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A steering motor, which can be placed on the steering column or the steering gear, delivers torque to the steering column, aiding the driver in moving the steering wheel. At the moment, steer-by-wire technology is gaining traction. It does away with the physical connection between the steering wheel and the car’s wheels by using electrically driven motors to change the direction of the wheels and offer feedback to the driver.
The growing use of Electronic Power Steering (EPS) in modern cars is a major driver of the automotive steering motors industry. EPS systems offer numerous benefits to both drivers and vehicles; they minimize fuel consumption and emissions. The steering system of a car has two primary functions: first, it allows the driver to direct the vehicle along a chosen route or trajectory without needing undue physical effort, and second, it aids the driver in judging driving conditions by providing feedback. The latter is a subtle component of the steering system, with the driver in the feedback loop attempting to minimize any deviation from the planned route that the vehicle may have.
The steering system comprises the components that allow the driver to turn the vehicle’s front wheels and, in certain cases, a limited degree of steering by the rear wheels. The overall function of the steering mechanism has not altered significantly since the early days of the car. The basic functioning and purpose of the steering column has not altered significantly; the column allows the driver to control the direction of the front wheels and offers some leverage to make steering simpler. Early steering columns housed the steering shaft, steering wheel, and frequently the choke and ignition timing advance controls.
A steering motor, which can be placed on the steering column or the steering gear, delivers torque to the steering column, aiding the driver in moving the steering wheel. At the moment, steer-by-wire technology is gaining traction. It does away with the physical connection between the steering wheel and the car’s wheels by using electrically driven motors to change the direction of the wheels and offer feedback to the driver. The growing use of Electronic Power Steering (EPS) in modern cars is a major driver of the automotive steering motors industry.
Some of the main reasons driving market expansion include increased use of EPS in modern vehicles and increased penetration of Steer-by-Wire Technology. The global automotive market is expanding at a rapid pace, despite constant demand for passenger and commercial cars. Developing nations like India, China, and Brazil have the highest need for automotive and replacement parts. Given the quick speed of technological advancements in the automotive industry, key businesses are focused on the comfort and safety given to the driver, where the vehicle power steering system plays a critical part in modern-day cars.
As a result, engineers in the field are obliged to design solutions that keep up with this transition. One such advancement is electric power steering, or EPS. Because the system does not use oil or harm the environment, it utilises approximately one-twentieth the energy of traditional hydraulic power every time the steering wheel is moved by the driver. Furthermore, the software incorporated within the EPS controller allows for improved performance and simple tweaking. When it comes to the kind of automobile steering system, EPS has the greatest value share in Japan and Europe. Because it consumes just 25% of the total energy, EHPS is an innovative substitute for belt-driven power steering pumps.
The Global Automotive Steering Motor Market can be segmented into following categories for further analysis.
Electric Power Steering is primarily an energy-saving method for cars. It is a relatively new idea that is about to be implemented in vehicles all around the world. It is anticipated to be widely used in a few years, if only to reduce energy consumption in current automobiles. Additional benefits may include more flexibility in steering system position, tuning of the steering system to meet the demands of a given car or an individual driver, and dependability, all of which are currently lacking in the hydraulic assisted power steering system.
The most recent technology has been the EHPS Motor System based steering technology. The EHPS is made up of two electric motors, each with an electronic control unit, a vane pump, and a customer-specific mounting bracket. The integrated power electronics concurrently adjusts the speed of the motors in line with the needs of the steering manoeuvre (setpoint setting). Here, the motors rotate in opposing directions. The motors are brushless direct current (BLDC) motors that are permanently excited and consist of a housing, a stator, and a rotor.
All driver assistance capabilities and autonomous driving are supported by the EPS’s new modularly constructed steering control unit (control unit with an electric motor). When employing multiple steering control unit versions within a vehicle series, the scalable and modular architecture provides for maximum flexibility. The steering control unit is also available in a highly integrated form, with communication options including CAN-Bus, CAN-FD, and Flexray. As a result, the redesigned steering control unit is suitable for applications at all SAE levels. The steering is secured against cyber assaults in all models owing to the Bosch Security Concept. “Over-the-air” technology is used to provide functions and upgrades.
Tires are the heart and soul to operational mechanism of the EV at all times throughout its life that contributes to being the least expensive conglomerate part onboard the vehicle. The EVs tyres need to be technologically advanced and better modified through various requirements being fulfilled at all times. the additional weight of any batteries and electric motor is offset by increasing the load-bearing capacity of the tire carcass, as indicated on most tires by an XL symbol on the sidewall. Energy losses due to tires are of particular concern to EV manufacturers. With rolling resistance accounting for up to 20% of a vehicle’s energy consumption.
Robert Bosch has been developing new technologies which are involved in development of new steering motor and steering system technologies. The Bosch EPS variants meet the requirements for small, mid-range, sports cars as well as light commercial vehicles. The EPS has an electric motor which controls the vehicle steering. With an electric motor the EPS controls and assists vehicle steering and provides an optimal and enjoying steering feel. Additionally, the new generation of control units provide security in case of an error. The electric interface enables highly automated driving with maximum security till SAE-Level 4.
The EPS controls and assists with the support of an intelligent electric motor the vehicle steering. Based on the steering signal from the torque sensor, the control unit calculates the optimal steering support and sends the information to the electric motor to provide the necessary assistance.
Allied Motion is involved in development of the latest technology integrated approach towards better electric steering moto and actuator systems in the market. The Allied Motion EPS series are tiny, fully integrated brushless electric steering actuators designed for use in warehouse trucks (lift trucks, reach trucks, and so on), AGVs/AGCs, and similar vehicles. The EPS actuator is a full-fledged steering subsystem that includes a brushless motor, gearing, a programmable electronic motor controller, and CAN connectivity. The EPS series comes in three frame sizes and 16 variants to meet almost every electric steering need of the intended applications.
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