WO2019155781A1 - Dispositif de gestion et procédé de gestion d'un dispositif de stockage d'énergie d'un corps mobile - Google Patents

Dispositif de gestion et procédé de gestion d'un dispositif de stockage d'énergie d'un corps mobile Download PDF

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Publication number
WO2019155781A1
WO2019155781A1 PCT/JP2018/047977 JP2018047977W WO2019155781A1 WO 2019155781 A1 WO2019155781 A1 WO 2019155781A1 JP 2018047977 W JP2018047977 W JP 2018047977W WO 2019155781 A1 WO2019155781 A1 WO 2019155781A1
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Prior art keywords
deterioration
storage device
power storage
pattern
value
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PCT/JP2018/047977
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English (en)
Japanese (ja)
Inventor
祥太 木村
努 宮内
基巳 嶋田
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株式会社日立製作所
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Publication of WO2019155781A1 publication Critical patent/WO2019155781A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a power storage device management apparatus for a mobile body that manages a power storage device mounted on a mobile body such as a railway vehicle, and a method thereof.
  • Patent Document 1 the deterioration state of the power storage device based on the passage of time is set in advance as a reference deterioration pattern, and the deterioration state of the power storage device after the route running estimated from information on the route on which the vehicle will run will be described.
  • a technique is disclosed that limits charge / discharge power in order to reduce the deterioration rate of the power storage device when the estimated value is predicted to be worse than the set reference deterioration pattern.
  • the reference deterioration pattern is set as a pattern that can maintain the deterioration state of the power storage device at the minimum until the replacement time, regardless of the operation over time.
  • deterioration does not progress regardless of operation over time, and the deterioration rate differs for each operation.
  • the control of Patent Document 1 is used in operation where the charge / discharge power is large and the deterioration rate is faster than the reference deterioration pattern, it follows the reference deterioration pattern in which deterioration proceeds at a constant speed over time. Therefore, there is a possibility that the charge / discharge power is limited, and the original running performance cannot be exhibited.
  • An object of the present invention is to set a combination of reference deterioration patterns for maintaining the deterioration state of the power storage device at a value exceeding the reference value until the replacement time according to the operation of the moving body.
  • the present invention estimates a deterioration state of a power storage device mounted on a mobile body, a deterioration estimation date / time when the deterioration state of the power storage device is estimated, and deterioration of the power storage device at the deterioration estimation date / time.
  • It is a pattern showing deterioration state estimation means for outputting power storage device deterioration state information including a state estimation value, and a temporal change of the deterioration state decrease amount of the power storage device when operated by one operation assigned to the moving body.
  • the reference deterioration pattern set from at least one deterioration speed setting value and the time required for one operation is associated with one or more combinations of operations assigned to the mobile body for each operation.
  • Reference deterioration pattern calculation means for calculating and managing, and deterioration state determination means for determining the deterioration state of the power storage device based on the output of the reference deterioration pattern calculation means. It is characterized in.
  • a combination of reference deterioration patterns for maintaining the deterioration state of the power storage device at a value exceeding the reference value until the replacement time can be set according to the operation of the moving body.
  • FIG. 1 is a schematic configuration diagram of a power storage device management system for a moving body according to an embodiment of the present invention. It is a block diagram which shows an example of deterioration speed setting information. It is explanatory drawing which shows an example of service. It is a block diagram which shows an example of operation related information. It is a flowchart which shows an example of the internal process of a reference
  • FIG. 1 It is a characteristic view which shows an example of the judgment result whether a standard deterioration pattern provisional value is higher than a power storage device replacement reference value, and (a) is a characteristic diagram in a case where a deterioration state is lower than a power storage device replacement reference value. , (B) is a characteristic diagram in the case where the deterioration state exceeds a power storage device replacement reference value.
  • FIG. 5 is a characteristic diagram of a reference deterioration pattern provisional value using a calculation result of the reference deterioration pattern recalculation unit, where (a) is a characteristic diagram when the reference deterioration pattern recalculation unit does not recalculate, and (b) It is a characteristic view when the reference deterioration pattern recalculation means recalculates.
  • 6 is a schematic configuration diagram of a power storage device management system for a mobile body in Embodiment 2.
  • FIG. It is an example of the deterioration rate setting information in Example 2, Comprising: (a) It is a block diagram of deterioration rate setting value information for normal, (b) is a block diagram of deterioration rate setting value information for electrical storage apparatus deterioration maintenance. is there.
  • 12 is a flowchart illustrating an example of internal processing of a reference deterioration pattern calculation unit according to the second embodiment.
  • FIG. 1 is a schematic configuration diagram of a mobile power storage device management system according to an embodiment of the present invention.
  • a power storage device management system for a mobile body includes a power storage device 101, a deterioration state estimation means 102, a deterioration speed setting value database 103, an operation related information acquisition means 104, a calculation start command means 105, a power storage device.
  • the replacement plan setting means 106, the reference deterioration pattern calculation means 107, the reference deterioration pattern recalculation determination means 108, and the power control means 109 are configured.
  • the power storage device 101 and the power control means 109 are mounted on a moving body such as a railway vehicle.
