Strava估算功率與實際功率測試比對 - 單車
By Queena
at 2017-10-10T22:01
at 2017-10-10T22:01
Table of Contents
各位版友,大家好。
連假最後一天,上來發發廢文,這篇可能也沒什麼參考價值,大家看看笑笑就好。
今天會來發這篇文的主因,是上次小弟發的AROFLY系列文的推文底下
有版友問到Strava的估計功率跟功率計測得的實際功率比較起來誤差多少
正好小弟為了要測9100P跟Vector™ 2的誤差,近日多入手了一個新碼表
又因為9100P還沒到貨,小弟閒著沒事,所以就想說來測一下版友提到的問題
測試方法是帶兩個碼表騎車,並讓兩個碼表接收同樣的訊號源,包含速度、踏頻、心律。
而其中一個碼表不接收功率計訊號,最後結算的數據上傳到Strava讓它估算功率
再去比對有功率訊號的結算數據。
使用的碼表分別是Garmin Edge®520與GIANT Neos track。
https://imgur.com/YZcXuga
此次測試是讓520接收功率訊號,Neos track的數據則上傳到Strava
測試數據如下
Strava估計功率與估計功率曲線
https://imgur.com/h3x5Kfn
https://imgur.com/vic5j6w
實際功率與功率曲線
https://imgur.com/Ut14EXb
https://imgur.com/86KTQH6
以下做個結論整理
1.想不到Strava估算的平均值還挺準的,估計的功率曲線雖然看起來對不上,不過最高
功率的三個點都還算看的出來,單純以分析用途來看,應該還算堪用。
2.最高功率誤差就蠻大的,不過所謂的最高功率畢竟只是一個瞬間,準不準其實也不是
這麼重要。
3.Strava雖然估算的蠻準的,但終究無法提供即時數據,建議有心要練車或分析數據
的版友們還是買個功率計吧,現在已經是人人有功練的時代了,你還在等什麼呢?
以上,希望能夠這篇文章能夠對版友們有幫助,謝謝大家。
題外話,測試的功率低到靠北,大家笑笑就好,千萬不要檢討我功率低阿XD
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Tags:
單車
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