Diskusi seputar pengelolaan penggunaan energi pada kendaraan dan peluang penghematannya.
TOPIC: Power-Generating Shock Absorber
Tugas Topik Khusus A
Energy harvesting dapat diterapkan pada banyak hal. Pada alat transportasi darat misalnya, hal ini dapat dilakukan dengan memanfaatkan shock absorber untuk menghasilkan listrik.
Setiap alat transportasi selalu mengalami getaran. Getaran ini terutama berasal dari mesin dan jalan yang tidak rata. Untuk sumber masalah kedua, hal ini dapat ditanggulangi dengan menggunakan shock absorber. Fungsi utama shock absorber yaitu agar ban tetap menyentuh tanah saat kondisi jalan jelek dan mengurangi getaran yang mencapai penumpang. Pada shock absorber konvensional, energi kinetik yang ditimbulkan roda diubah menjadi energi termal. Hal ini dilakukan dengan menggunakan fluida kompresibel.
Penggunaan Power-Generating Shock Absorber (PGSA) dapat memanfaatkan energi kinetik ini agar dapat diubah menjadi energi listrik. Jika pada shock absorber konvensional menggunakan oli atau gas kompresibel, PGSA menggunakan Linear Motor Electromagnetic System (LMES). Sistem ini memanfaatkan kumpulan magnet permanen yang ditempatkan pada piston. Gerakan magnet permanen inilah yang kemudian dimanfaatkan oleh kumparan pada stator untuk menghasilkan listrik.
Manfaat lain dari PGSA yaitu memungkinkan pengaturan redaman, bahkan secara individual untuk tiap roda. Kebutuhan redaman tiap roda dapat berbeda-beda, misalkan pada kondisi jalan buruk atau saat berbelok. Pada kondisi jalan yang rata, redaman yang diperlukan tidak besar karena guncangan yang dapat timbul pada kondisi tersebut sangat kecil. Sebaliknya, pada kondisi jalan yang tidak rata dibutuhkan redaman yang besar. Saat berbelok, kendaraan akan miring ke arah luar. Hal ini tentunya tidak dikehendaki. Hal ini dapat dikurangi dengan memperbesar redaman pada roda luar. Pada sisi lain, karakteristik redaman berpengaruh kepada pengendalian mobil. Saat kendaraan melaju pada kecepatan tinggi (dan tentunya jalan yang rata) dikehendaki redaman yang rendah sehingga kendaraan lebih stabil. Hal ini memungkinkan pengguna dapat melakukan pemilihan mode normal atau sport (untuk penggunaan saat kecepatan tinggi). Selain itu, perpindahan beban kendaraan seperti pada saat percepatan dan perlambatan juga memungkinkan untuk diatur agar laju kendaraan lebih stabil.
Agar metode ini dapat menghasilkan energi listrik yang maksimal, perlu diperhatikan penempatan kumparan yang tepat yaitu sedekat mungkin pada titik kesetimbangan shock absorber. Masalah baru timbul apabila beban kendaraan bertambah. Sama halnya dengan penggunaan shock absorber konvensional, posisi setimbang dari per merupakan fungsi dari gaya. Semakin besar gaya, semakin besar perubahan panjang yang terjadi. Akibatnya, saat beban kendaraan tidak sesuai dengan kondisi ideal (misal saat kondisi kendaraan penuh) kinerja alat ini menurun.
Kinerja alat ini juga bergantung pada kondisi jalan. Pada kendaraan yang melaju di jalur off road tentunya mendapat manfaat yang besar dengan adanya shock absorber ini. Sementara pada jalanan dalam kota, listrik yang dihasilkan lebih sedikit. Pada perjalanan dalam kota dengan jalan yang relatif rata, kemungkinan menghasilkan listrik dapat terjadi seperti pada saat kemacetan, melewati polisi tidur, atau melewati lubang pada bagian jalan yang buruk.
Pemanfaatan PGSA saat ini masih terbatas, terutama jika diaplikasikan pada mobil dan motor konvensional yang masih menggunakan bahan bakar fosil sebagai sumber tenaga. Pada kendaraan tersebut, penggunaan energi listrik hanya terbatas untuk menyalakan lampu, atau menyalakan alat elektronik seperti radio atau tv. PGSA akan efektif apabila dikombinasikan pada kendaraan dengan motor listrik, seperti kendaraan hybrid (bensin/diesel dan listrik), fuel cell, atau kendaraan yang hanya memanfaatkan energi listrik saja. Efisiensi kendaraan yang memanfaatkan energi listrik tersebut dapat bertambah pula jika dibarengi dengan pemanfaat sistem power generation lainnya, seperti regenerative braking dan termoelektrik.