  • the reference deterioration pattern recalculation determination means 108 is a computer device including, for example, a CPU (Central Processing Unit), an input device, an output device, a communication device, and a storage device, and is a mobile object for managing the power storage device 101. It is configured as a power storage device management device.
  • a CPU Central Processing Unit
  • the CPU is configured as a central processing unit that controls the overall operation of the apparatus.
  • the input device is composed of a keyboard or a mouse
  • the output device is composed of a display or a printer.
  • the communication device includes a NIC (Network Interface Card) for connecting to a wireless LAN or a wired LAN.
  • the storage device is composed of storage media such as RAM (Random Access Memory) and ROM (Read Only Memory).
  • the storage device includes various computer programs (eg, deterioration state estimation program, operation related information acquisition program, calculation start command program, power storage device replacement plan setting program, reference deterioration pattern calculation program, reference deterioration pattern recalculation determination program, power control Program) and various databases (for example, deterioration rate setting value database) are stored.
  • the CPU executes various computer programs (degradation state estimation program, operation related information acquisition program, calculation start command program, power storage device replacement plan setting program, reference deterioration pattern calculation program, reference deterioration pattern recalculation determination program).
  • the functions of the deterioration state estimation means 102, operation related information acquisition means 104, calculation start command means 105, power storage device replacement plan setting means 106, reference deterioration pattern calculation means 107, and reference deterioration pattern recalculation determination means 108 are realized. Is done.
  • the power storage device 101 is a DC power source mounted on a railway vehicle (moving body), and is constituted by a secondary battery.
  • Degradation state estimation means 102 is connected to power storage device 101 and stores power storage device state information 151 including information indicating the state of power storage device 101 such as voltage, current, charge amount, and temperature of power storage device 101. From the acquired power storage device state information 151, including the information regarding the estimated deterioration state (deterioration state estimated value) and the date and time when the deterioration state was estimated (deterioration state estimation date and time) The power storage device deterioration state information 152 is output. Examples of the deterioration state included in the power storage device deterioration state information 152 include the capacity maintenance rate and the internal resistance of the power storage device 101, but are not limited thereto, and may include, for example, the temperature rise rate of the power storage device 101. good.
  • a method for analyzing charge / discharge power to the power storage device 101 during traveling a method for analyzing charge / discharge power by performing a charge / discharge cycle when the battery is not used, such as when the station is stopped, and the like are known. However, any of them may be used.
  • Degradation speed set value database 103 is a deterioration that includes information related to the deterioration speed setting value for each operation (operation assigned to a railway vehicle on which power storage device 101 is mounted, hereinafter may be simply referred to as assigned operation).
  • the speed set value information 153 is output to the reference deterioration pattern calculation means 107.
  • FIG. 2 is a configuration diagram showing an example of the degradation rate set value information 153.
  • the deterioration rate setting value information 153 includes an assigned operation 153 a, a normal deterioration rate setting value 153 b, and a deterioration rate setting value 153 c for maintaining the deterioration of the power storage device.
  • the assigned operation 153a information such as “1”, “2”, “3”, etc. is recorded as information for specifying the operation assigned to the railway vehicle.
  • Each deterioration speed set value 153b, 153c may be a parameter that represents how much deterioration (deterioration of power storage device 101) progresses due to the operation of the railway vehicle. For example, capacity maintenance per operation is maintained.
  • the deterioration rate set value 153c for maintaining the deterioration of the power storage device is a deterioration rate set value when the operation is suppressed more than usual (smaller than the normal deterioration rate set value 153b, and the deterioration rate of the power storage device 101 becomes lower.
  • the deterioration speed setting value information of “0.015” is recorded. Note that the deterioration speed set values 153b and 153c for each operation may be created from the result of train operation simulation or the like, or may be created from actual measurement values when a driver who performs an exemplary driving operation is driving. good.
  • FIG. 3 is a configuration diagram illustrating an example of an operation assigned to a railway vehicle.
  • operations (“operation 1” to “operation 6”) 301 to 306 are information allocated to the railway vehicle, and are information from the departure station to the final station of the railway vehicle.
  • the operation 301 indicating “operation 1” is a one-way train operation in which the operation starts from the A station and continues to the D station as a minimum unit.
  • the operation 302 indicating “operation 2” is a one-way train operation that starts from the D station and operates to the A station as a minimum unit.
  • “Service 1” and “Service 2” are different services.
  • FIG. 4 is a block diagram showing an example of operation related information.
  • the operation related information 154 includes an allocated operation 154a and an operation date / time 154b. Similar to the assigned operation 153a, information such as “1”, “2”, “3”, etc. is recorded in the assigned operation 154a as information specifying the operation assigned to the railway vehicle. In the operation date and time 154b, information such as “January 1 6:00 to 7:30” is recorded as the operation date and time of the railway vehicle to which the operation is assigned. In this way, the operation-related report acquisition unit 104 acquires the operation-related information 154 including both the operation 154a assigned to the railway vehicle and information related to the operation date and time 154b, so that the railway vehicle is driven by which operation. I understand.
