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Ride quality

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Ride quality refers to a vehicle's effectiveness in insulating the occupants from undulations in the road surface such as bumps or corrugations.<a href="#cite_note-1">[1]</a><a href="#cite_note-2">[2]</a><a href="#cite_note-Reina-3">[3]</a> A vehicle with good ride quality provides comfort for the driver and the passengers.<a href="#cite_note-autospeed.com_part_1-4">[4]</a>

<div class="mw-heading mw-heading2"><h2 id="Importance">Importance</h2></div>

Good ride quality provides comfort for the people inside the car, minimises damage to cargo and can reduce driver <a href="Fatigue_(medical)" class="mw-redirect" title="Fatigue (medical)">fatigue</a> on long journeys in uncomfortable vehicles,<a href="#cite_note-5">[5]</a><a href="#cite_note-6">[6]</a> and also because road disruption can impact the driver's ability to control the vehicle.<a href="#cite_note-7">[7]</a><a href="#cite_note-8">[8]</a><a href="#cite_note-9">[9]</a>

Suspension design is often a compromise between ride quality and <a href="Car_handling" class="mw-redirect" title="Car handling">car handling</a> because cars with firm <a href="Suspension_(vehicle)" class="mw-redirect" title="Suspension (vehicle)">suspension</a> can result in greater control of body movements and quicker reactions. Similarly, a lower center of gravity is more ideal for handling, but low ground clearance limits suspension travel and requires stiffer springs.<a href="#cite_note-10">[10]</a>

<a href="Ambulance" title="Ambulance">Ambulances</a> have a special need for a high level of ride quality to avoid further injury to the already-ill passengers.<a href="#cite_note-11">[11]</a>

<div class="mw-heading mw-heading2"><h2 id="Technology">Technology</h2></div>

Early vehicles, like the <a href="Ford_Model_T" title="Ford Model T">Ford Model T</a>, with its <a href="Leaf_spring" title="Leaf spring">leaf spring</a>, <a href="Live_axle" class="mw-redirect" title="Live axle">live axle</a> suspension design, were both uncomfortable and handled poorly.

Historically, weight was key to allowing cars such as the <a href="Rolls-Royce_Silver_Cloud" title="Rolls-Royce Silver Cloud">Rolls-Royce Silver Cloud</a> and the <a href="Cadillac" title="Cadillac">Cadillac</a> in the 1950s and the 1960s to have a more comfortable ride quality. However, there are various drawbacks to heavier cars, including poor <a href="Fuel_efficiency" title="Fuel efficiency">fuel efficiency</a>, acceleration, braking, cornering and additional stresses on components.

Over time, technology has shifted the curve outward and so it is possible to offer vehicles that are extremely comfortable and still handle very well or vehicles with excellent handling that are also reasonably comfortable. One technical solution for offering both excellent comfort and reduced or eliminating body roll is by using computer-controlled suspensions, such as hydraulic active suspension system (like <a href="Active_Body_Control" title="Active Body Control">Active Body Control</a>) or active anti-roll bars, but such systems are expensive because of their complexity.

<div class="mw-heading mw-heading2"><h2 id="Factors">Factors</h2></div>

The main factor affecting ride quality is the stiffness of suspension components (e.g. <a href="Spring_(device)" title="Spring (device)">springs</a>, <a href="Shock_absorber" title="Shock absorber">shock absorbers</a>, <a href="Anti-roll_bar" title="Anti-roll bar">anti-roll bars</a> and <a href="Bushing_(isolator)" title="Bushing (isolator)">bushings</a>).<a href="#cite_note-12">[12]</a><a href="#cite_note-13">[13]</a> Other factors include suspension geometry, vehicle mass and <a href="Weight_distribution" title="Weight distribution">weight distribution</a>.<a href="#cite_note-autospeed.com_part_1-4">[4]</a>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20170806065707/https://www.rqriley.com/suspensn.htm">"Automobile Ride, Handling, and Suspension Design"</a>. www.rqriley.com. Archived from <a rel="nofollow" class="external text" href="https://www.rqriley.com/suspensn.htm">the original</a> on 6 August 2017. Retrieved 10 April 2018.</cite>

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<li id="cite_note-2"><a href="#cite_ref-2">^</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.ridetech.com/info/tech/what-is-ride-quality/">"What is Ride Quality?"</a>. www.ridetech.com. Retrieved 10 April 2018.</cite>

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<cite id="CITEREFReina2018" class="citation journal cs1">Reina, Giulio (2018). "On the vibration analysis of off-road vehicles: Influence of terrain deformation and irregularity". Journal of Vibration and Control. 24 (22): 5418–5436. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1177%2F1077546318754682">10.1177/1077546318754682</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:125696656">125696656</a>.</cite>

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<li id="cite_note-autospeed.com_part_1-4">^ <a href="#cite_ref-autospeed.com_part_1_4-0">a</a> <a href="#cite_ref-autospeed.com_part_1_4-1">b</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.autospeed.com/cms/article.html?&title=Ride-Quality-Part-1&A=112914">"Ride Quality, Part 1"</a>. www.autospeed.com. Retrieved 10 April 2018.</cite>

