signature from the simulation results. The FastEM signature allows you to perform real-time EM (...)
Electromagnetic Design and Simulation :: 04.11.2006 18:38 :: plasma :: Replies: 0 :: Views: 696
Hi, Plasma;
Yes. ie3d/MGRID 12.01 has a crashing problem due to an optimization in the code. We turned off optimization for a section of code and it is released in 12.02.
Best regards,
Electromagnetic Design and Simulation :: 27.11.2006 17:03 :: jian :: Replies: 4 :: Views: 1420
Does any people have made a matlab problem which can do optimization and call ie3d to do stimulation??I have great difficulty to do this.Please help!!!It is very important to me.:cry:
Electromagnetic Design and Simulation :: 04.01.2007 03:39 :: Dick_Lee :: Replies: 0 :: Views: 602
Hi
I am simulating a bandpass filter with ie3d9.0. During the optimization with the gap between the coupled resonator cells, ther are much difference between the trend and what I want with the curves of s21 and s11. Total three parameters need to be optimized, which are local parameters. But I wonder How to balance every local parameters in thi
Electromagnetic Design and Simulation :: 11.01.2007 21:32 :: flywke :: Replies: 0 :: Views: 887
I am currently working on simulating a so-called ESPAR antenna in ie3d. The antenna consists of one active element (monopoloe) in the centre of a limited groundplane and 6 parasitic elements (also monopoles) placed in a circle around the active element (in the simulations the parasitic elements are loaded with lumped circuits to adjust the antenna
Electromagnetic Design and Simulation :: 29.01.2007 08:25 :: mengjom :: Replies: 2 :: Views: 1489
Hi, Kbmanick:
I think you need to design and optimize your feed network for it. You should try to use the SIMULATE AND FIND EXCITAITON feature of ie3d/MODUA. It allows you to find the output power at each port of your array. It should be useful for array's feed network and power distribution optimization.
Regards.
Electromagnetic Design and Simulation :: 07.02.2007 11:55 :: jian :: Replies: 3 :: Views: 892
ie3d, ZDS and ZDM Version 12.1
zeland said We are pleased to announce the release of ie3d, Zeland Distributed
Server (ZDS) and Zeland Distributed Manager (ZDM) Version 12.1 for high
performance network distributed EM simulations and optimizations. ie3d,
ZDS and ZDM 12.1 feature:
(1) ie3d FastEM (...)
RF, Microwave, Antennas and Optics :: 02.03.2007 00:05 :: abdoeng :: Replies: 0 :: Views: 1100
Hi,
U can go thr Chapter-5 of ie3d Manual for FastEM Design Kit and Real-Time EM
Tuning, optimization and Synthesis.They have explained it with inset fed Microstrip
patch Antenna.I think this will helpful u.
Electromagnetic Design and Simulation :: 27.07.2007 05:26 :: balaguru thavamani :: Replies: 2 :: Views: 689
Hi,
Can anyone give me a hint for this matters...
currently, I'm designing a multi-frequency patch antenna using ie3d...
I've already got the frequencies, but not good enough...
so I want to improve it using the "optimizations" tools in the ie3d...
what parameters I should set for this purpose?
Thank you in advance,
Electromagnetic Design and Simulation :: 02.09.2007 21:57 :: micro_tech :: Replies: 5 :: Views: 993
Hi, djim:
I checked your structure. The problem is in the connection between the feed line and the elliptical patch. They have only one common vertex but no common edge. They are disconnected.
I have fixed the structure as pcp_r2.geo in the attached files.zip.
I also created a parameterized model pcp_r3.ie3 on ie3dLIBRARY. All the major d
Electromagnetic Design and Simulation :: 10.11.2007 18:11 :: jian :: Replies: 2 :: Views: 766
Hi, sensen9966:
There are multiple ways to control the shape and location of structures in ie3d.
1. MGRID:
MGRID is polygon based editor. You can construct a structure as a set of polygons. You can select some vertices or some polygons and use the EDIT->MOVE command to move the objects or change the shapes.
You can also define the sele
Electromagnetic Design and Simulation :: 14.11.2007 11:02 :: jian :: Replies: 2 :: Views: 702
hi,
i downloaded ie3d evaluation copy frm and tried to simulate a stacked patch antenna. i can run simulation.but when i define some variable for optimization(say patch length) and give for optimization shows some error..saying...this process type is not optimization.
kindly help me sort out this prob.
with regards
abhi
Electromagnetic Design and Simulation :: 13.12.2007 06:07 :: abhi_kolkata :: Replies: 2 :: Views: 693
Does any people have made a matlab problem which can do optimization and call ie3d to do stimulation??I have great difficulty to do this.Please help!!!It is very important to me.
Electromagnetic Design and Simulation :: 28.02.2008 14:38 :: alireza76 :: Replies: 0 :: Views: 760
Hi, rf-en:
You may not be able to optimize the height on the polygon based editor MGRID. However, you can do it on ie3dLIBRARY. You can do sophistiicated parameterization and optimization on ie3dLIBRARY. By the way, you should upgrade to ie3d 14. The ie3d 14 has integrated layout editor, visualization and (...)