  • the operation-related report acquisition unit 104 may manually input the operation assigned to the railway vehicle and the operation date and time, or may acquire information by communication from a computer that distributes the operation of each railway vehicle. .
  • the calculation start command means 105 outputs a calculation start command 155 to the reference deterioration pattern calculation means 107.
  • the calculation start command 155 is output as a trigger for starting the reference deterioration pattern calculation.
  • the calculation start command means 105 normally outputs OFF information, but when starting calculation of the reference deterioration pattern, ON information is output as the calculation start command 155.
  • the calculation start command means 105 may output ON information by using, for example, a switch operation of a driving operation panel in a railway vehicle as a trigger, or by using wireless communication from a ground management facility as a trigger. It may be output.
  • the power storage device replacement plan setting means 106 outputs a power storage device replacement date and time 156 indicating the replacement time of the power storage device 101 to the reference deterioration pattern calculation means 107, and a reference value for determining that the power storage device 101 needs to be replaced.
  • the power storage device replacement reference value 166 is output to the reference deterioration pattern recalculation determination means 108.
  • As the power storage device replacement date and time 156 it is desirable to set the date and time when the periodic inspection is started, but there are other dates and times that the manager of the railway vehicle determines to be most suitable for replacing the power storage device 101. For example, the date may be used.
  • the power storage device replacement reference value 166 is generally indicated by the capacity maintenance rate or the internal resistance increase rate of the power storage device 101, but is not necessarily limited thereto.
  • the reference deterioration pattern calculation unit 107 outputs operation-related information 154 output from the operation-related information acquisition unit 104, power storage device deterioration state information 152 output from the deterioration state estimation unit 102, and output from the power storage device replacement plan setting unit 106.
  • the storage device replacement date and time 156, the recalculation command 178 and the degradation rate selection information 168 output from the reference deterioration pattern recalculation determination unit 108, and the calculation start command 155 output from the calculation start command unit 105 are input.
  • a reference deterioration pattern provisional value 157 is calculated, and the calculated reference deterioration pattern provisional value 157 is output to the reference deterioration pattern recalculation determination means 108. Details of the processing of the reference deterioration pattern calculation means 107 will be described later.
  • the reference deterioration pattern recalculation determination unit 108 inputs the reference deterioration pattern provisional value 157 output from the reference deterioration pattern calculation unit 105 and the power storage device replacement reference value 166 output from the power storage device replacement plan setting unit 106, respectively.
  • the power storage device 101 is operated in an operation assigned to the railway vehicle based on each input value, the deterioration state of the power storage device 101 is replaced with the power storage device replacement until the power storage device 101 replacement date (power storage device replacement date 156). It is determined whether or not the value (state) exceeding the reference value 166 can be maintained.
  • the reference deterioration pattern recalculation determination means 108 determines that it cannot be maintained, it outputs a recalculation command 178 and deterioration rate selection information 168 to the reference deterioration pattern calculation means 107, and if it determines that it can be maintained, the power control means 109 A reference deterioration pattern fixed value 158 is output to Recalculation command 178 is normal (when reference deterioration pattern recalculation determination means 108 determines that the deterioration state of power storage device 101 can be maintained at a value exceeding power storage device replacement reference value 166 until the replacement date of power storage device 101.
  • the reference deterioration pattern recalculation determination unit 108 Is output as OFF information, but the reference deterioration pattern recalculation determination unit 108 cannot maintain the deterioration state of the power storage device 101 at a value exceeding the power storage device replacement reference value 166 until the replacement date and time of the power storage device 101. If it is determined, it is output as ON information. Details of the processing of the reference deterioration pattern recalculation determination means 108 will be described later.
  • the power control unit 109 receives the reference deterioration pattern determined value 158 output from the reference deterioration pattern recalculation determination unit 108 and performs charge / discharge power control of the power storage device 101 based on the input reference deterioration pattern determined value 158. .
  • description is abbreviate
  • FIG. 5 shows the internal processing (prediction calculation processing) of the reference deterioration pattern calculation means 107. This process is started when the CPU executes the reference deterioration pattern calculation program read from the memory. First, the reference deterioration pattern calculation unit 107 takes in the output of the calculation start command unit 105 and determines whether or not the calculation start command is ON (step 501). If the calculation start command 155 is ON, the process proceeds to step 504. If the calculation start command 155 is OFF, the process proceeds to step 502.
  • step 502 the reference deterioration pattern calculation means 107 takes in the output of the reference deterioration pattern recalculation determination means 108, determines whether or not the recalculation instruction is ON, and if the recalculation instruction 178 is ON, step 503 If the recalculation command 178 is OFF, the process returns to step 501 and the process of step 501 is repeated.
  • the reference deterioration pattern calculation means 107 sets a deterioration speed setting value used for calculation of the reference deterioration pattern for each operation based on the deterioration speed selection information 168 output from the reference deterioration pattern recalculation determination means 108.
  • the deterioration speed selection information 168 is set with a deterioration speed setting value used for calculating a reference deterioration pattern for each assigned operation.
  • FIG. 6 is a configuration diagram showing an example of the degradation rate selection information 168. As shown in FIG. In FIG. 6, the deterioration speed selection information 168 is composed of an assigned operation 168a and a deterioration speed setting value 168b used for calculation.
