Jiro Hattori
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  • Kanagawa-ken
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Latest Activity

Kazuki Y replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
"初めまして。 私は自宅ではLAN経由で設定などを行っていますが、野外ではRaspberry Pi3 のUSB経由でXbee でテレメトリーしています。 Xbee PRO で見通しで600mを超えても電波状態は60%近く有りました。 下記のYoutube の動画ですが、手元のXbeeは地面から20㎝位の所に置いている状態でした、2m位まで上げるともう少し距離が延びると思われます。 今週末、時間取れたら2m位まで上げてテストする予定です。 構成はRaspberry Pi3 + NABIO2…"
yesterday
Kazuki Y replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
" "
yesterday
Jiro Hattori replied to benbojangles's discussion Companion: Pi 2/3/Zero in the group Companion Computer Working Group
"Thank you for good information on this thread:) Here is my pi zero enclosure with pi camera attached.  "
Jul 20
Jiro Hattori replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
"Tower に無事streaming。 Bluetooth 経由で少しズルしています。 "
Jul 18
Jiro Hattori replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
"Raspberry Pi Zero から、初代NexusにGsreamしています。 NexusのUSBは、充電用です。 "
Jul 16
Jiro Hattori replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
"Navio2+RP3にEmlidのDisk imageをインストールすると、こんな感じでWifi sreaming できます。 Router経由しているので、屋内の最強系ルータを使えるのですが、屋外でポータブルルータ環境の場合は、心配ですね。 "
Jul 15
Jiro Hattori commented on Randy's group Japan ArduCopter Group
"APM:Copter V3.4-rc1 (dfa90d29)搭載のNavio2のLog image を示します。  上が磁気センサで下がYawの変化を示しています。 ギューンと言う音を立ててYaw動作している状況だと思います。 3.4.-rc1で磁気センサの変化でYawが、急激に変化する現象が目立つと言うか、怖いですね。"
Jul 10
Jiro Hattori replied to kazuaki F's discussion APM2.6での機体の高度が安定しないため、以前のファームウェアを探しています。 in the group Japan ArduCopter Group
"APM用では3.2.1が、最良・最終のファームウェアだと思います。 推力と重量のバランスが、合っていなような感じですね。"
Jul 9
Jiro Hattori commented on Emlid's blog post 4th of July sale on Navio2 autopilot and Reach RTK kit
"Now, it is easy to upgrade ArduCopter software apt-get after completion of install OS and AC software. I think it becomes pretty easy if they supply complete installation disk image for NAVIO. Anyway, one of the things they missed is that safety…"
Jul 5
Jiro Hattori replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
"enRouteの新しいショップで、”J120 Carrier Board for nVIDIA® Jetson™ TX1”を販売していますね。 http://www.enroute.co.jp/aitoy/index.php?main_page=product_info&cPath=131_121&products_id=398 TX1のモジュールの販売は、しないのでしょうか? 確かに単品販売を見たことが無いので、無理なのかも!"
Jul 5
Jiro Hattori commented on Emlid's blog post 4th of July sale on Navio2 autopilot and Reach RTK kit
"I did same thing. Please use “navio4th” for Navio."
Jul 4
Jiro Hattori replied to Bingo Hiroki's discussion PX4FLOWのセットアップ方法について in the group Japan ArduCopter Group
"Goroさん、日本語は、解りやすいですね。 感謝!"
Jun 28
Jiro Hattori replied to Jiro Hattori's discussion Linux系Flight Controller and/or Companion computer in the group Japan ArduCopter Group
"Intel Inside! Yuneec's 3D-sensing drone is available for pre-order http://www.yuneec.com/droneproducts/Typhoon-H は、Pre-Order受付中で、$1,899だそうです。 IntelのReal Sense搭載FCも、早く発売して欲しいですね。 "
Jun 23
Jiro Hattori replied to Bingo Hiroki's discussion PX4FLOWのセットアップ方法について in the group Japan ArduCopter Group
"Goroさんが、以下で言っている辺りが、近いカモ? http://diydrones.com/xn/detail/705844:Comment:2180922 You need to set it to 9999. Alternately, you can disable the pre-arm GPS check by setting ARMING_CHECK to -9. *当方も、Optical Flow Sensorに興味を持っているですが、未だ未着手です。 "
Jun 22
Jiro Hattori replied to Bingo Hiroki's discussion PX4FLOWのセットアップ方法について in the group Japan ArduCopter Group
"添付のようにRandy さんのコメントでソナーは、使えないようです。 http://diydrones.com/xn/detail/705844:Comment:2244514 I'm afraid we don't support using the px4flow's sonar (it's mentioned on the wiki although it may not be perfectly clear). Paul Riseborough…"
Jun 22
Jiro Hattori replied to Bingo Hiroki's discussion PX4FLOWのセットアップ方法について in the group Japan ArduCopter Group
"ここは、ご覧になりましたか? Optical Flow discussion thread http://diydrones.com/forum/topics/optical-flow-discussion-thread Optical flow にLiDARが必要だと思いますが、何をお使いでしょう。"
Jun 22

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,
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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