How does steer by wire work? | All-New Lexus RZ 450e
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- čas přidán 28. 07. 2024
- The One Motion Grip steer-by-wire system is one of the most significant new technologies featured in the all-new, all-electric Lexus RZ. There is no mechanical link and no conventional steering column; instead, an electrical connection is used to send inputs from the steering wheel and the wheels. The result is instant response and more precise steering control.
The driver will also notice less steering wheel sway when travelling over rough roads; stable control and correction in strong crosswinds; and excellent straight-line performance on angled surfaces. Steering feel is important for driver confidence and control. Lexus engineers have ensured the system still provides feel and feedback at all times, maintaining a strong connection between driver and car.
The optional One Motion Grip steer-by-wire system comes with a new steering yoke, replacing the traditional steering wheel. The steer-by-wire technology requires less steering effort from the driver: with only a 150-degree turn of the yoke needed to move from straight ahead to left or right lock, there is no need for hand-over-hand turns.
00:00 Introducing Lexus Steer by Wire
00:16 How does steer by wire work?
00:40 How is steer by wire different from normal steering?
1:19 What are the advantages of steer by wire?
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#Lexus #SteerbyWire #LexusRZ #ElectricCar #BEV - Auta a dopravní prostředky
"Bro got bluetooth steering wheel" memes coming soon
I still have my Rx330 from 2004, tape player and all. Best car I have ever owned
great videos
I'm curious about whatever servos are in the steering wheel to mimic the force feedback that we are used to from mechanical steering. Like how the steering wheel in a traditional setup pulls back to center when you start driving forward after backing out of a parking spot.
There's a motor that generates the resisting torque. Regarding how the steering wheel returns, simply depends on the motor control
This is like a high end Simcube 2 pro wheel. Has any every played game on G29 here ?
why would you ever want to feel the impact of the road to the wheel feeling? Its much more comfortable not to feel anything. In my country there are plenty of shitty roads thats only pain in the arse while holding the wheel because its just shake the hell out of your hand and shoulders
This looks promising for people with only one hand or an injury of the hand, arm, or shoulder.
What if the ’electrical’ connection fails?
Morning Clive. Thank you for your question. Steering feel is important for driver confidence and control. Lexus engineers have ensured the system still provides feel and feedback at all times, maintaining a strong connection between driver and car. There is also fail-safe provision of processors and an emergency power supply, should the system lose its principal power supply.
There should be a fail safe system as most modern cars are equipped with drive-by-wire (gas pedal)
Please confirm that you want to log out from Earth ?
@@LRS905 They won't either. Also if the power dies in the driveway and you want to push it to a charging point, you cannot release the handbrake without a special tool and, you cannot steer it, so the charger better be in the same line as the position you left the wheel in.
Notice the render showed the piece that takes the physical connection is still there. Looks like this steer by wire may be an optional extra thankfully.
@@LRS905 they did. There are backup systems and a separate power supply. This isn't entirely new tech. There are other wire systems in everything from airplanes to other cars. Do you worry that the plane will fall out of the sky?
Bravo Lexus! Finally, you did something worth. Even Tesla didn't do it yet.
which company produce this steering?
It's a next level technology. I have expecting this technology for long. It's boring to have to steer more than 360 degrees to make a turn.
Steer by wire is a game changer. Great technology advancement, Lexus.
'til systems fail
@@holycow4691 exactly what I was thinking
@@holycow4691 pretty sure its safer than what most cars currently have, but okay. It also has a backup power system in case that does happen
@@holycow4691 it's made by the Japanese. Probably be reliable asf. But I bet the next Lexus IC car has something in-store for us too
@@holycow4691that’s what they said about flybywire in aircraft and now look they are safer than ever before and much easier to operate than their older counterparts
Is it hackable
Do you guarantee this system will never steer someone into danger either through a mistake with the automatic emergency steering or if it gets hacked.
Hi Mark, Lexus engineers have ensured the system has a fail-safe provision of processors and an emergency power supply, should the system lose its principal power supply.
My favorite car is Lexus keep it up Ok and when I grow up I will buy one
Who love Lexus?