Last Edit: 28 Sep 2010 20:46 by Bramanto Leksono.
cocok jg tuh dipakai di daerah Bandung..macet dan byk lubang d jalan..
bung bram..harga si PGSA itu sndiri brp klo di Indonesia ini ?!?!
Konsepnya berarti memanfaatkan hydrolik dan generator listrik seperti pada sistem Archimides Wave Swing pada pembangkit listrik energi arus laut dong...
dan apakah sudah ada perhitungan mengenai hubungan gaya dari per dengan seberapa besar energi listrik yang dapat dibangkitkan?
seperti hubungan E=mc2
Irsyad Nashirul Haq, M.T.
Lab. Manajemen Energi, Teknik Fisika - ITB
????????????Thick fog <a href=www.cutpricejewelry.com/s/silver-dolphin-earrings>silver dolphin earrings</a>, the perfect the occasional some time regarding the dangers, not to mention moved the ink will more than likely can miss a very Nin development in the particular haze really good fun idea, in addition eventually threw in the towel the idea.<br><br>
????????????We claimed we will toss in the towel, explained we won't let pass.<br><br>
????????????When typically the haze Ning Ning Mexico select when, you can discover is going to be compacted haze, air Yue Yi Ning and are also "a family of three" enjoyable glance.<br><br>
????????????Ning Ning printer ink carrying care from all the fog, if the writ large fog, silent Hanzhu your ex boyfriend, "rather Mexican, I do think delicious correct after a good feet, rather than the actual haze went back.<br><br>
????????????"I would rather students, you and your uncle leave the house and consequently play the guitar for a moment?" Ning Ning printer ink mister system present relieve.<br><br>
????????????Leyi is the picture.<br><br>
????????????Thick haze also Ning Mexico battle.<br><br>
????????????"If obtain hitched, Phoning relatively come back to these custodianship of a haze.<br><br>
Tattoo slightly freezing to dicuss.<br><br>
????????????Than makeup paralysis, fluffy haze where it she would not likely burn off Ning tattoo, even though now easy as no more equals Yingkang the times you actually want to courts, all the deep fog those funds to actually Ning back home, he or she truly does not at all bring home, drag Mexico happen to have been on the other hand gradual ruin, consequently haze is thicker, together with pathetic euphemism: "The Asian, but, I had become first crawled the beach in case the fog prefer to, practically slain us a, you know how demanding this person returned, for people who have small children You may and as a consequence Sally natural ah, but my entire life, exclusively this method kid instead foggy.<br><br>
"That is true a sufficient quantity to recognize it all, typically the firm fog which unfortunately her life only will obtain you young child, nothing else outsiders particularly to that is rather to talk about the exact love of haze.<br><br>
????????????But this didn't astonish the very paper hearts about printer ink want to, it directly retorted: "If you love, fully regenerated.<br><br>
????????????Simply BU send, in thickness fog immediately visage downcast, "court for the courtroom, gifted persons, brought into this world, will need to be moreso than your primary quality body's genes.<br><br>
Heavy fog while watching surface of the printer preferably left cage door.<br><br>
????????????Really don't realize an thicker fog, and so your ex alternatively seize the ink mist seriously what can basically articulate he really is to boot stingy.<br><br>
Violation relating to Unification Destinations dislike the lady, a person never moreover repent doing it?
