Jiro Hattori
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  • Kanagawa-ken
  • Japan
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Latest Activity

Jiro Hattori replied to Hiroki Iyooka's discussion Loiterで移動 in the group Japan ArduCopter Group
"ちゃんとした説明は、こちらです。 http://copter.ardupilot.com/wiki/poshold-mode/"
12 hours ago
Jiro Hattori replied to Hiroki Iyooka's discussion Loiterで移動 in the group Japan ArduCopter Group
"各モードは、こんな感じです。  - Alt Hold:       高度維持のみ、XY 方向の位置の保証なし  - Loiter:      XYZの位置の保持  - Position Hold: 高度維持とXY 方向の位置の保持、XY 方向のStick 入力可 以上の理由で、Position Hold に集約されると思います。 Alt Hold は、Auto Tuning…"
13 hours ago
Jiro Hattori commented on Dan Murray's blog post Project Wing: Google Reveals It Has Been Working on Drones for Two Years
"@Hugues, I am just afraid our key developers may sign up here;-) Other than that, we need to have(or develop) common platform for exotic air frame such as Tail Sitters, SingleCopter and CoaxCopter; not to wait to supply from Hobby King."
Friday
Jiro Hattori commented on Dan Murray's blog post Project Wing: Google Reveals It Has Been Working on Drones for Two Years
"Nice, but we have vertiKUL:-) Thanks to team at University of Leuven."
Friday
Jiro Hattori replied to Hikaru Otsuka's discussion コンパス状態がbadから改善しない Compass health is always bad in the group Japan ArduCopter Group
"最初のコンパスは、電源等の干渉を著しく受けていたのでしょう。 外部コンパスを使っている思うのですが、内部コンパスをDisableにできていなかったが、原因のような気がします。"
Aug 22
Jiro Hattori replied to kazuaki F's discussion CONNECT出来ません in the group Japan ArduCopter Group
"配線等のわかる設定状況の写真を、載せて頂けませんでしょうか? Device Manager のシリアルポートが映った画面コピーも、よろしくお願いします。"
Aug 20
Jiro Hattori replied to kazuaki F's discussion CONNECT出来ません in the group Japan ArduCopter Group
"”USB Driver for APM 2” のインストールをしましたか? http://ardupilot.com/downloads/?did=19 Windws のコントロールからDevice Manager で、シリアルポートの確認をしてください。 接触不良気味なケーブルやコネクタですと、通信できません。"
Aug 19
Jiro Hattori replied to Jiro Hattori's discussion VR Brain Micro 5 in the group Japan ArduCopter Group
"ホビキンのUblox Neo-7M GPS は、コネクタ交換が必要なようです。  ハウジング交換でも対応可能ですが、端子も交換した方が良いようなので、DF13コネクタをRSコンポーネントで入手。 PA-09による圧着は、良く見えないくらい細かい作業ですが。。"
Aug 16
Jiro Hattori commented on Bill Isenberger's blog post Ublox Neo-7M GPS with Compass and Pedestal Mount
"It might be needed to activate GNSS when you try to use GLONASS by u-Center. I tried but no significant change, may be low sensitivity:-("
Aug 12
Jiro Hattori replied to Hiroki Iyooka's discussion CONNECTでモーターフル回転 in the group Japan ArduCopter Group
"R/Cの電波が途絶えたのでFail Safe のRTLが、起動したような感じですね。 この場合、4)の直後にRTL起動なのですが、5)と6)の手順を踏んでの暴走ですか?-> ”謎” 4)の前にLiPoを外すのは、常識の範囲ですが、何が原因でしょう???"
Aug 12
Jiro Hattori replied to Jiro Hattori's discussion VR Brain Micro 5 in the group Japan ArduCopter Group
"VR Brain Micro は、イタリアのFoxteam UAV clan の製品です。  http://www.virtualrobotix.it/index.php/en/shop/autopilot/vrbrainmicro51-detail Pixhawk互換で、Mission Planner…"
Aug 11
jpsue replied to Jiro Hattori's discussion VR Brain Micro 5 in the group Japan ArduCopter Group
"セッティング情報大変参考になります。 私は230mmのミニクワッドの振動対策を試行錯誤していますが、 バイブレーションフィルターを使わないと振動でジャイロ強度を上げられず、 うまくいかない状況が続いています。 P:0.0300,I:0.0500,D:0.0022で飛ぶには飛ぶのですが満足のいく安定感はありません。 (フィルターはデフォルトの20Hzでも測定高度が上下してしまうので、今は5Hzに しています) VR-Brain…"
Aug 10
Jiro Hattori commented on Bill Isenberger's blog post Ublox Neo-7M GPS with Compass and Pedestal Mount
"Hi Rob. Actually, it can easily change configuration by ublox software. The reception sensitivity of this module is not good like 3DR ublox LEA-6H on VR Brain micro. The original configuration file from 3DR is too old. Do you have any idea of…"
Aug 10
Jiro Hattori commented on Bill Isenberger's blog post Ublox Neo-7M GPS with Compass and Pedestal Mount
"Please confirm "Pre-configured 38,400 Baud and prams". The one I have got was configured as 9,800 bps:-("
Aug 10
Jiro Hattori replied to Jiro Hattori's discussion VR Brain Micro 5 in the group Japan ArduCopter Group
"このセッティングで、とても良い感じです。  プロペラも変えたことも有りますが、今迄で一番安定しているカモ? Flight Controller と機体のサイズ感は、やはり存在すると思います。"
Aug 8
RYUICHI YOKOYAMA replied to Jiro Hattori's discussion VR Brain Micro 5 in the group Japan ArduCopter Group
"px4系のコンパチコントローラーも色々発売され始めてうれしいですね。 もうそろそろAMP系も終わるのかな? どうだろう"
Aug 6

