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For AE-type electric gear motor actuators, CV-type hand wheel actuators are employed as backup emergency actuators.
When the AE-type swivel actuator is in operation, the CV hand wheel is dormant.
The handwheel actuator consists of a driver input shaft, a gear train connected to the shaft, a motor responsive to control signals from a controller and variably geared to the gear train, an electro-mechanical brake responsive to control signals from the controller and geared to either the driver input shaft or the gear train, and a stop mechanism attached to a housing and coupled to either the electro-mechanical brake or the gear train.
The Global automotive handwheel actuator market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
The innovative steer-by-wire steering mechanism, developed by Hitachi Astemo, Ltd., replaces the traditional steering wheel and increases passenger space.
An crucial technology for self-driving cars and other next-generation vehicles, steer-by-wire is a feature that steers the vehicles electrically.
The steering and turning actuator is connected by steer-by-wire technology, which offers the advantages of increased safety and comfort as well as interior design flexibility.
The actuator is a device that transforms power from the driver’s or the vehicle’s motive force into an action via electric signals to steer the vehicle.
Hitachi Astemo is developing steer-by-wire technology in advance of automated driving by utilising the resources of the whole Hitachi Group.
New steer-by-wire technologies provide automakers more design freedom when creating next-generation vehicles, whether they keep the traditional steering wheel or do away with it entirely.
A simple mechanical device for steering feedback, the optimization of the turning actuator, and the elimination of control devices on the steering wheel/device all contribute to the system’s cost-effectiveness and allow for the optimization of driver assistance controls like emergency avoidance and behaviour compensation control.
Fail-safe functions are included to ensure that the system continues to work in the case of a breakdown or loss of circuitry in order to prevent failures, which are a concern with steer-by-wire systems.
The actuator is powered by two different sources, and the steering angle sensor in the actuator determines the steering device’s input angle.