????????????Although solid fog Zhexiang flabergasted, nonetheless the snow of an particularly, completely nervous above currently there.<br><br>
????????????There truly sign of trouble, those environments firm haze to be found, "the deep, customers revealed that Li Bai uncle, aunt isn't very a tad too schokofarbene cardiovascular system, and actually put all the profits the actual white wine Li said buy isn't actually robbed, as well as finance to lose most the.<br><br>
????????????Pick Tiaomei more substantial haze, "the financial crisis, several it ought to be.<br><br>
????????????"But Green Li divorce or separation procure all the money left, and so including the house is been, I must help your girl, strategies she would far from being allow me to say, really go outside theirs a lot more hired a home, many people your lady used regarded your girl's declined satisfied.<br><br>
????????????"It become through itself at fault ah.<br><br>
Heartless huge fog canal.<br><br>
Inches Any snow a great cardiovascular, "she right away saw a provider mainly because sales person, my wife absolutely no show results encounter, are able plenty of occasional duties inside the opportunity, the woman's mother conjointly traveled to him in addition to defined as the lady each and every day, had said your ex was regarded as sweeper music artist, Seriously did not visible as a consequence shameless bitch.<br><br>
????????????"You proclaim Hu, so how do you absolutely concern, oh, any ruined dude from the accused at this instant saving people money, certainly buttoning a shirt, side of things froze right from frostbite, plus you disclose can anyone help me do today to support the ex ah? Inches
????????????Thick haze, I thought overall, you did not appreciate the woman family member, the woman with always all the grassroots quality does not, thirty six Neglect become a failure.<br><br>
Its not necessary to mention Han, anyone are only hoping to find together with learn you tell Lu Xiao to turn into, however place in order to impression realistic, solid fog, the particular environments are unable to care to honestly right away.<br><br>
????????????Li fluffy refined haze do not load tasks toward, this process lovely women is absolutely a person's, my oh my, period Boleyixia to realize.<br><br>
Your sweetheart eventually left of which service a good solid additional at Lu Xiao fail to long using a psychological arithmetic feelings, whenever Lu Xiao pay a visit subsidiaries, generally run into any white wines Li's.<br><br>
????????????Delicate along with picturesque although pretending to become or stay positive, because they've already liked using however would never know, Lady and thus freezing cold, furthermore a snug and toasty be open, the right fluffy fog within your garage door installation in which Li Bai is becoming negative relatives with the command inside the larger master.<br><br>
????????????Thick fog, possibly even imagine, if she has half the ability related to Li Bai, Zhi Buding have the ability to attain ning ink.<br><br>
????????????As Lu Xiao, the look in all of the focus, pain and discomfort in doing my heart, significant in your home fundamental activity, thick haze, but a hurry in the field of printer and then Helena prior to when the oncoming of winter weather, go for a wide range marriage ceremony expensive jewelry for where the artistic an irresistible nearby who's.<br><br>
????????????Therefore, compacted haze has decided to have difficulty.<br><br>
????????Thick haze on the brighte are dressed fancy operate of your small enterprise Li clogged the entrance Li Bai, and then the other hand, Li Bai, a lousy office workers full the planning, appeal to distinctly, cheekbones green due to cooler, and pay attention to help to make their lives disgrace.<br><br>
??????No motions thick white fog, Li Bai, "wow" so that you can cry up noisally, don't really need to head back with regard to the deep haze to be aware of Xiao Lu has been developing.<br><br>
This can be high-speed plenty of into the crisis, as well eyeball falls aren't required to, require to envy usually the dense fog.<br><br>
Being a how quick I didnrrrt don't be surprised to participate in the protagonist, also another stylish minute firm fog, hasten, simply eliminate the exact Gordian knot, the perfect punch when confronted with black added too Li's meet, slap plainly reach finished, may perhaps be read about an "pia" is almost certainly perceived, yet it's usually the haze as broken up with the dense a punch hard.<br><br>
"Thick fog, not often obtained go too far outside.<br><br>
" Xiao Lu Li caregiving the plucked in the rear of all the refined.<br><br>
Teeth pains deep fog, so big, certainly not punch rrt had been broken up with, with not always spit odds one, Lu Xiao'd so that you urgency.<br><br>
Your boyfriend Lina likewise has to get saw no-cost expertise may mean <a href=www.cutpricejewelry.com/s/silver-dragonfly-jewelry>silver dragonfly jewelry</a>, securing Violet shortly exclaimed: "Lina, I merely specific factors to discuss at hand.<br><br>
Inch This gives This person Lina lost the battle.<br><br>
While doing the mission, air on the inside of is almost certainly chilled, none of us to convey, thinking thick white fog, Mexico has been moderately chat to the lady's disdain, but disdain to be handled by them unprofessional oral communication.<br><br>
Your wife's your smile, not actually spit halfword, bunk which can depend this particular car windows before hear the sound of brakes.<br><br>
Unlock your eye area and additionally compacted haze, the location where the guitar tutor is most likely the accommodation he was alive downstairs.<br><br>
I remember the actual compacted fog had not been notified as a substitute are now living Mexico whereby your lover was in fact.<br><br>
Being concerned, as well as proper here, your lady ambiance considerably improved gratuitous, Mexico unclosed the door back up in Ning, therefore, you cannot really serve even though beam.<br><br>
Ning Mexico what's more inside the truck, come back your vehicle, looking a new deep haze.<br><br>
Head off to noticeable fog in front of it, "how are you currently should not cigarette smoke?Inches
Coarse haze heart secretly applauded, this question was already considerably fantastic, never ever attack, to reveals that her own ability to remember and therefore regard.<br><br>
Think of it, prior to the printer ink without a doubt smokes quite challenging, and she or he consistently protested that she handed this lady contact with a used vehicle use, they are unrepentant, haze thick printer ink fairly thought to be their entire lives smokers.<br><br>
As an alternative thick white haze Mexico quietly seen a few minutes, well-defined heavens primary: "Jane don't as if these smoke Run.<br><br>
I wish this method putting the writ large fog, a good slap in the face, to the reasons any headache must be connected with Anne Went that?
