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August 22, 2011

Roboteq Unveils Dual Channel Brushless DC Motor Controller for Robotics and Small EVs

Roboteq, Inc., a company that specializes in introducing products and technologies that allow novices and professionals alike to build innovative, flexible and affordable mobile robots, has rolled out a new intelligent controller named HBL2350, which can drive two brushless DC motor up to 75Amps each at up to 50V.

The new HBL2350 poses a compact size measuring 9.0”L x 5.5”W x 1.6”H (228mm x 140mm x 40mm) with a robust extruded aluminum case, which also serves as a heat sink for its output power stage.

According to the company officials, this is first-of-a-kind dual channel, high current Brushless motor controller that allows users to implement 2-wheel drive small electric vehicles, Automatic Guided Vehicles (AGVs), balancing scooters, or any other high power brushless motor control application.

It is built in such a way that it can accept commands from either analog pedal/joystick, standard R/C radio for simple remote controlled robot applications, USB or RS232 interface.

Users can also the serial port with the HBL2350 to design fully or semi-autonomous robots by connecting it to single board computers, wireless modems or WiFi (News - Alert) adapters.

Apart from this, users can also take advantage of the basic Language Interpreter used by HBL2350 that helps in executing over 50,000 Basic instructions per second. This feature can be used to even write powerful scripts for adding custom functions, or for developing automated systems without the need for an external PLC or microcomputer.

The controller also includes two channels that help in operating the set independently or combined to set the direction and rotation of a vehicle by coordinating the motors on each side (tank-like steering). Users can operate the motors in open or closed loop speed or position modes with a 1 kHz update rate and the HBL2350 can use the motor's hall sensors or optical encoders to measure speed and travelled distance with high accuracy.

Other features of the controller include protection against overheat, stall, and short circuits and 11 analog, 19 digital and 6 pulse inputs. Also, eight 1A digital outputs are provided for activating lights, valves, brakes or other accessories.

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Jyothi Shanbhag is a contributing editor for TMCnet. To read more of Jyothi's articles, please visit her columnist page.

Edited by Tammy Wolf

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