| 发明名称 | Method of locating an event transmitting a signal | ||
| 摘要 | The invention relates to a method and a device for locating an event transmitting a signal, including a set of sensors (Ai-Am) to measure the response times of the said signal, and processing means (3) to solve a system of equations defining distances between the said sensors and the said event as a function of a speed of propagation of the said signal and of an offset of the said response times relative to a reference time, where the device also includes: processing means (3) to recommence multiple times the solution of the system of equations, each time modifying the response time of at least one of the said sensors according to a local variation, andprocessing means (3) to determine the location of the event as a function of the positions obtained when the different solutions of the system of equations are found. | ||
| 申请公布号 | US9562941(B2) | 申请公布日期 | 2017.02.07 |
| 申请号 | US201214346294 | 申请日期 | 2012.09.19 |
| 申请人 | ALSTOM TECHNOLOGY LTD | 发明人 | Lebreton Raphaël |
| 分类号 | G01R31/08;G01S5/00;G01S5/22;G01R31/12;G01R31/02 | 主分类号 | G01R31/08 |
| 代理机构 | Nixon Peabody LLP | 代理人 | Nixon Peabody LLP ;Shami Khaled |
| 主权项 | 1. A method for locating an event transmitting a signal, including a measurement of the response times of the said signal by a set of sensors (Ai-Am), and a solution of a system of equations defining distances between the said sensors and the said event (S) as a function of a speed of propagation of the said signal and of an offset of the said response times relative to a reference time, characterised in that if the system of equations has no solution indicating the position of the event the method includes the following steps: recommencing several times the solution of the system of equations, by modifying with each iteration the response time of at least one of the said sensors, applying an increase or a reduction of the said response time by a percentage of less than a determined value, where the solution of the said system of equations is recommenced with each iteration, until the sum for each of the sensors (Ai-Am), of the different increases or reductions of the said response time by a percentage of less than a determined value, is close to zero, and determining the location of the event by calculating the average of the solutions obtained when finding the solutions of the said system of equations. | ||
| 地址 | Baden CH | ||