This is great, seriously
thank you for reliable and luxuries cars
GREAT JAPANESE quality
Now you can be charged a subscription fee to enable steering!
Can it countersteer automatically?
Morning. It does not have a mechanical connection. The feel will be similar to that of a regular steering wheel and column, just much easier. There is a unique backup power source, so steering will still be possible. Learn more here: fal.cn/3rih4 Thanks.
I tend to think it is a terrible idea, but it is a Toyota and Toyota are very serious about long term reliability. Maybe, the self drive system takes over in the case of a steering signal fault?? Basic self drive could pull the car to a stop without too much drama. It'd suck, but better than a fiery death anyday.
Hello Graeme, thanks for your comment. There is a backup battery source for the steer-by-wire components in an emergency. Thanks.
@@lexusuk Having a backup battery is good, but what happens if the signal from the steering unit stops sending signals to the rack unit?
@@gglen2141 This might be a late reply.. but even that have a secondary back up wire to a secondary motor rack, there's a channel here in YT that explain this well. Yes I agree one should be worried about the safety of it, yet we tend to forget that many features in a car are powered by a wire, for example the throttle"gas pedal" in almost all cars now a days are powered by a wire yet we never see it fail. And lets not forget that this is lexus, which are known for their reliability and engineerings.
@@gglen2141 There's redundancy, and warnings if any systems fail. The warnings are there due to the redundancies, because you wouldn't be aware of a failure otherwise. It's at that point when you should take the vehicle in for servicing, rather than continue to drive on backup systems without redundancy, because that's when accidents will happen when the backup fails. People being people, there's no doubt there are some who will do exactly that.
what if theres a power steeing malfunction and you have no control over the car?
Good morning. We apologise, it seems we missed your question. There is an emergency back up system in the unlikely event that the steer-by-wire system fails. You can read more about it here: fal.cn/3q0jN Thanks.
dealership should offer funeral relief nowadays
At this point a Rear engine Front wheel drive can possibly be made. One step closer.
Does it still have mechanical connection?
I dont think so
@@saadhossain583 So how will it steer in case of emergency?
No, it does not have a mechanical connection. There is a unique backup power source, so steering will still be possible.
@@lexusuk Sounds cool! Looking forward to try it. Does it feel like driving in arcade?
The feel will be similar to that of a regular steering wheel and column, just much easier.
”Officer, I exited the freeway and when I tried to pull into the parking space the steering wheel turned the car much faster than I anticipated and I crashed into that car/person.”
So you're going to "heighten the engagement between driver and vehicle" by removing one of the last direct mechanical connections linking the two.
Seriously do these designer have any common sense or they just want to put in anything electrical controlled just because they can.
what a great brilliant innovation
But they put this on an suv
I think it does sound cool as concept. But Its a bad idea. No muscular memory and no direct mechanical linkage between the wheel and steering rack. All brands are triying to avoid all mechanical things, some things should remain mechanic though
One Motion Grip is optional, so if you prefer a traditional steering system, choose that instead. Thanks.
My ex loves “steer by wire”. I wire her money every month. The feeling of total control.
Ok... But why?
RWD 90KW battery would be enough range fot a customer who doesn't want all wheel drive
OK, but why?
Steer & brake by wire should just never be a thing.
If I die by crashing head-in into a Semi or running over a cliff, I want it to be my fault. Steering is the most critical control in a car to avoid accidents, with brakes second. With all prior systems, regardless of power-assist and RAG rubber connections, there was still a mechanical connection between steering wheel and gearbox (or rack).
Tesla cyber truck can give Lexus a pamphlet if they need😂
Yeah but how much will it cost to fix when it breaks? 🤣 I'll stick to conventional steering, hydraulic steering at that.
That's actually a really really useful feature and should be implemented in all future cars
Infinity started steer by wire I think
Потом как то заглючит электроника и человек попадет в дтп из-за по при связи колес с рулём. Отличная новинка. На последних мерсах тоже вроде нет физической связи руля с рецкой
I love all the comments about this system being unsafe because there is no mechanical connection. I bet half these people didn't even bat an eyelid when they got onto a modern fly by wire jet, with no direct mechanical links to the control surfaces on the plane.
