Control systems and methods for electric drive utility vehicles
First Claim
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1. A utility vehicle comprising:
- a plurality of vehicle systems comprising a steering system, an accelerator system, a power system, a traction system, and an auxiliary system;
a plurality of operator interfaces for operating the vehicle each associated with one of the plurality of vehicle systems;
a plurality of sensors each associated with at least one of the plurality of vehicle systems; and
an electric motor control system in communication with the plurality of vehicle systems, the plurality of operator interfaces, and the plurality of sensors;
the traction system comprising;
a first drivable wheel;
a second drivable wheel;
a first electric drive motor in communication with the first drivable wheel; and
a second electric drive motor in communication with the second drivable wheel;
the auxiliary system comprising;
an auxiliary mechanism; and
an electric auxiliary motor in communication with the auxiliary mechanism;
the electric motor control system comprising;
a first traction controller directly in communication with the steering system, the accelerator system, at least one of the plurality of operator interfaces, at least one of the plurality of sensors, the power system, the auxiliary system, and the first electric drive motor of the traction system;
a second traction controller directly in communication with the steering system, the accelerator system, at least one of the plurality of operator interfaces, at least one of the plurality of sensors, the first fraction controller, the power system, and the second electric drive motor of the traction system; and
an auxiliary controller directly in communication with the first traction controller, the power system, and the electric auxiliary motor;
wherein the first traction controller receives data signals from at least one of the plurality of operator interfaces and at least one of the plurality of sensors, processes the data signals, and outputs control signals to the second traction controller and the auxiliary controller.
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Abstract
Electronic control systems and related control methods for controlling electric drive motors for propelling a vehicle and electric auxiliary motors for performing work, such as electric deck motors for mower blades. The apparatus is shown in use with a vehicle that includes a mowing deck. Features of the control systems allow for safe and efficient use of the vehicle.
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Citations
15 Claims
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1. A utility vehicle comprising:
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a plurality of vehicle systems comprising a steering system, an accelerator system, a power system, a traction system, and an auxiliary system; a plurality of operator interfaces for operating the vehicle each associated with one of the plurality of vehicle systems; a plurality of sensors each associated with at least one of the plurality of vehicle systems; and an electric motor control system in communication with the plurality of vehicle systems, the plurality of operator interfaces, and the plurality of sensors; the traction system comprising; a first drivable wheel; a second drivable wheel; a first electric drive motor in communication with the first drivable wheel; and a second electric drive motor in communication with the second drivable wheel; the auxiliary system comprising; an auxiliary mechanism; and an electric auxiliary motor in communication with the auxiliary mechanism; the electric motor control system comprising; a first traction controller directly in communication with the steering system, the accelerator system, at least one of the plurality of operator interfaces, at least one of the plurality of sensors, the power system, the auxiliary system, and the first electric drive motor of the traction system; a second traction controller directly in communication with the steering system, the accelerator system, at least one of the plurality of operator interfaces, at least one of the plurality of sensors, the first fraction controller, the power system, and the second electric drive motor of the traction system; and an auxiliary controller directly in communication with the first traction controller, the power system, and the electric auxiliary motor; wherein the first traction controller receives data signals from at least one of the plurality of operator interfaces and at least one of the plurality of sensors, processes the data signals, and outputs control signals to the second traction controller and the auxiliary controller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification