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当鸟类大量靠近时,智能摄像头可以阻止风力涡轮机,从而减少鹰的死亡

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2021年02月03日

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Smart Cameras That Stop Wind Turbines When Birds Approach Massively Reduce Eagle Deaths

当鸟类大量靠近时,智能摄像头可以阻止风力涡轮机,从而减少鹰的死亡

Renewable energy is now the cheapest energy on the planet. Countries all over the globe are rapidly converting from destructive and limited fossil fuels to wind turbines, solar power and even more creative options, including the UK which is now powered more by renewables than other sources.

可再生能源现在是地球上最便宜的能源。世界各地的国家都在迅速地从破坏性的、有限的化石燃料转向风力涡轮机、太阳能,甚至是更具创造性的选择,包括英国,它现在更多地使用可再生能源,而不是其他能源。

Despite being one of the best sources of renewable energy, wind turbines have received significant pushback from opposition that claims they kill native bird populations. It is a valid criticism – research has shown collisions with turbine blades do kill birds, albeit at a fraction of the rate fossil-fueled power plants do.

尽管风力涡轮机是最好的可再生能源之一,但它还是遭到了反对派的强烈反对,他们声称风力涡轮机会杀死当地的鸟类。这是一个有效的批评——研究表明,与涡轮机叶片碰撞确实会导致鸟类死亡,尽管其死亡率只是化石燃料发电厂的一小部分。

In an attempt to minimize the ecological impact of wind turbines, a new smart camera system developed by IdentiFlight detects the presence of birds, identifies if they are endangered, and shuts down the spinning blades before impact. According to a study published in the Journal of Applied Ecology, deploying a curtailment system near a wind turbine site led to a decrease in Eagle fatalities of 82 percent, suggesting the camera systems could have a drastic effect on saving protected bird species.

为了尽量减少风力涡轮机对生态的影响,IdentiFlight公司开发了一种新的智能摄像系统,可以检测鸟类的存在,识别它们是否濒临灭绝,并在受到影响前关闭旋转的叶片。根据《应用生态学杂志》上发表的一项研究,在风力涡轮机基地附近部署一个减排系统,可使鹰的死亡人数减少82%,这表明摄像系统可能对拯救受保护的鸟类物种产生重大影响。

Jack Dunhill

Based in Wyoming, USA, the study was independently run covering 176 wind turbines from two different sites. The authors deployed 47 automated curtailment units throughout one of the sites until the whole area was covered by August 2019. Over the study period, the authors repeatedly swept the area for eagle carcasses to compare to control and pre-study numbers.

这项研究是在美国怀俄明州独立进行的,涵盖了176个来自两个不同地点的风力涡轮机。作者们在其中一个地点部署了47个自动裁撤装置,直到2019年8月整个地区被覆盖。在研究期间,作者反复扫视鹰的尸体区域,与控制组和研究前的数量进行比较。

The results demonstrated an increase in deaths in the control site from previous levels, but a significant decrease in the camera sites. Following the addition of IdentiFlight, the eagle fatalities per year dropped from around 7.5 to around 2.5, demonstrating a 62 percent decrease. The control site saw an increase in fatalities over the same period.

结果表明,对照部位的死亡率较以前水平有所增加,但摄像部位的死亡率显著下降。在加入IdentiFlight之后,每年鹰的死亡人数从7.5%左右下降到2.5左右,下降了62%。与此同时,对照组的死亡人数有所增加。

"Avian collisions with turbine blades have been a long-time concern in the wind industry. The IdentiFlight avian detection technology was developed to address this problem and promote the successful coexistence of avian wildlife and wind energy," said Ben Quinn, Senior Vice President at IdentiFlight, in a statement.

“鸟类与涡轮机叶片的碰撞一直是风电行业长期关注的问题。IdentiFlight公司的高级副总裁本·奎因在一份声明中说:“IdentiFlight公司开发的鸟类探测技术就是为了解决这一问题,促进鸟类野生动物和风能的成功共存。”

"We now have conclusive evidence that IdentiFlight can be utilized as a mitigation and minimization solution for current and future wind projects."

“我们现在有确凿的证据表明,IdentiFlight可以被用作当前和未来风电项目的缓解和最小化解决方案。”

The system works using a camera tower that is placed to cover multiple wind turbines in its vicinity, that can spot and track pre-set protected bird species. Using optical sensors, the towers identify incoming birds and uses artificial intelligence to determine their trajectory and speed, adjusting the turbines’ motion accordingly. IdentiFlight claims their system detects protected species from up to 1 kilometer away.

该系统的工作原理是使用一个摄像头塔来覆盖附近的多个风力涡轮机,可以发现和跟踪预先设定好的受保护鸟类。利用光学传感器,塔识别来袭的鸟类,并使用人工智能来确定它们的轨迹和速度,相应地调整涡轮机的运动。IdentiFlight声称他们的系统可以探测到1公里以外的受保护物种。

IdentiFlight now hopes their system, and similar systems, can be deployed on a large scale to further save protected avian species. However, it may be a difficult pill to swallow for many turbine companies, with an Identiflight system carrying a $150,000 (£110,000) installation fee plus an $8,000 maintenance fee per year, according to Bat Drone Shield’s cost analysis.

IdentiFlight现在希望他们的系统,以及类似的系统能够大规模应用,进一步拯救受保护的鸟类物种。然而,对于许多涡轮公司来说,这可能是一个难以接受的难题,根据蝙蝠无人机盾的成本分析,一套Identiflight系统每年需要支付15万美元(11万英镑)的安装费和8000美元的维护费用。


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