  • the assigned operation 168a As in the assigned operation 153a, information such as “1”, “2”, “3”, etc. is recorded as information specifying the operation assigned to the railway vehicle.
  • “normal use” information is recorded as a setting value for selecting the normal deterioration rate, or the deterioration rate for maintaining the deterioration state of the power storage device 101.
  • the setting value when selecting information for “maintaining power storage device deterioration” is recorded.
  • “operation 1” in which the assigned operation 168a is “1” and “operation 3” in which the assigned operation 168a is “3” are normal (deterioration speed setting values for normal use).
  • “operation 2” in which the assigned operation 168a is “2” indicates that power storage device deterioration maintenance (deterioration speed setting value for power storage device deterioration maintenance) is used.
  • the reference deterioration pattern calculation unit 107 performs some operations according to the deterioration speed selection information 168 set by the reference deterioration pattern recalculation determination unit 108 during recalculation (when the recalculation command 178 is ON).
  • the reference deterioration pattern provisional value 157 may be calculated in a state in which the deterioration speed setting value of the vehicle is changed (the deterioration speed setting value of a part of the operation is changed from “for normal use” to “for power storage device deterioration maintenance”). it can.
  • the reference deterioration pattern calculation unit 107 proceeds to step 505 when the processing in step 503 is completed.
  • step 501 If it is determined in step 501 that the calculation start command is ON, the reference deterioration pattern calculation unit 107 initializes deterioration speed selection information (step 504), and deterioration used for calculation of the reference deterioration pattern in all assigned operations.
  • the speed set value 168b is set to “normal use” and the process proceeds to step 505.
  • step 505 the reference deterioration pattern calculation means 107 sets the deterioration state at the latest deterioration state estimation date and time as a starting point (starting point of reference deterioration pattern calculation) based on the power storage device deterioration state 152, and proceeds to step 506.
  • step 506 the reference deterioration pattern calculation means 107 reads the operation related information 154 in FIG. 4, sets the operation and operation date / time assigned based on the operation related information 154, and proceeds to step 507.
  • step 507 the reference deterioration pattern calculation means 107 performs a loop process that repeats the processes of step 508, step 509, and step 510 by the number of operations allocated to the railway vehicle.
  • the reference deterioration pattern calculation means 107 refers to the deterioration speed setting value (deterioration speed) in the operation of the loop being referred to based on the deterioration speed setting value information 153 of FIG. If the deterioration speed selection information 153 in the loop operation being referred to is “normal”, the deterioration speed setting value 153b for normal use is referred to as the deterioration speed setting value in the operation of the loop being referred to, If it is “for storage device deterioration maintenance”, the deterioration rate setting value 153c for storage device deterioration maintenance is referred to as the deterioration rate setting value in the operation of the loop being referred to.
  • the reference deterioration pattern calculation means 107 obtains the deterioration state decrease amount from the starting point by using the deterioration speed set value 153b or 153c referred to in step 508, and is referring to the starting point date and time (deteriorating state estimation date and time).
  • a reference deterioration pattern indicating the amount of deterioration state deterioration) is calculated.
  • the reference deterioration pattern calculation means 107 sets (resets) the final deterioration state and date / time of the reference deterioration pattern as the starting point in the next loop.
  • the reference deterioration pattern in the next loop operation can be calculated from the deterioration state and the date and time when the reference loop operation ends.
  • the reference deterioration pattern calculation unit 107 calculates the power storage device replacement date and time 156 based on the output of the power storage device replacement plan setting unit 106 and the date and time when the reference loop operation ends (the operation calculated from the time required for the reference loop operation). End date and time), and it is determined whether or not the date and time when the operation of the loop being referred to ends (operation end date and time) exceeds the power storage device replacement date and time 156 (step 511). If the replacement date and time 156 has been exceeded, the process proceeds to step 513. If the operation end date and time has not exceeded the power storage device replacement date and time 156, the process returns to step 507 again, and the process proceeds to the next loop. If all the operations assigned to the railway vehicle have been completed, the process goes out of the loop and proceeds to step 512.
  • the reference deterioration pattern calculation means 107 recalculates and sets the operation date and time assuming that the same operation is repeated again after the calculation of the reference deterioration pattern. That is, after the calculation of the reference deterioration pattern so far, the operation date and time is recalculated in order to repeat the same operation combination again. For example, when there are 10 days of assigned operations, the operation dates and times are recalculated so that the same operation can be repeated again from the 11th day.
  • the reference deterioration pattern calculation unit 107 proceeds to step 507 to continue the calculation of the reference deterioration pattern in order to execute the reference deterioration pattern calculation loop again.
  • FIG. 7 is a characteristic diagram showing an example of a reference deterioration pattern calculated as a result of executing the internal processing of the reference deterioration pattern calculation means 107.
  • FIG. 7 shows an example in which three operations are allocated to the railway vehicle and the storage device replacement date and time is reached when the same operation is performed for two laps.
  • the horizontal axis represents time
  • the vertical axis represents the deterioration state (estimated value). In the deterioration state in FIG.
