The servolectric electric power steering system consumes energy only when the driver actually turns. Pdf catalogs for vehicle parts from zf aftermarket zf. It meets the requirements of all passenger car classes and even light commercial vehicles with only three variants. Aug 08, 2017 zf confidential zf launches column drive electric power steering in the us market steering system launches on the allnew 2017 jeep compass contributes to improved fuel economy and reduced greenhouse gas emissions electric steering embodies intelligent mechanical systems and enables enhanced safety and automated driving functions. The steering system, which accurately conveys road conditions to the driver, is indispensable for safe and comfortable driving. Publishers pdf, also known as version of record includes final page, issue and.
Required torques selflocking screws and nuts must always be replaced. Electric power steering systems are appearing in an increasing number of vehicles every year. Zf presents prototype of electric steering system oem off. Zf not only offers highly efficient transmission systems for better fuel economy. Thats because the goal is electric drives and hybrid transmissions for everyday use. This paper describes an experiment on electric power steering eps system of a car. Pdf control of an electric power assisted steering. The ev series is based on proven trw pump technology and offers a 20% increase in pressure rating over its predecessor. Zf aftermarket is a leading professional in driveline, chassis technology as well as active and passive safety technology. Electric power steering system according to one of claims 1 to 4, characterized in that the first guide bushing 7 forms an axial stop for the axially displaceable component 4. Epump kit1 universal electric power steering pump kit overall sizes steering 235mm 25mm mounting rubber blocks 4 off in kit. Electric power steering system overview in eps several types of system layouts are common, e. Nexteers electric power steering eps gives you comfort, control and feeloftheroad. Its design is based on the principle employed in a classic hydraulic power steering system.
Zf launches column drive electric power steering in the us market. This paper presents a new control strategy of electric power assisted steering epas systems to ensure several control objectives. Electric power steering system according to one of claims 1 to 3, characterized in that the first andor second guide bushing 7. Mar 03, 2020 mar 03, 2020 ab digital via comtex the global electric power steering market is estimated to be usd 25. Zf aftermarket neuwied remove and install steering gear publication xzb3502en jrb5090 note. Driveline chassis electronics passive safety steering driveline chassis electronics.
Speed sensor mounted to the zf this sender works with the vdo adapter. Epas performance application specific electric power steering conversion kits. Its powerful electric motor offers complete servo power of up to 70 nm. The sensors send information about the steering torque, driving speed, and the steering angle. Power steering oil 0,00 litres power steering oil specification observe manufacturers specifications. Jul 05, 2018 during the zf technology days, june 26 29, the company unveiled its reax eps, the worlds first prototype of a fully electric steering system for commercial vehicles that eliminates the need for hydraulics and associated peripheral components. The assist characteristic of epas is set by control software, which is one of the key issues of epas.
It is currently only used in lefthanddrive vehicles. Products and spare parts for trucks and buses zf aftermarket. This steering system uses a combination of tried and tested components and innovative new features. In all layouts, electric motors are connected to the steering mechanics to in. Nov 21, 2012 zf servolectric electric power steering system. Hybrid and electric turnkey solutions enable semis and other heavy cargo carriers drive locally emission free. Servolectric electromechanical steering system for a dynamic. True to the slogan of zf electrifies everything, the group offers purely electric and hybrid solutions for all vehicle segments, from bicycles to 40ton trucks, from tractors to race cars. When a driver feels the steering control over hisher vehicle is not like it should be, it is up to you to determine if there. Dedicated to supporting global remanufacturing, we partner with our customers to customize programs that best fit their needs. Traditional power steering systems are hydraulic systems, but electric power steering eps is becoming much more common.
Application note electric power steering eps infineon. The vehicle is provided with basic functions such as running, turning and stopping. The control and steering assistance are controlled by the electric current. Jun 28, 2018 zf has unveiled its reax eps, what the company says is the worlds first prototype of a fully electric steering system for commercial vehicles. The steering system covers one of these basic functions, turning. New steering systems for tomorrows mobility bosch mobility. Electric power assist steering system parameterization and optimization employing cae. An ecu with a control algorithm reads sensor information from a steering wheel.
Electric power steering system with the servo unit on a second pinion. Pdf zf active steering in the steering column zf lenksysteme. Zf replacement steering parts from an authorized dealer. Power steering systems supplement the torque that the driver applies to the steering wheel.
Tips for diagnosing and troubleshooting the power steering. Eps electric power steering new vishay intertechnology. In addition, its size is noticeably smaller and more compact and able to handle the demands of higher system pressures. Nowadays eps system can be considered as a mechatronics system that reduces the amount of steering effort by. Modeling and control of a truck steeringsystem for active driver. The assist of epas is the function of the steering wheel torque and vehicle velocity. Electric and electrified drives are an essential lever for rapidly reducing emissions from local traffic.
