Title:
FAULT DETECTION IN ELECTRIC VEHICLES
Document Type and Number:
WIPO Patent Application WO/2018/090883
Kind Code:
A1
Abstract:
An electric-vehicle fault detection system, and more particularly a fault detection system in a torque control system of an electric vehicle is provided, comprising a first electric-vehicle controller (21) and a second electric-vehicle controller (22). The first electric-vehicle controller (21) is configured to send a control signal to the second electric-vehicle controller (22) and to send a second signal to the second electric-vehicle controller (22), the second signal being a pulse width modulated signal comprising the same information as the control signal. The second electric-vehicle controller (22) is configured to receive the control signal and the second signal from the first electric-vehicle controller (21), to compare information from the signals in order to determine a deviation between the signals, and to determine whether there is a vehicle fault based on the determined deviation between the signals. A corresponding method and computer program product are also provided.
Inventors:
LOWRIE JAMIE (GB)
Application Number:
PCT/CN2017/110633
Publication Date:
May 24, 2018
Filing Date:
November 13, 2017
Export Citation:
Assignee:
NIO NEXTEV LTD (CN)
International Classes:
G05B23/02; G01M17/00
Foreign References:
| CN102591330A | 2012-07-18 | |||
| CN101059698A | 2007-10-24 | |||
| CN204236254U | 2015-04-01 | |||
| US20110169496A1 | 2011-07-14 | |||
| KR20130047502A | 2013-05-08 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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