  • the latest deterioration state is the deterioration state 700, and the deterioration state at the time when “operation 1” to “operation 3”, which are the operations of the first lap (time t1 to t2), are finished.
  • a deterioration speed setting value for “operation 1” (for example, a normal deterioration speed setting value) is set starting from a time t1 indicating the estimated date and time (deterioration state estimation date and time) when the latest deterioration state 700 is estimated. Based on 153b), a reference deterioration pattern (starting point reference deterioration pattern) P1 indicating a deterioration state (deterioration state decrease amount) 701 until “operation 1” is completed is created.
  • Calculations for creating the reference deterioration patterns P11, P12, and P13 are executed until the end date and time exceeds the time t3 indicating the power storage device replacement date and time 156.
  • the time t3 indicating the power storage device replacement date and time 156.
  • the end date / time of “operation 3” in the operation on the second lap exceeds the time (power storage device replacement date / time 156) t3
  • the calculation is performed when the same operation is performed for two laps.
  • the reference deterioration pattern P13 is the final reference deterioration pattern at the operation end date and time.
  • the reference deterioration pattern calculation means 107 determines in step 511 that the operation end date / time has exceeded the power storage device replacement date / time 156, the reference deterioration pattern combination (reference deterioration patterns P1, P2) calculated in the processing so far is determined. , P3, P11, P12, P13), and among the reference deterioration patterns belonging to the specified combination of reference deterioration patterns, the deterioration state (deterioration state decrease amount) in the final reference deterioration pattern P13 is determined as the reference deterioration pattern provisional value.
  • the reference deterioration pattern calculation means 107 is the power storage device 101 in the case of driving from the starting point (deterioration state estimation date / time) to the end of operation at which all the operations (operation of one or more combinations) assigned to the railway vehicle are completed.
  • a combination of reference deterioration patterns (reference deterioration patterns P1, P2, P3, P11, P12, and P13) indicating the deterioration state (deterioration state decrease amount) of the above is specified.
  • FIG. 8 is a flowchart showing the internal processing of the reference deterioration pattern recalculation determining means 108. This process is started when the CPU executes a reference deterioration pattern recalculation determination program.
  • the reference deterioration pattern recalculation determination unit 108 compares the reference deterioration pattern provisional value 157 output from the reference deterioration pattern calculation unit 107 with the power storage device replacement reference value 166 output from the power storage device replacement plan setting unit 106, It is determined whether or not the deterioration state in the temporary deterioration pattern value 157 exceeds the power storage device replacement reference value 166 (step 801). If the deterioration state in the temporary deterioration value reference value 157 exceeds the power storage device replacement reference value 166, step 802 is performed. If the deterioration state in the reference deterioration pattern provisional value 157 does not exceed the power storage device replacement reference value 166, the process proceeds to step 803.
  • FIG. 9 is a characteristic diagram showing an example of determination in step 801.
  • FIG. 9A shows a case where the deterioration state in the reference deterioration pattern provisional value 157 is lower than the power storage device replacement reference value 166.
  • the reference deterioration pattern recalculation determination unit 108 determines that the deterioration state of the power storage device 101 cannot be maintained at a value (state) exceeding the power storage device replacement reference value 166 until time t3 that is the power storage device replacement date and time.
  • FIG. 9B shows a case where the deterioration state in the reference deterioration pattern provisional value 157 exceeds the power storage device replacement reference value 166.
  • the reference deterioration pattern recalculation determination unit 108 determines that the deterioration state of the power storage device 101 can be maintained at a value exceeding the power storage device replacement reference value 166 until time t3 of the power storage device replacement date and time.
  • the power storage device replacement reference value 166 in FIG. 9B is set to a level lower than the power storage device replacement reference value 166 in FIG. 9A.
  • the reference deterioration pattern recalculation determination means 108 determines in step 801 that the deterioration state (deterioration state decrease amount) in the reference deterioration pattern provisional value 157 exceeds (exceeds) the power storage device replacement reference value 166.
  • the reference deterioration pattern provisional value 157 is output as the reference deterioration pattern fixed value 158 to the power control means 109 (step 802), and then the processing in this routine is terminated.
  • the reference deterioration pattern recalculation determination unit 108 determines in step 801 that the deterioration state in the reference deterioration pattern provisional value 157 does not exceed the power storage device replacement reference value 166, the reference deterioration pattern calculation unit 107 In order to request recalculation of the reference deterioration pattern provisional value 157, a recalculation command 178 is output to the reference deterioration pattern calculation means 107 (step 803), and the process proceeds to step 804.
  • the reference deterioration pattern recalculation determination unit 108 outputs deterioration rate selection information 168 for suppressing the deterioration rate of the power storage device 101 to the reference deterioration pattern calculation unit 107.
  • the deterioration speed selection information 168 as shown in the example of FIG. 6, it may be set to use a deterioration speed set value for maintaining the deterioration of the power storage device for some operations, or for all operations.
  • the deterioration rate setting value for maintaining the deterioration of the power storage device may be used.
  • a deterioration rate set value for maintaining the deterioration of the power storage device is set to be used in advance for a part of the operation, and the deterioration rate for maintaining the deterioration of the storage device is repeated every time the recalculation of the reference deterioration pattern provisional value 157 is repeated. You may set so that the operation using a set value may increase.
