Chapter 16:
Logistics/Supply Chain Control
Type of Control System:
Open-Loop Systems 
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Closed-Loop Systems 
 | 
  
Modified Control Systems 
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·        
  Common systems for controlling
  logistics activities 
·        
  Important feature human
  invention between the action of comparing actual and desired performance and
  the action to reduce the process error. 
·        
  Flexibility and low initial
  cost 
·        
  Manager can prescribe the type
  of information needed for control, the error tolerance 
 | 
  
·        
  Refers to servomechanisms, regulator and controller 
·        
  The automatic control of inventories is the outstanding
  success to date 
 | 
  
·        
  Manager are reluctant to transfer extensive control of an
  activity  
·        
  Manager may even have a degree of distrust for computers
  and mathematical models. 
·        
  Manager may at times substitute for the decision rules 
·        
  Combination from open-loop and closed –loop. 
 | 
 
Audit; logistics audit is a periodic examination of the
status of logistics activities
Total Function Audit:
o  
Demand 
o  
Customer service
o  
Product characteristics
o  
Logistics costs
Pricing policy; transfer the responsibility and cost of
transportation to the buyers, thus taking decisions on important logistics
costs element out of their own hands.
Freight Bill Audits: Controls of transportation costs, many
firms have found it worthwhile to audit their freight bills. 
Corrective Actions
Minor Adjustment 
 | 
  
Major Replanning 
 | 
  
Contingency Plans 
 | 
 
o   Performance from desired performance will occur and can be anticipated 
o   E.g. the transportation activity of service selection, routing, and
  scheduling will vary over time items of its costs.  
 | 
  
o   Sweeping
  reevaluation of the logistics system. 
o   Major changes
  in logistics environment 
o   Involves a
  recycling through the management planning process 
 | 
  
o   Possibilities
  of dramatic changes in the activity performance level 
 | 
 