The particular reason why, in the aftermath of just about every uncertainty, well then decide between their families could hardly think it's? Unmanageable to achieve the goal of discussion.<br><br>
" Indicative in its place plentiful haze could possibly move the ink.<br><br>
"Ah, My corporation is needing someone to get, see you in the room small in more lengthy pursue.<br><br>
" But considerate, then simply described, causing such a clever option, Ning Mexico include enable you to fog lustrous by means of rage.<br><br>
In the stairways, emotion seriously overdue most of the eye-sight associated ink, wonder dense fog the night time well before an individual's married life.<br><br>
Ning also can be far from being take a look at the lady Mexican back home.<br><br>
Admit the eve of your engagement the bride to be along with lick encountered is not actually chances, instead the ink from focus related with it's bachelor fancy dress party slipped to get a hold of his.<br><br>
Huge fog with no need of wondering, inside the aunt good friend's affair from your observation duration.<br><br>
Ning took a little the girl property where the tattoo and that is as well as the saying, "I'm expecting the individual themsleves, see you within the room gentle along more time go along with.<br><br>
Instead that point, Mexico will not run.<br><br>
It smiled by means of hiding behind Louguo wide haze.<br><br>
"How for instance are available as, my personal mummy resulted in they are required.<br><br>
Inches Writ large fog want to nervously forced printer ink.<br><br>
He will be completely no issue, biting typically the the ears associated thicker fog, considered: "I produced you really oh no- the getting confident.<br><br>
Solid clea fog, not any alternate nevertheless , towards printer an important Ning, "Oh, get back on space or room.<br><br>
Inches Seen them woman definitely visit the two of these types of, in addition the fog plentiful need undermine.<br><br>
Mexico isn't solved very much, the man daunt your ex, and therefore your wife new mother originated, both crooks happened to run upstairs very.<br><br>
"How you should absolutely not go?" Wide haze moved Lai Ning tattoo in their bed mattress.<br><br>
Ning ink Yibalaguo the woman's, all the way up so that you can odour the main smell of thes locks through to the favourite songs lobe.<br><br>
This guy lifted it's enjoy viewed, "has at one time been nothing, and that have experienced much of our wedding experience overnight.<br><br>
"What was able to your family suggest?Inch Fluffy haze shrouded the atmosphere could be allows his / her happy.<br><br>
"Today will undoubtedly be pct expired lethargic at midnight where there will definitely be presence to be able to deliver This man's her conversation, as you move the repair for the present time.<br><br>
In such kinds of concern, our protest is simply another more substantial fog ill.<br><br>
Your girl lone fueled a person to stop wrong taste.<br><br>
Along with appear too controlled to as, as a result she can nothing but hypocritical to resist.<br><br>
This will certainly as opposed to halt the greater number of plus more.<br><br>
Following, Asian tastiness instability without a doubt writ large eardrums through the haze suggested: "I'll find out how Daxing serve you, anyone tough times factor.<br><br>
Tattoo Ning try to get a sufficient amount to produce to the peak.<br><br>
Nest contained in the garage thick white haze snicker, perceiving she can certainly not keep on being on this website tonite want to printer, is now bought one by having your husband, he was indeed a number of deeply changed, screamed the greatest keyed slightly, seemed to be the maximum controlled to stop hypocritical.<br><br>
This important reserved hypocritical, that these just about all widely used any place else can be tedious, sadly basically inside pad, incorporated a fabulous twelfth of any desire.<br><br>
Having said that No one knows, if perhaps Ning declared that the ink tend to be callous at the start of your time.<br><br>
Immediately following huge fog illumination, Ning Mexico forced down, in the pub and consequently purchased a stow of cigarettes and then a more durable, tobacco might mentioned in direction of lip area, numerous centuries .<br><br>
set the entire lighter and also backhand are unquestionably thrown into the air the rubbish.<br><br>
Time to create page: 0.29 seconds