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Control & Optimisation · MPC · Multivariable

APC Implementation & Maintenance

Advanced Process Control moves a unit to its most profitable constraint and holds it there. Cerasus delivers the whole cycle — benefit study, step testing, model identification, controller build, commissioning — and the maintenance that keeps the benefits from decaying.

2–5 %typical throughput or energy improvement
> 90 %service-factor target we maintain to
MV · CV · DVcontroller structure designed with operations
What it means

APC Implementation & Maintenance, explained.

Model predictive control (MPC) uses a dynamic model of the unit to predict where controlled variables are heading and to move several manipulated variables together, subject to constraints, to keep the process at its limits. It sits above the regulatory (PID) layer and typically delivers 2–5 % capacity or energy improvement.

Benefits decay when models drift, instruments fail or operators lose trust. Maintenance — service factor tracking, model re-identification, tuning and operator engagement — is what keeps APC on.

Delivered with our software
ProcessVisionProcessVision is the Cerasus monitoring and APC analytics platform. CeraTrace is its historian trending and plotting workbench; CeraControl…
See ProcessVision →
What Cerasus provides

Scope of service

Benefit study & pre-test audit

Quantified benefits; base-layer, instrument and analyser readiness.

Step testing

Manual or automated (closed-loop) plant tests with minimum disruption.

Model identification & controller design

MV/CV/DV structure, models, tuning and constraint handling.

Commissioning

Staged turn-on, operator training and benefit verification.

Maintenance & sustainment

Service-factor monitoring, model updates, tuning care, annual health checks.

Platform-independent

Experience across major MPC platforms and open-source alternatives; CeraControl analytics workbench.

How we do it

Our approach, step by step

Assess

Benefit study; base-layer and instrumentation audit.

Test & model

Step tests; identify models; design controller.

Commission

Turn on in stages; train operators; verify benefits.

Sustain

Monitor service factor; re-identify and re-tune as the plant changes.

Standards & references

Codes this service follows

API RP 554 (Parts 1–3)Process control systems — design, functions, project execution
ISA-95 / IEC 62264Levels and integration of control and MES
ISA-101HMI design for APC operator displays
ISA-18.2Alarm interaction with APC
OPC UA / OPC DAController–DCS connectivity
Client APC standardsCompany-specific benefit and service-factor criteria
Deliverables

What you receive

  • Benefit study and readiness report
  • Step-test plan and data
  • Model and controller design document
  • Commissioning report and operator guide
  • Benefit verification report
  • Sustainment plan and service-factor reports
Why Cerasus

Practitioner-led, standards-based

200+ years of cumulative plant experienceA team that has operated major refineries and petrochemical plants, led by a chemical engineer with 35+ years in industry.
Certified leadershipTÜV-certified HAZOP Leader, CCPSC (AIChE/CCPS) and IEC 61508/61511 Functional Safety Engineer.
Global reach, Doha-basedCerasus Technologies QFZ LLC — registered in the Qatar Free Zones, with reach across geographical locations around the world.
Related services

Often scoped together

Request a consultation

Tell us about the unit and the problem.

Send a short brief — plant, service of interest and what you need to achieve — and a Cerasus engineer will respond with a proposed scope and next steps.

Prefer email or phone? sales@cerasus.ai · +974 5506 2743