Almost all cars are drive by wire, so throttle is 100 percent done with a wire.
sorry but steer by wire systems on planes have at least 3, many times even 5-7 levels of redundance. This is not the case with vehicles, not even AVs.
so what is your point?
Rain or ICE All Wheels are slippin Overdrive/Drift ( speed unclear) - try to counter Steer when Your Steering gear Ratio is Just luck now..
Ah and you have only a half steeringwheel because it Looks cool 🤫
It probably counter-steers automatically in cooperation with VSC/VDIM.
dude, you are just an Average Joe probably working in average job and have average intelligence level, while hundreds of engineers with university degree working on these systems. Guess what who knows better...
It's only 225 miles range. After, you use heat and air condition only run 180 miles. This is so disappoint for luxury SUV.
Until you get a short , battery goes flat . Then bye bye .
If you are watching this due to the cyber truck, signify with your favourite emoji.
❤
Patent Holder By Elon Musk FYI
Imagine the system fail in middle of highway
even worse a hacker controls your car.
logitech momo
Good luck when your car gets hacked or when the electrical system completely fails.
That is a system I will not want in my car.
広めてください」、
I'm just to old fashion, never would I drive a car who has a steer by wire !
I drove a Citroën once and all electronic fail out wile I drove it .
But I could turn for a bend.
With this car you would go off the road in to a tree !
Everthing works fine until the car gets older !
Don't do it !
Hello Ralph, we would firstly like to clarify that the steer-by-wire system is an optional feature on the RZ, a traditional steering system is available. Secondly, the steer-by-wire system has redundancy architecture, with dual microcontroller and dual power source. Therefore, the system will operate even if there is a single failure in the system. The system always seeks to keep the vehicle in stable condition. Thanks.
@@lexusuk Thanks for your replay!
Good luck, and good sales !👍🏽
Are they gonna put it on gas cars? I don't want EV.
How tesla missed this 😂 Lexus all the way!
they didn't. it's just not legal in the US yet
@@a-don13 This is false narrative thats been floating around the Tesla community. Tesla indeed delivered a half-assed feature aka, slapping on a yoke on a normal hydraulic steering.
For example, the Infiniti Q50 in 2014 had steer-by-wire. Felt like shit. They replaced with regular hydraulic steering.
In the U.S. at least, no part of FMVSS requires a physical connection between the steering apparatus and the wheels.
@@criancrna1487 what? The infinity Q50 still had physical links to the drive shaft that made the whole thing very heavy and expensive because they had to support 2 systems. And they improved it drastically on the next iteration before they axed it entirety.
When asked on Twitter Elon literally said that it's not legal in the US but that they'll aim for it in the next few years. What were they supposed to do. It's still not possible to not have a physical connect and just rely on digital connection for the steering system. You can go look it up
@@a-don13 Here is a direct copy and paste of what Elon Musk claimed on twitter:
Elon Musk on Twitter: "Progressive steering would require complex gearing or drive-by-wire without direct mechanical link. Will aim for that in a few years."
@@a-don13 Ok, then why does the world's largest and safest passenger plane (the A380) use fly by wire (which isn't any different from steer by wire other than one is meant for steering a plane) if you claim a digital connection isn't possible and a physical connection is still required.
Steering by wire has got to be one of the most stupid design choices ever made on a car up there with braking by wire. I don’t know what idiot thought it was a good idea to remove the physical connection from the steering wheel to your wheels but when not if the electronics has an error or fails on the road and you lose any ability to redirect the car and it’s going to kill somebody.
My 2002 Prius has braking by wire. It's not new.
If a chip in charge of controlling that burns out when you go 120 Km/h (or 5000 cockroaches/onions for Americans) what happens?
It cannot fail. Because Lexus learnt from BMW'S M5 drive by wire failure issues and designed this with double redundancy out of miracle grade Bolognium.
Stupid technology if mouse eat that wire u dead brooo
Has anyone actually used this thing? A steering wheel is naturally balanced for 9 and 3 hands position, Luxus SUV drivers are not F1 pilots, you should have copied Tesla not F1 cars or Cesna planes.