Apparatus and method for evaluating driving skill and apparatus and method for informing efficiency of driver's physical load to driving operation
First Claim
1. An evaluating apparatus for evaluating driving skill of a driver who drives a vehicle, the evaluating apparatus including:
- driver load measurement means for measuring the degree of physical load on the driver in a driving operation activity of the vehicle;
driving operation quantity measurement means for measuring a quantity of driving operation performed by the driver for the vehicle in the driving operation activity; and
evaluation means for evaluating the driving skill of the driver by using the degree of the physical load on the driver and the quantity of driving operation,wherein the driver load measurement means includes;
a myoelectric potential detecting section for detecting myoelectric potentials of a pair of right and left muscles of the driver, the pair of the muscles being involved in the driving operation activity; and
a load calculating section for calculating first data indicative of the physical load from the detected myoelectric potentials,wherein the driving operation quantity measurement means includes;
a steering angle detecting section for detecting a steering angle of the vehicle, the steering angle being generated with the driving operating activity of the driver;
a steering torque detecting section for detecting a steering torque about a steering shaft of the vehicle, the steering torque being generated with the driving operation activity; and
an operation calculating section for calculating second data indicative of the driving operation from the detected steering angle and the detected steering torque, andwherein the evaluation means calculates, as an evaluation value, a ratio of an integrated operation quantity value to an integrated load quantity value or a difference between the integrated operation quantity value and the integrated load quantity value, in which the integrated load quantity value is obtained by integrating the calculated first data over a predetermined time and the integrated operation quantity value is obtained by integrating the calculated second data over the predetermined time.
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Accused Products
Abstract
The driving skill evaluating apparatus is an apparatus that evaluates the driving skill of a driver who drives a vehicle. The evaluating apparatus includes: driver load measurement means for measuring the degree of physical load on the driver in a driving operation activity of the vehicle; driving operation quantity measurement means for measuring the quantity of driving operation performed by the driver for the vehicle in the driving operation activity; and evaluation means for evaluating the driving skill of the driver by using the degree of the physical load on the driver and the quantity of driving operation. And the driving load efficiency informing apparatus includes: the driver load measurement means: the driving operation quantity measurement means; load efficiency judgment value calculating means for calculating a load efficiency judgment value indicating a efficiency of efficiency of the physical load on the driver in the driving operation activity of the vehicle to the quantity of driving operation performed by the driver for the vehicle in the driving operation activity of the vehicle, by using the degree of the physical load on the driver and the quantity of driving operation; and informing means for informing the driver of the efficiency of the physical load on the driver to the driving operation activity of the vehicle in accordance with the load efficiency judgment value.
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Citations
19 Claims
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1. An evaluating apparatus for evaluating driving skill of a driver who drives a vehicle, the evaluating apparatus including:
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driver load measurement means for measuring the degree of physical load on the driver in a driving operation activity of the vehicle; driving operation quantity measurement means for measuring a quantity of driving operation performed by the driver for the vehicle in the driving operation activity; and evaluation means for evaluating the driving skill of the driver by using the degree of the physical load on the driver and the quantity of driving operation, wherein the driver load measurement means includes; a myoelectric potential detecting section for detecting myoelectric potentials of a pair of right and left muscles of the driver, the pair of the muscles being involved in the driving operation activity; and a load calculating section for calculating first data indicative of the physical load from the detected myoelectric potentials, wherein the driving operation quantity measurement means includes; a steering angle detecting section for detecting a steering angle of the vehicle, the steering angle being generated with the driving operating activity of the driver; a steering torque detecting section for detecting a steering torque about a steering shaft of the vehicle, the steering torque being generated with the driving operation activity; and an operation calculating section for calculating second data indicative of the driving operation from the detected steering angle and the detected steering torque, and wherein the evaluation means calculates, as an evaluation value, a ratio of an integrated operation quantity value to an integrated load quantity value or a difference between the integrated operation quantity value and the integrated load quantity value, in which the integrated load quantity value is obtained by integrating the calculated first data over a predetermined time and the integrated operation quantity value is obtained by integrating the calculated second data over the predetermined time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for informing a driver who drives a vehicle of efficiency of a physical load of the driver to a driving operation activity of the vehicle, the apparatus including:
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driver load measurement means for measuring the degree of physical load on the driver in the driving operation activity of the vehicle; driving operation quantity measurement means for measuring the quantity of driving operation performed by the driver for the vehicle in the driving operation activity; load efficiency judgment value calculating means for calculating a load efficiency judgment value indicating a efficiency of the physical load on the driver in the driving operation activity of the vehicle to the quantity of driving operation performed by the driver for the vehicle in the driving operation activity of the vehicle, by using the degree of the physical load on the driver and the quantity of driving operation; and informing means for informing the driver of the efficiency of the physical load on the driver to the driving operation activity of the vehicle in accordance with the load efficiency judgment value, wherein the driver load measurement means includes; a myoelectric potential detecting section for detecting myoelectric potentials of a pair of right and left muscles of the driver, the pair of the muscles being involved in the driving operation activity; a load calculating section for calculating first data indicative of the physical load from the detected myoelectric potentials, wherein the driving operation quantity measurement means includes; a steering angle detecting section for detecting a steering angle of the vehicle, the steering angle being generated with the driving operating activity of the driver; a steering torque detecting section for detecting a steering torque about a steering shaft of the vehicle, the steering torque being generated with the driving operation activity; and an operation calculating section for calculating second data indicative of the driving operation from the detected steering angle and the detected steering torque, and wherein the load efficiency judgment value calculating means calculates, as a load efficiency judgment value, a ratio of an integrated operation quantity value to an integrated load quantity value or a difference between the integrated operation quantity value and the integrated load quantity value, in which the integrated load quantity value is obtained by integrating the calculated first data over a predetermined time and the integrated operation quantity value is obtained by integrating the calculated second data over the predetermined time. - View Dependent Claims (12, 13, 14)
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15. A method of evaluating driving skill of a driver who drives a vehicle, including:
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a driver load measuring step of measuring the degree of physical load on the driver in a driving operation activity of the vehicle; a driving operation quantity measuring step of measuring the quantity of driving operation performed by the driver for the vehicle in the driving operation activity of the vehicle; and an evaluating step of evaluating the driving skill of the driver by using the degree of physical load on the driver and the quantity of driving operation, wherein in the driver load measuring step, myoelectric potentials of a pair of right and left muscles of the driver are detected, the pair of the muscles being involved in the driving operation activity; and
first data indicative of the physical load are calculated from the detected myoelectric potentials,wherein in the driving operation quantity measuring step, a steering angle of the vehicle is detected, the steering angle being generated with the driving operating activity of the driver;
a steering torque about a steering shaft of the vehicle is detected, the steering torque being generated with the driving operation activity; and
second data indicative of the driving operation are calculated from the detected steering torque and the detected steering angle, andwherein in the evaluating step, a ratio of an integrated operation quantity value to an integrated load quantity value or a difference between the integrated operation quantity value and the integrated load quantity value is calculated as an evaluation value in which the integrated load quantity value is obtained by integrating the calculated first data over a predetermined time and the integrated operation quantity value is obtained by integrating the obtained second data over the predetermined time. - View Dependent Claims (16, 17)
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18. A method of informing a driver who drives a vehicle of efficiency of a physical load of the driver to a driving operation activity of the vehicle, the method including:
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a driver load measuring step of measuring the degree of physical load on the driver in the driving operation activity of the vehicle; a driving operation quantity measuring step of measuring the quantity of driving operation performed by the driver for the vehicle in the driving operation activity; a load efficiency judgment value calculating step of calculating a load efficiency judgment value indicating efficiency of the degree of physical load on the driver in the driving operation activity of the vehicle to the quantity of driving operation performed by the driver for the vehicle in the driving operation activity of the vehicle by using the degree of physical load on the driver and the quantity of driving operation; and an informing step of informing the driver of the efficiency of the physical load on the driver to the driving operation activity of the vehicle in accordance with the load efficiency judgment value, wherein in the driver load measuring step, myoelectric potentials of a pair of right and left muscles of the driver are detected, the pair of the muscles being involved in the driving operation activity; and
first data indicative of the physical load are calculated from the detected myoelectric potentials,wherein in the driving operation quantity measuring step, a steering angle of the vehicle is detected, the steering angle being generated with the driving operating activity of the driver;
a steering torque about a steering shaft of the vehicle is detected, the steering torque being generated with the driving operation activity; and
second data indicative of the driving operation is calculated from the detected steering torque and the detected steering angle, andwherein in the load efficiency judgment value calculating step, a ratio of an integrated operation quantity value to an integrated load quantity value or a difference between the integrated operation quantity value and the integrated load quantity value is calculated as a load efficiency judgment value in which the integrated load quantity value is obtained by integrating the calculated first data over a predetermined time and the integrated operation quantity value is obtained by integrating the calculated second data over the predetermined time. - View Dependent Claims (19)
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Specification