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In today's tough economy, "multi-user" vehicles are almost
a necessity due to personal scheduling conflicts as well as financial
concerns. Your vehicle's original airbag, steering wheel, accelerator,
and brake pedals remain fully functional for use by able-bodied
drivers. In fact, Digidrive II can be disengaged for able-bodied
usage in less than 30 seconds. The compact design of the Digidrive
II CPU mounts to the vehicle floorboard between the two front seats.
The most visible component of the Digidrive II system is the Joystick
Module. All driver inputs for controlling Gas, Brake and Steering
functions are accomplished with the 2-axis Joystick. The Steering
axis is side to side with left being left steer and right being
right steer. The front to back axis controls the Gas and Brake functions
with the direction being selectable as to push or pull for brake.
The Status Module is the method through which the system informs
you of its operating mode and displays the function of the sensor
systems. The Emergency Backup button is located on this module and
provides manual engagement of the backup systems.
DIGI COMPUTER MODULE
Fault Tolerant design means safer operation. All joystick, computer,
and power circuits are completely redundant (backup systems included)
within the Computer Module. Either computer processor can sense
irregularities in the system operating parameters and automatically
switch to the backup processor capable of controlling the vehicle
100 times faster than you could! Of course, you also have the option
of utilizing the "manual" Emergency Backup switch.
Diagnostic ports allow your installing dealer to update any software
changes from EMC and to print diagnostic reports detailing the operational
history of your driving system to include, hours of operation, detailed
fault analysis, and vehicle type. The Computer Module can be configured
to operate up to 256 different makes/model years of vehicles, as
they become applications for Digidrive II.
Driver Training ports are standard equipment on all Digidrive II Computer Modules and enable you to receive your required driver training in the comfort of your own personal vehicle. Your personal driver evaluator/trainer simply plugs their EMC Evaluator Panel into your Computer Module when they are driving with you. Contact your dealer or EMC for the evaluation center nearest you.
STEERING MODULE
The DS-2000 addresses all of your safety concerns surrounding air
bag removal, horizontal steering, factory hydraulic system modifications
and able-bodied drivability. This is the world's first and only
Digital Steering System and DS-2000 is engineered and manufactured
with the latest in technology and function. The DS-2000 eliminates
the need for zero and reduced effort steering box modifications.
The steering effort stays factory with no modifications! DS-2000
also eliminates the need for conventional hydraulic backup systems
with the use of redundant computers and a powerful, 4-pole steering
servo design. The factory steering column remains fully functional
for able-bodied operation. The Steering Module, with its six-inch
steering wheel, can be located anywhere in the driving area. The
effort of the miniature steering wheel is approximately 6-10 oz.
at a 4-inch radius. To further meet your needs, EMC manufactures
several orthotic interfaces (see orthotic devices) and the orthotic
neutral position can be changed by the driver while stopped at a
stop sign. The DS-2000 Steering Module features a Status Display
panel with high intensity status lamps and audible warnings to convey
system information to the driver. The Steering Wheel utilizes a
"friction" sleeve for increased feel as well as clutched
end stop supports for rugged dependability.
COMPUTER MODULE
The DS-2000 Computer Module is truly "state-of-the-art".
All control circuits are modeled after those of the proven design
in Digidrive II...only miniaturized for this application. The Computer
Module only measures 8.5"L x 6.5"W x 1.8"H and conveniently
locates behind the dash panel in most van applications. Using innovative
design and technology advances, EMC driving controls have evolved
to benefit you...today, and into the future.
Fault Tolerant design means safer operation. All joystick, computer, and power circuits are completely redundant (backup systems included) within the Computer Module. Either computer processor can sense irregularities in the system operating parameters and automatically switch to the backup processor capable of controlling the vehicle 100 times faster than you could! Of course, you also have the option of utilizing the "manual" Emergency Backup switch.
The DS-2000 Steering Servomotor is modeled after the proven design in Digidrive II and comes completely assembled and calibrated ready to plug in. This compact, powerful design is installed to the base of the factory steering column under the dashboard of your vehicle and does not impair able-bodied operation of the factory steering wheel. The patented "disengage" mechanism allows your able-bodied friends and family to drive your vehicle using the factory wheel by simply flipping a lever. DS-2000 puts you in complete control as the servo communicates "positional feedback" information back to the Computer Module whenever you steer using the miniature Steering Module. No modifications to the factory steering gearbox or pump are required due to the large torque that the 4-pole servomotor is capable of exerting on the steering shaft. Should your vehicle stall or the power steering pump or drive belt fail, the "Quad" Brush motor also provides redundancy in the form of two separate pairs of motor windings.
