Jiro Hattori
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  • Kanagawa-ken
  • Japan
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Latest Activity

Jiro Hattori replied to murata,katsutoshi's discussion ArduPilotは「組み込みソフト」、だったら保守性や品質をあげていきたい。 in the group Japan ArduCopter Group
"頑張っていますね。 ご存じのようにPixhawk本体とpx4flowは、既にDisconの風情です。  Pixhawk2と並行してSolo用のOptical Flow Sensor(px4flowの改良品)が、開発中なようなので、ネタをお知らせします。 詳細は、”Optical flow on Solo” http://discuss.ardupilot.org/t/optical-flow-on-solo/8756 です。 CANBUSになるのかなぁ? "
Sep 10
Jiro Hattori replied to 虎汰狼's discussion AutoTuneについて教えてください。 in the group Japan ArduCopter Group
" "
Sep 3
Jiro Hattori replied to 虎汰狼's discussion AutoTuneについて教えてください。 in the group Japan ArduCopter Group
"Flight controller と ArduCopter の機種・バージョンを、お知らせください。 普通にAltHoldで飛んでいられる機体の状態ですか?"
Sep 2
Jiro Hattori commented on Randy's group Japan ArduCopter Group
"Randyさん、JapanDronesの方に発注のメール致しました。 よろしく、お願いします。 そうですね、お陰でFacebookを復活させてPixhawk2 on Facebook にも、出かけています。"
Sep 1
Jiro Hattori replied to Isamu Yamashita's discussion QGroundControlに地理院地図を追加 in the group Japan ArduCopter Group
"何気に凄いです。 業務に使用されそうですね。"
Sep 1
Bingo Hiroki replied to Jiro Hattori's discussion Futaba 920MHz Telemetry in the group Japan ArduCopter Group
"思ったのですが、フロー制御を使う方法はどうでしょうか? Pixhawkに繋がるケーブルが6ピンコネクタなのに5ピンまでしか繋がっていないので、今すぐにはテストできないですが。"
Aug 23
Bingo Hiroki replied to Jiro Hattori's discussion Futaba 920MHz Telemetry in the group Japan ArduCopter Group
"お返事ありがとうございます。 Hattoriさま やはりどう試してもパケ詰まりが起きているのですね。 三輪さま 相性が悪いのですか・・・。 お手数ですが双葉さんについてよろしくお願い申し上げます。 海外では3Gや4G回線を使ってテレメトリーにしている例もありますが 思ったよりも通信が早くてこっちのほうがいいかもしれませんね。 国内ではまだ飛行してはいけませんが。"
Aug 22
Jiro Hattori replied to Jiro Hattori's discussion Futaba 920MHz Telemetry in the group Japan ArduCopter Group
"既存の業界が主導の920MHzの規格ですから、転用困難だったと言うことですかねぇ~? ”AMIMON CONNEX mini 5.8GHz Digital Video Downlink”は、技術適合ですが、飛行禁止とか。。 http://www.hitachi-hightech.com/hsl/products/ict/image/connexgrand.html/"
Aug 22
Masafumi Miwa replied to Jiro Hattori's discussion Futaba 920MHz Telemetry in the group Japan ArduCopter Group
"三輪です。 すっかり忘れてました。すみません。 双葉さんのほうでもいろいろ試していただいたのですが、 結論としては、MavLinkのプロトコルが、有線を前提としたような形式になっているため、 920MHzの方式とは相性が悪く、むずかしいとのことでした・・・ 残念・・・ で、水曜日に双葉さんいくので、再度聞いてみますね。 "
Aug 22
Jiro Hattori replied to Jiro Hattori's discussion Futaba 920MHz Telemetry in the group Japan ArduCopter Group
"双葉電子工業によるヘッダーレス・パケット送信モードの例が、こちらに出ています。 http://www.futaba.co.jp/industry/industry_module/fep01/setting その設定でもトライしたのですが、Bingoさんのようにパケット詰まりで使えませんでした。 別件ですが、エンルートさんの新店舗で、”RM-92A…"
Aug 21
Bingo Hiroki replied to Jiro Hattori's discussion Futaba 920MHz Telemetry in the group Japan ArduCopter Group
"ようやく自作基板でFEP01を載せられて動作確認ができたので、こちらのスレッドを参考にPixhawkで使えるようにしているところです。 Miwaさまが投稿された、FEP01最適化パラメータ.pdfを基にパラメータ変更(FEP-01 2台に)したのですが Mission…"
Aug 21
Jiro Hattori replied to JDC KK's discussion アンドロイド系 Andropilot について in the group Japan ArduCopter Group
"DroidPlanner 2 や Tower(Beta)を使っています。 https://play.google.com/store/apps/details?id=org.droidplanner&hl=ja 現在は、Bluetooth やWiFi接続ですが、xBeeをOTG経由で使ったこともあります。"
Aug 17
Jiro Hattori commented on Chris Anderson's blog post Intel announces new Aero drone development board based on Dronecode PX4 software
"Intel Aero Platform is a UAV specific development platform is here. https://github.com/intel-aero I do not understand why they will not ship those kit other than north America. "
Aug 16
Jiro Hattori commented on Randy's group Japan ArduCopter Group
" Pixhawk2 Suite $238で、受注開始? http://www.proficnc.com/en/system-kits/31-pixhawk2-suite.html 日本のDistributerは、何処か手を上げてくれたのでしょうか?"
Aug 16
Jiro Hattori commented on Randy's group Japan ArduCopter Group
"T10JとR3008SBでRadio ErrorでRTL発動しました。 違法電波による混信かな~ 至近距離での操縦なのですが。。。"
Aug 13
Jiro Hattori replied to Tetsuo Yamamoto's discussion GPSゴーストによる暴走 in the group Japan ArduCopter Group
"26分にクラッシュしていますが、コンパス異常が25分に出ていますね。 EKF3.INVも下図のように25分に最大値付近に見えます。 GPS speedも25分に異常値が、見えますね。 これが、”突然左に。。”なのでしょうか? 如何でしょう。 ところで、このテストロケーションは、以前仰っていた学校跡ですか? "
Aug 3

