COUNTRY SOURCES / BR
Brazil: drone inspection sources
WebSearch をポルトガル語で実施(例:「inspeção com drones linhas de transmissão」「drone inspeção pontes viadutos DNIT」「drones inspeção barragens ANM」「Petrobras drones inspeção plataformas」「drone inspeção fachada」「drone inspeção ferrovia」「drone inspeção usina solar」「ANAC RBAC-E 94」など)。電力・ダム・鉄道・橋梁・外壁・太陽光・港湾・下水道・プラント・規制に散らし、政府・規制当局(ANAC、ANTT、ANM、州政府通信社、市政府)、業界専門メディア(Cenário Energia、Canal Solar、O Setor Elétrico 等)、地方紙、大学・学会論文を優先した。結果ページは原則 WebFetch で開いて確認。調査の途中でセッション全体の検索回数上限と取得回数上限に達したため、送電公社 Eletrobras 系、パイプライン(Transpetro)、煙突、鉱山の地下利用などは追加検索できず、手元で確認できた候補から選んだ。
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news · 2025-09-26
ISA Energia Brasil uses drones for substation inspections and cuts analysis time by more than 70%
Transmission operator ISA Energia Brasil trialled automated, pre-mapped drone flights over substations under ANEEL's R&D programme. Images are uploaded to a platform that organises them and flags anomalies. The company reports a large cut in capture-to-analysis time compared with manually piloted flights.
- サンパウロ州の変電所5か所で実施
- 撮影・整理・解析の合計時間が手動操縦比で70%超短縮(社内試験)
- 送電線点検は100%ドローンで実施と同社は説明
⚠ 比較対象は手動操縦のドローン点検で、従来の人手点検全体ではない / 第三者検証なし。カメラ・センサーの種類は記載なし / ANAC 規則上、目視監視とバッテリー交換に人員が残る
Why selected: エネルギー業界専門メディア。ANEEL 研究開発制度の事例で具体的数値あり
news · 2024-03-28
ISA CTEEP adopts drones for transmission tower inspection
ISA CTEEP, a major Brazilian transmission company, replaced manual tower climbing with drone inspections using high-resolution cameras. Its towers are 20–100 m tall, and drones are also used for right-of-way checks and new-line construction.
- 約35,000基の構造物を保有
- 鉄塔の高さ20〜100m
- ドローン115台超を導入
- デジタル化に5年で300万レアルを投資
⚠ 会社発表ベースで、時間・費用削減の数値はない / 300万レアルがドローン単独の費用かは不明
Why selected: エネルギー業界専門メディア。大手送電事業者の公式コメント
news · 2021-08-13
Copel uses drones to inspect its networks, cutting waste and improving safety
Paraná's state utility Copel deployed 119 drones, mainly DJI Mavic 2 Pro units, to inspect distribution lines across forested, coastal and rural areas. It says inspection time per stretch fell substantially compared with ground patrols. The piece is a state-government press release.
- ドローン119台(試験用19台+新規100台)、操縦者約100人を育成
- 配電線延長20万km超、399自治体
- 1区間の点検が地上約10日から2020年に約3日へ
⚠ 「10倍正確」「事故ゼロ」は裏付けデータなし / 配電線と送電線の記述が混在 / 2021年時点の情報
Why selected: パラナ州政府の公式通信社。州営電力会社の大規模導入事例
news · 2022-02-01
ANM begins thermal-camera drone monitoring of dams
Brazil's National Mining Agency (ANM) dam-safety division began using a drone with a thermal camera in tailings-dam inspections. Cooler zones on the dam body are used to decide where inspectors should check on site, especially at dams with restricted access.
- 熱画像カメラで堤体の低温部を検出
- ANM 職員向けにドローン操縦訓練を実施
⚠ 件数・結果・温度差などの数値なし / 低温部は現地確認のための目安で、欠陥の確定ではない
Why selected: 公的機関(国家鉱業庁)の取り組みを伝える全国向けニュース。ブルマジーニョ事故後のダム安全行政の文脈
case_study · 2019-07-26
For the first time in Brazil, a drone is used for confined-space inspection on a Petrobras platform
Terra Drone's Brazilian unit inspected the inside of a tank on Petrobras's FPSO P-66 with a lighted drone. The job reportedly took just over an hour with two people, versus four people plus scaffolding or rope access normally.
- FPSO P-66 のタンク内部を点検
- 所要約1時間、作業員2人(通常は4人+足場・ロープアクセス)
- フレア点検では30倍光学ズーム、50〜100m離隔とされる
⚠ 「ブラジル初」は企業側の主張 / 機体名・検査結果の詳細なし / 実施は日本企業のブラジル法人(場所はブラジル)
Why selected: 石油ガス専門メディア。国内初の閉鎖空間点検として繰り返し言及される事例
news · 2025-06-11
ENGIE Brasil expands drone use for monitoring and security of its plants
ENGIE Brasil is using drones with RGB, thermal and night-vision cameras across wind, solar and hydro plants and transmission lines, with AI analysis of the images. It is also testing remote operation from its Florianópolis headquarters, more than 2,000 km from some sites.
- 送電鉄塔約6,000基(2027年に11,000基の見込み)
- エストレイト水力で試行
- 警備拠点1か所あたり年最大36万レアル削減の試算
⚠ 36万レアルは試験検証待ちの試算 / 検出精度や実績値は示されていない
Why selected: エネルギー業界専門メディア。国内最大級の発電事業者の公式発表
news · 2021-02-02
Enel uses AI-equipped drones to inspect its grid
Enel and the startup Horus are testing drones with onboard AI that analyse images in real time. Despite the headline, the first phase targets medium- and high-voltage distribution networks in four states, with ANEEL R&D co-funding.
- 総投資約200万レアル
- 4州の配電会社で第1段階を評価
⚠ 試験段階で、停電削減などは目標値 / 現状の点検画像は人手で解析していると記載
Why selected: 太陽光・電力専門メディア。大手配電会社と ANEEL 研究開発の事例
news · 2026-08-26
City uses infrared-camera drone to monitor its solar panels
Curitiba's environment department inspected solar panels on six municipal sites with an infrared-camera drone, mapping hot spots with location data to flag possible faults. Officials highlight that no work at height is required.
- 合計12,447枚のモジュールを確認
- 最大はピラミデ・ソラールの8,596枚
- 2026年8月21日に点検完了
⚠ ホットスポットは不具合の可能性を示すだけ / 発見件数や修理計画は未記載 / 市の広報で時間・費用の実測値なし
Why selected: 市政府の公式発表。公共施設での具体的な枚数がある
news · 2025-09-18
ANTT launches a fleet of 15 professional drones for rail oversight
Brazil's land transport regulator ANTT, partnering with rail operator Rumo, launched 15 drones for oversight inspections of federally concessioned railways, aiming to reach hard-to-access track. It is described as the first rail project funded by the RDT technology mechanism.
- ドローン15機
- Rumo の路線網は3万km超
- RDT(技術開発資金)による初の鉄道案件
⚠ 機種・費用は非公表 / 運用手順は検討中で試行段階 / 記事の一部は出典のない一般論
Why selected: 規制当局(ANTT)の公式発表を伝える記事。原典は政府通信 Agência Gov
article · 2022-06-16
Facade inspection with drones can be cheaper
A column on a site for condominium managers argues facades should be fully inspected at least every three years and recommends drone imagery, which can reveal defects and unauthorised fittings on buildings above 20 floors. It also lists legal requirements such as ANAC/DECEA/ANATEL compliance and an engineer's responsibility filing.
- 外壁は最低3年ごとに全面点検(筆者の推奨、ABNT NBR 5674/14037 に言及)
- 是正工事は予防保全の5倍の費用とする
- 第三者賠償保険 RETA は最大50万レアル
⚠ 意見記事で、筆者自身がドローン点検業を営む / 「安い」とする価格比較の数字はない
Why selected: 国内の集合住宅管理者向け主要ポータル。実務者向けの記事
news · 2024-11-25
Itaipu Binacional modernises inspection and maintenance with drones
Itaipu Binacional has used drones since 2020: thermal cameras on its 500 kV lines, high-definition imagery for 3D models of works, and LiDAR with Embrapa for reservoir vegetation surveys. It says a survey that took four people eight hours now takes minutes.
- 500kV 送電線8回線・約65kmを監視
- 1回の工事測量で高精細画像700枚超
- 水文現地チームの90%が操縦訓練済み
⚠ 機種・台数・費用は非公表 / 「ミリ単位の精度」に裏付けなし
Why selected: エネルギー業界専門メディア。世界最大級の水力発電所の事例
news · 2026-01-12
Cemig uses drones to inspect the power grid in Minas Gerais
State utility Cemig uses 99 drones to inspect medium- and high-voltage lines, with thermal cameras for hot spots from overloads or bad connections, plus checks for insulator faults and corrosion. Flights are daytime only and are framed as supporting, not replacing, technicians' judgement.
- ドローン99台
- 2023年1月以降、数千kmの中高圧線を点検
⚠ 点検距離は「数千km」とあいまい / 故障削減などの成果数値なし / 州政府の広報
Why selected: 州政府の公式通信社。大手電力会社の運用事例
case_study · 2021-07-06
Enel SP carries out underground inspections with Flyability
Enel São Paulo and drone maker Flyability tested a caged drone for inspecting underground distribution vaults that house transformers and switches. Manual entry needs three electricians on site, the drone two. The drone is not waterproof, so vaults must be pumped dry first.
- 地下室(caixa)約10,700か所
- 投資約38万レアル(ANEEL 研究開発)
- 4K 動画を記録
- 地下変圧器は3年ごとに全数点検が必要
⚠ 機体は非防水で事前排水が必要 / 実測の成果はなく、効率化は見込み / ガス検知器などの安全手順は残る / 記事は Flyability をスウェーデン企業と記すが、同社はスイス企業
Why selected: IT・ビジネス専門メディア。都市部の閉鎖空間点検という珍しい国内事例
news · 2023-04-25
Brazil's largest port embraces drone use to improve operations safety
At Port of Santos terminals, drones have taken over control and support tasks previously done by helicopter, including mapping grain and fertiliser terminals and checking equipment subject to regular inspection. Flights need port authority permission and insurance, and fuel terminals are off-limits.
- ヘリコプター業務の置き換え
- 燃料ターミナル上空の飛行は禁止
- 港湾当局の許可と事故保険が必要
⚠ 数値データなし / 構造物点検への明示的な言及は乏しい / g1/Valor の報道を二次的に伝えた記事
Why selected: 国内海運専門メディア(原典は g1・Valor Econômico の報道)
news · 2026-09-25
Motiva Sorocabana invests in a high-performance drone for highway monitoring
Motiva Sorocabana, which runs 460 km of highways in inland São Paulo state, acquired a drone platform for bridge and viaduct inspection, slope and embankment analysis and 3D terrain models, as well as rainy-season flood and drainage checks.
- 管理延長460km
- オルソ画像・点群・地形モデルなどを作成
- 州交通規制当局 ARTESP への報告に活用を想定
⚠ 機種・台数・費用は非公表 / 橋梁点検は用途の列挙で、実施結果ではない / 企業の広報
Why selected: 国内最大級の道路コンセッション事業者グループの公式発表
research_paper · 2025-05-05
Monitoring bridges and viaducts with UAVs: case studies
Brazilian researchers tested a drone workflow (flight planning, capture, processing) for visual inspection of defects on bridges and viaducts in two case studies. They report the approach is feasible and that orthomosaics worked better than plain photos or 3D models.
- 2つの事例研究
- Agisoft Metashape で処理
- オルソモザイクが最も有効と報告
⚠ 抄録のみ確認。対象構造物名・場所・機体は抄録に記載なし
Why selected: 国内大学(ペルナンブコ連邦大学)の査読誌
news · 2022-07-25
Ibama uses drones in transmission-line inspections
Reports that the federal environmental agency Ibama began using a drone in inspections of transmission lines, with the first monitoring flight on 13 July and a focus on reducing major environmental impacts. The body is paywalled; only the headline and lead were read.
- 初回のドローン監視は7月13日(2022年と推定)
⚠ 有料記事で本文未確認(見出し・導入部のみ) / 路線名・飛行回数などは不明
Why selected: エネルギー業界の老舗専門誌。規制・許認可当局による利用という珍しい視点
case_study · 2024-04-23
Aerial thermographic inspection boosts efficiency and safety in power generation
CGN Brasil set up an in-house team flying thermal-camera drones to find hot spots on wind turbines, transmission lines, medium-voltage networks and lightning-protection systems at two wind complexes in Rio Grande do Norte, with staff trained in piloting and thermography. Expansion to other sites is planned.
- Eurus II と Renascença V の2か所で試行
- 社員に操縦・サーモグラフィー訓練
⚠ 成果の数値(費用削減・故障回避)はない / 太陽光は対象に挙がるが試行は風力のみ / 海外企業だが実施場所はブラジル
Why selected: 電力業界専門誌。国内最大の風力地域での事例
technical_report ·
Computer vision applied to drone inspection of railway switches
A technical paper on photographing railway switches with an RTK-equipped DJI Matrice 300/350 and Zenmuse P1 camera and detecting faults such as missing clips or bolts with YOLOv8. Combining drone and track-geometry data reportedly cut main-line switch inspection cycles by 35%, moving manual checks from quarterly to semiannual.
- 本線分岐器の点検周期を35%短縮(人手点検は四半期→半年)
- 学習画像4,417枚→拡張後9,863枚
- 平均 AUC-PR 0.934
⚠ 著者・年・事業者名が記載されていない / クラス数の記述が不一致 / 人手計測との誤差比較は定量化されていない
Why selected: 鉄道旅客輸送事業者協会(ANPTrilhos)の技術賞応募論文。機体・精度など具体的
research_paper · 2019-11
Drone thermography method to detect false air entry in gas ducts between a boiler and an electrostatic precipitator
A paper presenting external drone thermography of gas ducts on an operating boiler so repairs can be planned for the next shutdown. It found 132 nonconformities, 20 of them cold spots flagged as likely false-air entry points.
- 不適合132か所を検出
- うち低温部20か所を空気漏れ込み候補に
- 運転中に点検
⚠ 抄録のみ確認。工場名・機体は不明 / 費用・時間削減は数値なし
Why selected: 国内の技術シンポジウム(SENAI CIMATEC 系)論文。プラント・ボイラー用途の希少な国内事例
research_paper · 2025-05-07
Use of unmanned aircraft systems in dam safety management: a systematic literature review
Researchers at the University of Pernambuco reviewed 54 studies on drones in dam inspection, mapping, structural analysis and risk management using PRISMA, concluding drones help early fault detection and access to remote areas.
- 54研究を分析(Web of Science、Scopus、Science Direct)
- PRISMA 法
⚠ 抄録のみ確認 / ブラジル国内の事例に限定したレビューではない
Why selected: 国内査読誌。ブルマジーニョ事故後のダム安全の関心を背景とするレビュー
research_paper ·
Inspecting facade defects with remotely piloted aircraft
A Mackenzie University student paper compares drone and rope-access facade inspection using interviews with four firms. For a hypothetical 10-storey building, drones needed one person and about 3 hours versus several days for three climbers, but drones could not replace percussion testing of ceramic cladding.
- ドローン点検1件約8,000レアル、ロープアクセスは約3倍(推定約24,000レアル)
- ドローン約3時間・1人、ロープアクセス3人で3〜8日
- 対象は10階・高さ30m・周長50mの仮想建物
⚠ 回答企業は4社のみで費用は信頼性が低いと著者自身が明記 / タイルの浮き(剥離)はドローンでは見落としうる / 現地検証なし。発行年は記載なし(2020〜21年頃)
Why selected: 国内有力私立大学の研究室公開論文。ドローンの限界も明示
case_study · 2018-11-01
Company uses drones to inspect viaducts
Under a DNIT-RS contract, a Porto Alegre engineering firm inspected 105 bridges and viaducts on the city's freeway, using a drone on 23 hard-to-reach structures. Crews also used up to 70x zoom and thermal cameras to look for moisture, rating structures on the NBR 9452 five-point scale.
- 105構造物を点検、うち23か所でドローン使用
- 2018年9月24日〜10月16日に実施
- 最大70倍ズーム・熱画像カメラ
- NBR 9452/2016 の1〜5評価
⚠ 一部有料で全文は見えていない / 評価結果は受注企業の説明のみ / 是正保全が予防の5倍との数字は技術者の主張
Why selected: 南部の有力地方紙。連邦道路庁(DNIT)発注の具体的事例
case_study · 2019-09
Inspection of bridges using an unmanned aerial vehicle
A case report on inspecting the 284 m BR-369 bridge over the Piquiri River with a DJI Phantom 4 flown at 38 m, producing 390 photos. Early reinforcement corrosion, map cracking and leakage at the guardrail were found. The camera could not tilt upward, so the deck underside was poorly covered.
