Electromagnetic noise analyzing apparatus, controlling apparatus and controlling method

• US 10,099,704 B2
• Filed: 03/16/2017
• Issued: 10/16/2018
• Est. Priority Date: 07/28/2016
• Status: Active Grant

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Ohmae, Aya, Funato, Hiroki, Fukumasu, Keisuke
• Primary Examiner(s): Zanelli, Michael J
• Application Number:
  US15/460,817
• Publication Number:
  US 20180029606A1
• Time in Patent Office: 579 Days
• CPC Class Codes: B60W 2422/95 Measuring the same parameter at multiple locations of the vehicle
• CPC Class Codes: B60W 50/045 Monitoring control system parameters
• CPC Class Codes: G05B 17/02 electric
• CPC Class Codes: H02P 29/50 Reduction of harmonics

Abstract

Provided is an electromagnetic noise analyzing apparatus, a controlling apparatus, and a controlling method in each of which the continuous change of the running state of a vehicle or a railway vehicle is considered. The controlling apparatus includes: a vehicle running control section which outputs, on the basis of operation information of a vehicle, a vehicle driving parameter as a driving state of the vehicle; a signal converting section which converts the vehicle driving parameter into a noise parameter as an electric parameter; and an electromagnetic noise analyzing section which calculates, on the basis of the noise parameter, the amount of electromagnetic noise propagating in the vehicle.

Claims

1. A controlling apparatus comprising:

a vehicle controller configured to output, on the basis of operation information of a vehicle, a vehicle driving parameter indicating a driving state of the vehicle;

a signal converter configured to convert the vehicle driving parameter into an electric noise parameter;

an electromagnetic noise analyzer configured to calculate, on the basis of the noise parameter, an amount of electromagnetic noise propagating in the vehicle; and

an analyzer configured to output the vehicle driving parameter and the amount of electromagnetic noise to the vehicle controller when the amount of electromagnetic noise calculated by the electromagnetic noise analyzer is not less than a predetermined threshold value,

wherein the vehicle controller outputs a driving control signal for driving and controlling the vehicle on the basis of the vehicle driving parameter and the amount of electromagnetic noise outputted from the analyzer.

2. The controlling apparatus according to claim 1, further comprising:

a sensor which acquires operation information of the vehicle and communicates the operation information to the vehicle controller,

wherein the sensor controls a frequency communicated on the basis of the driving control signal.

3. The controlling apparatus according to claim 1, wherein

the electromagnetic noise analyzer calculates the amount of electromagnetic noise propagating in the vehicle, on the basis of the noise parameter, a vehicle component circuit model as an equivalent circuit of each of components of the vehicle, a vehicle component structure model as an analytic structure model of a component of the vehicle, and an vehicle structure model as an analytic structure model of the vehicle.

4. The controlling apparatus according to claim 3, wherein

the electromagnetic noise analyzer further calculates the amount of electromagnetic noise propagating in the vehicle on the basis of a damage apparatus model as an analytic structure model of an apparatus in the vehicle affected by the influence of electromagnetic noise, and an irradiation model as an analytic structure model which irradiates electromagnetic noise.

5. The controlling apparatus according to claim 1, further comprising:

a display which displays the vehicle driving parameter or the noise parameter or the amount of electromagnetic noise.

6. A controlling method comprising:

outputting a vehicle driving parameter representing a driving state of a vehicle on the basis of operation information of the vehicle;

converting the vehicle driving parameter into an electric noise parameter;

calculating an amount of electromagnetic noise propagating in the vehicle on the basis of the noise parameter;

outputting the vehicle driving parameter and the amount of electromagnetic noise when the calculated amount of electromagnetic noise is not less than a predetermined threshold value; and

outputting a driving control signal for driving and controlling the vehicle on the basis of the vehicle driving parameter and the amount of electromagnetic noise which are outputted.

7. The controlling method according to claim 6, wherein

operation information of the vehicle is acquired, and

the operation information is communicated by controlling the frequency on the basis of the driving control signal.

8. An electromagnetic noise analyzing apparatus comprising:

a vehicle controller configured to output, on the basis of an actual running pattern of a vehicle, a vehicle driving parameter representing a driving state of the vehicle;

a signal converter configured to convert the vehicle driving parameter into an electric noise parameter; and

an electromagnetic noise analyzer configured to calculate an amount of electromagnetic noise propagating in the vehicle on the basis of the noise parameter; and

an analyzer configured to output the vehicle driving parameter and the amount of electromagnetic noise to the vehicle controller when the amount of electromagnetic noise calculated by the electromagnetic noise analyzer is not less than a predetermined threshold value,

wherein the vehicle is controlled on the basis of the vehicle driving parameter and the amount of electromagnetic noise outputted from the analyzer.

9. The electromagnetic noise analyzing apparatus according to claim 8, further comprising:

a display which displays an output from the vehicle controller or the signal converter or the analyzer.

10. The electromagnetic noise analyzing apparatus according to claim 8, wherein

the electromagnetic noise analyzer calculates the amount of electromagnetic noise propagating in the vehicle, on the basis of the noise parameter, a vehicle component circuit model as an equivalent circuit of each of components of the vehicle, a vehicle component structure model as an analytic structure model of the components of the vehicle, and a vehicle structure model as an analytic structure model of the vehicle.

11. The electromagnetic noise analyzing apparatus according to claim 10, wherein

the electromagnetic noise analyzer further calculates the amount of electromagnetic noise propagating in the vehicle, on the basis of a damage apparatus model as an analytic structure model of an apparatus affected by the influence of electromagnetic noise, and an irradiation model as an analytic structure model which irradiates electromagnetic noise.

12. The electromagnetic noise analyzing apparatus according to claim 11, wherein

the electromagnetic noise analyzer further calculates the amount of electromagnetic noise propagating in the vehicle, on the basis of an apparatus component circuit model as an equivalent circuit of each apparatus of a facility for charging the vehicle, an apparatus component structure model as an analytic structure model of the each apparatus, and a facility structure model as an analytic structure model of the facility.