RF, Microwave, Antennas and Optics :: 24.03.2008 21:38 :: jian :: Replies: 1 :: Views: 622
i am implementing a u-slot in my paper and after that a trough-slot shaped patch can any help hoe to do i ie3d
Also what optimization can be done
can u give me any u-slot ie3d files
RF, Microwave, Antennas and Optics :: 14.02.2009 11:21 :: Gautam Varma :: Replies: 10 :: Views: 1246
Hey friends
I am working on the optimization algorithms , and I try to use the ie3d to optimize antennas, How I can read and write the sim and geo files of ie3d by matlab?
Thanx in advance
Regards
Electromagnetic Design and Simulation :: 19.04.2009 17:27 :: Gubran2006 :: Replies: 0 :: Views: 1162
Hi all,
I m using ie3d to optimize chamfer bends at a particular frequency. In KC gupta's book on microstrips some relations have been given for optimum chamfering of microstrip bends. These relations are dependant only on width and height, but not on length of arms. But i noticed that by changing the length in ie3d, the graph of s11 vs frequency
RF, Microwave, Antennas and Optics :: 04.06.2010 16:06 :: Nischey :: Replies: 8 :: Views: 1513
i want to know what is Powel optimizer and E.M.optimization In ie3d.and how can i use it.
i have design a sqaure patch which has two slots. i m getting two frequencies 1st is 2.4298,return loss(-13.86) and 2nd is 3.2 return loss(-8.84).i want to use powel optimizer and E.M. optimizer on how can i use it plz guide me
RF, Microwave, Antennas and Optics :: 14.11.2010 08:19 :: sachin_ccs11 :: Replies: 0 :: Views: 362
dear all
i m facing some problem in optimizing the resonant frequency of a coaxially feeded microstrip antenna using Powel Optimizer in ie3d simulator. anybody can tell me........................
i hv already varified the optimization of the resonant frequency of a microstrip line feeded microstrip antenna using Powel Optimizer in ie3d
Electromagnetic Design and Simulation :: 22.06.2011 02:58 :: ktaimoor :: Replies: 0 :: Views: 612
Respected all,
Hello.
I am designing a stacked and slotted antenna using ie3d. the same structure when i simulated with FEM based HFSS, gave me four resonances, the result of ie3d is also giving me four resonant points, but the problem is that the RL at two of the four frequencies is less than (above) -10dB. So i decided to assign the probe fee
RF, Microwave, Antennas and Optics :: 04.08.2012 14:01 :: ashish.mw :: Replies: 1 :: Views: 350
It seems to me that Sonnet and MWOffice give the same results when the circuit fits into a uniform rectangular grid. The main difference between these two is Sonnet provides a "diagonal fill" for irregular geometry, but this doesn't always improve the accuracy. Sonnet also offers some optimization features--sweeping some geometry parameters automat
Electromagnetic Design and Simulation :: 21.01.2003 23:17 :: loucy :: Replies: 42 :: Views: 9112
Anyone has expeniences in using genetic to built or design antenna??
Is GA is useful??
Moreover anyone know how to do the optimization in ie3d??
I mean write your own GA program to call ie3d to do the optimization or draw random structure ??
RF, Microwave, Antennas and Optics :: 19.01.2003 00:54 :: ppAntenna :: Replies: 2 :: Views: 1032
Thank you,eirp!
Can ie3d do further optimization?Because the performance doesn't meet the requirement.
Hi, STD!
Of course, it can!!
What are exactly the requirements? Results above doesn't meet it?
Regards,
eirp
Electromagnetic Design and Simulation :: 02.01.2004 11:31 :: eirp :: Replies: 15 :: Views: 1182
Hi, max!
Why you simply don't perform an optimization (for example in ie3d?)??
Your project has a low degree of freedom, you'll get answer quickly!!
Regards,
eirp
RF, Microwave, Antennas and Optics :: 02.04.2004 17:06 :: eirp :: Replies: 19 :: Views: 1882
Zeland's FilterSyn is another powerfull tool. synthesis is based on genetic optimization, and results is with 1E3D IE MoM core, one of the best in the market.
marti
RF, Microwave, Antennas and Optics :: 31.05.2004 11:53 :: mamali :: Replies: 5 :: Views: 1026
Hi, Oggi: I would suggest you to try to optimize your element and 4-patch array using infinite ground plane first. Input impedance is normally not affected by the size and shape of the antenna much. You can optimize it to get good match first. ie3d has built-in optimizers to help you optimize antenna perforamnces (S11, Z, or even pattern parameters
RF, Microwave, Antennas and Optics :: 12.09.2005 11:36 :: jian :: Replies: 5 :: Views: 1334
Hi,
new version of this wonderful software is just released
Some of the highlights include:
- 3D Graphs
- Edit-in-place for layouts
- Support for multi-element editing
- New extraction/optimization methodology for EMSight
- New bondwire model and many other new models
- Integration of Zeland's ie3d in the EMSocket
- Muc
RF, Microwave, Antennas and Optics :: 09.11.2004 05:42 :: flyhigh :: Replies: 2 :: Views: 1532
Hi,
I think your main mistake (which is very common actually) is that in HFSS in case of Microstrip lines, the port size changes the results. So you must adjust the port size to get an input impedance of 50 ohms, which is actually not a very pleasant task. also you should check the convergence and increase the maximum number of passes in case o
RF, Microwave, Antennas and Optics :: 19.03.2005 12:56 :: adel_48 :: Replies: 21 :: Views: 5690
hi Adel_48
Hi,
You may try to use ie3d with corners as variables, then use its built in optimization routine to get the best design.