- 橋長284m、1964年建設・2005年改修
- DJI Phantom 4、高度38m、写真390枚
⚠ カメラを上向きにできず床版下面の確認が不十分 / 1件のみの事例で時間・費用の数値なし
Why selected: 連邦技術者評議会(Confea)主催の全国技術者会議の発表
article · 2023-06-07
New sanitation works in Ceará use drones and robots
Ambiental Ceará, the Aegea-run sanitation PPP partner of Cagece, uses drones and 360° cameras to build 3D digital twins of treatment plants and assets, while a crawler robot called 'San' inspects sewer pipes for blockages and illegal connections. Inside the pipes, the work is done by the robot rather than drones.
- 対象24都市
- デジタルツイン計画は17都市で適用、7都市で進行中
- 2033年までに下水普及90%が目標(法定目標)
⚠ コラムで会社情報が中心 / 管内点検はロボットで、ドローンは地上設備の記録用 / 成果数値なし
Why selected: 北東部の主要地方紙。上下水道分野の国内事例
regulation · 2023-04-03
Brazilian Special Civil Aviation Regulation No. 94, Amendment 03: general requirements for civil unmanned aircraft
Brazil's current civil drone rule sets weight classes (≤25 kg, ≤150 kg, >150 kg), registration, pilot requirements and treatment of BVLOS. Non-recreational flights above 250 g need third-party insurance and a risk assessment, with a 30 m default distance from uninvolved people. Autonomous flight is prohibited, and DECEA and ANATEL rules also apply.
- 2023年3月31日決議第710号、2023年5月2日施行
- 250g 超の業務飛行は保険とリスク評価(12か月以内更新)が必要
- 無関係な人から水平30m以上
- BVLOS は設計承認が必要、自律飛行は禁止
⚠ 点検業務を個別に定めた条文はない / 空域は DECEA、電波は ANATEL が別途規制 / 本改正以降の改正は確認していない
Why selected: 規制当局 ANAC の公式文書
article · 2020-07-07
Drones shorten fault detection time and improve efficiency of PV plants
A solar trade outlet explains, via a DJI-linked source, the drone types used for PV plant inspection (visual, mapping, thermal) and the regulatory points to observe. It notes sensor accuracy can degrade near water or strong radio sources and warns against landing in dusty or sandy areas.
- 簡易機は約4万レアル、高性能機は平均約20万レアル(2020年時点)
- 運用距離4〜10km
⚠ 見出しの「時間短縮」に数値はない / メーカー関係者1人が情報源で宣伝色あり / 価格は2020年時点
Why selected: 国内太陽光業界の主要専門メディア
research_paper · 2022-11-02
Use of Unmanned Aerial Vehicles for Inspection of Bridges and Viaducts in Northeast Brazil
A case study of a steel bridge in Paulo Afonso and a reinforced-concrete viaduct in Garanhuns inspected with DJI drones. It found rust on steel members and cracks and efflorescence at the foundation, and cracking with degraded exposed rebar on the viaduct. The authors say drones reduce at-height risk and are cost-effective.
- 鋼橋(パウロ・アフォンソ)とRC高架橋(ガラニュンス)
- DJI 機を使用
⚠ 抄録のみ確認(本文は有料) / 費用優位は抄録上の主張で数値未確認
Why selected: 米国土木学会の会議録に載ったブラジル北東部の事例
technical_report · 2025-08
Multiplatform automated railway inspection system based on computer vision (RDT project summary)
Summary of an R&D project funded under ANTT's RDT mechanism to build an integrated system that combines vehicle-mounted sensors with drone imagery to detect anomalies in rails, sleepers, ballast and switches using computer vision. It is executed by SENAI with NEWON Engenharia.
- 予算 11,421,593.89 レアル
- 期間26か月(2026年3月1日〜2028年4月30日)
- 成果物5件
⚠ 計画段階で成果はまだない / 対象の鉄道事業者名は記載なし
Why selected: 規制当局 ANTT の公式資料
news · 2018-06-05
Storm Group bets on drones for transmission-line and dam inspections
A short piece on a Rio de Janeiro tech firm offering drone inspection consulting for transmission lines and dams, from sizing fleets for preventive maintenance to custom onboard software, with colour, thermal and multispectral imagery logged with position, altitude and time.
- 可視・熱・マルチスペクトル画像
- 位置・高度・時刻と映像を同期記録
⚠ 企業発表のみで数値・顧客事例なし / ヘリより安いとの主張は未定量 / 2018年の情報
Why selected: IT 業界の専門メディア。送電線とダムを併せて扱う国内企業の早期事例(宣伝色に注意)