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公开(公告)号：US20190242949A1
公开(公告)日：2019-08-08
申请号：US16312125
申请日：2017-06-28
Applicant: Linear Technology Corporation , Linear Technology LLC
Inventor： Mark Alan Lemkin , Alain Pierre Levesque , Brett Warneke , David McLean Dwelley , Erik Soule , Lance Robert Doherty , Gordon Charles , Thor Nelson Juneau , Jonathan Noah Simon , Robert Dobkin
IPC: G01R31/396 , G01R31/3842 , H01M10/42 , H01M10/48
CPC classification number: G01R31/396 , G01R31/371 , G01R31/3842 , H01M10/42 , H01M10/425 , H01M10/48 , H01M10/482 , H01M2010/4271 , H01M2010/4278
Abstract: A battery system monitor includes cell measurement circuits (CMCs) that each measure a voltage at or current through a pair of terminals of a respective associated battery module from among a plurality of plurality of battery modules in a battery system. Wireless communication transceivers (WCTs), each associated with a different CMC, transmit voltage or current measurement information of the associated CMC across a wireless communication link. A controller receives the voltage or current measurement information from the wireless communication transceivers for monitoring the state of operation of the battery system. Battery system monitoring is improved through synchronization of clocks in different CMCs or WCTs to enable synchronous sampling of multiple battery modules, through systems for determining relative positions of battery modules in a series coupling of battery modules between terminals of the battery system, and through improvements to the reliability of wireless communication.
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公开(公告)号：US10595216B2
公开(公告)日：2020-03-17
申请号：US15886754
申请日：2018-02-01
Applicant: Linear Technology Corporation
Abstract: The stability of a channel in a wireless network is evaluated at a node. Upon transmitting a packet from the node on a network channel, a first counter associated with the channel is incremented. Upon receiving an acknowledgment packet responsive to the transmitted packet, a second counter associated with the channel is incremented. A stability metric for the channel is computed based on values stored in the first and second counters. Additionally, interference on a channel of the network is measured at a node. Upon determining that no packet is received during a predetermined time-period on the channel, a received signal strength (RSS) is measured on the channel at an end of the predetermined time-period. Alternatively, upon determining that a packet is received during the predetermined time-period on the channel, the RSS is measured on the channel following completion of the transmission of the packet on the channel.
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公开(公告)号：US10914789B2
公开(公告)日：2021-02-09
申请号：US16312125
申请日：2017-06-28
Inventor： Mark Alan Lemkin , Alain Pierre Levesque , Brett Warneke , David McLean Dwelley , Erik Soule , Lance Robert Doherty , Gordon Alexander Charles , Thor Nelson Juneau , Jonathan Noah Simon , Robert Dobkin
IPC: G01R31/00 , G01R31/396 , H01M10/42 , H01M10/48 , G01R31/3842 , G01R31/371
Abstract: A battery system monitor includes cell measurement circuits (CMCs) that each measure a voltage at or current through a pair of terminals of a respective associated battery module from among a plurality of plurality of battery modules in a battery system. Wireless communication transceivers (WCTs), each associated with a different CMC, transmit voltage or current measurement information of the associated CMC across a wireless communication link. A controller receives the voltage or current measurement information from the wireless communication transceivers for monitoring the state of operation of the battery system. Battery system monitoring is improved through synchronization of clocks in different CMCs or WCTs to enable synchronous sampling of multiple battery modules, through systems for determining relative positions of battery modules in a series coupling of battery modules between terminals of the battery system, and through improvements to the reliability of wireless communication.
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公开(公告)号：US10536861B2
公开(公告)日：2020-01-14
申请号：US13866751
申请日：2013-04-19
Applicant: LINEAR TECHNOLOGY CORPORATION
Abstract: The stability of a channel in a wireless network is evaluated at a node. Upon transmitting a packet from the node on a network channel, a first counter associated with the channel is incremented. Upon receiving an acknowledgment packet responsive to the transmitted packet, a second counter associated with the channel is incremented. A stability metric for the channel is computed based on values stored in the first and second counters. Additionally, interference on a channel of the network is measured at a node. Upon determining that no packet is received during a predetermined time-period on the channel, a received signal strength (RSS) is measured on the channel at an end of the predetermined time-period. Alternatively, upon determining that a packet is received during the predetermined time-period on the channel, the RSS is measured on the channel following completion of the transmission of the packet on the channel.
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