Project Overview
SOC Robotics is working with Brad Zdanvisky and others to develop
the control electronics and hardware for an Assisted Power Wheelchair. The goal is to
create instrumentation and
a control system capable sensing an incline so that
motors can delivery the appropriate amount of power to the wheels to
maintain the level of physical exersion constant on inclines as on flat
level surfaces.
The project will use several existing SOC
products such as our Wasp with 3-axis accelerometer, RG30 3-axis rate
gyro, digital compass, SAM48 ARM7 processor with USB 2.0, ZB10 Zigbee
module and our 6A H bridge PWM driver for the DC motors. Each
wheel will be instrumented with a hall effect rotary sensor, 3-axis
accelerometer, 3-axis rate gyro, ATmega644 processor and Zigbee wireless
communications module. A master controller will be mounted the the
seat and will consist of an ARM7 processor, 3-axis accelerometer, 3-axis
rate gyro, digital compass and two motor controllers.
The first prototype is expected to be
completed before the end of 2009. This is a collaboration between
SOC Robotics, Brad Zdanvisky and others. Most of the resulting
technology will be made available as an open source project.
Brad is an avid rock climber. A
video of his climb up the Stawamus Chief in Squamish BC in July 2009 is
here BradClimb.mpg. A video
of the test ramp at iCorp in Vancouver is here
iCorptest.mpg.
For more information feel free the
contact SOC Robotics, Inc.
Brad can be contacted at
www.verticalchallenge.org.