  • FIG. 10 is a characteristic diagram of the reference deterioration pattern provisional value
  • (a) is a characteristic diagram of the reference deterioration pattern provisional value 157 that has not been recalculated
  • (b) is a graph after recalculation once.
  • FIG. 10 is a characteristic diagram of a reference pattern provisional value 157.
  • FIG. 10A is a characteristic diagram when the reference deterioration pattern provisional value 157 is not recalculated using the deterioration rate set value 153c for maintaining the deterioration of the power storage device, similarly to FIG. 9A.
  • the deterioration state (deterioration state reduction amount) in the reference deterioration pattern provisional value 157 is lower than the storage device replacement reference value 166, and the deterioration state of the storage device 101 is determined as the storage device replacement reference value until time t3 of the storage device replacement date and time. It is determined that the value exceeding 166 cannot be maintained.
  • FIG. 10B calculates the reference deterioration patterns P21 and P121 in “operation 2” in the first and second laps using the deterioration rate set value 153c for maintaining the deterioration of the power storage device, and the reference deterioration pattern.
  • the reference deterioration patterns belonging to reference deterioration patterns P1, P21, P3, P11, P121, P13
  • the reference deterioration pattern provisional value 157 is restored from the deterioration state (deterioration state decrease amount) of the final reference deterioration pattern P13. It is a characteristic view at the time of calculating. In this case, as shown in FIG.
  • the degradation state of the power storage device 101 can be changed to the power storage device replacement reference value 166 until the time t3 of the power storage device replacement date and time without lowering the level of the power storage device replacement reference value 166. It is determined that the value can be maintained above the value.
  • the deterioration state of the power storage device 101 is a value that exceeds the power storage device replacement reference value 166.
  • a combination of reference deterioration patterns that can be maintained in accordance with operation can be set.
  • the reference deterioration pattern recalculation determination unit 108 serves as a deterioration state determination unit that determines the deterioration state of the power storage device 101 based on a combination of one or more reference deterioration patterns output from the reference deterioration pattern calculation unit 107.
  • the deterioration state determining means is a power storage device at the end of operation when all operations on the power storage device replacement date and time (time t3) are completed based on a combination of one or more reference deterioration patterns based on the output of the reference deterioration pattern calculating means 107.
  • a combination of one or more reference deterioration patterns is output as a reference deterioration pattern fixed value used for charge / discharge power control of the power storage device 101.
  • the deterioration state determination unit determines whether or not the deterioration state decrease amount of the power storage device 101 at the time when the operation ends exceeds the power storage device replacement reference value 166, the deterioration state decrease amount of the power storage device 101 at the time when the operation ends.
  • the reference deterioration pattern provisional value 157 and the power storage device replacement reference value 166 are compared, and the condition that the reference deterioration pattern provisional value 157 exceeds the power storage device replacement reference value 166,
  • the power storage device replacement date and time It is determined that the deterioration state of the power storage device 101 cannot be maintained at a value exceeding the power storage device replacement reference value 166.
  • the deterioration state determination unit determines that the deterioration state of the power storage device 101 cannot be maintained at a value exceeding the power storage device replacement reference value 166 until the storage device replacement date and time
  • the deterioration state determination unit recalculates the reference deterioration pattern calculation unit 107.
  • the reference deterioration pattern calculation unit 107 determines one or more reference deterioration patterns having a deterioration rate setting value different from the reference deterioration pattern belonging to the combination of one or more reference deterioration patterns specified before receiving the recalculation instruction.
  • the combination of one or more reference deterioration patterns that are included is specified again, and the combination of one or more reference deterioration patterns that are specified again is output to the deterioration state determining means.
  • the deterioration state determination means the deterioration state of the power storage device 101 is determined using the combination of one or more reference deterioration patterns specified again, so that the deterioration state of the power storage device 101 is replaced until the power storage device replacement date and time. There is a high possibility that it is determined that the reference value 166 can be maintained at a value exceeding the reference value 166.
  • the deterioration state of the power storage device 101 is maintained at a value exceeding the power storage device replacement reference value 166 by changing the deterioration speed setting value in at least a part of the operation and recalculating the reference deterioration pattern provisional value 157. It is possible to set a combination of possible reference deterioration patterns according to the operation of the railway vehicle.
  • the deterioration speed setting value in at least a part of the operation is changed,
  • a combination of reference deterioration patterns that can maintain the deterioration state of the power storage device 101 at a value exceeding the power storage device replacement reference value 166 is set according to the operation of the railway vehicle. can do.
  • the combination of the set reference deterioration patterns is used by the power control unit 158 for charge / discharge power control of the power storage device 101, so that the power storage device 101 is not limited to charge / discharge power. Can be driven, and the running performance inherent to railway vehicles can be exhibited.
  • Example 2 The power storage device tends to have a slower deterioration rate as the deterioration progresses. Therefore, the reference deterioration pattern can be calculated with higher accuracy by setting an appropriate deterioration speed setting value according to the deterioration state at that time. Therefore, in the second embodiment, an example is shown in which the deterioration rate set value is set according to the deterioration state of the power storage device and the reference deterioration pattern is calculated.
