Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| modules_cyclestats_id | serial | 10 | √ | nextval('modules_testdata_cyclestats_modules_cyclestats_id_seq'::regclass) |
|
|
Unique identifier for the module cycle stats data point. Auto-incremented upon insertion. |
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| module_test_id | int4 | 10 | null |
|
|
Test data that stats are being calculated from. Refers to the module_test_id in modules_test_meta table. |
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| datetime | timestamptz | 35,6 | √ | null |
|
|
Date and time (relative to the timezone set on the cycler computer) at the specific sample time. |
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| unixtime_s | numeric | 0 | √ | null |
|
|
Date and time converted to unix time (also called ‘epoch time’) for the specific sample time. |
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| cycle | int2 | 5 | √ | null |
|
|
Total number of charge/discharge step pairs the schedule file has completed. Can vary depending on the schedule file. |
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| test_time_s | numeric | 0 | √ | null |
|
|
Time elapsed since the start of the test, not counting pauses. |
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| capacity_charge_mah | numeric | 0 | √ | null |
|
|
The cumulative charge put out by the cycler during charge for the current step. |
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| capacity_discharge_mah | numeric | 0 | √ | null |
|
|
The cumulative charge taken in by the cycler during discharge charge for the current step. |
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| coulombic_efficiency | numeric | 0 | √ | null |
|
|
Calculated ratio of discharge capacity to charge capacity for the current step. |
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| total_cycle_chargetime_s | numeric | 0 | √ | null |
|
|
Total time spent charging during the current cycle. |
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| cc_cycle_chargetime_s | numeric | 0 | √ | null |
|
|
Time (in seconds) spent charging during the constant current portion of the current cycle. |
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| cv_cycle_chargetime_s | numeric | 0 | √ | null |
|
|
Time (in seconds) spent charging during the constant voltage portion of the current cycle. |
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| max_temp_charge_c | numeric | 0 | √ | null |
|
|
Maximum temperature (in Celsius) of the module during charge for the current cycle. |
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| max_temp_discharge_c | numeric | 0 | √ | null |
|
|
Maximum temperature (in Celsius) of the module during discharge for the current cycle. |
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| cycler_charge_capacity_mah | numeric | 0 | √ | null |
|
|
The cumulative charge (reported by cycler) put out during charge for the current cycle. |
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| cycler_discharge_capacity_mah | numeric | 0 | √ | null |
|
|
The cumulative charge (reported by cycler) taken in during discharge charge for the current cycle. |
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| cycler_coulombic_efficiency | numeric | 0 | √ | null |
|
|
The coulombic efficiency (reported by cycler) for the current cycle. |
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| cycler_charge_time_s | numeric | 0 | √ | null |
|
|
The total time in seconds (reported by cycler) spent charging during the current cycle. |
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| cycler_discharge_time_s | numeric | 0 | √ | null |
|
|
The total time in seconds (reported by cycler) spent discharging during the current cycle. |
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| cycler_charge_energy_mwh | numeric | 0 | √ | null |
|
|
The cumulative energy (reported by cycler) used during charge for the current cycle. |
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| cycler_discharge_energy_mwh | numeric | 0 | √ | null |
|
|
The cumulative energy (reported by cycler) used during discharge for the current cycle. |
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| cc_capacity_mah | numeric | 0 | √ | null |
|
|
The cumulative charge put out by the cycler during the constant current position of charge for the current cycle. |
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| cv_capacity_mah | numeric | 0 | √ | null |
|
|
The cumulative charge put out by the cycler during the constant voltage position of charge for the current cycle. |
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| max_charge_cellvoltage_delta_mv | numeric | 0 | √ | null |
|
|
The maximum change in voltage of any cell in the module during charge for the current cycle. |
||||
| min_charge_cellvoltage_mv | numeric | 0 | √ | null |
|
|
The minimum voltage of any cell in the module during charge for the current cycle. |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| modules_testdata_cyclestats_pkey | Primary key | Asc | modules_cyclestats_id |
Relationships
Close relationships within degrees of separation
