Arthur Ria
151 lines
7.8 KiB
Markdown
151 lines
7.8 KiB
Markdown
---
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title: "Labor Management System (LMS)"
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type: module
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sources:
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- areas/labor_management/index.md
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- areas/labor_management/labor_admin/index.md
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- areas/labor_management/labor_admin/labor_admin_config.md
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- areas/labor_management/labor_admin/labor_admin_start.md
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- areas/labor_management/labor_admin/labor_admin_performance_panel.md
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- areas/labor_management/labor_admin/labor_admin_rf.md
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- areas/labor_management/labor_admin/labor_admin_readjust.md
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- areas/labor_management/labor_admin/labor_view_labor.md
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- areas/labor_management/labor_admin/labor_view_process.md
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- areas/labor_management/labor_user/index.md
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- areas/labor_management/labor_user/labor_user_process.md
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related:
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- concepts/task.md
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- concepts/picking.md
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- concepts/reception.md
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- concepts/shipping.md
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- modules/data-analytics.md
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last_compiled: "2026-04-10"
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---
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# Labor Management System (LMS)
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## Overview
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The Labor Management System (LMS) module records detailed execution data for guided warehouse processes, capturing both actual times and calculating target (engineered standard) times. It enables comparison of actual vs. target performance, enabling identification of inefficiencies, data-driven workforce planning, and continuous improvement.
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**Scope**: manual warehouse guided processes only. Automatic warehouse processes are not measured.
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**Multi-site**: LMS configuration (process activation, activity targets, adjustments) is managed **per warehouse** independently within a multi-site organization.
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## Key capabilities
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- Automatic time capture for all guided warehouse processes (reception, putaway, picking, shipping, replenishment, counting, etc.)
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- Target time calculation based on warehouse layout, equipment configuration, and routing algorithms
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- Individual and team productivity dashboards
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- Activity count control panels (working times and task counts per operator)
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- Optional: real-time countdown display on RFT showing target time for current activity
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- Department and shift-based grouping of measurements
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- Time adjustments: per-activity rules that add seconds based on conditions (load weight, units, packages)
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- Data available for external BI integration
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## Architecture
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### Data model
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```
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Process → Work (one execution of a process by an operator at a specific time)
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└→ Work details (individual activity execution times)
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└→ Work detail adjustments (time adjustments applied to the activity)
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```
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**Process**: A measurable workflow (e.g., "Picking"). Activated or deactivated per warehouse.
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**Activity**: A step within a process (e.g., "PickingPick", "PickingPut"). Has a standard target time and PFD tolerance.
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**Work**: One complete execution of a process by an operator. Records actual start/end times.
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**Work detail**: Actual times for each activity within a work. Retains warehouse configuration at time of execution.
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**Work detail adjustment**: Time additions applied to an activity execution based on configurable conditions.
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### Measured processes (standard set — not customizable without development)
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| Category | Processes |
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|----------|-----------|
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| Inbounds | Supplier receipt, Supplier receipt (identical containers), Blind receipt, Blind receipt (identical containers), Returns receipt, Pre-notified containers receipt |
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| Putaway | Directed movement, Directed movement (complete containers), Movement with task, Location change (ungrouping) |
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| Warehouse management | Replenishment of PDLs, Physical count, Count with task |
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| Shipping | Picking, Shipping, Ungrouping, Ungrouping with PTLs, Truck load, Packaging |
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### Target time calculation
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The LMS uses the following inputs for travel time calculation:
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- **Equipment type parameters**: horizontal speed, vertical speed, horizontal/vertical factors (load weight adjustment), acceleration, vertical behavior, aisle direction respect
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- **Vertical behavior modes**: Return to ground, No return to ground, No return to vectorial ground, Return to ground aisle change, Return to vectorial ground aisle change
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- **Aisle types**: picking aisles (define routes) + minimum distance aisles (shortcuts; LMS only, no effect on other processes)
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Target time = base movement time (from layout + equipment) + activity-specific adjustments
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## Configuration
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### Prerequisites
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1. **Warehouse layout**: shelf positions, aisle dimensions, equipment positions in EasyS/EasyAssistant
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2. **Equipment types**: configure speed, acceleration, vertical behavior per equipment type
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3. **Aisles**: configure picking aisles and minimum-distance aisles (shortcuts)
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4. **Users**: assign department and employee number; assign to shifts
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5. **Shifts**: define number, name, start/end hours, breaks
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6. **Departments**: define department names
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### LMS-specific configuration
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**Processes** (Processes view, Labor Management > Configuration):
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- Activate or deactivate each process per warehouse
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- Cannot add new processes without custom development
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**Activities** (Activities view, Labor Management > Configuration):
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- Per activity per warehouse: target time (seconds), PFD tolerance (% for personal/fatigue/unforeseen time)
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- Cannot add new activities without custom development
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**Time adjustments** (Time adjustments view, Labor Management > Configuration):
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- Filter condition on activity (location, container, carrier, or stock attribute)
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- Optional filter on stock quantity (UoM + min/max quantity)
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- Time per unit (seconds × units moved) and time per package (seconds × packages in activity)
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- Multiple adjustments can apply to same activity execution; each is recorded as a work detail adjustment
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### Start-up calibration
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After initial configuration, a **time-taking start-up** procedure is required:
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1. Run the module in parallel with operations to gather actual vs. target data
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2. Review adjustment panel to identify systematic gaps
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3. Readjust target times and adjustments to match operational reality
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4. After any process changes, run the **Reset time capture** procedure to maintain data quality
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## Operations
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### Admin dashboards (PC — Labor Management menu)
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| View | Content |
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|------|---------|
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| Performance panel | Team and individual productivity indicators: efficiency (actual/target), utilization, performance trends |
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| Activity count panel | Working times and task counts per operator |
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| Works view | Full list of all work executions with times and details |
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| Configuration adjustment panel | Verify target time calibration by comparing expected vs. actual across sampled works |
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### User views (RFT)
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- Optional real-time countdown: while executing an activity, the operator's RFT displays the standard target time as a countdown
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- Enables operators to self-monitor against engineered standards
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- Configurable per process (on/off per warehouse)
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### Operator data structure
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Each work records the warehouse configuration at execution time — changes to target times or adjustments do not retroactively affect recorded works.
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## Errors & troubleshooting
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| Issue | Cause | Resolution |
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|-------|-------|-----------|
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| Target times significantly off | Layout changes in EasyS not reflected in LMS | Run Reset time capture procedure; recalibrate EasyS layout |
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| Activities not recorded | Process deactivated | Activate process in Processes configuration view |
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| Incorrect grouping of data | User department/shift not configured | Configure user organization data in Users view |
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| Travel time calculation errors | Equipment vertical behavior misconfigured | Review equipment type vertical behavior setting in EasyS |
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## Related
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- [[task]] — LMS measures the actual vs. target execution times of warehouse tasks
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- [[picking]] — Picking process is one of the most commonly measured LMS processes
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- [[reception]] — Multiple reception processes (supplier, blind, returns) are measured by LMS
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- [[shipping]] — Shipping, ungrouping, truck load, and packaging processes measured
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- [[data-analytics]] — Data Analytics module provides standard LMS dashboards for BI visualization
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