  • FIG. 11 is a configuration diagram illustrating a configuration of a mobile storage device management system according to the second embodiment.
  • the power storage device management system according to the second embodiment uses deterioration rate setting value information 1153 (1153A, 1153B) instead of the deterioration rate setting value information 153 as information output from the deterioration rate setting value database 103.
  • the reference deterioration pattern calculation unit 1107 is used instead of the reference deterioration pattern calculation unit 107, and other configurations are the same as those in the first embodiment, description thereof will be omitted.
  • Example 1 a different part from Example 1 is demonstrated.
  • FIG. 12 is a configuration diagram of the deterioration speed setting value information 1153 in which the deterioration speed setting value for each operation is set according to the deterioration state at each time, and (a) is a normal belonging to the deterioration speed setting value information 1153.
  • FIG. 6B is a configuration diagram of deterioration rate setting value information 1153B for maintaining the deterioration of the power storage device belonging to the deterioration rate setting value information 1153.
  • FIG. 12A the normal deterioration rate set value information 1153A is composed of an assigned operation 1153a1 and a deterioration state 1153a2.
  • the assigned operation 1153a1 information such as “1”, “2”, “3”, etc. is recorded as information specifying the operation assigned to the vehicle (railway vehicle).
  • the deterioration state 1153a2 is divided into a plurality of blocks (“0%”, “10%”, “20%”, etc., And how much deterioration (power storage device) occurs in each block due to the operation of the vehicle.
  • the information of the speed setting value indicating whether or not (deterioration of 101) proceeds is recorded. For example, information on the speed setting value indicating the amount of decrease in capacity maintenance rate per operation (%) is recorded.
  • the assigned operation 1153a1 specifies the operation “1” (“operation 1”)
  • the information “0.3” is recorded in the “0%” block of the deterioration state 1153a2.
  • the information “0.2” is recorded in the “10%” block, and the information “0.15” is recorded in the “20%” block. Since the power storage device 101 has a tendency that the deterioration rate becomes slower as the deterioration progresses, a smaller speed setting value is set as the value (%) of the deterioration state 1153a2 increases.
  • the degradation rate set value information 1153B for maintaining the degradation of the power storage device is composed of an assigned operation 1153b1 and a degradation state 1153b2.
  • the assigned operation 1153b1 information such as “1”, “2”, “3”, etc. is recorded as information specifying the operation assigned to the vehicle.
  • the deterioration state 1153b2 is divided into a plurality of blocks (“0%”, “10%”, “20%”, etc., And each block is deteriorated by how much the vehicle is operating (power storage device).
  • the information of the speed setting value indicating whether or not (deterioration of 101) proceeds is recorded. For example, information on the speed setting value indicating the amount of decrease in capacity maintenance rate per operation (%) is recorded.
  • the assigned operation 1153b1 specifies the operation “1” (“operation 1”)
  • the information “0.2” is recorded in the “0%” block of the deterioration state 1153b2.
  • information “0.1” is recorded in the “10%” block
  • information “0.05” is recorded in the “20%” block. Since the power storage device 101 has a tendency that the deterioration speed becomes slower as the deterioration progresses, a smaller speed setting value is set as the value (%) of the deterioration state 1153b2 increases.
  • the deterioration speed setting value for each operation may be created from the result of a train operation simulation or the like, or may be created from an actual measurement value when a driver who performs an exemplary driving operation drives.
  • FIG. 13 is a flowchart illustrating the internal processing of the reference deterioration pattern calculation unit 1107 according to the second embodiment.
  • steps 1301 to 1307 are the same as steps 501 to 507 in FIG. 5
  • steps 1309 to 1313 are the same as steps 509 to 5137 in FIG. 5.
  • the process of step 1308 will be described.
  • the reference deterioration pattern calculation means stage 1107 determines the deterioration rate from the operation of the reference loop and the final deterioration state of the reference deterioration pattern calculated in the previous loop based on the deterioration rate set value information 1153.
  • the setting value if the deterioration speed selection information 1153 in the operation of the loop being referred to is the normal deterioration speed selection information 1153A, the final deterioration of the reference deterioration pattern calculated in the previous loop is selected from the deterioration states 1153a2.
  • the degradation rate setting value corresponding to the condition. For example, if the deterioration state in “operation 1” is “10%”, “0.2” is referred to as the deterioration speed setting value.
  • the deterioration rate selection information 1153 in the operation of the loop being referred to is the deterioration rate selection information 1153B for maintaining the power storage device deterioration
  • the final reference deterioration pattern calculated in the previous loop is selected from the deterioration states 1153b2.
  • the degradation rate setting value corresponding to the particular degradation state For example, if the deterioration state in “operation 1” is “10%”, “0.1” is referred to as the deterioration speed setting value.
  • the reference deterioration pattern calculation unit 107 uses the deterioration speed setting value (deterioration speed setting value specified by the deterioration state 1153 a 2 or 1153 b 2) referred to in step 1308 to calculate the deterioration state decrease amount from the starting point.
