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Dual Channel Brushless DC Motor Controller Targets Small Electric Vehicles, Robotics

Mon, 08/22/2011 - 7:31am
dual channel motor controllerRoboteq, Inc. introduced the HBL2350, an intelligent controller capable of simultaneously driving two brushless DC motor up to 75 A each at up to 50 V. This motor controller allows users to implement two-wheel drive small electric vehicles, automatic guided vehicles (AGVs), balancing scooters, or any other high power brushless motor control application. The controller accepts commands from either analog pedal/joystick, standard R/C radio for simple remote controlled robot applications, USB or RS-232 interface. Using the serial port, the HBL2350 can be used to design fully or semi-autonomous robots by connecting it to single board computers, wireless modems or WiFi adapters. The device incorporates a Basic Language Interpreter capable of executing over 50,000 Basic instructions per second. This feature can be used to write powerful scripts for adding custom functions, or for developing automated systems without the need for an external PLC or microcomputer.

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

The HBL2350 features intelligent current sensing that will automatically limit each of the power outputs to 75 A in all load conditions. The controller also includes protection against overheat, stall, and short circuits.

The controller includes up to 11 analog, 19 digital and 6 pulse inputs. Eight 1A digital outputs are provided for activating lights, valves, brakes or other accessories. The controller’s operation can be optimized using nearly 80 configurable parameters, such as programmable acceleration or deceleration, amps limits, operating voltage range, use of I/O, and more.

Roboteq
602-617-3931, www.roboteq.com 
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