Profile Information

About Me:
Enthusiast for machine and electronics and computer
Please tell us a bit about your UAV interest
http://aeroquad.at.webry.info/
Hometown:
tokyo

Jiro Hattori's Blog

Smartphone Case N

Posted on December 5, 2013 at 3:00pm 15 Comments

HONDA is introducing "Smartphone Case N" that has small six air bag to protect Smartphone in the case.

Sorry, the video is Japanese.  Followings are some essence;

The engineer is start development this case by his loss of his own smartphone, drop and damage.

He start drop test and found the critical height of damaging phone…

Continue

EMC Shielding for ArduCopter3.0

Posted on June 25, 2013 at 5:40am 36 Comments

The EMC shielding material reduce magnetic interference that is good to ArduCpoter3.0.

Measurement of magnetic interference becomes half by 60micron meter low-loss,high permeability nano-crystalline material.

Without magnetic shield…

Continue

How should we dealing with Li-ion Battery for flight safty?

Posted on January 17, 2013 at 2:55pm 16 Comments

As you know the Boeing 787 has been grounded by caught fire on the Li-ion battery.

It looks like Japanese battery may have some issues on this incident:-(

You might reminded some laptop PCs caught fire by its Li-ion battery, few years before.

It is ironic to the restriction of…

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Japanes security firm introduces Quad UAV

Posted on December 26, 2012 at 5:30pm 4 Comments

SECOM is Japanese home & business security services provider.

They are introducing Quad UAV to support their business.

The security UAV is based on Ascending Technologies GmbH by ASCII.jp.

SECOM will provide this UAV as rental…

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Comment Wall (4 comments)

At 5:27am on March 31, 2011, Whooper said…

Konbanwa!

What do you fly and is your field close to Tokyo? I'm located in Meguro and mainly into UAV aircraft, although just started to fly a KKmulticopter.

rgds

William

At 5:49am on March 31, 2011, Jiro Hattori said…

I'm living in Atsugi. It looks like lots of space to fly air craft in Atsugi. However, there are very few places to flay.

This is my main frustrated issue. You can visit my web site. It is some sort of language translation web site. http://aeroquad.at.webry.info/

At 6:23am on March 31, 2011,
Admin
Gary Mortimer
said…
Thank you very much for helping me find the platform
At 7:50am on August 24, 2011,
Developer
Randy
said…

Jiro, thanks for the suggestions on demonstrating the heli in Tokyo.  I might give that a try at the Tokyo Institute of Tech.  I guess the make fair is at the ookayama campus.  I'll ping you when I'm getting close to being ready..

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