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

Two hour and 12 minutes flight by PEM fuel cell

Posted on March 19, 2015 at 4:00am 19 Comments

This is really great accomplishment:-)

Montreal, Canada: EnergyOr Technologies Inc., a leading developer of advanced PEM fuel cell systems, recently demonstrated what are believed to be the world’s first fuel cell powered and longest ever duration multirotor VTOL UAV flights, flying for a record 2 hours, 12 minutes and 46 seconds.

http://www.energyor.com/news/post:28…

Continue

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…

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EMC Shielding for ArduCopter3.0

Posted on June 25, 2013 at 5:40am 37 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…

Continue

Comment Wall (6 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,
Moderator
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..

At 1:41pm on November 25, 2014, Gary Elias Dimas Flores said…

Hi Jiro, I have an issue regarding the use of xbee with pixhawk, I'm using xbee as follows, 

but I´m still having problems. I write the next program to try send some data but I don't get any positive results.

#include <AP_Common.h>
#include <AP_Math.h>
#include <AP_Notify.h>
#include <AP_Param.h>
#include <AP_Progmem.h>
#include <AP_InertialSensor_MPU6000.h>
#include <AP_InertialSensor.h>
#include <AP_ADC_AnalogSource.h>
#include <AP_ADC.h>
#include <GCS_MAVLink.h> // Rediculous dependency to AP_InertialSensor_MPU6000
#include <DataFlash.h> // Rediculous dependency to AP_InertialSensor_MPU6000
#include <AP_GPS.h>

#include <AP_HAL.h>
#include <AP_HAL_AVR.h>
#include <AP_HAL_AVR_SITL.h>
#include <AP_HAL_PX4.h>
#include <AP_HAL_Empty.h>

const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER;

AP_HAL::AnalogSource* ch;
AP_InertialSensor_MPU6000 _INERT; // MPU6050 accel/gyro chip

void setup (void) {
hal.uartA->begin(115200); // USB
hal.uartC->begin(57600); // RADIO

_INERT.init(AP_InertialSensor::COLD_START, AP_InertialSensor::RATE_100HZ);
}

void loop (void) {

hal.uartA->write("start \n");
hal.uartC->write("m");
hal.scheduler->delay(20);

}

AP_HAL_MAIN();

Do you have an idea of what is happening?

Thank you in advance.

Regards.

At 3:33pm on November 25, 2014, Jiro Hattori said…

Hi Gary

Do you have good communication through Mission Planner by your setup?

Please separate an issue for hardware or your software.

regards,

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