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<li id="cite_note-5"><a href="#cite_ref-5">^</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20150129123616/http://www.initialdave.com/cars/tech/suspensionbasics01.htm">"Suspension Basics 1 - Why We Need It"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.initialdave.com/cars/tech/suspensionbasics01.htm">the original</a> on 2015-01-29. Retrieved 2015-01-29.</cite>

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<li id="cite_note-6"><a href="#cite_ref-6">^</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.thetruthaboutcars.com/2012/09/suspension-truth-2-sport-suspensions-the-illusion-of-performance/">"Suspension Truth #2: Sport Suspensions – The Illusion of Performance"</a>. www.thetruthaboutcars.com. 2012-09-07. Retrieved 12 April 2018.</cite>

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<li id="cite_note-7"><a href="#cite_ref-7">^</a> <cite id="CITEREFKasaiezadehJahromiAlasty2005" class="citation book cs1">Kasaiezadeh, Alireza; Jahromi, Mohammad Rafiee; Alasty, Aria (2005-04-11). "Fatigue Life Assessment Approach to Ride Comfort Optimization of a Passenger Car under Random Road Execution Conditions". SAE Technical Paper Series. Vol. 1. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.4271%2F2005-01-0805">10.4271/2005-01-0805</a>.</cite>

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<li id="cite_note-8"><a href="#cite_ref-8">^</a> <cite id="CITEREFKumbhar2013" class="citation thesis cs1">Kumbhar, Prasad Bhagwan (August 2013). Simulation-Based Virtual Driver Fatigue Prediction and Determination of Optimal Vehicle Seat Dynamic Parameters (MSc). Texas Tech University. <a href="Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<a rel="nofollow" class="external text" href="https://hdl.handle.net/2346%2F50297">2346/50297</a>.</cite>

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<li id="cite_note-9"><a href="#cite_ref-9">^</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://dazecars.com/dazed/suspension101.html">"Mustang Suspension 101"</a>. www.dazecars.com. Retrieved 12 April 2018.</cite>

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<li id="cite_note-10"><a href="#cite_ref-10">^</a> <cite id="CITEREFElsTheronUysThoresson2007" class="citation journal cs1">Els, P.S.; Theron, N.J.; Uys, P.E.; Thoresson, M.J. (October 2007). "The ride comfort vs. handling compromise for off-road vehicles". Journal of Terramechanics. 44 (4): 303–317. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2007JTerr..44..303E">2007JTerr..44..303E</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.jterra.2007.05.001">10.1016/j.jterra.2007.05.001</a>. <a href="Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<a rel="nofollow" class="external text" href="https://hdl.handle.net/2263%2F26302">2263/26302</a>.</cite>

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<li id="cite_note-11"><a href="#cite_ref-11">^</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20150129062448/https://www.wpi.edu/Pubs/E-project/Available/E-project-042712-134653/unrestricted/FINAL_AUCAS_MQP_Report.pdf">"Ambulance Universal Chassis and Suspension (AUCAS)"</a> (PDF). Archived from <a rel="nofollow" class="external text" href="https://www.wpi.edu/Pubs/E-project/Available/E-project-042712-134653/unrestricted/FINAL_AUCAS_MQP_Report.pdf">the original</a> (PDF) on 2015-01-29.</cite>

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<li id="cite_note-12"><a href="#cite_ref-12">^</a> <cite class="citation news cs1"><a rel="nofollow" class="external text" href="http://www.hotrod.com/articles/ccrp-0303-springs-ride-quality/#springs%20are%20primary">"Understanding Springs And Ride Quality – Tech"</a>. Hot Rod. March 2003. Retrieved 12 April 2018.</cite>

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<li id="cite_note-13"><a href="#cite_ref-13">^</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.autoexpress.co.uk/best-cars/40950/best-ride-quality">"Driver Power 2012: Best for ride quality"</a>. www.autoexpress.co.uk. Retrieved 12 April 2018.</cite>

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<div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2></div>

<ul><li><cite id="CITEREFGranlundLindström2004" class="citation journal cs1">Granlund, N.O Johan; Lindström, Fredrik (2004). "Reducing Whole-Body Vibration by Geometric Repair of Pavements". Journal of Low Frequency Noise, Vibration and Active Control. 23 (2): 103–114. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2004JLFNV..23..103G">2004JLFNV..23..103G</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1260%2F0263092042869829">10.1260/0263092042869829</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:110127256">110127256</a>.</cite></li>

<li><a rel="nofollow" class="external text" href="http://www.roadex.org/uploads/publications/docs-RIII-EN/Health%20Issues%20-%20RIII.pdf">Health issues raised by poorly maintained road networks, The EU Northern Periphery Roadex III project (co-funded by the European Union)</a></li>

<li>International standard ISO 2631-1 (1997) Mechanical vibration and shock—Evaluation of human exposure to whole-body vibration—Part 1: General requirements.</li></ul></div><div><div class="zim-footer">

This article is issued from <a class="external text" title="Last edited on 2025-03-14" href="https://en.wikipedia.org/wiki/?title=Ride_quality&oldid=1280451694">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.

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