EGB
The EGB-SS
is the latest model Electronic Gas & Brake System manufactured
by EMC. It is designed to operate the accelerator and brake of virtually
any motor vehicle equipped with an automatic transmission and power
brakes from a convenient joystick control module. The connections
are simple and the space required minimal, allowing easy and versatile
positioning for an optimum fit. The brake is actuated through an
electric servomotor that applies force by means of a drive arm and
roller designed to ride on the pedal. The accelerator is accessed
via a cable that is attached to the accelerator pedal linkage and
is driven by a spool in the servomotor. The powerful 4-pole motor
can provide vehicle braking even when there is no power assist available
from the vehicle. An external backup battery source combined with
redundant power circuits within the controller, maintain power to
the system if there is a loss of the vehicle primary 12vDC supply.
In the unlikely event of brake failure, the EGB-SS accesses the
electric parking brake in a momentary fashion when full brake is
applied. The emergency brake access can be used to stop the vehicle.
The road "feel" of the EGB-SS is totally unique due to
its patented design incorporating "low effort" actuation
of the joystick resulting in smooth acceleration and braking commands.
Universal Application Design means fewer "custom" parts.
The EGB-SS can be removed from one vehicle and installed in another
if frequent vehicle trading is in your plans. Multiple Electronics
and Power Supplies eliminate the need for cumbersome braking backup
systems. Only four wires connect under the hood of your vehicle.
Modular Design means quicker service and maintenance appointments.
EGB-SS does not interfere with the factory controls so conventional
operation is as simple as pushing a switch.
GAS/BRAKE SERVOMOTOR
The Digidrive II Gas/Brake servomotor comes completely assembled
and calibrated ready to plug in. This compact, powerful design bolts
to the floor of your vehicle to the left of the factory brake pedal
and the integral drive arm simply pushes on the brake pedal with
no additional mechanical linkages and does not impair able-bodied
operation of the factory gas and brake pedals. Digidrive II puts
you in complete control as the servo communicates "positional
feedback" information back to the Computer Module whenever
you accelerate or brake using the joystick. No modifications to
the factory brake cylinder or booster are required due to the powerful
4-pole motor design. The "Quad" Brush motor not only generates
greater than 200 in-lbs of torque, but also provides redundancy
in the form of two separate pairs of motor windings. For additional
safety, the Gas/Brake servomotor also incorporates an accelerator
release mechanism. This component of the control automatically releases
the accelerator if power to the servomotor is lost or if either
of the two control harnesses is severed.
STEERING SERVOMOTOR
The Digidrive II Steering servomotor comes completely assembled
and calibrated ready to plug in. This compact, powerful design is
installed to the base of the factory steering column under the dashboard
of your vehicle and does not impair able-bodied operation of the
factory steering wheel. The patented "disengage" mechanism
allows your able-bodied friends and family to drive your vehicle
using the factory steering wheel by simply flipping a lever. Digidrive
II puts you in complete control as the servo communicates "positional
feedback" information back to the Computer Module whenever
you steer using the joystick. No modifications to the factory steering
gear or pump are required due to the powerful torque the servo can
exert on the steering shaft should your vehicle stall or the power
steering pump or drive belt fail.
EGB GAS/BRAKE SERVOMOTOR
The EGB-SS Gas/Brake servomotor is identical to the proven design
used in Digidrive II and comes completely assembled and calibrated,
ready to plug in. This compact, powerful design bolts to the floor
of your vehicle to the left of the factory brake pedal and the integral
drive arm simply pushes on the brake pedal with no additional mechanical
linkages and does not impair able-bodied operation of the factory
gas and brake pedals. EGB-SS puts you in complete control as the
servo communicates "positional feedback" information back
to the Joystick Control Module whenever you accelerate or brake
using the joystick. No modifications to the factory brake cylinder
or booster are required due to the powerful 4-pole motor design,
capable of delivering greater than 200 in-lbs of torque. The "Quad"
Brush design also provides redundancy in the form of to separate
pairs of motor windings. For additional safety, the Gas/Brake servomotor
also incorporates an accelerator release mechanism. This component
of the control automatically releases the accelerator if power to
the servomotor is lost or if either of the two control harnesses
is severed.
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