BR
Adel_48
if i want to use my own GA program, can ie3d can be embeded in my program?and if i want to optimize more parameters, can i use ie3d built-in (...)
RF, Microwave, Antennas and Optics :: 19.04.2005 03:51 :: cybcad :: Replies: 3 :: Views: 694
Hi
I have a suggestion for you.
for a microstrip filter Microwave Office,CST,ie3d are good choice for comfortable and fast optimization.
but they are not accurate.of course CST is better in some extent.
on the other hand HFSS is very accurate but time consuming.
A good approuch is to primerily analyse and optimize your structure with faster so
RF, Microwave, Antennas and Optics :: 01.05.2005 12:17 :: mahdithdn :: Replies: 7 :: Views: 1023
Hi,
I beleive that ie3d is a good choice for printed antenna, for construction a printed antenna, after simulation and optimization, you must to export your antenna layout in dxf or dwg format then after any required modification in AutoCAD, you can send it for preparing photoplot and etching on PCB.
Regards
KMPA
Electromagnetic Design and Simulation :: 22.12.2005 08:16 :: KMPA :: Replies: 3 :: Views: 826
JIan ,Thanks for you advices
Maybe I can calculate the current distribution from the optimization and the null position. It the best method I think.
Regards ! caocao
RF, Microwave, Antennas and Optics :: 08.01.2007 09:29 :: caocao :: Replies: 4 :: Views: 688
What do you mean mim modeling? Do you mean MIM capacitor modeling. MIM capacitors are a kind of structures encountered much in MMIC and RFIC. MIM capacitors are tough to model. You can use ie3d for high accuracy and high efficiency results for MIM capacitors as well as spiral inductors. You also even use it for a real-time EM tuning and optimizatio
RF, Microwave, Antennas and Optics :: 24.09.2007 11:17 :: jian :: Replies: 1 :: Views: 540
i work on dsg with ADS momentum. its not 3D but serves the objective, optimization and tuning is possible as well. no idea about others
Electromagnetic Design and Simulation :: 30.11.2007 07:33 :: mfarhan1 :: Replies: 1 :: Views: 644
Hi there,
I am using ie3d to simulate a antenna design. My design is parameterized in ie3dLibrary for optimization purposes. However if I want to simulate the circuit with a finite dielectric plane, I have to export the design into MGRID and then manually change the design so it represents a finite dielectric.
Is it possible to (...)
Electromagnetic Design and Simulation :: 29.02.2008 01:18 :: ie3duser :: Replies: 3 :: Views: 752
I want optimize multiband antenna (filter) to many various frequencies. How can I do that, or what optimization goals I must set up. i want this work in ie3d software.
Electromagnetic Design and Simulation :: 17.05.2008 14:57 :: sahar20 :: Replies: 2 :: Views: 665
Good Day everyone, I'm from Malaysia and currently doing a project on:
"optimization of Microstrip Patch Antenna Using Particle Swarm optimization"
i have done the literature review on PSO and pratical training, doing exercise on antenna design using ie3d.for ie3d antenna design software i still can handle it, but for (...)
RF, Microwave, Antennas and Optics :: 15.09.2008 12:52 :: technetium :: Replies: 1 :: Views: 674
Good Day everyone, I'm from Malaysia and currently doing a project on:
"optimization of Microstrip Patch Antenna Using Particle Swarm optimization"
i have done the literature review on PSO and pratical training, doing exercise on antenna design using ie3d.for ie3d antenna design software i still can handle it, but for (...)
Electromagnetic Design and Simulation :: 15.09.2008 13:29 :: technetium :: Replies: 5 :: Views: 1456
Parallel Processing of Powell?s optimization
Algorithm and its Application to Design of Multi-
Way Power Dividers
Mitsuyoshi KISHIHARA*, Kuniyoshi YAMANE*, and Isao OHTA**
See this IEEE paper.
They have shown how to make it
RF, Microwave, Antennas and Optics :: 10.11.2008 00:13 :: Abhishekabs :: Replies: 5 :: Views: 1441
If you are not doing optimization, the best way to generate such a structure is to use the .3DT format documented in the Appendix. You can use Excel, Mathlab or whatever software to create the pattern of shapes and import it thru .3DT format. It is very simple.
If you want to define the size as optim variable, then you will need to use ie3dLIBR
RF, Microwave, Antennas and Optics :: 18.12.2008 00:48 :: jian :: Replies: 12 :: Views: 1050
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