Yoshi Minagawa
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Solve a problem for the first time
Awarded to Yoshi Minagawa on 03 Aug 2021
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Awarded to Yoshi Minagawa on 19 May 2021
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Content Feed
Solved
Solve a System of Linear Equations
*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...
4 meses ago
Solved
Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...
4 meses ago
Solved
Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...
4 meses ago
Solved
Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...
4 meses ago
Solved
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
4 meses ago
how to add rising edge clk like this in stateflow?
Hi Le, You can add the rising edge port on chart block as below. 1. Set "input event" to the variable type 2. Open "Proper...
4 meses ago | 0
How to adapt a Field Weakening control in the simulink model in a PMSM system?
Hi Varun, Maybe the sample model shown below is useful for you. In the Simscape Electrical library, there is "PMSM Field-Weaken...
4 meses ago | 0
Is there any simple PI controller for Id and Iq current for current control of PMSM motor
Hi Varun, How about the sample model below. It is not so simple model but you can see how to use "Current Controller Block" and...
4 meses ago | 0
Error when using spice model for MOSFET for Basic Buck w/ PI control
Hi Christine, When this error occurs, it maybe is valid to enable the filter of Simulink-PS Converter block. By enabling the fi...
4 meses ago | 0
| accepted
SIMULINK Blue and black components
Hi LightFury, They are the blocks for electrical modeling but different domain blocks, that why you can't connent them directry...
4 meses ago | 1
| accepted
raspberrypi_modbus_masterのモデルをコマンドで起動しようとしてもエラーが出てしまう
小杉様 ご質問ありがとうございます． おそらく、コマンド中のシングルクオーテーション、もしくは括弧が全角となっているために生じるエラーかと思われます． 下記のように半角のものに変更した状態でお試しください． 正：open_system('r...
5 meses ago | 0
| accepted
simulink上でのラズパイとカメラ動作について
AK様 ご質問頂きありがとうございます． ハードウェアとの接続が正しく確立できていない可能性があります．下記の図を参考に正しいIPアドレスが設定されていることなどをご確認頂けますでしょうか． また、シミュレーション実行ボタンではなく、「監視と調整...
5 meses ago | 0
What environment temperature should I collect the step response data under?thanks.
Hi Shawn, I understood that this problem is changing plant dynamics due to plant's temperature and it makes the control difficu...
5 meses ago | 0
Simulink vs Stateflow application for sensor
Hi Hidd, Using Stateflow, you can make Sequence control very easily. (for example, schedulers, fault management systems, and su...
5 meses ago | 0
| accepted
Integration step Issue in Simulink execution
Hi Hugh, Your simulink model might be stiff-model. The stiff model is a difficult model to simulate and the calculation speed o...
5 meses ago | 0
How to split a line in Simulink?
Hi Moritz, I don't know how to delete only the part of the signal line as you mentioned. But you can do the similar thing by th...
5 meses ago | 0
How to change evaluation time of a Matlab Function in Simulink
Hi Fernando, Although I didn't see your model and so I couldn't find the reason of the problem, I described the tips for this p...
5 meses ago | 0
How Can I add feedbacks on control inverted pendulum with LQR?
Hi Oguzhan, The value actually measured and obtained corresponds to Y. Therefore, if you get position and velocity values of th...
5 meses ago | 0
How to use stateflow inside a simulink closed loop?
Hi Moritz, I understood that your question is about the cause of the difference output between the two logics in attached model...
5 meses ago | 1
| accepted
The linearization input/output port specification of the 'statespace_compensation/Bode Plot' block resulted in linear system with a value of zero.
Hi Vasilica, The main reason of this warning is that this model has discontinuous non-linearity. In making not only bode-plot b...
5 meses ago | 0
Model a Torque converter from fundamental equations using standard simulink blocks
Hi Aditya, I think the demo model of "sf_car" will be helpful. (Please enter "sf_car" in the command window.) There is a torque...
6 meses ago | 0
| accepted
Does anyone know how to fix this?
Hi Tony, It seems that different data from expectedis appeared during "first step" in simulation. (Models that do not require c...
6 meses ago | 0
How to build a delta-connected PMSM simulink model or what's the output of PM Synchronous Motor mean 'R' 'C'?
Hello 英奇, Thank you for your asking. First, you should convert R and L in the delta connection to the those in the Y connect...
6 meses ago | 0
regenerate braking of bldc motor
Hello Muhammad, Thank you for asking. For modeling regenerative braking circuit for BLDC motor, the following link (sample ...
6 meses ago | 0
May I know how to solve this error in Simulink?
Please refer to the link below. You could get a hint. https://jp.mathworks.com/matlabcentral/answers/326834-why-am-i-getting-a...
6 meses ago | 0
Simulinkのエラー(line 146)について
エラー表示どおりであれば、simulinkモデル名がMATLABで使用できる命名規則に準じてないことが原因かもしれません． MATLABでは変数名は下記のルールに準じる必要があります 1 ～ 63 文字以内 アルファベット、数値、及びアンダースコアの...
6 meses ago | 0
| accepted
Spectrum Analyzer sample rate.
Hello Paul, Please check the signal type of inport signal connected to Spectrum Analyzer Block. It must be a discrete signal. I...
6 meses ago | 0
Problem with control of IPMSM
Hello Meikel, Thank you for the question. I checked your model. I didn't understand whole of this model, but I found a part th...
6 meses ago | 1
ブラシレスモーターを発電機として利用するシミュレーションはできるか
はい、可能です． ご参考に、簡単な例としてBLDCモーターと三相整流器を用いた電力回生のモデルを作成してみました． モデル右側より、Ideal Angular Velocity Sourceブロックを用いてBLDCモーターを1000rpmで回転する...
7 meses ago | 0
| accepted
状態フィードバックを用いた安定化
通常、極配置法で複数の極を移動させる場合、移動先の極は重複しない値を指定する必要があります．これは以下のドキュメントの注意の箇所にも記載があります． https://jp.mathworks.com/help/control/getstart/pole-...
7 meses ago | 0
| accepted
