Jiro Hattori
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  • Kanagawa-ken
  • Japan
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Latest Activity

Jiro Hattori replied to benbojangles's discussion Companion: Pi2 in the group Companion Computer Working Group
"benbojangles, cool :-) It is not cool very few people around here."
Sunday
Jiro Hattori replied to Simon L.'s discussion Pixhawk 2.4.8 from Bangood - not working as expected in the group PIXHAWK
"I am almost purchasing "Px4Pilot" from HK. It looks like identical for both Pix flight controllers. There are several missing part from original Pixhawk of 3DR. The attached picture from RC group. …"
Saturday
Jiro Hattori commented on Randy's group Japan ArduCopter Group
"都内でドローン: 「ミズノスポーツプラザ千住」では、屋内のフットサルコートをドローンの飛行目的で借りられる。平日ならビジター料金で10〜12時が7560円/1H、12〜19時が9720円/1H、19〜23時が1万5120円/1Hで、土日祝も1万5120円/1Hで利用できる。 日経コンピュータ IT-PROより http://itpro.nikkeibp.co.jp/atcl/column/14/255608/041900188/?ST=management&P=1 "
Apr 22
Jiro Hattori commented on Randy's group Japan ArduCopter Group
"APMの設定については、こちらを参考にしてください。 大半の問題点の回答になります。 http://www.enroute.co.jp/manual/docs/APM25UserGuideV1_enroute.pdf Japan Dronesさん、enRoute さんに感謝!"
Apr 20
Jiro Hattori commented on Chris Anderson's blog post Intel gives sneak peak of drone development board
"Anyway, "RealSense" will provides nice obstacle avoidance for indoor application. The point is that there is standard sensing device that kind will not provide for Pixhawk. "
Apr 19
Jiro Hattori replied to R.Nakano's discussion 【 ArduPilotトレーニング、ソフトウェアエンジニア養成塾開催します! 】 in the group Japan ArduCopter Group
"こう言うの見ると、結構ショックですね。  "
Apr 19
kaoru mabuchi replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
"<a href="http://www.emlid.com/raspberry-pi-3-support-for-navio-is-here-2/?iframe=true&width=1280&height=620" rel="prettyPhoto[movie]" target="_blank" title="RASPBERRY PI 3 SUPPORT FOR NAVIO IS…"
Apr 18
Jiro Hattori commented on Mirko Denecke's group BBBMINI
""Flying BeagleBone Green" is very nice instructions as always by Mirko. "
Apr 15
Jiro Hattori replied to mosla's discussion スタビライズモード以外で離陸せずに立ちゴケをしてしまいます in the group Japan ArduCopter Group
"GPS もマストの上に搭載されているので、問題ないと思います。 その防振マウントのオリジナルデザインを、3Dプリントした物を持っていますが、共振が出そうなので使っていません。 上のボードにスポンジで載せても水色のダンパーが揺れるので、要注意。 大きなPayloadを載せる前提なら、想定した荷重のダミーを載せて調整すると良いですね。 少し安定してくればAuto Tuningも有効ですが、AltHold で飛ばないと使えません。 欲を言えば、Pixhawk の搭載位置は、重心が好ましいです。"
Apr 14
Jiro Hattori replied to mosla's discussion スタビライズモード以外で離陸せずに立ちゴケをしてしまいます in the group Japan ArduCopter Group
""Black widow 460kv" を使っている方は、初めてですが、モーターとESCの関係は、保障付きなんでしょう。  振動が過大になりそうも無い構成ですね。 ”パワーボード 3DRのFC防振板と一体型の物”は、良く分からないので、写真をお願いします。 スポンジで包むので無く、スポンジの上下に粘着テープが付いたものを両面テープのようにして貼り付けます。  ひとつ言えることは、全体的にかなりOver Power…"
Apr 13
Jiro Hattori commented on Randy's group Japan ArduCopter Group
"Intel® RealSense™ Robotic Development Kit は、$250.-でPreorderになっています。 これは、Raspberry状のCPUボードでRealSence付きのようですが、下の写真の"Intel Aero Platform for…"
Apr 13
Jiro Hattori commented on Emlid's blog post Navio autopilot now supports Raspberry Pi 3!
"WOW! "Pre-installed GStreamer" @Emlid, Thank you for continuation of expand capability of NAVIO."
Apr 13
Jiro Hattori replied to R.Nakano's discussion 【 ArduPilotトレーニング、ソフトウェアエンジニア養成塾開催します! 】 in the group Japan ArduCopter Group
"参加して来ました。  25名前後の出席者で、部屋にちょうど良いくらいでした。 募集数30名中半分くらい応募されているとの事ですので、検討中の人は急いだ方が良いでしょう。 1) Dronecode と言っても、FCのfirmware、GCS、FCハード等Scopeが、広いのにScopeが決まっていない。 2) 実技用の機体は、Pixhawk に決めてしまえば良いのに決めていない。 3) firmwareの開発は、Linuxが良いと思うのですが、Mission Planner…"
Apr 13
Jiro Hattori replied to mosla's discussion スタビライズモード以外で離陸せずに立ちゴケをしてしまいます in the group Japan ArduCopter Group
"自動解析の結果は、それほど酷く無いようです。 Log File C:/Users/JIroh/AppData/Local/Temp/tmpBABD.tmp.logSize (kb) 3035.017578125No of lines 37478Duration 0:02:09Vehicletype ArduCopterFirmware Version V3.3.3Firmware Hash acf2e10cHardware Type Free Mem 0Skipped Lines 0Test:…"
Apr 13
Jiro Hattori replied to mosla's discussion スタビライズモード以外で離陸せずに立ちゴケをしてしまいます in the group Japan ArduCopter Group
"mosla さん、以下の可能性 1) Stablizeで離陸できているならプロペラとモータの回転方向の関係は、良さそうです。   モーターのレイアウトが、ArduCopter用になっているかは、不明。 2) 機体設定が、Quadになっていない。 3) PIDの設定が、全然合っていない。 4) Pixhawk の振動対策の不備や取付位置の不具合。 5) 一部のモーターの不具合"
Apr 12
Jiro Hattori replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
"詳細は、こちらです。http://jetsonhacks.com/2016/04/11/gtc-2016-flying-robot-demo/ 以下に抜粋したのですが、Red balloon と似ているように思えるのですが、勘違い? The actual program itself is rather simple. Video is taken from the camera, which comes in as NV12, and is converted into a form…"
Apr 12

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 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,
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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