Jiro Hattori
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  • Kanagawa-ken
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Jiro Hattori's Groups

Jiro Hattori's Discussions

Life size X8 is not stable

Started Nov 11, 2014 0 Replies

Here is a thread in Japan ArduCopter Group.APM powered X8 has more than 176Kg total thrust.Actually,…Continue

 

Jiro Hattori's Page

Latest Activity

Jiro Hattori replied to Jiro Hattori's discussion ESP8266 mesh WIFI in the group Japan ArduCopter Group
"添付のLink から ”Transparent Bridge FW”をESP8266 にインストールしたところ、ESP_XXXXXと言うアクセスポイントが、表れました。 Note PCから、ポート23で接続(初期は、パスコード無し)出来るのですが、IDとパスワードを聞かれる始末で、MAVLinkからの接続出来ませんでした。 Wifi接続とIP付与は、されているようなのですが、Mission Planner…"
yesterday
Jiro Hattori replied to Jiro Hattori's discussion Mission Planner 日本語化プロジェクト in the group Japan ArduCopter Group
"ガビョ~ん! Copter で、50%完了したのに、凄く変更されちまったorz。"
Monday
Jiro Hattori commented on Chris Anderson's blog post Sony's VTOL drone first flights
"Here is machine translation of Japanese PC news site. It looks like fly with 3DR flight controller! The first time, vertical take-off and landing (VTOL) type of drone that it is possible to make use of the advantages of helicopter and airplane both…"
Aug 26
Jiro Hattori replied to chibaron's discussion 920M無線モジュール(ZRF920ファーム)開発中 in the group Japan ArduCopter Group
"Mission Planner から3DRラジオと同じように見えると、最高ですが、WifiやBluetoothのように土管でも良いのでしょうね。 1) 3DR ラジオ的には、RSSI, ECC, LBT, AT-command... 2) アプリケーション的には、OSD, Joystick 3) 高度なアプリケーション的に、   * Swarming…"
Aug 26
Jiro Hattori replied to chibaron's discussion 920M無線モジュール(ZRF920ファーム)開発中 in the group Japan ArduCopter Group
"良い感じですね。 57.6Kと少し遅めですが、920MHzなら2.4GHzとの混信の心配が無ので、Bluetoothや2.4GHzWifi より良いと思います。 最後に、MAVLinkとの互換性->Mission planner との互換性の確認が取れれば、違法3D-Radio不要?(私は、不使用ですが。。) "
Aug 25
Jiro Hattori replied to chibaron's discussion 920M無線モジュール(ZRF920ファーム)開発中 in the group Japan ArduCopter Group
"STD-T108準拠とのことですが、混信対策やキャリアセンスと、パケットサイズの関係とかどんな感じでしょうか? Software 的に、どんな工夫をしているのか等を、お聞きしたいですね。 ->本音は、ハードを弄らないと、技適はオッケーと見做せる!? その他に、ATコマンド対応かGUI風の設定アプリ等の存在とか。。。 "
Aug 25
Jiro Hattori commented on Chris Anderson's blog post Sony's VTOL drone first flights
"Here is some detail report. You can see three ducted fans on each end. http://news.mynavi.jp/articles/2015/08/24/aerosense/ "
Aug 24
Jiro Hattori replied to Randy's discussion Copter-3.3 beta testing
"I've just flew new Octa-quad by rc9. It looks no terrible things happening with not tuned Octa-quad in windy condition;-) Thank you dev. team!"
Aug 22
Jiro Hattori replied to Jiro Hattori's discussion ESP8266 mesh WIFI in the group Japan ArduCopter Group
"ESP-WROOM-02を、SoftAP モードにして置けば良いのかな? Quad Copter にタブレットが、接続しに行くとか。。"
Aug 15
Shinji Uemura replied to Jiro Hattori's discussion ESP8266 mesh WIFI in the group Japan ArduCopter Group
" 先日のMakerFaireで,このモジュール見かけて気になってました. 700円程度と,なかなか魅力的な値段ですね. 機体側にこのモジュールを搭載して,ノートPCやタブレット内蔵のWiFiで受けて MissionPlannerのTCP接続で読めればよさそうですね. 地上局でXBeeとかみたいに外付けする必要もなくなりますし."
Aug 15
Jiro Hattori added a discussion to the group Japan ArduCopter Group
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ESP8266 mesh WIFI

ESP8266をTera Term で繋ぐために、こんな感じのテストベッドを作りました。ハード的に必要なのは、3.3Vの電源(200mA以上)とENのプルアップのようですが、firmware書込み用ジャンパーヘッダーもモジュールの下に設けてあります。本題については、eriksl/esp8266-universal-io-bridgeを試そうとしたのですが、???。https://github.com/eriksl/esp8266-universal-io-bridgeそこで、esp8266 mesh…See More
Aug 15
Jiro Hattori commented on Randy's group Japan ArduCopter Group
"格好の良い青いモックアップと違って、この機体(車体)の方ですか? 以前の怖い状況と異なって、調教されたんでしょうね。 "
Aug 10
Jiro Hattori replied to Jiro Hattori's discussion Mission Planner 日本語化プロジェクト in the group Japan ArduCopter Group
"やっぱり、バベルの塔ですねぇ Copter 50%目標だったのですが、他に膨大な変更が! "
Aug 10
Jiro Hattori replied to hito.y's discussion Pixhawkでの墜落 in the group Japan ArduCopter Group
"当方のシンクエラーの条件に近い、プロペラとモータのようにも見えます。 FoxtechのS4016-KV380…"
Aug 7
Jiro Hattori replied to hito.y's discussion Pixhawkでの墜落 in the group Japan ArduCopter Group
"モーターの写真を探して見ましたが、確かにシンクエラーを起こしているかも知れません。 MultiStar の4108-600でSymonKやBLHeliシンクエラー気味だったことが、あります。 回転音とか、如何ですか? また、プロペラのサイズとの関係も見受けられます。 EKF のエラーとか出ていませんが、振動単独のチャートとRol-in とRoll-out のように指令と出力のチャートを、載せてください。"
Aug 7
Jiro Hattori commented on Randy's group Japan ArduCopter Group
"空飛ぶクルマ計画は、こんな所で進んでいたんですね~ http://zenmono.jp/projects/76/posts "
Aug 5

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 18 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…

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…

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,
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..

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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