Eps eliminates many hps components such as the pump, hoses, fluid, drive belt, and pulley. Zf servolectric electric power steering system springerlink. I was looking at the super atv kit, but knew i could find the set up cheaper. Electric power steering eps systems application note 8 v 0. Yamahas electric power steering, an industry first, reduces fatigue and makes riding more comfortable, especially when traversing over rough terrain or riding with the racks loaded. Belt drive electrically powered steering system features a modular design for c.
In this section you can find all our relevant trw truck steering service literature manuals and procedures listed by product category. The servolectric electric power steering system controls and assists the steering of vehicles by means of an electronically controlled electric motor. A hydraulic powersteering model is developed based. Automotive electric power steering eps market growth. Its electric motor offers complete servo power of up to 70 nm. Power stage, dc link current sensor resistor array product name status description features package qlevel acas 0612 at precision thin film resistor array relative tcr 5ppmk relative tol 0. Zf presents the worlds first prototype of an electric. India electric power steering eps market growth, trends, and forecast 2020 2025 the indian electric power steering eps market is segmented by type column type, pinion type, and other types, component type steering column, sensors, steering motors, and other component types, and vehicle type passenger cars and commercial vehicles.
The bosch servolectric electric power steering system combines the convenience of automated driving with the highest safety for the driver. Pdf an experiment on electric power steering eps system. Our download portfolio pdf catalogs for vehicle parts. Zf presents prototype of fully electric steering system. Pros in driveline, safety and chassis technology zf. Zf claims that servolectric can reduce power consumption by over 90. An oil circuit and a power cylinder provide the hydraulic steering assistance for the steering wheel motions of the driver. Steering systems for heavy duty trucks are made up of many components from the steering wheel to the road wheel. Zf replacement steering parts power steering pumps. Find your pdf catalogs for spare parts to download free of charge. Brackets need to be made to mount pump using the rubber mounting kit supplied with the kit 160mm epump kit1 technical specifications. Iii electric power assisted steering system for automobiles m. Electric power steering systems with paraxial drive are designed. The purpose of the steering system is to give the driver directional control of the vehicle.
Advantages of the ephs electrically powered hydraulic steering when driving solely on motorways, there is a high power loss at the bypass valve in a conventional powerassisted steering system as a result of the high engine speed, in other words at low steering angle rates and high engine speed, the power steering pump supplies an excess. Ssp 399 electromechanical steering with parallelaxis drive. Additionally, zfs electrically powered steering eps system is designed to support steerbywire applications in the future. Electric power steering eps with gmrbased angular and linear hall sensor.
These systems can be found on a wide variety of vehicles from trucks to small cars. A broad portfolio of complete driveline and steering system solutions for commercial vehicles helps the transport sector achieve better efficiency. First, a reference model is employed to generate ideal motor. Electric power steering installation in the pantera. Electrically powered steering belt drive zf zf friedrichshafen ag.
The electric power steering system developed by us in 1988 first in the world is superior in fuel consumption as well as in the ease of installation and boasts the top share even now. Electric power steering market analysis, trends and. Using an electric motor and worm gear, an additional turning moment can be applied to the input shaft of the rbservocom in. The lightweight and compact eps creates various merits for the future, in addition to improvements in fuel efficiency due to its lightweight. Steering diagnostics service manual trw automotive. Belt drive eps systems by zf, offer premium performance power steering solution for c segment vehicles through to full size trucks with up to 18kn rack load. It reortedly eliminates the need for hydraulics and associated peripheral components. Operating voltage range 10 to 15 v dc maximum current draw steering full lock. Eps also enables adas features, such as lane keeping, park assist, active return to center, traffic jam assist and much more. Ebay power steering, eps, electric power steering kit. Rahman encyclopedia of life support systems eolss the hydraulic steering system of presentday automobiles which appears so natural and appropriate, took nearly 50 years to mature after the first introduction. In some motorsport and road applications were room in the engine bay is limited due to additional engine modification, turbo inter cooling pipes etc, it is difficult to use or fit a normal engine driven power steering pump. The parallelaxis power steering is part of the latest generation of electromechanical steering systems.
As a global oe and aftermarket sealing expert for over 40 years, we offer oe quality power steering seal kits from our stateoftheart research and manufacturing facilities. Electric power steering automotive products nsk global. Electric power assisted steering system for automobiles. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. Electric power steering eps system is an alternative to traditional steering systems, such as hydraulic and electrohydraulic systems. Electric power steering has a bright future as autonomous and active safety systems are being engineered to take the wheel. The automotive electric power steering eps market was valued at usd 19. Allelectric power steering makes the perfect addition. Zf lenksysteme has 20 locations in eight countries. Epump kit1 universal electric power steering pump kit.