Apparatus for recognizing driving environment of vehicle
First Claim
1. An apparatus for recognizing driving environments of a vehicle comprising:
- detecting means including a plurality of sensors for detecting parameters which represent operating conditions of the vehicle to produce a set of detected parameter values;
converting means including a plurality of neuron interfaces, each of which receives said set of detected parameter values and produces an input pattern of detected parameters;
recognizing means including a plurality of neural networks having different recognizing and learning faculties and different associating faculties, each of said neural networks comprising an input layer for receiving an input pattern of detected parameters produced by a corresponding neuron interface, an output layer for producing a recognition result, and a hidden layer for coupling said input and output layers with each other; and
selecting means including sensing means for detecting driving conditions of the vehicle directly indicative of vehicle control apparatus positional information within the vehicle to produce a driving condition signal, a signal processing means for processing said driving condition signal to produce a switching signal, and switching means for selecting one of recognition results produced by said plurality of neural networks in accordance with said switching signal.
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Abstract
An apparatus for recognizing driving environments of a vehicle including a plurality of sensors for detecting various parameters relating to driving conditions of the vehicle such as throttle valve open angle, vehicle running speed, brake pedal depression amount and gear shift range of an automatic transmission, first and second neuron interfaces for converting parameter values detected by the sensors into a plurality of input patterns having predetermined configuration, first and second neural networks having input layers to which corresponding input patterns are applied, hidden layers and output layers for producing recognition results, and a multiplexer for selecting one of the recognition results produced on the output layers of the first and second neural networks. The first neural network has a superior separating or recognizing and learning faculty, while the second neural network has a superior associating faculty. A accelerating pedal depression amount is detected by a sensor and a variation of the thus detected amount is compared with a reference value. When the variation is larger than the reference value, the recognition result produced by the first neural network is selected and when the variation is smaller than the reference value, the recognition result from the second neural network is selected.
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Citations
7 Claims
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1. An apparatus for recognizing driving environments of a vehicle comprising:
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detecting means including a plurality of sensors for detecting parameters which represent operating conditions of the vehicle to produce a set of detected parameter values; converting means including a plurality of neuron interfaces, each of which receives said set of detected parameter values and produces an input pattern of detected parameters; recognizing means including a plurality of neural networks having different recognizing and learning faculties and different associating faculties, each of said neural networks comprising an input layer for receiving an input pattern of detected parameters produced by a corresponding neuron interface, an output layer for producing a recognition result, and a hidden layer for coupling said input and output layers with each other; and selecting means including sensing means for detecting driving conditions of the vehicle directly indicative of vehicle control apparatus positional information within the vehicle to produce a driving condition signal, a signal processing means for processing said driving condition signal to produce a switching signal, and switching means for selecting one of recognition results produced by said plurality of neural networks in accordance with said switching signal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification