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ASC

Automated Steering Controller

An extremely accurate robot, our Automated Steering Controller (ASC) is used for generating precisely controlled and repeatable steering maneuvers. Steering profiles can be derived from feedback based on vehicle responses, such as vehicle speed. The Controller can be easily programmed to provide any type of steering profile. The portable steering controller can be used to conduct all NHTSA rollover and handling maneuvers, including FMVSS126​

Features

User friendly device with high torque to reliably perform a wide variety of tests, including the NHTSA Fishhook Maneuver and FMVSSl 26

Easy to install (average installation time is 30 minutes)​

Without removing hands from the wheel, the driver presses two buttons to activate controller​

Generates 75 N-m of steering torque​

Roll rate and/or other signals can be monitored and used to prompt steering and handling dynamic maneuvers​

Playback feature - records any driver-initiated steering input and can playback identical steering profile​

Vehicle speed, or other variables, can be displayed in view panel​

The PC communicates with the controller over Ethernet (or Wi-Fi)​

Any steering profile can be quickly programmed through a graphical user interface (GUI) that runs on Microsoft Windows (laptop or tablet)​

The controller accepts vehicle state feedback over CAN bus from GPS/IMU packages such as Oxford RT series and GeneSys ADMA or analog channels​

Digital inputs and outputs available for user selectable triggers and flags​

Specification

Handwheel Unit weight: 14.5 Kg
Diameter: 380 mm
Thickness: 12S mm main unit, 180 mm including mounting
Electronics Box Weight: 7.7 Kg
Dim ensions: (LxWxH)- 4 SO mm x 240 mm x 21 S mm
Battery Box Weight: 11 Kg
Dim ensions: (LxWxH)- 33S mm x 180 mm x 1 SO mm
Computer Requirments Windows XP or later
Requires ethe rn et port or Wi-Fi
Power Requirements 12 VDC @ 10A
Maximum Torque > 7S N-m (55 ft-lb)
Maximum Torque at 720 °/s > 69 N-m (50 ft- lb)
Maximum Angular Rate 1800 °/S
Torque Measurement
(based on motor current)
Steering torque is largely proportional to the motor current,
with some dependency on steering rate and system friction
S-E-A uses a dynamometer to ca librate the current-torque relationship
Angular Resolution < 0.04 °
Angular Accuracy (measurrnent) 0.1 °
Angular Accuracy (control) Depends on manueve r. Typically < 2° for overshoot and < 5° at steady state
Data Acquisition (DAQ) ASC > 100 channels at 100 Hz from various sources