  • the reference deterioration pattern from the date and time of the starting point and the time taken to operate the loop being referred to to the date and time when the operation of the loop being referred to ends (operation end date and time) is calculated.
  • the reference deterioration pattern calculation unit 107 deteriorates the power storage device 101 based on the estimation of the deterioration state estimation unit 102 among a plurality of blocks of the deterioration state 1153a2 or 1153b2 belonging to the deterioration speed selection information 1153 (1153A, 1153B).
  • a block corresponding to the estimated state value (%) is selected, and a reference deterioration pattern using the speed setting value set in the selected block is specified as a reference deterioration pattern belonging to a combination of reference deterioration patterns.
  • the combination of the reference deterioration pattern using the appropriate deterioration rate setting value according to the deterioration state of the power storage device 101 is changed to the deterioration state of the power storage device 101.
  • the combination of the reference deterioration patterns that can be maintained at a value that exceeds the power storage device replacement reference value 166 can be specified.
  • the combination of the reference deterioration patterns using the appropriate deterioration rate setting value according to the deterioration state of the power storage device 101 A combination of reference deterioration patterns capable of maintaining the deterioration state of the device 101 at a value exceeding the power storage device replacement reference value 166 can be set according to the operation of the railway vehicle.
  • each power storage device has the configuration of each embodiment.
  • mounting a power storage device for each vehicle can be mentioned.
  • railway vehicles not all vehicles in a train necessarily reach the period of periodic inspection at the same time, and different periodic inspection periods may be planned for each vehicle. Therefore, in this case, it is desirable to have the configuration of the embodiment for each vehicle.
  • a configuration in which a part of the functions is arranged in only one vehicle may be used as long as it can be used.
  • the power storage device management device can be configured to include a power control unit 109 that controls the charge / discharge power of the power storage device 101 using the reference deterioration pattern determined value output from the deterioration state determination unit.
  • the present invention is not limited to the one having all the configurations described in the above embodiments, and includes a configuration in which a part of the configuration is deleted.
  • a part of the configuration according to one embodiment can be added to or replaced with the configuration according to another embodiment.
  • the present invention can be applied to a bus or a garbage truck that travels on a predetermined route at a predetermined time.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne un dispositif de gestion qui comprend : un moyen d'estimation d'état de dégradation qui estime l'état de dégradation d'un dispositif de stockage d'énergie installé dans un corps mobile et transmet des informations d'état de dégradation de dispositif de stockage de puissance qui comportent la date et l'heure d'estimation de dégradation lorsque l'état de dégradation du dispositif de stockage d'énergie a été estimé, ainsi que la valeur d'estimation d'état de dégradation pour le dispositif de stockage d'énergie concernant la date et l'heure d'estimation de dégradation ; un moyen de calcul de motif de dégradation de référence qui effectue une gestion en calculant un motif de dégradation de référence en association avec une ou plusieurs opérations d'assemblage attribuées au corps mobile, le motif de dégradation de référence étant calculé pour chacune des opérations ; et un moyen d'évaluation d'état de dégradation qui évalue l'état de dégradation du dispositif de stockage d'énergie sur la base de la sortie du moyen de calcul de motif de dégradation de référence. Le motif de dégradation de référence indique le changement au fil du temps du degré selon lequel l'état de dégradation du dispositif de stockage d'énergie a diminué lorsque le dispositif est entraîné selon une opération attribuée au corps mobile, le motif de dégradation de référence étant défini sur la base d'au moins une valeur de définition de taux de dégradation et du temps requis pour une opération.
PCT/JP2018/047977 2018-02-09 2018-12-26 Dispositif de gestion et procédé de gestion d'un dispositif de stockage d'énergie d'un corps mobile WO2019155781A1 (fr)

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WO2022070495A1 (fr) * 2020-10-02 2022-04-07 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Procédé de gestion d'exploitation de véhicules, dispositif de gestion d'exploitation de véhicules et programme de gestion d'exploitation de véhicules

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JP2008126788A (ja) * 2006-11-20 2008-06-05 Toyota Motor Corp 車両用電池寿命判定装置及び電池寿命判定システム
JP2015092328A (ja) * 2013-10-04 2015-05-14 株式会社東芝 電動車両の運行管理装置及び運行計画立案方法
JP2017121103A (ja) * 2015-12-28 2017-07-06 株式会社日立製作所 二次電池とナビゲーションシステムを備えたハイブリッド車両制御装置

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Publication number Priority date Publication date Assignee Title
JP2008126788A (ja) * 2006-11-20 2008-06-05 Toyota Motor Corp 車両用電池寿命判定装置及び電池寿命判定システム
JP2015092328A (ja) * 2013-10-04 2015-05-14 株式会社東芝 電動車両の運行管理装置及び運行計画立案方法
JP2017121103A (ja) * 2015-12-28 2017-07-06 株式会社日立製作所 二次電池とナビゲーションシステムを備えたハイブリッド車両制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022070495A1 (fr) * 2020-10-02 2022-04-07 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Procédé de gestion d'exploitation de véhicules, dispositif de gestion d'exploitation de véhicules et programme de gestion d'exploitation de véhicules

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